UW-Madison CIMSS @UWCIMSS Twitter profile

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@davidrfoote

UW-Madison CIMSS

@UWCIMSS

3 months

The G5 #AuroraBorealis from space last night at 2am CDT. So incredibly bright and wide blanketing all of Canada and several U.S. northern tier states. Absolutely amazing. #WIwx #MIwx #OHwx #PAwx #NYwx #VTwx #NHwx #MAwx More satellite views of this event at

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UW-Madison CIMSS

@UWCIMSS

7 years

The huge eye of Category 5 Hurricane #Irma completely engulfed the island of Barbuda last night, captured by the Suomi NPP #VIIRS overpass.

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UW-Madison CIMSS

@UWCIMSS

2 years

Air Mass RGB images from @NOAASatellites #GOES17 / #GOESwest showed the Hurricane Force low moving toward the US West Coast:

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UW-Madison CIMSS

@UWCIMSS

2 years

2.5-minute rapid scan #Himawari8 Infrared images showing Super Typhoon #Hinnamnor as it reached Category 5 intensity while approaching the island of Minamidaitōjima, Japan (station identifier ROMD):

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UW-Madison CIMSS

@UWCIMSS

3 years

This is the #volcano eruption near #Tonga that has prompted a #Tsunami Advisory for the U.S. West Coast and #Hawaii . It occurred at 0410 UTC today, 1/15/22, and could be heard across the South Pacific and as far away as Alaska.

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UW-Madison CIMSS

@UWCIMSS

1 year

A severe G4 geomagnetic storm brought #AuroraBorealis activity to lower than usual latitudes overnight resulting in rare sightings of the #NorthernLights from several U.S. states. Here are two views of the glorious event as seen from space by the @JPSSProgram satellite fleet.

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UW-Madison CIMSS

@UWCIMSS

4 years

Here's another look at #Hawaii 's close call with Hurricane #Douglas via storm-centered Morphed Integrated Microwave Imagery at CIMSS (MIMIC-TC). More #HIwx #HurricaneDouglas info & imagery at

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UW-Madison CIMSS

@UWCIMSS

3 months

Leigh Orf's computer simulation of the 2011 El Reno EF5 multiple vortex tornado bears a striking resemblance to drone footage of the #Greenfield Iowa tornado. See the high resolution version of Orf's work at #IAwx

Reed Timmer, PhD

@ReedTimmerUSA

3 months

Check out this whip-like vortex in the #tornado south of Greenfield, Iowa with @theScantman on the controls. Full 4K video is on YT WATCH:

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UW-Madison CIMSS

@UWCIMSS

4 months

Here's a unique view of the April 8th #TotalSolarEclipse via 21 #GOESEast images. A special enhancement was applied to each image to enhance the outline of the Moon’s shadow. And wasn't it great that there were so few clouds along the path? More details at

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UW-Madison CIMSS

@UWCIMSS

3 years

Shazam! This is what a G3 Geomagnetic Storm looks like from space when a coronal mass ejection (CME) from the Sun makes a direct hit with Earth. Enjoy these #VIIRS views of last nights #AuroraBorealis acquired by the #Suomi -NPP and #NOAA20 satellites.

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UW-Madison CIMSS

@UWCIMSS

1 year

In what could be good timing for #Guam , an eyewall replacement cycle has resulted in significant structural deterioration in Typhoon #Mawar over the past 4 hours.

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UW-Madison CIMSS

@UWCIMSS

2 years

Millions of #Florida residents are without power in the wake of Hurricane #Ian as evident from nighttime imagery from #NOAA20 . Some clouds blur remaining lights in the 9/29 image (l) but it's a significant difference compared to 4 nights ago (r). #FLwx

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UW-Madison CIMSS

@UWCIMSS

1 year

This awesome looking atmospheric swirl is delivering heavy rains and mountain snow to Oregon and California. A truly mesmerizing #GOESWest water vapor view of a powerful #BombCyclone Pacific storm impacting the U.S. west coast. #ORwx #CAwx

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UW-Madison CIMSS

@UWCIMSS

1 year

The #GOESEast view of Hurricanes #Idalia and #Franklin spinning in such close proximity today is truly remarkable.

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UW-Madison CIMSS

@UWCIMSS

1 month

Hurricane #Beryl 's trek from the Windward Islands to the Yucatan Peninsula via Morphed Integrated Microwave Imagery at CIMSS (MIMIC). Follow along to Texas via

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UW-Madison CIMSS

@UWCIMSS

2 months

NOAA's Hurricane Hunters flew around and inside the eye of Category 5 Hurricane #Beryl on Tuesday July 2nd to collect data for forecasting and research. Can you imagine doing this for your job??? We all benefit. Visit for the latest on #HurricaneBeryl .

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UW-Madison CIMSS

@UWCIMSS

1 year

2.5-minute Target Sector @JMA_kishou #Himawari9 Infrared images of #SuperTyphoonMawar as it maintained Category 5 intensity during an eyewall replacement cycle:

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UW-Madison CIMSS

@UWCIMSS

2 years

#LakeSuperior was adorned by rows of cumulus clouds today radiating out around the periphery of the shoreline pushed back by cool lake breezes, as captured by the #NOAA20 afternoon overpass.

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UW-Madison CIMSS

@UWCIMSS

6 years

Follow the (terrifying) track of American Airlines Flight 1897 dodging destructive hail storms before a forced landing at El Paso #Texas on June 4th. Path mapped on #GOESEast / #GOES16 imagery by @UWSSEC colleague Rick Kohrs. #AA1897

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UW-Madison CIMSS

@UWCIMSS

1 year

Here is the big picture view of Canadian wildfire #smoke today followed by 2 zooms. The first two segments depict vertically integrated smoke - much of which is aloft. The last loop depicts near surface smoke, which impacts #AirQuality and human health.

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UW-Madison CIMSS

@UWCIMSS

4 years

Too good not to share. #GOESWest #GOES17

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UW-Madison CIMSS

@UWCIMSS

4 months

The path of the 2024 #TotalSolarEclipse was wider than 2017, providing longer totality. Here is a visual comparison illustrating this difference via similarly enhanced #GOESEast CONUS images for both events. Learn more on the CIMSS Satellite Blog at

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UW-Madison CIMSS

@UWCIMSS

7 years

One of these lakes is not like the others. Hint: no moonlit #lakeeffect clouds. #LakeErie is 79.3% ice covered! Effectively shutting off the #lakeeffect snow machine. Last year at this time it was only 9.5% covered. #ArcticBlast #VIIRS

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UW-Madison CIMSS

@UWCIMSS

1 year

The massive west coast Low is now fully occluded offshore northern California and still a marvel to watch via #GOESWest . Rain and mountain snow is spreading to #SoCal and also making its way to several states further inland, which is good news for many.

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UW-Madison CIMSS

@UWCIMSS

3 years

#GOESWest captured another explosive eruption of #Tonga 's (largely underwater) Hunga Tonga-Hunga Ha'apai #volcano in the south Pacific Ocean earlier today. Note the gravity waves rippling across the top of expanding ash cloud from the powerful ejection.

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UW-Madison CIMSS

@UWCIMSS

1 year

Infrared images from @JMA_kishou #Himawari9 showed that the eye of #SuperTyphoonMawar exhibited a small amount of trochoidal motion (wobble) during the day: More imagery of #Mawar on the CIMSS Satellite Blog:

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UW-Madison CIMSS

@UWCIMSS

3 years

Above-anvil cirrus plumes! Easy to spot via satellite and often precede large hail and damaging tornadoes in supercell thunderstorms. Leigh Orf from CIMSS is providing insights via high-resolution supercomputer simulations. More from @UWMadison News at

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UW-Madison CIMSS

@UWCIMSS

11 months

#GOESEast has been capturing absolutely stunning imagery of Hurricane #Lee today. That cirrus shield though ....

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UW-Madison CIMSS

@UWCIMSS

2 years

2.5-minute rapid scan #Himawari8 Infrared images of Category 4 Super Typhoon #Nanmadol in the West Pacific Ocean (south of Japan):

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UW-Madison CIMSS

@UWCIMSS

7 years

Meteor over #Madison last night! Watch it zoom in near the #Capitol just before midnight. Captured by the web cams on our building, ht @UW_AOS . @UWMadison #WIwx

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UW-Madison CIMSS

@UWCIMSS

1 year

6 hours of 1-minute Mesoscale Sector @NOAASatellites #GOES16 / #GOESeast Infrared images showed Hurricane #Lee reaching Category 5 intensity by 0300 UTC on 08 September:

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UW-Madison CIMSS

@UWCIMSS

1 year

An severe G4 Geomagnetic Storm overnight brought #AuroraBorealis activity to low latitudes enabling rare #NorthernLights views as far south as Madison #WIwx (43° N) and environs. This Day Night Band image shows Aurora shrouding #LakeSuperior and grazing Minneapolis #MNwx (45° N).

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UW-Madison CIMSS

@UWCIMSS

5 years

#Meteor over #Madison #LakeMendota Saturday night! Captured by rooftop cameras on our building at @UWMadison . HT @PTH1 for finding the footage!

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UW-Madison CIMSS

@UWCIMSS

1 year

Hurricane #Hilary exploded over the past 24 hours and is now a huge Category 4 storm with a well-defined eye traveling north, as seen in this #GOESWest 1-minute IR imagery. NHC updates at Visit our #HurricaneHilary dashboard at

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UW-Madison CIMSS

@UWCIMSS

4 years

#NOAA 's HRRR Vertically Integrated Smoke profile from 12Z today shows very few smoke-free U.S. locations with #CaliforniaWildfires smoke wrapping around TS #Genevieve and reaching into Mexico and Canada as well.

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UW-Madison CIMSS

@UWCIMSS

5 years

#GOESEast water vapor imagery is mapping a large dry air mass (orange) & trough (leading edge) that will help keep #HurricaneDorian offshore. Lots of places to get this data, we like @UW_AOS . And yes, Category 4 Hurricane #Dorian is starting to track northward. Fingers crossed.

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UW-Madison CIMSS

@UWCIMSS

5 years

#NOAA20 captured this incredible nighttime scene overnight. Along with the fiery #AuroraBorealis north of the #GreatLakes , note lightning streaks over the ocean and the moonlit storm near #Minneapolis . Uniquely revealed via #VIIRS Day/Night Band. #NorthernLights

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UW-Madison CIMSS

@UWCIMSS

7 years

Here's an awesome #VIIRS view of the lake-effect snow machine. Total white-out for #Michigan , & most locales downwind of the mighty #GreatLakes . #MIwx #PAwx #NYwx

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UW-Madison CIMSS

@UWCIMSS

1 year

The NOAA/CIMSS Volcanic Cloud Monitoring site is tracking the recent #Kamchatka #Volcano eruption in #Russia via Japan's Himawari-9 satellite imagery and the VOLCAT derived Ash Probability product, critical information for aviation safety.

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UW-Madison CIMSS

@UWCIMSS

1 year

This toggle depicts recently observed and model forecast of vertically integrated and near surface #smoke from Canadian wildfires. #AirQuality will be a concern for millions.

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UW-Madison CIMSS

@UWCIMSS

2 years

Hawaii's #Kilauea Volcano is erupting again! This #GOESwest IR zoom sequence shows the intense thermal activity overnight. Updates at #KilaueaErupts #HIwx

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UW-Madison CIMSS

@UWCIMSS

7 years

Incredible #wildfire smoke sweeping coast to coast today. #GOES16 (prelim, non-op) maps dense smoke from #Oregon thru #Montana to #Colorado .

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UW-Madison CIMSS

@UWCIMSS

4 years

The #GreatLakes today via #VIIRS Today. 13% ice covered and steadily increasing as an arctic air mass settles in. Brr...

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UW-Madison CIMSS

@UWCIMSS

6 years

Amazing #AuroraBorealis over the #GreatLakes & environs last night! Uniquely captured by the Day/Night Band in the #VIIRS instrument, flying on 2 satellites. This view is from #NOAA20 . Enjoy!

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UW-Madison CIMSS

@UWCIMSS

7 months

All eyes are on this West Coast storm spreading torrential rains and high winds across the Pacific Northwest. This toggle pairs a #GOESWest Air Mass RGB view of cloud tops with a "look under the hood" via Water Vapor imagery which shows prolific moisture coming onshore. #CAwx

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UW-Madison CIMSS

@UWCIMSS

2 years

Hurricane #Fiona has intensified into a Category 3 storm with a distinct eye emerging in satellite imagery, as seen in this hour-long loop of #GOESEast 1-minute IR and Visible images.

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UW-Madison CIMSS

@UWCIMSS

8 months

Absolutely incredible #AuroraBorealis activity overnight during the geomagnetic storm. #NOAA20 captured this 0741 UTC scene via the VIIRS Day Night Band sensor.

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UW-Madison CIMSS

@UWCIMSS

4 years

A beautiful day for clouds, a fascinating day for dust. From TS #Dolly to puffy #cumulus across the #GreatLakes to thunderstorms in Texas and the Gulf where a plume of Saharan dust streams westward, #GOESeast is having a busy day!

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UW-Madison CIMSS

@UWCIMSS

3 years

Sky on fire! The #AuroraBorealis presented an incredible celestial show overnight to celebrate the arrival of #Spring2021 . Here are 3 views from space. Enjoy!

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UW-Madison CIMSS

@UWCIMSS

6 years

Both #GOESEast ( #GOES16 ) meso-sectors are centered on Hurricane #Michael enabling amazing 30-second imagery of the Category 4 landfall between Mexico Beach & Panama City, #Florida . Here's the IR view, HT @CIMSS_Satellite . Visible imagery landfall at #FLwx

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UW-Madison CIMSS

@UWCIMSS

3 years

There "GOES" 2021! Here's a look back at last year from geostationary orbit, featuring one #GOESEast image for each day of the calendar year in a 1-minute animation. More details on the CIMSS Satellite Blog at

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UW-Madison CIMSS

@UWCIMSS

2 years

This trans-Pacific #AtmosphericRiver is delivering significant rains to the U.S. west coast and much needed drought relief to #California . @NWSBayArea indicates that "it's very likely to be wettest end of year in the Bay Area & north Central Coast since 2005". Bring it! #CAwx

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UW-Madison CIMSS

@UWCIMSS

6 years

Incredible #Himawari8 rapid-scan IR imagery of Super Typhoon #Mangkhut making landfall in the #Philippines (HT @CIMSS_Satellite ). More info, imagery & a longer full res loop on the CIMSS Satellite Blog at

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UW-Madison CIMSS

@UWCIMSS

2 years

The changing of the guard: watch as #GOES18 takes over for #GOES17 in this #GOESWest water vapor loop. Big storm for the first day on the job! And a seamless transition. Great job @NOAASatellites .

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UW-Madison CIMSS

@UWCIMSS

5 years

Happy #Equinox ! These views from #GOESWest & #Himawari8 show Earth's axis oriented perpendicular to the Sun which is why everyone worldwide will experience 12 hours of daylight and 12 hours of darkness today.

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UW-Madison CIMSS

@UWCIMSS

3 years

Per the @NWSSWPC geomagnetic storm watch for the arrival of a solar coronal mass ejection (CME), a very active #AuroraBorealis flowed over North America last night. Here are 3 stunning snapshots from #NOAA20 and #Suomi -NPP. Enjoy! #NorthernLights

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UW-Madison CIMSS

@UWCIMSS

7 years

Enjoy this absolutely stunning #MODIS view of fresh snow & cold air in the SE U.S. Full res at

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UW-Madison CIMSS

@UWCIMSS

1 year

Zooming in on #SuperTyphoonMawar via Himiwari-9 IR imagery. The eyewall replacement cycle (ERC) that commenced east of Guam is complete and #TyphoonMawar has re-intensified into a symmetrical Category 5 #typhoon spinning around a very large round eye.

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UW-Madison CIMSS

@UWCIMSS

7 years

Absolutely stunning from space the day after the storm. #VIIRS #BombCyclone #Blizzard2018

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UW-Madison CIMSS

@UWCIMSS

5 years

Category 4 Cyclone #Kenneth slammed into northern #Mozambique and made landfall. @NOAASatellites indicates that this is the first (& strongest) hurricane-strength storm to impact Mozambique's Cabo Delgado Province.

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UW-Madison CIMSS

@UWCIMSS

4 years

ICYMI- a stunning halo display from Waterford #Wisconsin Monday morning. Freezing fog has resulted in widespread winter beauty this week - morning walks highly recommended! Photo by Donna Jones originally shared by @DerrickHerndon2 , thanks guys! #WIwx #swiwx (Attn: @NWSMilwaukee )

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UW-Madison CIMSS

@UWCIMSS

2 years

This 48-hour loop of Total Precipitable Water (TPW) maps #AtmosphericRiver moisture sweeping down the entire west coast. Note the #PineappleExpress branch flowing from Hawaii. This classic winter weather pattern bringing drought relief to the southwest is good news for everyone.

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UW-Madison CIMSS

@UWCIMSS

1 year

Every satellite overpass captured amazing snapshots of the #AuroraBorealis last night as an expansive #NorthernLights display shimmered down to unusually low latitudes. Here is one view from space via #NOAA20 . More at

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UW-Madison CIMSS

@UWCIMSS

4 months

Infrared images from @JMA_kishou #Himawari9 revealed impressive cloud-top gravity waves associated with an eruption of #Ruang in Indonesia - coldest cloud-top infrared brightness temperatures reached -90ºC (yellow pixels) immediately after eruption onset:

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UW-Madison CIMSS

@UWCIMSS

3 years

The first #AuroraBorealis over North America in 2022. #HappyNewYear !

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UW-Madison CIMSS

@UWCIMSS

2 years

Lake Effect Snow Machine continues in high gear. Stunning via #GOESEast satellite imagery. #GreatLakes

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UW-Madison CIMSS

@UWCIMSS

1 year

2-5-minute Target Sector @JMA_kishou #Himawari9 Visible & Infrared images, +/- 2 hours from #SuperTyphoonMawar reaching Category 5 intensity at 0600 UTC -- showing mesovortices within the eye along with a pronounced "stadium effect" eye geometry:

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UW-Madison CIMSS

@UWCIMSS

6 months

The Solar Ultraviolet Imager ( #SUVI ) on #GOESEast captured a strong (X2.5) solar flare overnight, peaking at 0653 UTC per @NWSSWPC . This view shows the eruption in a wavelength of 304 Angstroms which highlights helium atoms losing electrons.

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UW-Madison CIMSS

@UWCIMSS

3 years

Have you ever seen a tornado and a rainbow in the same scene? @GregMc_wx caught both in northwest #Texas on Friday. Pretty incredible! 🌪️🌈 #TXwx

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UW-Madison CIMSS

@UWCIMSS

2 years

#GOESeast is tracking an impressive mid-latitude cyclone over the North Atlantic Ocean today.

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UW-Madison CIMSS

@UWCIMSS

1 year

#CycloneMocha has made landfall in #Myanmar ’s Rakhine state near Sittwe township with Category 4 force. This loop shows #Mocha 's approach and landfall via Morphed Integrated Microwave Imagery at CIMSS (MIMIC).

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UW-Madison CIMSS

@UWCIMSS

6 years

This monster storm continues it's slow march across the U.S. today with a striking North-South orientation on #GOESeast water vapor (+ slight negative tilt). Astounding & efficient moisture conveyor. #GOES16

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UW-Madison CIMSS

@UWCIMSS

1 year

Another #AtmosphericRiver takes aim at #California . #GOESWest is tracking a wide trans-Pacific flow of atmospheric moisture heading toward the U.S. west coast for the work week. #CAwx

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UW-Madison CIMSS

@UWCIMSS

2 years

This 48-hour recap of Hurricane #Ian via storm-centered microwave imagery maps the diagonal trek across #Florida and northward turn toward South Carolina. #FLwx #GAwx #SCwx #HurricaneIan

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UW-Madison CIMSS

@UWCIMSS

5 months

Looking good California! Vibrant greens alongside snow-covered mountains captured by #NOAA20 this afternoon are truly stunning via high-resolution #VIIRS imagery. It's great to see these #CAwx conditions. Enjoy your sunny #StPatricksDay weekend. 😎☘️

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UW-Madison CIMSS

@UWCIMSS

1 year

The Kīlauea volcano began erupting earlier today and #GOESWest IR has been tracking the intense activity. Updates at #HIwx

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UW-Madison CIMSS

@UWCIMSS

4 years

The cloud structure swirling around #HurricaneEpsilon is truly spectacular via #GOESEast 1-minute imagery this morning, and the good news is that #Epsilon is still forecast to track east of #Bermuda , with the center making its closest approach Thursday afternoon or evening.

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@UWCIMSS

6 years

This powerful storm is producing high winds & dangerous destructive surf for #Hawaii . #HIwx

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@UWCIMSS

4 months

A curious ring of warm water was revealed in southern Lake Michigan Thursday afternoon via #NOAA20 VIIRS derived Lake Surface Temperatures. Can you guess what caused it? Think on this a bit then learn the answer on the CIMSS Satellite Blog at #WIwx #MIwx

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UW-Madison CIMSS

@UWCIMSS

1 year

Category 5 Hurricane #Jova is the most powerful storm on the planet today. This #GOESWest view tracks the pinhole eye and concentric swirl via Infrared and Water Vapor imagery. Pro tip: WV is IR, just at wavelengths that best measure temperatures of water vapor in the atmosphere.

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UW-Madison CIMSS

@UWCIMSS

7 years

Record-setting lake effect snow event at #Erie , Pennsylvania! Perfect fetch documented by #GOES16 1-min imagery (KERI) & the CIMSS Satellite Blog.

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UW-Madison CIMSS

@UWCIMSS

1 year

The #NOAA20 satellite captured this stunning scene overnight leveraging light from the full moon. #Idalia and #Franklin align at nearly the same latitude. Further north wildfire smoke shrouds Lake Superior while the #Auroraborealis competes with light from the #SuperBlueMoon .

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UW-Madison CIMSS

@UWCIMSS

4 years

#GOESWest reveals western U.S. #wildfiresmoke extending hundreds of miles out over the Pacific Ocean today wrapping into a developing low pressure system. Updates from @UW_AOS at

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UW-Madison CIMSS

@UWCIMSS

11 months

Fall colors are ablaze across New England this week, as seen in this toggle comparing VIIRS imagery from September 1st with October 4th. Enjoy! #NYwx #VTwx #NHwx #MEwx #MAwx #CTwx #RIwx

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UW-Madison CIMSS

@UWCIMSS

3 years

The #GOES16 Solar Ultraviolet Imager (SUVI) instrument captured a strong solar flare today, seen here in 2 wavelengths. Pretty cool, er -hot! Get @NWSSWPC SUVI data at @NOAASatellitePA

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UW-Madison CIMSS

@UWCIMSS

5 years

2 tropical cyclones swirling in opposite directions on either side of the equator: #Fani spinning counterclockwise in the N. Hemisphere & #Lorna swirling clockwise in the S. Hemisphere, opposite rotations due to the coriolis effect. Our MARVELous world!

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UW-Madison CIMSS

@UWCIMSS

3 years

Here's the March 12th eruption of Italy's #MtEtna from space via @NASA Worldview and the Terra, Aqua, and #NOAA20 polar-orbiting satellites. Zoom in at

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@UWCIMSS

7 years

#GOES16 has been documenting the fascinating evolution of Hurricane #Maria 's eye & eyewall via rapid-scan imagery today! (prelim, non-op)

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UW-Madison CIMSS

@UWCIMSS

1 year

Good news on Typhoon #Mawar : the powerful storm is now forecast to make a 90-degree turn and stay offshore #Taiwan while weakening, carrying moisture, but not damaging winds, toward Japan. #TyphoonMawar

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UW-Madison CIMSS

@UWCIMSS

11 months

Tropical Storm #Ophelia today via #GOESEast True Color imagery plus Day Cloud Distinction RGB for added insights into the storm structure. Impressive from above via satellite but problematic and possibly dangerous for millions below.

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UW-Madison CIMSS

@UWCIMSS

7 months

#GOESEast captured this classic winter scene of the Northeast U.S. today as clear skies revealed extensive snow cover and cold air generated rows and rows of beautiful cloud streets flowing off the eastern seaboard.

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UW-Madison CIMSS

@UWCIMSS

4 years

WOW - #NOAA20 #VIIRS captured an absolutely incredible #AuroraBorealis display last night! If anyone has a #NorthernLights picture(s) from around 3am CST please share! @TweetAurora @NOAASatellites @NASAEarth

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UW-Madison CIMSS

@UWCIMSS

3 years

The #NOAA20 satellite got a clear view of the #GreatLakes today for this truly stunning winter scene. Can you tell which way the wind is blowing? #lakeeffect #VIIRS #WIwx #MIwx

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UW-Madison CIMSS

@UWCIMSS

7 months

Let's take a moment to thank our dedicated @NWS meteorologists working 24-7 to forecast and monitor all the winter weather impacting the U.S. this week. Be safe everyone - check for your local forecast and travel conditions.

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UW-Madison CIMSS

@UWCIMSS

4 years

While you were sleeping. Three views of the #AuroraBorealis overnight from #VIIRS Day/Night Band. Enjoy!

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UW-Madison CIMSS

@UWCIMSS

1 year

Expect hazy skies across most of the #GreatLakes today due to wildfire #smoke from Quebec and Ontario. Central and southwest Wisconsin, and the greater Chicago area, is under an #AirQuality Advisory due to particulate matter (PM2.5) from the fires.

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@UWCIMSS

3 years

Textbook #PineAppleExpress over the Pacific Ocean today as an #AtmosphericRiver transports tropical moisture from Hawaii to the mainland continuing heavy rains for #WAwx & #ORwx . Worse impacts for western Washington where serious river flooding is expected + threat of landslides.

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UW-Madison CIMSS

@UWCIMSS

6 years

Hurricane #Florence this morning via #GOESEast / #GOES16 Rayleigh Corrected Color from @UW_AOS . A stunning & sobering scene. A #Hurricane Watch is in effect for the entire #NorthCarolina coast. #NCwx

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UW-Madison CIMSS

@UWCIMSS

9 months

Lake-effect clouds and snow - one of the very best attributes of the #GreatLakes Region. Get #GOESEast updates of this glorious scene via

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UW-Madison CIMSS

@UWCIMSS

4 years

Here's a cold air recap of the past week via air temperature at 2 meters above the surface (Monday February 8 through February 15) followed by daily temperature anomaly values for the same period. (HT Climate Reanalyzer) BRRR! The good news? Cold air retreat underway this week.

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