We're extremely excited to announce that the 𝗧𝗗𝗦 𝗪𝗲𝗮𝘁𝗵𝗲𝗿 𝗺𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽 𝗶𝘀 𝗻𝗼𝘄 𝗟𝗜𝗩𝗘 in the App Store and will be available on Google Play in the next few days!
The TDS Weather mobile app features:
📍 Location-based watches and warnings
🧍 Push alerts from
Absolutely devastating images coming out of Woodridge, Naperville, and Darien, IL this morning after last night’s wedge tornado hit the highly-populated area. Several large fires and injuries reported. Search and rescue underway. Preliminary data suggests EF-3 damage.
#ILwx
Absolutely INCREDIBLE video from the cockpit of Hurricane Hunter aircraft tonight in Category 5 Major Hurricane Dorian. Frequent lightning with sustained winds of 185mph and gusts to 220mph.
#Dorian
#Bahamas
#Florida
#FLwx
#hurricane
Have you seen the pictures from today’s major volcanic eruption from Mount Sinabung in Indonesia? It’s pyroclastic cloud reached over 23,000 feet high! Scientists say it’s the biggest eruption (vertically) that has ever been observed from this volcano.
#MountSinabung
#Indonesia
*BIG UPDATE-SHARE WITH FAMILY AND FRIENDS!*
Widespread 8-12" snow expected across the region! Winds gusting to 20-30mph-near blizzard criteria- will cause significant blowing/drifting, low visibility, and dangerous to impossible driving conditions.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
HERE WE GO! A major winter storm is LIKELY Fri-Sun. Track of heavy snow needs to be fine-tuned, but confidence is high in significant snowfall along/north of 70. Data indicates 12-18" poss. Check back for updates & share w/ family/friends to prepare!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
*Significant Winter Storm Potential on the Rise!*
We continue to monitor the wknd for a heavy snowfall event. Data has been in fairly good agreement w/ placement of the heaviest swath across Iowa, N Illinois, N Indiana & C Ohio.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#IAwx
#MOWx
#KYwx
Above normal severe weather is expected across the east-central United States this Spring, per analog data and analysis released in our Spring Outlook to clients this week. This is further east than the "typical" hotspot for severe weather during that time frame.
#USwx
#severewx
**LATEST ON THE INCOMING WINTER STORM**
We've delineated the potential for
#BLIZZARD
conditions across northern Illinois, eastern Wisconsin, and much of Michigan Friday into Saturday! Increasing confidence in location of high impacts (blue area). The threats:
🔴 10-14" of snow
⚠ MAJOR WINTER STORM UPDATE
A swath of 15-20" of snow for many locations is now looking LIKELY Wed morning through Fri morning. South, 0.25-0.50" of freezing rain possible. Expect dangerous to impossible driving conditions and power outages!
#INwx
#ILwx
#OHwx
#MIwx
#MOwx
#KYwx
𝙉𝙚𝙬 𝙮𝙚𝙖𝙧, 𝙣𝙚𝙬 𝙥𝙖𝙩𝙩𝙚𝙧𝙣?
Data continues to suggest the North American weather pattern sees significant changes as we head into mid-January and beyond:
✔ Polar Vortex disruption/split
✔ -AO develops and ushers in colder air
✔ Pacific Jet weakens and sinks south
*NEW* Due to the significance of the upcoming winter storm here's a look at our initial snowfall forecast for Sun-Tue. A swath of 8-12" is likely across OH & would easily place
#Cincywx
& Columbus in the top 5-10 biggest 2-day snow storms on record.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
⚠️ A 𝗽𝗼𝘁𝗲𝗻𝘁𝗶𝗮𝗹𝗹𝘆 𝘀𝗶𝗴𝗻𝗶𝗳𝗶𝗰𝗮𝗻𝘁 𝘄𝗶𝗻𝗱 event is shaping up for tomorrow (Monday) across the region! Some uncertainty exists in storm mode and timing, but data has painted a serious concern for a few days. Threats:
🌬️ Damaging winds in excess of 75mph
🌪️ A few
⚠️ We continue to monitor the potential for a SIGNIFICANT winter storm Friday-Saturday! ⚠️
What We Know:
❄️ Several inches of snow possible
💨 45mph winds
🥶 Bitter cold temperatures arrive after
What We DON'T Know:
📌 The exact track of the storm
🔢 Snowfall totals
⏰ Timing
After a short break, a renewed severe weather threat will emerge late weekend into next week from the Great Plains into the Midwest! You can read more about it in this weeks FREE blog!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#severewx
**UPDATE ON ICE FORECAST**
An impactful ice event-- just shy of 𝗜𝗖𝗘 𝗦𝗧𝗢𝗥𝗠 criteria for some-- begins tonight across Missouri and southern Illinois and expands north and east across the Ohio Valley and Lower Great Lakes region Monday through Tuesday morning.
🧊
Since many have asked, here is a look at MODEL data-not a forecast- for the incoming winter storm (NAM, GEM, Euro, GFS). All show good accumulating
#snow
potential, but that will come w/ travel issues. Stay tuned for updates & make sure to follow us!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
It's time to start monitoring Jan 25-26 for a *potentially* significant winter system in the Ohio Valley & Lower Great Lakes region. We've been discussing with clients that the setup looks prime for this time frame, & all global models are on board.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
🌪️We continue to monitor severe weather potential for Tuesday evening into Wednesday morning across the Lower Great Lakes and Ohio Valley region. The Polar and Sub-Tropical Jets will "phase" in this area with wind speeds increasing as they do. Strong wind shear, coupled with
🚨Confidence is climbing for an impactful winter storm Monday night through Wednesday morning!🚨
The best chance for a swath of 6" or more snowfall currently looks to be across northern Missouri, eastern Iowa, stretching to Madison WI and Chicago IL, and into western and
Brittany Wildman in Liberty, Indiana (Union County) shared this video on Facebook of high flood waters swallowing part of Kitchel Road. One of the reasons to not drive through flood waters-you can’t tell if the road is still there!
#INwx
*UPDATED SNOWFALL OUTLOOK* for the winter storm Fri-Sat! Honing in on where the heaviest snow will set up. Data still indicating amounts to 10-15" for some. Here's a preview of some of the latest data. Be sure to share w/ family & friends to prepare!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
A continued westward trend with higher amounts for all has been observed in overnight and morning data. This is a trend gif for the model blend data only at a 10:1 ratio. A widespread area of 6-12" expected across the region, a major winter storm!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
A Polar Vortex split? The latest data suggests for the first time that we see a significant weakening and potential SPLIT of the Polar Vortex the second week of January. At the same time, we see a -AO develop and the pacific jet drop south and weaken. Certainly something to keep
*NEW- PLEASE SHARE*
A Winter Storm Watch has been issued for wdspd 6-9" of snow w/ nearby areas 3-5". Add'l threats: winds to 20-30mph, blowing/drifting snow, low visibility, rates of up to 2"/hr. Driving will be dangerous/impossible for some!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#IAwx
A significant pattern shift is forecast as we head into the new year. Deep troughing moves into the CONUS while blocking develops into the higher latitudes.
This will mean not just colder air moves in, but also a very active pattern. This is a much more conducive pattern for
It’s been a thrill forecasting for a sled dog team and their mushers over the past couple years! From traveling, to training runs, to forecasting Iditarod conditions, we’ve kept them safe and prepared!
@B_Carp01
@TDSwx
The trust is well-earned! TDS Weather has never let us down. Predictions are specific and remarkably early, with any revisions (by which I mean, slight changes to precipitation amounts that were given days in advance) timely. We make better decisions, save money, and are safe!
*Heavy snow potential Wednesday - Thursday!*
Heavy snow will set up across n'rn portions of the region Wed-Thu w/ a sharp cutoff to the south. Wouldn't be shocked to see periods of 1-2" /hr snowfall rates. Stay safe if driving and share w/ friends!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
NEW: A high-impact winter storm will impact the Ohio Valley region Sunday night through Tuesday morning bringing a swath of heavy snowfall, gusty winds, and difficult driving conditions. Exact track may shift a bit in the next 36 hours. Check back!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
We’re keeping a close eye on this time next week, where some wintry mischief looks possible across the lower Great Lakes and Ohio Valley region! A lot of uncertainty remains and confidence is currently low, but the pattern and storm track support snow chances. The lack of a
While data continues to fluctuate, it’s becoming clearer that Ohio will see the greatest impacts from the event, possibly into the thumb of a Michigan (outside of Detroit). Eastern and northwestern Indiana are expected to see medium impacts as well.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
HRRR shows that the DGZ depth tomorrow eve in IN will be 16-18k ft! This is very deep compared to what the normal DGZ is. The DGZ is the area of the atmosphere where snow growth occurs, so the deeper the depth the more growth that occurs. Some big flakes likely!
#INwx
#winter
Our attention is now fully turned to ICE potential for Monday across much of Indiana and Illinois, southern Michigan, and northwestern Ohio. The heaviest freezing rain accumulation looks to set up across Illinois and northern Indiana at this time. We’ll have updates to clients
🚨Increased snow potential in overnight data leads to higher confidence in a swath of 6-10” across the region early Wed thru Thurs! Significant impacts expected-hazardous travel and gusty winds causing blowing/drifting snow, some power outages
#INwx
#ILwx
#OHwx
#MIwx
#MOwx
#snow
The remnants of Beryl will move across the Midwest late Tuesday through early Thursday. This will bring some needed rain into the Ohio Valley region!
#ILwx
#INwx
#OHwx
#MIwx
#WIwx
All new data in this morning supports a snowy look for the next 3-4 days across the Ohio Valley. This snowfall (likely not these exact numbers- data has been too aggressive with snow lately) will come in two waves: Monday night and Wednesday night.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
Confidence is increasing in an icing event Sunday night through Tuesday morning. Impacts will be primarily surface-based (roads and bridges) rather than elevated (power lines and trees). Travel conditions will be slippery!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#ice
Heat builds in BIG time next week across the Midwest/Ag Belt/Great Lakes/Ohio Valley. High temps several days will climb into the 90s to 100+ degrees, with heat indices ("feel like" temps) well over 100. GFS is even more aggressive.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#AGwx
#IAwx
#MNwx
A
#snowy
start to the week incoming! The lake effect machine really cranks up on the back side of this system for major LES accumulations. Nearly all of the region sees *some* snowfall by Tuesday!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#snow
⚠️Tropical Storm
#Beryl
will make its way through the Ohio Valley Tuesday-Thursday morning, bringing with it the threat for flooding rainfall and severe weather. Non-thunderstorm winds may reach 30mph, with isolated damaging wind gusts possible in thunderstorms, as well as a few
A CONFIRMED LARGE AND EXTREMELY DANGEROUS
#TORNADO
IS ON THE GROUND near Rankin, Hoopeston, and Rossville, Illinois approaching the Indiana border. Take shelter immediately!
#ILwx
#INwx
With this weekend's system (mostly) behind us, full attention turns to the once again incredible consistency among models for a widespread winter storm next weekend. Could we see a repeat?
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
A great question we were asked tonight- what does an "isolated" or "widely scattered" rain chance mean? Here's an image depicting rain chance verbiage and what coverage is associated with it!
⚠️Update on impactful winter storm Wed-Thu: Data continues to be in relatively good agreement for accumulating snowfall across the Ohio Valley, w/ potential for heavier
#snow
from
#StLouis
to
#Indy
to
#Cleveland
. Details need fine-tuned over next few days.
#INwx
#ILwx
#OHwx
#MIwx
We remain very well on track for the biggest Feb snow in 37 yrs in
#Indy
! Wdspd 8-12" expected across the region, w/ major impacts. Wind gusts to 25-30mph causing blowing/drifting, snow rates of 1-1.5"/hr, & difficult to impossible driving conditions
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
MAJOR winter storm moves in tonight through Tuesday morning. Snowfall amounts continue to increase this afternoon. We’ll have an updated map out soon! Will easily make it into the top 5-10 February winter storms on record for many to the south.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
We've mentioned multiple times that we're extremely concerned for widespread flooding Friday through early next week. Here's why: model BLEND data even suggesting widespread 6-9" of rainfall across the region. Make sure those sump pumps are working!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
*OFFICIAL SNOWFALL FORECAST* Here is our official snow forecast issued to clients at ! Expected hazards:
-Heavy snow to 8-12"
-Rates 1-1.5"/hr
-Ice 0.05-0.15"
-Blizzard-like conditions Sat
-Wind gusts 30-40mph
-Blowing/drifting
-Downed limbs/ lines
-Low vis
One concerning factor about this weekend’s storm that we didn’t deal with last weekend: high winds. On top of significant snowfall amounts, we’re monitoring gusty winds of 30-40mph. Borderline
#blizzard
criteria.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
Accumulating snowfall potential Monday for the Ohio Valley and into the lower Great Lakes region! We're currently favoring a Euro/UKMET blend with a slightly more southerly solution than the GFS/GEM.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
⚠️ We're still eyeing a significant winter storm Friday-Saturday with numerous impacts to portions of the region:
✅ Several inches of snow
✅ 45+ mph winds (
#BLIZZARD
conditions possible)
✅ Blowing and drifting snowfall
✅ Low visibility
✅ Flash freeze Friday night
✅
MULTIPLE CONFIRMED
#TORNADOES
on the ground west of
#Chicago
this evening and heading eastward! Southern two
#tornado
warnings have the observed tornadoes, the northern is radar indicated. Take shelter immediately!
#ILwx
*POTENTIAL HIGHLY-IMPACTUL WINTER STORM SUNDAY THRU TUESDAY NIGHT*
Currently, the highest impacts are most probable across IA, N IL, S WI, N IN, & S MI. Slight changes in temp or track/strength of the low will have sig. impacts on the outcome.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#IAwx
Have you heard about the “Super Blue Blood Moon” that will appear on January 31? Brief explanation: the moon will appear 14% bigger/30% brighter (super), 2nd full moon in January (blue), and a lunar eclipse (blood) all at the same time! An event that hasn’t happened in 150 years!
A large and very strong area of high pressure has built in over the Great Lakes and Ohio Valley region overnight, and will remain in place through early next week. With that, we'll see dry conditions, lots of sunshine, and warming temperatures!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#AGwx
❄️ Our next shot of snowfall isn’t too far away. On Monday, a quick-hitting system looks to bring 1-3” to the region. We’ll continue to monitor trends over the next couple of days and keep you updated.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#snow
An interesting trend in evening data. None of which (so far) phase at the upper levels. Thus, we could see two distinct areas of heavier snow, w/ a "hole" of lighter accum. Not phasing would result in an overall weaker system. Still much to work out.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
Due to the significance of the incoming snowfall, we wanted to share publicly our initial snowfall forecast through Sunday night. A swath of 8-12" of snowfall is likely from Iowa to Michigan, with 12-15" possible in N IN/IL and S MI. Prepare now!
#INwx
#ILwx
#OHwx
#MIwx
Long range data over the next 30-45 days suggests the cold air coming in after this period of mild weather could have some staying power! Many extended range forecasts suggest troughiness builds into the eastern US & remains the last half of February through March.
Obviously
Another record-breaking morning! 108 stations have tied or broken their daily low temperature records, with another 44 that are near it. A few all-time records broken as well./
#USwx
#weather
#Energy
CONFIRMED
#TORNADO
ON THE GROUND near Jefferson moving east at 50mph. The storm also has estimated 70mph straight-line winds. Take shelter immediately!
#WIwx
It's becoming evident that we're looking at a heavy accumulating snow event in the Ohio Valley this Friday-Saturday. The heaviest of the snow will fall across Missouri and the southern half of Illinois. First call amounts come Thurs. afternoon.
#INwx
#ILwx
#OHwx
#MOwx
#MIwx
#WIwx
Updated look at winter storm potential for early next week: data today has shifted east with heaviest snowfall potential, primarily from the Indiana/Ohio border and Michigan east into Pennsylvania. Continuing to monitor trends closely!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#PAwx
#NYwx
🚨 Significant winter storm begins TONIGHT! What to know:
❄️Snow swath of 5-9”
📈Rates up to 1-2” PER HOUR
💨Winds gusting to 25-35mph
🌬️Blowing/drifting
🚗 Difficult/hazardous travel
🔌Power outages possible
⚠️Winter Storm Warnings in place
#INwx
#ILwx
#OHwx
#MIwx
#MOwx
#snow
*UPDATE* Share with family/friends!
We've fine-tuned the area of greatest impact from this system to be across north-central Indiana, where upwards of 4-7" of snow may fall. Winter Weather Advisories have been issued across the region this afternoon
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
Confidence steadily increasing in another high-impact winter storm for this weekend, with nearly identical timing to the last storm. Heavy snowfall amounts looking likely again along with some ice and blowing snow potential. Keep a close eye on this!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
🚨 𝘿𝙀𝙍𝙀𝘾𝙃𝙊 𝘼𝙋𝙋𝙍𝙊𝘼𝘾𝙃𝙄𝙉𝙂 𝘾𝙃𝙄𝘾𝘼𝙂𝙊 with multiple tornadoes currently on the ground! Those in the
#Chicago
metro and southern and western suburbs need to take shelter until the storm passes! Damaging storms will continue into Indiana and Michigan as well.
A line of FIVE
#TORNADO
WARNED storms extends from Saint Louis, Missouri to just south of Springfield, Illinois! At least two confirmed tornadoes. Take shelter immediately!
#ILwx
#MOwx
#STLwx
High-resolution data this afternoon and evening has begun depicting a potential area of moderate snowfall across central and north-central Indiana tomorrow late morning through afternoon. We remain skeptical of this data due to the very marginal 850mb temperatures, but are
We have received several questions about the significant severe weather that occurred Friday evening across north-central Wisconsin. A thread with several pieces of information and pictures to follow.
#WIwx
#Wisconsin
#severewx
Three big fronts/cool downs are currently slated by model data in the next few weeks:
🔵 This weekend
🔵 Next weekend
🔵 Late the following week
Big time 🍂 fall feels 🍁 on the way! Who’s excited?!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#AGwx
All global models (GFS, ECMWF, and GEM) show this similar cutoff low early to mid next week with the possibility for accumulating snow in the Great Lakes and Ohio Valley region. Still plenty of time for this to change, but we're monitoring closely!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
Once again, the new European model ensemble suite comes in with incredible agreement for weekend snowfall, with 100% likelihood of 3"+ snow across a large portion of the region, and also a large swath of 70-100% likelihood of 6"+.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#IAwx
*NEW* Starting Thursday, the National Weather Service will begin issuing Snow Squall Warnings, similar to Severe Thunderstorm Warning polygons. These will be issued when intense snow bursts are possible that may lead to sudden whiteout conditions.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
A Slight Risk for severe weather has been issued for Tuesday across eastern Illinois, most of Indiana, and southwestern Ohio. Isolated to scattered damaging winds and large hail will be possible.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#AGwx
A deep trough will arrive into the Midwest mid-week. This will bring warm air ahead of it & chilly air behind. However, there is also the threat for strong/severe storms across portions of the region. Details will need fine-tuned!
#ILwx
#INwx
#OHwx
#MIwx
#WIwx
We had a fantastic week and weekend forecasting for the 2021 Doty’s Dusty Dog Dryland Race and Festival in northern Wisconsin! The event hosts were great to work with as always, and surprised us with a bib signed by all racers that placed!
Over 1 million now under a
#TORNADO
WARNING in the
#Chicago
metro! Several surrounding tornado warnings as well, with multiple confirmed on the ground. It cannot be understated- take shelter immediately from these tornadic and significant damaging wind storms!
#ILwx
After the next 5 days, we're looking at a very "fun", active pattern. It won't feature prolonged cold, but we don't necessarily need that for shots at wintry precipitation. Warmer air holds more moisture. Check back for updates!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
#snow
#winter
Great news for great views! Recent trends have been toward clearer skies for the Total Solar Eclipse on Monday, with highs in the 60s and 70s! The Ohio Valley will be one of the best places to view the event in the country.
#INwx
#ILwx
#OHwx
#KYwx
#MIwx
#MOwx
#TSE
We continue to watch the Mon-Wed system for the Midwest region as heavy snow & strong winds will cause hazardous conditions.
However, the track of the low is still in question. Models have shown more of a north-northwest shift in the low track over the last 12-24 hours. The EPS
A Polar Vortex displacement to North America will bring a prolonged arctic blast to the U.S this weekend through next week. Actual temps in the -teens to -20s, wind chills -20s to -40s, and temps running 30-40° below normal all looking possible!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
Heavy snowfall potential still exists for the Friday-Saturday winter storm. Track/amounts became more uncertain over the past 24 hours as some data phases the system & others don’t. This affects cold air, speed of the system, and timing. Check back.
#INwx
#ILwx
#OHwx
#MIwx
#WIwx
Last night, Cincinnati officially received 9.8” of snowfall. This is an extremely rare occurrence for the area, and the largest snowfall event since March 7-8, 2008. Incredible. Certainly an over-achieving event thanks to a stationary heavy band of snow.
#OHwx
#Cincywx
In the last TWO DECADES, the continental United States has not been as
#drought
-free as we are right now. This is thanks to the record-highest precipitation in recorded history that has occurred over the past year in the central and eastern US.
#OATT
#AGwx
#USwx
⚠️ We have been made aware that a page not associated with ours in any way has stolen a graphic from our latest blog post and has used it to fear monger to get clicks and shares. We want to clarify that in NO WAY are we suggesting the upcoming pattern is expected to produce a
TWO CONFIRMED
#TORNADOES
ON THE GROUND in the western
#Chicago
suburbs near Warrenville, Naperville, Oswego, Bolingbrook, Romeoville, Lockport, Darien, and Lombard, Illinois! Take shelter immediately!
#ILwx
The possibility of a significant winter storm exists for the region late Tue - Thu. Heavy snow & ice threats are looking more probable!
#INwx
#ILwx
#OHwx
#MIwx
#WIwx