A robust dry cold frontal passage brought gusty post-frontal winds through the Evansville Tri-State area overnight on the 4th into the 5th. Winds gusted to around 40 mph near the Wabash River, with gusts of 44mph at Flora (KFOA), 39mph at Olney (KOLY), and 43mph at Vincennes (KLWV).
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The episode as NWS PAH wrote it up.
A robust dry cold frontal passage brought gusty post-frontal winds through the Evansville Tri-State area overnight on the 4th into the 5th. Winds gusted to around 40 mph near the Wabash River, with gusts of 44mph at Flora (KFOA), 39mph at Olney (KOLY), and 43mph at Vincennes (KLWV).
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Paducah, KY wrote its last area forecast discussion before the first event at Dec 4, 10:58 PM CST, 2 minutes earlier. Its key messages:
Area Forecast Discussion...UPDATED National Weather Service Paducah KY 1058 PM CST Wed Dec 4 2024 .KEY MESSAGES... - A cold front moves through tonight, causing wind chill values to plummet into the single digits by Thursday morning. Temperatures will be 20 degrees below normal on Thursday. - Warming trend begins this weekend into early next week, followed by another cold blast in the latter half of the week. - The next storm system brings widespread rainfall Sunday afternoon into Sunday night. Rainfall amounts between 0.75 to 1.50 inches are possible. Rain shower chances may linger through at least Tuesday ahead of the next cold front. && .DISCUSSION... Issued at 209 PM CST Wed Dec 4 2024 Split flow aloft will inhibit any impactful pcpn from impacting the FA this evening as a cold front approaches from the NW. Water vapor imagery now shows a shortwave trough digging into Illinois. At 700 mb, a vort max may provide just enough forcing for ascent to trigger an isolated sprinkle or flurry tonight along I-64, especially into portions of southwest Indiana. Otherwise, gradient winds will remain elevated through tonight with wind gusts up to 30 mph possible as winds shift from SW to NW after fropa. Robust CAA will quickly put an end to the more mild seasonable temps today with minTs tonight plummeting into the lower 20s and even upper teens. Combined with the wind, wind chill values are progged to drop into the single digits by Thursday morning. In fact, maxTs on Thursday will struggle to reach freezing in the upper 20s to low 30s with minTs Thursday night falling well into the mid teens. Kept temps close to the NBM 75th percentile and MOS guidance as the NBM this season has been decoupling the boundary layer too quickly resulting in a cold bias. A 1032-1034 mb sfc high pressure does build into the FA Thursday night causing the pressure gradient to weaken, but does not settle directly over the FA until Friday morning. In the end, temperatures will be 20 degrees below normal. Southerly return flow on the backside of the sfc high pressure quickly causes a warming trend heading into the weekend as 500 mb energy over the SW CONUS eventually ejects across the Plains by Sunday night. Model guidance is in good agreement showing a wave of moisture moving across the FA. Scattered rain showers will begin to increase in coverage by Sunday afternoon before developing into a steady rain Sunday evening into Sunday night as a 60+ kt nocturnal LLJ supports greater moisture transport at 850 mb. From NW to SE, WPC QPF ranges from 0.75 to 1.50 inches, with model ensembles in good agreement in supporting at least up to an inch. Flooding issues are unlikely with stratiform pcpn, as FFG over a 3 hour period remains above 2 inches. As a positively tilted longwave trough digs across the Midwest with another cold front mid-week, forecast confidence becomes lower as there is uncertainty in how quickly a cold front will move through. Previous deterministic model runs have shown a low pressure system developing along a tight baroclinic zone in the vicinity of the FA that would support another round of impactful pcpn. However, the latest 12z runs have trended more progressive and east in line with the ensembles, with the low developing too late to have much of an impact beyond additional scattered rain showers. Something to monitor as another transient cold airmass is looking likely in the latter half of the week. At the very least, daily rain shower chances remain possible through at least Tuesday. && .AVIATION /06Z TAFS THROUGH 06Z FRIDAY/... Issued at 1058 PM CST Wed Dec 4 2024 Cold front is moving into the area this evening. Trends are for the winds to be quite gusty, 25 to 35 kt, behind the front for at least a couple of hours before settling to 22-27kt. More steady winds should persist through the day and into the early part of the evening. VFR cig/visby is expected with just a few clouds occasionally at 2500-3500 ft. && .PAH WATCHES/WARNINGS/ADVISORIES... IL...None. MO...None. IN...None. KY...None. && DISCUSSION...DW AVIATION...JGG
Hazardous Weather Outlook National Weather Service Paducah KY 959 PM CST Wed Dec 4 2024 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-100- 107>112-114-060400- Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton-White- Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-Hardin- Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-Warrick- Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves-Livingston- Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-Union KY-Webster- Hopkins-Christian-Henderson-Daviess-McLean-Muhlenberg-Todd-Perry MO- Bollinger-Cape Girardeau-Wayne MO-Carter-Ripley-Butler-Stoddard- Scott-Mississippi-New Madrid- 959 PM CST Wed Dec 4 2024 /1059 PM EST Wed Dec 4 2024/ This Hazardous Weather Outlook is for southern Illinois, southwest Indiana, western Kentucky and southeast Missouri. .DAY ONE...Today and Tonight. Gusty winds of 35 to 45 mph are expected as a strong cold front moves into the area overnight. Wind chills will drop into the single digits by daybreak. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Wind chill values drop into the single digits across much of the region on Thursday morning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. JGG
Special Weather Statement National Weather Service PADUCAH KY 834 PM CST Wed Dec 4 2024 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 100-107>112-114-050445- Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton- White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope- Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh- Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves- Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell- Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean- Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter- Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid- Including the cities of Mount Vernon, Fairfield, Albion, Mount Carmel, Pinckneyville, West Frankfort, McLeansboro, Carmi, Carbondale, Murphysboro, Herrin, Harrisburg, Shawneetown, Jonesboro, Vienna, Golconda, Elizabethtown, Cairo, Mound City, Metropolis, Fort Branch, Petersburg, Poseyville, Evansville, Boonville, Rockport, Hickman, Clinton, Bardwell, Wickliffe, Paducah, Mayfield, Smithland, Benton, Murray, Marion, Eddyville, Cadiz, Princeton, Morganfield, Dixon, Madisonville, Hopkinsville, Henderson, Owensboro, Calhoun, Greenville, Elkton, Perryville, Marble Hill, Cape Girardeau, Jackson, Piedmont, Van Buren, Doniphan, Poplar Bluff, Bloomfield, Sikeston, Charleston, and New Madrid 834 PM CST Wed Dec 4 2024 /934 PM EST Wed Dec 4 2024/ ...Sharply colder temperatures and gusty winds moving in... A strong cold front will move into the area through the overnight hours. Behind the front a brief period of wind gusts of 35 to 40 mph will be possible. These strong winds will usher in much colder air with overnight lows falling to the upper teens. Wind chills will fall into the single digits for most of the area by daybreak with daytime highs remaining below freezing Thursday. JGG
The national radar mosaic for the moment the first event began.
1 strong wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2024Every state in 2024This day in weather historyWarnings in Illinois, December 2024
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1226399.