A cluster of thunderstorms developed in a very unstable air mass over east central Missouri and southern Illinois. The storms developed south of a west-southwest to east-northeast oriented boundary, where mixed-layer capes were around 3500 j/kg.
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The episode as NWS PAH wrote it up.
A cluster of thunderstorms developed in a very unstable air mass over east central Missouri and southern Illinois. The storms developed south of a west-southwest to east-northeast oriented boundary, where mixed-layer capes were around 3500 j/kg. Unidirectional westerly flow yielded around 20 knots of deep-layer wind shear, which was sufficient for severe multicells given the strong instability. The storms increased in coverage and intensity as they moved east along the Interstate 64 corridor of southern Illinois. The storms gained sufficient organization to establish a cold pool and associated gust front, which resulted in pockets of wind damage.
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 Jul 7, 1:10 PM CST, 1 hour 35 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PADUCAH KY 210 PM CDT Mon Jul 7 2014 .SHORT TERM...(Tonight through Wednesday night) Issued at 1248 PM CDT MON JUL 7 2014 At this writing, the main front is well to the north of the PAH FA. A prefrontal trof was allowing some low level convergence in the diurnally charged pm airmass, resulting in scattered development of convection across or into portions of our southern tier of counties. This will continue to be something to monitor, though most activity attm appears to be just to our south. The energy in the upper stream will drop the main front into the area tonight-tmrw. This will result in an uptick in pops, esp tmrw, as we peak in the likely cat. SLGT risk svr continues through tmrw evening. The front looks to make its passage thru nearly the entire FA by midnight tmrw nite, if not the entire area. We lingered a slgt chance hedge for the southern tier after midnight, but really believe based on model trending that it will be effectively over by 06Z Wed. Drier/less humid and slightly cooler air comes in its wake, and will be enjoyed for a couple days from the mid week on. .Long Term /Thursday through Monday/... Issued at 210 PM CDT MON JUL 7 2014 The upper level flow pattern will remain unusually amplified for mid summer across the conus. Surface high pressure will pass eastward across the Great Lakes region Thursday...bringing some lower temps and dew points. The high will move off the Atlantic coast by the weekend...causing winds to veer around to the southwest. Temps and dew points will climb again over the weekend. In more detail...dry conditions are expected Thursday into Friday under the influence of high pressure. Temps and dew points will be a few degrees lower than seasonal norms. As the high moves off to the east...temps and dew points will rise a few degrees above seasonal norms for the weekend. There is a slight chance of isolated storms in the very moist and unstable air mass...mainly in the afternoon and evening. The better chance appears to be Sunday as the upper level flow turns more northwest on the fringe of an upper low. Looking ahead to early next week...there is considerable model variability regarding a deep upper vortex over south central Canada. The 12z ecmwf aggressively digs the low southeast into the Great Lakes...while the gfs and its ensemble mean keeps most of the energy penned up in Canada. Will follow a model blend...which ramps up pops along a cold front as it moves into the Lower Ohio Valley Monday. && .AVIATION... Issued at 1248 PM CDT MON JUL 7 2014 Diurnal cu bases in the VFR range continue thru sunset, and pops are isolated enough to preclude their mention at terminals. Overnight will see the main front sag south, and convective chances may impact vicinity mention by tmrw morning. VFR conditions largely anticipated but restrictions to cigs/vsbys will commence with vicinity storms toward/during the planning period and esp just beyond. && .PAH WATCHES/WARNINGS/ADVISORIES... IL...NONE. MO...NONE. IN...NONE. KY...NONE. && Short term/aviation...DH Long term...MY
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PADUCAH KY 503 AM CDT MON JUL 7 2014 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 100-107>112-114-081015- JEFFERSON-WAYNE IL-EDWARDS-WABASH-PERRY IL-FRANKLIN-HAMILTON- WHITE-JACKSON-WILLIAMSON-SALINE-GALLATIN-UNION IL-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- 503 AM CDT MON JUL 7 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST MISSOURI. .DAY ONE...TODAY AND TONIGHT THE STORM PREDICTION CENTER HAS OUTLOOKED ENTIRE AREA IN A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT. DAMAGING WIND GUSTS AND HAIL WOULD BE THE MAIN HAZARDS. SOME STORMS WILL ALSO PRODUCE LOCALLY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THERE IS A RISK OF SEVERE THUNDERSTORMS TUESDAY AFTERNOON AND TUESDAY NIGHT OVER THE ENTIRE REGION AS A COLD FRONT APPROACHES FROM THE NORTH. ALTHOUGH DAMAGING WIND GUSTS AND LARGE HAIL WILL BE THE MAIN STORM HAZARDS...AN ISOLATED TORNADO OR TWO CANNOT BE RULED OUT. SOME STORMS WILL ALSO PRODUCE LOCALLY HEAVY RAINFALL. A SMALL CHANCE OF THUNDERSTORMS RETURNS TO THE FORECAST NEXT WEEKEND. AT THIS TIME...THE CHANCE FOR SEVERE STORMS APPEARS LOW. .SPOTTER INFORMATION STATEMENT...
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PADUCAH KY 319 PM CDT MON JUL 7 2014 ILZ075>078-INZ081-085-072145- EDWARDS IL-GIBSON IN-JEFFERSON IL-POSEY IN-WABASH IL-WAYNE IL- 319 PM CDT MON JUL 7 2014 ...SIGNIFICANT WEATHER ADVISORY FOR WAYNE AND JEFFERSON COUNTIES IN SOUTH CENTRAL ILLINOIS...AND EDWARDS AND WABASH COUNTIES IN SOUTHEAST ILLINOIS...AND EXTREME WESTERN GIBSON AND EXTREME NORTHWESTERN POSEY COUNTIES IN SOUTHWEST INDIANA UNTIL 445 PM CDT... AT 317 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS 6 MILES EAST OF SALEM...MOVING EAST AT 40 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. 48 MPH WINDS WERE REPORTED AS THESE STORMS JUST MOVED THROUGH TONTI IN MARION COUNTY ILLINOIS. LOCATIONS THAT MAY BE IMPACTED INCLUDE... MOUNT VERNON...FAIRFIELD...ALBION...BLUFORD...WAYNE CITY...CISNE... WEST SALEM...LANCASTER...WALTONVILLE...BELLE RIVE...KEENES... JOHNSONVILLE...SIMS...JEFFERSONVILLE...MOUNT ERIE...GOLDEN GATE... BONE GAP...BROWNS...BELLMONT AND KEENSBURG. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
342 PM CDT MON JUL 07 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0340 PM HAIL 5 NW WAYNE CITY 38.40N 88.65W
07/07/2014 M1.00 INCH WAYNE IL TRAINED SPOTTER
&&
K .SMITHPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
343 PM CDT MON JUL 07 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0340 PM TSTM WND GST 5 NW WAYNE CITY 38.40N 88.65W
07/07/2014 M64 MPH WAYNE IL TRAINED SPOTTER
MEASURED FROM PORTABLE ANEMOMETER.
&&
K .SMITHThe Evansville,IN radar (KVWX), 82 km away, was scanning. The volume nearest the first event began at 20:46 UTC.
3 thunderstorm wind, 1 hail. Local standard time, as filed.
A wind gust to 64 mph was measured with a portable anemometer several miles northwest of Wayne City. West of Fairfield, trees were uprooted and power lines were down in a concentrated area along Illinois Route 15.
Power lines were blown down in the city.
Numerous trees were blown down in Albion. At least eight trees were blown down on the south side of Albion. The trees ranged from one to three feet in diameter. One tree fell in a pool. Power lines were blown down. A very large tree fell into a home, producing significant damage. Another tree landed on a car.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2014Every state in 2014This day in weather historyWarnings in Illinois, July 2014
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: 525731, 525730, 525732, 525734.