A persistent, weak 500 mb trough axis extending from northeast to southwest along the Ohio River Valley helped trigger more slow-moving thunderstorms.
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The episode as NWS PAH wrote it up.
A persistent, weak 500 mb trough axis extending from northeast to southwest along the Ohio River Valley helped trigger more slow-moving thunderstorms.
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 Jun 25, 1:00 AM CST, 8 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PADUCAH KY 200 AM CDT MON JUN 25 2007 .DISCUSSION... CURRENT PACKAGE IN GOOD SHAPE. ONLY A FEW TWEAKS NECESSARY. MAIN CHALLENGE...AT LEAST IN THE SHORT TERM...IS WHERE ITS GOING TO RAIN THROUGH MIDWEEK. CONVECTION FIRING ALONG AXIS OF ELEVATED INSTABILITY SHOULD CONTINUE TO WEAKEN. THAT SHOULD BE THE END OF IT TONIGHT BUT WITH UPPER LOW AND WEAK SFC CONVERGENCE IN THE VICINITY...MAY SEE SOME WIDELY SCATTERED DEVELOPMENT BEFORE MORNING. ENERGY ROTATING OUT OF A HUGE LOW CENTERED OFF THE NORTHWEST COAST OF THE US WILL REMAIN NORTH AND WEST OF THE REGION THROUGH THE MIDDLE OF THE UPCOMING WORK WEEK AS A WEAK/FLAT RIDGE PERSISTS OVER THE WESTERN HALF OF THE US. THE LATTER HALF OF THE WEEK...A HUGE VORTEX DIGGING SOUTHEASTWARD ACROSS SOUTHEAST CANADA WILL PUMP UP THE WESTERN RIDGE AND PUT OUR CWA ON THE SOUTHWESTERN FRINGES OF NORTHWEST FLOW ALOFT. IN THE MEANTIME...THE ONGOING LOW FLOW PATTERN WILL CONTINUE A BIT LONGER. UPPER TROUGHING...PLENTY OF LOW LEVEL MOISTURE...AND WHATS LEFT OF A SURFACE TROF WILL REMAIN OVER THE AREA THROUGH TONIGHT. THIS COMBINATION WILL PRODUCE THE SAME RESULTS AS THE PAST COUPLE OF DAYS. SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE JUST ABOUT ANYWHERE TODAY. ETA MOS POPS SEEM TOO HIGH AND GFS TOO LOW...SO BASICALLY SPLIT THE DIFFERENCE. SINCE MOST OF THE CONVECTION WILL BE DIURNAL IN NATURE...LOWERED POPS AT NIGHT. ON TUESDAY THE WEAK UPPER LOW WASHES OUT WITH H5 HEIGHTS RISING EVER SO SLIGHTLY AS RIDGE OVER THE MID ATLANTIC SEABOARD BUILDS A TAD WESTWARD. THIS WILL SERVE TO LOWER THE CHANCES FOR PRECIP OVER THE EASTERN SECTIONS OF THE CWA WITH THE BEST CHANCES OVER THE WESTERN SECTIONS. POP/WX/QPF GRIDS REFLECT THIS TUESDAY AND WEDNESDAY. GIVEN THE WEAK RIDGING...KEPT IT DRY TUESDAY NIGHT...BUT WENT WITH 14 POPS. WEDNESDAY NIGHT THE RIDGING WILL BE PUSHED SOUTHWARD AS THE FLOW ALOFT BECOMES NORTHWEST...AS MENTIONED ABOVE. THIS WILL SERVE TO PUSH A COLD FRONT ACROSS THE CWA THURSDAY NIGHT INTO FRIDAY. HOWEVER...WILL MAKE NO CHANGES BEYOND 6TH PERIOD. FOR TEMPERATURES...SPLIT THE DIFFERENCE BETWEEN ETA AND GFS MOS BUT LEANED SLIGHTLY TOWARD THE COOLER ETA NUMBERS. && .AVIATION... SOME LINGERING SHOWERS AND ISOLATED THUNDERSTORMS WILL BE POSSIBLE THE REST OF THE OVERNIGHT HOURS...BUT SHOULD BE DISSIPATING BY AROUND SUNRISE MONDAY. AFTER THAT...SOME MVFR FOG WILL BE POSSIBLE DUE TO ALL THE RAIN AND CALM WINDS. CEILINGS SHOULD BE VFR AS WELL. CHANCES FOR CONVECTION WILL ONCE AGAIN ENTER THE FORECAST BY MONDAY AFTERNOON...BUT CANNOT RULE OUT SOMETHING DURING THE MORNING HOURS. HOWEVER THE BEST CHANCES SHOULD ARRIVE WITH THE HEAT OF THE DAY. ANY OF THE THUNDERSTORMS THAT FORM WILL OBVIOUSLY BRING LOWER VSBYS AND CEILINGS AND POSSIBLE GUSTY WINDS TO 30 KTS. && .PAH WATCHES/WARNINGS/ADVISORIES... KY...NONE. MO...NONE. IL...NONE. IN...NONE. && PUBLIC/FIRE WEATHER...JAP AVIATION...CW
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PADUCAH KY 323 AM CDT MON JUN 25 2007 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 100-107>112-114-260830- 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- 323 AM CDT MON JUN 25 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST MISSOURI. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS WILL BE POSSIBLE AGAIN TODAY AND TONIGHT. THERE IS A SMALL RISK OF ISOLATED SEVERE STORMS. HOWEVER...MOST THUNDERSTORMS SHOULD REMAIN BELOW SEVERE LEVELS. HAIL AND DAMAGING WINDS WOULD BE THE PRIMARY HAZARDS...WITH TORRENTIAL RAIN AS A SECONDARY HAZARD. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THUNDERSTORMS ARE POSSIBLE EACH DAY THROUGH FRIDAY. A FEW STORMS MAY APPROACH SEVERE LIMITS...MAINLY DURING THE PEAK HEATING HOURS OF THE DAY. THE MAIN HAZARDS WOULD BE DAMAGING WIND GUSTS...HAIL ...AND TORRENTIAL RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. HOWEVER...THE RELAY OF ANY ISOLATED REPORTS OF SEVERE WEATHER IS ENCOURAGED. JAP
The national radar mosaic for the moment the first event began.
1 heavy rain. Local standard time, as filed.
Street flooding occurred due to heavy thunderstorm rains. Along one section of Illinois Route 13, water was up to the bumpers of cars. More than three-quarters of an inch of rain fell within an hour.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2007Every state in 2007This day in weather historyWarnings in Illinois, June 2007
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: 37967.