Alert archive / Kentucky / Flash Flood Warnings in 2009
Flash Flood Warning 20, NWS Paducah, KY
NWS Paducah, KY issued this flash flood warning at May 9, 2009, 12:41 AM CDT for Christian County, Todd County, Trigg County, Kentucky. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 9, 2009, 12:41 AM CDT (05:41 UTC)
- Expired
- May 9, 2009, 3:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Paducah, KY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Christian County, KY, Todd County, KY, Trigg County, KY
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 5.7 hours before the alert went out and 114 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 755 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 1403 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 286 m²/s²
- 0-3 km storm-relative helicity
- 487 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
What forecasters said that day
The local office's own words before this flash flood warning went out, 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 this flash flood warning went out at May 8, 7:14 PM CDT, 5 hours 27 minutes earlier.
Area forecast discussion, May 8, 7:14 PM CDT, 5 hours 27 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PADUCAH KY 714 PM CDT FRI MAY 8 2009 .UPDATE... REVISED AVIATION DISCUSSION FOR 00Z TAFS. && .DISCUSSION... /ISSUED 334 PM CDT FRI MAY 8 2009/ WILL NEED TO BE BRIEF DUE TO ONGOING WEATHER TODAY. DERECHO/BOW ECHO CONVECTIVE SYSTEM THIS MORNING EVOLVED INTO A CLOSED COMMA HEAD ON ITS NORTH END EARLY THIS AFTERNOON...AND PRODUCED WIDESPREAD WIND DAMAGE /POSSIBLE ISOLATED TORNADOES/ OVER A SWATH OF SOUTHEAST MISSOURI AND SOUTHERN ILLINOIS. SYSTEM IS WEAKENING LATE THIS AFTERNOON BUT STILL COULD PRODUCE SOME WIND DAMAGE AS IT MOVES EAST ACROSS SW IN. AREA OF SUBSIDENCE WILL FOLLOW THIS SYSTEM FOR AWHILE THIS EVENING...WITH THE BEST CHC OF SCT SHOWERS DOWN CLOSE TO THE AR/TN BORDERS. SFC COLD FRONT WILL EASE DOWN ACROSS THE REGION TONIGHT...AND SHOULD BE SOUTH OF THE AR/TN BORDERS BY LATE TONIGHT. THIS WILL LIKELY SET THE STAGE FOR A DRY WEEKEND AT MANY LOCATIONS. THE ECMWF/GFS TRY TO BRING SOME LIGHT PRECIP UP INTO SOUTHERN PORTIONS OF THE REGION AT TIMES OVER THE WEEKEND...BUT AM SKEPTICAL OF PRECIPITATION SO FAR NORTH OF THE SURFACE BOUNDARY. DOES NOT LOOK LIKE ANYTHING THAT WOULD CAUSE A MAJOR CHANGE IN WEEKEND PLANS. DRY WEATHER IS STILL FORECAST FOR MOST OF THE AREA MONDAY AND TUESDAY...AS H50 NW FLOW SHOVES HIGH PRESSURE/DRIER AIR SOUTHEAST INTO THE GREAT LAKES. && .AVIATION... A FRONTAL BOUNDARY WILL PASS ACROSS THE REGION TONIGHT. A FEW SHOWERS AND THUNDERSTORMS ARE STILL POSSIBLE THIS EVENING OVER MAINLY WESTERN KENTUCKY...BUT MOST OF THE PRECIPITATION SHOULD REMAIN SOUTH OF THE FORECAST TERMINALS. OTHERWISE...MAINLY VFR CEILINGS AND VISIBILITIES WILL PREVAIL...WITH PATCHY MVFR CELINGS POSSIBLE THIS EVENING. BY SATURDAY...THE FRONT WILL BE SOUTH OF THE REGION...RESULTING IN PREVAILING NORTHWEST WINDS. && .PAH WATCHES/WARNINGS/ADVISORIES... KY...NONE. MO...NONE. IL...NONE. IN...NONE. && MEFFERT/PRESLEY
Hazardous weather outlook, May 8, 3:50 PM CDT, 8 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PADUCAH KY 350 PM CDT FRI MAY 8 2009 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 100-107>112-114-092100- 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- 350 PM CDT FRI MAY 8 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST MISSOURI. .DAY ONE...THIS AFTERNOON AND TONIGHT THUNDERSTORMS ARE POSSIBLE EARLY THIS EVENING GENERALLY SOUTH OF A LINE FROM NEW MADRID TO MURRAY KENTUCKY. SEVERE WEATHER IS NOT EXPECTED AT THIS TIME. MANY AREA RIVERS WILL CONTINUE TO EXPERIENCE MINOR TO MODERATE FLOODING. PLEASE REFER TO THE LATEST FLOOD WARNINGS AND STATEMENTS FOR DETAILS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A CHANCE OF THUNDERSTORMS IS FORECAST FOR TUESDAY NIGHT THROUGH FRIDAY. AT THIS TIME...SEVERE WEATHER AND LOCALLY HEAVY RAINFALL CANNOT BE RULED OUT DURING THIS PERIOD. MANY AREA RIVERS WILL CONTINUE TO EXPERIENCE MINOR TO MODERATE FLOODING. PLEASE REFER TO THE LATEST FLOOD WARNINGS AND STATEMENTS FOR DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. JAP
In the hours before
Local storm report, May 8, 11:43 PM CDT, 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE
1143 PM CDT FRI MAY 08 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1131 PM FLASH FLOOD DONIPHAN 36.62N 90.82W
05/08/2009 RIPLEY MO EMERGENCY MNGR
REPORTS OF FLASH FLOODING IN DONIPHAN RESULTING IN
EVACUATIONS OF PEOPLE RESIDING IN LOW LYING AREAS.
&&
JAYSONWLocal storm report, May 9, 12:08 AM CDT, 33 minutes before
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</html>The office that day
Everything else NWS Paducah, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 9:35 PM CDT | River Flood Warning | PAH | Livingston | 9 days |
| May 8, 11:30 PM CDT | Flash Flood Warning | PAH | Carlisle, Christian, Graves, Lyon, Marshall, Trigg | 3 hr |
| May 9, 2:28 AM CDT | Flash Flood Warning | PAH | Calloway, Carlisle, Christian, Graves, Lyon, Marshall and 1 more | 6 hr |
| May 9, 3:44 AM CDT | Flash Flood Warning | PAH | Christian, Todd, Trigg | 6 hr |
| May 9, 9:29 AM CDT | River Flood Warning | PAH | McLean, Webster | 6 days |
| May 9, 9:33 AM CDT | River Flood Warning | PAH | Crittenden, Livingston | 9 days |
| May 9, 7:26 AM CDT | River Flood Warning | PAH | Gallatin, Wayne, White | 22 days |
| May 9, 9:24 AM CDT | River Flood Warning | PAH | Franklin, Williamson | 15 days |
| May 8, 9:38 PM CDT | Severe Thunderstorm Warning | PAH | Butler, Ripley | 52 min |
| May 8, 10:39 PM CDT | Flash Flood Warning | PAH | Butler, Ripley | 3 hr |
Nearby
Flash Flood Warnings in Kentucky, 2009Every flash flood warning in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.