Alert archive / Kentucky / Flash Flood Warnings in 2009
Flash Flood Warning 54, NWS Louisville, KY
NWS Louisville, KY issued this flash flood warning at Sep 3, 2009, 4:29 AM CDT for Butler County, Logan County, Ohio County, Kentucky. It was in force for 4 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
- Sep 3, 2009, 4:29 AM CDT (09:29 UTC)
- Expired
- Sep 3, 2009, 8:03 AM CDT
- In force
- 4 hr
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Butler County, KY, Logan County, KY, Ohio County, KY
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 9.5 hours before the alert went out and 118 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
- 613 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 861 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Louisville, KY wrote its last area forecast discussion before this flash flood warning went out at Sep 3, 2:01 AM CDT, 2 hours 28 minutes earlier.
Area forecast discussion, Sep 3, 2:01 AM CDT, 2 hours 28 minutes before
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</html>Hazardous weather outlook, Sep 3, 3:28 AM CDT, 1 hour 1 minute before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LOUISVILLE KY 428 AM EDT THU SEP 3 2009 INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067- 070>078-081-082-040830- ORANGE IN-WASHINGTON IN-SCOTT IN-JEFFERSON IN-DUBOIS IN- CRAWFORD IN-PERRY IN-HARRISON IN-FLOYD IN-CLARK IN-HANCOCK KY- BRECKINRIDGE KY-MEADE KY-OHIO KY-GRAYSON KY-HARDIN KY-BULLITT KY- JEFFERSON KY-OLDHAM KY-TRIMBLE KY-HENRY KY-SHELBY KY-FRANKLIN KY- SCOTT KY-HARRISON KY-SPENCER KY-ANDERSON KY-WOODFORD KY- FAYETTE KY-BOURBON KY-NICHOLAS KY-NELSON KY-WASHINGTON KY- MERCER KY-JESSAMINE KY-CLARK KY-LARUE KY-MARION KY-BOYLE KY- GARRARD KY-MADISON KY-BUTLER KY-EDMONSON KY-HART KY-GREEN KY- TAYLOR KY-CASEY KY-LINCOLN KY-LOGAN KY-WARREN KY-SIMPSON KY- ALLEN KY-BARREN KY-MONROE KY-METCALFE KY-ADAIR KY-RUSSELL KY- CUMBERLAND KY-CLINTON KY- 428 AM EDT THU SEP 3 2009 /328 AM CDT THU SEP 3 2009/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL INDIANA AND CENTRAL KENTUCKY. .DAY ONE...TODAY AND TONIGHT. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY ACROSS SOUTH CENTRAL KENTUCKY...RESULTING IN PERIODS OF HEAVY RAIN. THIS RAIN WILL CAUSE PONDING OF WATER ON ROADWAYS AND SHARP RISES IN DITCHES...CREEKS AND STREAMS. ACROSS THE REST OF CENTRAL KENTUCKY AND SOUTHERN INDIANA...ONLY ISOLATED THUNDERSTORMS ARE FORECAST. LIGHTNING IS A THREAT FROM ANY THUNDERSTORM. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. SCATTERED THUNDERSTORMS MAY DEVELOP SUNDAY THROUGH WEDNESDAY. CLOUD TO GROUND LIGHTNING...GUSTY WINDS AND HEAVY RAIN MAY ACCOMPANY ANY THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT RAPIDLY RISING WATERWAYS AS A RESULT OF EXCESSIVE RAINFALL. DK/JSD
In the hours before
Special weather statement, Sep 3, 3:43 AM CDT, 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 443 AM EDT THU SEP 3 2009 KYZ026-061-070>072-031045- OHIO KY-BUTLER KY-LOGAN KY-WARREN KY-SIMPSON KY- INCLUDING THE CITIES OF...BEAVER DAM...MORGANTOWN... RUSSELLVILLE...BOWLING GREEN...FRANKLIN 343 AM CDT THU SEP 3 2009 A SLOW MOVING UPPER LOW HAS SPARKED WIDESPREAD SHOWERS AND THUNDERSTORMS THAT WILL BRING LOCALLY HEAVY RAINFALL TO PORTIONS OF SOUTH CENTRAL KENTUCKY WEST OF INTERSTATE 65 AND AS FAR NORTH AS OHIO COUNTY. NUMEROUS THUNDERSTORMS WILL MOVE EAST OVER LOGAN COUNTY BY 415 AM CDT. OTHER STORMS WILL MOVE NORTH ACROSS BUTLER AND OHIO COUNTIES THROUGH 5 AM CDT. LOCALIZED VERY HEAVY RAINFALL OF ONE TO TWO INCHES ARE POSSIBLE THROUGH 6 AM CDT...ESPECIALLY OVER BUTLER AND OHIO COUNTIES. EXPECT REDUCED VISIBILITIES AND PONDING WATER UNDER THE HEAVIEST THUNDERSTORMS. MOTORISTS SHOULD SLOW DOWN AND ALLOW EXTRA SPACING BETWEEN VEHICLES. JSD
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 6:15 AM CDT | Areal Flood Advisory | LMK | Edmonson, Grayson, Simpson, Warren | 3 hr |
| Sep 3, 6:53 AM CDT | Flash Flood Warning | LMK | Grayson | 2 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.