Alert archive / Kentucky / Flash Flood Warnings in 2003
Flash Flood Warning 33, NWS Louisville, KY
NWS Louisville, KY issued this flash flood warning at Aug 11, 2003, 3:37 PM CDT for Grayson County, Kentucky. It was in force for 113 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 11, 2003, 3:37 PM CDT (20:37 UTC)
- Expired
- Aug 11, 2003, 5:30 PM CDT
- In force
- 113 min
- Issued by
- NWS Louisville, KY
- Area
- Counties, with a storm outline in the text
County Grayson County, KY
The radar
The Louisville radar (KLVX), 71 km from the middle of the area, began a volume at 20:37 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 8.6 hours before the alert went out and 150 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
- 414 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 789 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLMK 112038 FFWLMK KYC085-112230- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LOUISVILLE KY 337 PM CDT MON AUG 11 2003 THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... GRAYSON COUNTY IN SOUTH CENTRAL KENTUCKY * UNTIL 530 PM CDT AT 330 PM CDT, LAW ENFORCEMENT REPORTED WATER FLOWING OVER HIGHWAY 259 AT THE BEAR CREEK BRIDGE, SOUTH OF LEITCHFIELD. RADAR HAS ESTIMATED THAT FROM 2 TO 3 INCHES OF RAIN HAS FALLEN SO FAR THIS AFTERNOON, PARTICULARLY IN THE AREA FROM SNAP, OVER TO NEAR LEITCHFIELD, TO CANEYVILLE. ADDITIONAL STORMS WILL LIKELY PRODUCE SIGNIFICANT RAINFALL. THIS REPLACES THE URBAN AND SMALL STREAM FLOOD ADVISORY EARLIER ISSUED FOR GRAYSON COUNTY. EXCESSIVE RAINFALL FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...ROADWAYS...UNDERPASSES AND LOW LYING AREAS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 3754 8666 3740 8660 3734 8612 3754 8612 $$ SMALLCOMB
1 follow-up statement
000 WGUS73 KLMK 112158 FFSLMK KYC085-112230- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 451 PM CDT MON AUG 11 2003 ...A FLASH FLOOD WARNING CONTINUES UNTIL 530 PM CDT FOR GRAYSON COUNTY IN SOUTH CENTRAL KENTUCKY... AT 450 PM CDT, WEATHER SERVICE RADAR INDICATED THAT MUCH OF THE INTENSE RAINFALL HAD DISSIPATED OR EXITED GRAYSON COUNTY. LIGHT TO OCCASIONALLY MODERATE RAINS WILL CONTINUE HOWEVER THROUGH 530 PM. RUNOFF FROM THE EARLIER HEAVY RAINS WILL CONTINUE THE THREAT FOR FLASH FLOODING. TOTAL PRECIPITATION AMOUNTS RANGE FROM 1.5 TO 3 INCHES ACROSS THE COUNTY, WITH THE HIGHEST AMOUNTS FROM CANEYVILLE, TO LEITCHFIELD, TO MILLERSTOWN. LAW ENFORCEMENT HAS REPORTED A COUPLE ADDITIONAL SPOTS OF FLOODING, INCLUDING MAIN STREET IN DOWNTOWN LEITCHFIELD, AND ALONG HIGHWAY 224 IN EASTERN GRAYSON COUNTY. EXCESSIVE RAINFALL FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...ROADWAYS...UNDERPASSES AND LOW LYING AREAS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. $$ SMALLCOMB
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 9:01 AM CDT | Flash Flood Warning | LMK | Clinton, Russell | 119 min |
| Aug 11, 2:05 PM CDT | Severe Thunderstorm Warning | LMK | Breckinridge, Meade | 25 min |
| Aug 11, 2:36 PM CDT | Flash Flood Warning | LMK | Butler | 84 min |
Nearby
Flash Flood Warnings in Kentucky, 2003Every flash flood warning in 2003
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; radar from the NEXRAD Level II archive.