Alert archive / Kentucky / Flash Flood Warnings in 2012
Flash Flood Warning 29, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Aug 9, 2012, 4:55 PM EDT for 7 counties in Kentucky; Switzerland County, Indiana. It was in force for 81 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 9, 2012, 4:55 PM EDT (20:55 UTC)
- Expired
- Aug 9, 2012, 6:16 PM EDT
- In force
- 81 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Flood severity
- None
Counties Switzerland County, IN, Boone County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Owen County, KY
The radar
The Cincinnati radar (KILN), 101 km from the middle of the area, began a volume at 20:56 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.9 hours before the alert went out and 103 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
- 946 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 1085 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
330 WGUS51 KILN 092055 FFWILN INC155-KYC015-037-041-077-081-117-187-092300- /O.NEW.KILN.FF.W.0029.120809T2055Z-120809T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 455 PM EDT THU AUG 9 2012 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A * FLASH FLOOD WARNING FOR... BOONE COUNTY IN NORTHERN KENTUCKY... CAMPBELL COUNTY IN NORTHERN KENTUCKY... CARROLL COUNTY IN NORTHERN KENTUCKY... GALLATIN COUNTY IN NORTHERN KENTUCKY... NORTHWESTERN GRANT COUNTY IN NORTHERN KENTUCKY... KENTON COUNTY IN NORTHERN KENTUCKY... NORTHWESTERN OWEN COUNTY IN NORTHERN KENTUCKY... SWITZERLAND COUNTY IN SOUTHEAST INDIANA... * UNTIL 700 PM EDT. * AT 451 PM EDT...RADAR INDICATED THAT THUNDERSTORMS HAD PRODUCED HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATED UP TO 4 INCHES OF RAIN HAVE FALLEN IN THESE AREAS. * HEAVY RAIN CONTINUES TO FALL ACROSS THE WARNED AREA WITH ANOTHER ONE TO TWO INCHES POSSIBLE THROUGH 700 PM EDT. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... ACT QUICKLY TO PROTECT YOUR LIFE IF YOU ARE IN A LOW LYING AREA... ALONG A CREEK...STREAM OR IN AN AREA EXPERIENCING FLOODING. MOVE TO HIGHER GROUND IMMEDIATELY. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. FIND AN ALTERNATE ROUTE OR WAIT UNTIL THE WATER RECEDES. && LAT...LON 3897 8449 3887 8435 3860 8505 3872 8513 $$
1 follow-up statement
899 WGUS71 KILN 092216 FFSILN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 616 PM EDT THU AUG 9 2012 INC155-KYC015-037-041-077-081-117-187-092225- /O.CAN.KILN.FF.W.0029.000000T0000Z-120809T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SWITZERLAND IN-KENTON KY-OWEN KY-BOONE KY-CAMPBELL KY-CARROLL KY- GALLATIN KY-GRANT KY- 616 PM EDT THU AUG 9 2012 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHWESTERN GRANT...GALLATIN...CARROLL...CAMPBELL...BOONE...NORTHWESTERN OWEN... KENTON AND SWITZERLAND COUNTIES HAS BEEN CANCELLED... THE HEAVIEST AXIS OF RAIN HAS SHIFTED TO THE SOUTHEAST AND THE THREAT FOR FLASH FLOODING HAS ENDED. IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. LAT...LON 3897 8449 3887 8435 3860 8505 3872 8513 $$
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 3:47 PM EDT | Special Weather Statement | ILN | Boone, Campbell, Carroll, Gallatin, Kenton | 43 min |
| Aug 9, 3:55 PM EDT | Severe Thunderstorm Warning | ILN | Boone, Campbell, Kenton | 50 min |
| Aug 9, 4:22 PM EDT | Severe Thunderstorm Warning | ILN | Campbell, Kenton, Pendleton | 38 min |
| Aug 9, 4:24 PM EDT | Areal Flood Advisory | ILN | Boone, Campbell, Carroll, Gallatin, Grant, Kenton and 1 more | 2 hr |
| Aug 9, 4:57 PM EDT | Severe Thunderstorm Warning | ILN | Bracken, Pendleton, Robertson | 48 min |
| Aug 9, 5:41 PM EDT | Severe Thunderstorm Warning | ILN | Bracken, Mason, Pendleton, Robertson | 33 min |
| Aug 9, 5:59 PM EDT | Areal Flood Advisory | ILN | Bracken, Grant, Mason, Owen, Pendleton, Robertson | 2 hr |
| Aug 9, 6:10 PM EDT | Severe Thunderstorm Warning | ILN | Lewis, Mason | 50 min |
| Aug 8, 9:57 PM EDT | Special Weather Statement | ILN | Franklin | 48 min |
| Aug 8, 10:38 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Franklin | 25 min |
| Aug 8, 10:40 PM EDT | Special Weather Statement | ILN | Dearborn | 35 min |
| Aug 9, 6:05 AM EDT | Special Weather Statement | ILN | Franklin | 25 min |
| Aug 9, 7:23 PM EDT | Severe Thunderstorm Warning | ILN | Union | 37 min |
| Aug 9, 7:58 PM EDT | Severe Thunderstorm Warning | ILN | Wayne | 47 min |
Nearby
Flash Flood Warnings in Kentucky, 2012Flash Flood Warnings in Indiana, 2012Every flash flood warning in 2012
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.