Alert archive / Kentucky / Flash Flood Warnings in 2011
Flash Flood Warning 49, NWS Jackson, KY
NWS Jackson, KY issued this flash flood warning at Aug 13, 2011, 8:20 PM EDT for 5 counties in Kentucky. It was in force for 4 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 13, 2011, 8:20 PM EDT (00:20 UTC)
- Expired
- Aug 14, 2011, 12:30 AM EDT
- In force
- 4 hr
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Estill County, KY, Lee County, KY, Menifee County, KY, Powell County, KY, Wolfe County, KY
The radar
The Jackson,KY radar (KJKL), 57 km from the middle of the area, began a volume at 00:21 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 13, 10:37 PM EDT | FLASH FLOOD | Natural Bridge S.P., KY | POWELL COUNTY RESUCE SQUADS ARE ENROUTE TO WHITTLETON BRANCH CAMP GROUNDS FOR EVACUATION EFFORTS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.3 hours before the alert went out and 178 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
- 1063 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1455 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
520
WGUS53 KJKL 140020
FFWJKL
KYC065-129-165-197-237-140430-
/O.NEW.KJKL.FF.W.0049.110814T0020Z-110814T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
820 PM EDT SAT AUG 13 2011
THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN LEE COUNTY IN SOUTHEAST KENTUCKY...
NORTHERN ESTILL COUNTY IN EAST CENTRAL KENTUCKY...
POWELL COUNTY IN EAST CENTRAL KENTUCKY...
SOUTHERN MENIFEE COUNTY IN EAST CENTRAL KENTUCKY...
WESTERN WOLFE COUNTY IN SOUTHEAST KENTUCKY...
* UNTIL 1230 AM EDT
* AT 818 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. DOPPLER RADAR ESTIMATES NEARLY TWO INCHES OF RAIN HAS
FALLEN.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CAMPTON...IRVINE...STANTON...BOOTH...BOWEN...CALABOOSE...CALLOWAY
CROSSING...CAT CREEK...CLAY CITY...COBHILL...COTTAGE FURNACE...COW
CREEK...CRESSY...CRYSTAL...DENNISTON...FAGAN...FINCASTLE...
FITCHBURG...FIXER...FLAT...FOX...FURNACE...GLENCAIRN...GRANNIE...
GREELEY...HARDWICK...HARGETT...HARRIS FERRY...HAYSTACK AND HIGH
FALLS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF TWO OR MORE INCHES ARE POSSIBLE IN
THE WARNED AREA.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3794 8350 3764 8351 3763 8353 3770 8409
3775 8409 3778 8411 3781 8408 3782 8412
3785 8408 3782 8407 3785 8406 3784 8402
3793 8397 3790 8388 3790 8380 3792 8377
3795 8377
$$
DUSTY1 follow-up statement
319
WGUS73 KJKL 140421
FFSJKL
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
1221 AM EDT SUN AUG 14 2011
KYC065-129-165-197-237-140436-
/O.EXP.KJKL.FF.W.0049.000000T0000Z-110814T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MENIFEE KY-POWELL KY-WOLFE KY-LEE KY-ESTILL KY-
1221 AM EDT SUN AUG 14 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN ESTILL...
NORTHEASTERN LEE...WESTERN WOLFE...POWELL AND SOUTHERN MENIFEE
COUNTIES WILL BE ALLOWED TO EXPIRE AT 1230 AM EDT...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3794 8350 3764 8351 3763 8353 3770 8409
3775 8409 3778 8411 3781 8408 3782 8412
3785 8408 3782 8407 3785 8406 3784 8402
3793 8397 3790 8388 3790 8380 3792 8377
3795 8377
$$
GREIFThe office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 10:41 PM EDT | Severe Thunderstorm Warning | JKL | Floyd, Pike | 34 min |
| Aug 14, 1:27 PM EDT | Severe Thunderstorm Warning | JKL | Bell, Harlan | 33 min |
| Aug 14, 4:05 PM EDT | Areal Flood Advisory | JKL | Pike | 115 min |
| Aug 14, 4:30 PM EDT | Flash Flood Warning | JKL | Pike | 4 hr |
Nearby
Flash Flood Warnings in Kentucky, 2011Every flash flood warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.