Alert archive / Kentucky / Flash Flood Warnings in 2012
Flash Flood Warning 38, NWS Jackson, KY
NWS Jackson, KY issued this flash flood warning at Jul 31, 2012, 5:27 PM EDT for Harlan 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 outline as issued.
The facts
- Issued
- Jul 31, 2012, 5:27 PM EDT (21:27 UTC)
- Expired
- Jul 31, 2012, 9:20 PM EDT
- In force
- 4 hr
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Flood severity
- None
County Harlan County, KY
The radar
The Jackson,KY radar (KJKL), 81 km from the middle of the area, began a volume at 21:28 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, 9.5 hours before the alert went out and 290 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1498 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
615
WGUS53 KJKL 312127
FFWJKL
KYC095-010330-
/O.NEW.KJKL.FF.W.0038.120731T2127Z-120801T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
527 PM EDT TUE JUL 31 2012
THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL HARLAN COUNTY IN SOUTHEAST KENTUCKY...
* UNTIL 1130 PM EDT
* AT 525 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR ESTIMATES SHOW THAT UP TO 2.5 INCHES OF RAIN
HAS ALRADY FALLEN OVER THE WARNED AREA.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BENITO...BLACK BOTTOM...CHAD...CLOSPLINT...CLOVER FORK...
CLOVER-DARBY...CREECH...DIANE...GANO...GEORGETOWN...HIGHSPLINT...
HIRAM...HOLMES MILL...LEJUNIOR...LEONARD...LOUELLEN...RIDGEWAY...
RILEYVILLE...RUTHERFORD...SHIELDS AND TOTZ.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.
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 3685 8303 3685 8307 3686 8313 3690 8316
3694 8314 3698 8305 3698 8302 3698 8303
3687 8292 3686 8299 3684 8301
$$
KAS1 follow-up statement
216
WGUS73 KJKL 010120
FFSJKL
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
920 PM EDT TUE JUL 31 2012
KYC095-010135-
/O.CAN.KJKL.FF.W.0038.000000T0000Z-120801T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARLAN KY-
920 PM EDT TUE JUL 31 2012
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EAST CENTRAL HARLAN
COUNTY IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3685 8303 3685 8307 3686 8313 3690 8316
3694 8314 3698 8305 3698 8302 3698 8303
3687 8292 3686 8299 3684 8301
$$
KASThe office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 4:04 PM EDT | Severe Thunderstorm Warning | JKL | Floyd, Knott, Letcher, Pike | 26 min |
| Jul 31, 4:29 PM EDT | Severe Thunderstorm Warning | JKL | Letcher, Pike | 31 min |
| Jul 31, 4:30 PM EDT | Areal Flood Advisory | JKL | Letcher, Pike | 4 hr |
| Jul 31, 5:04 PM EDT | Severe Thunderstorm Warning | JKL | Letcher | 26 min |
| Jul 31, 5:12 PM EDT | Areal Flood Advisory | JKL | Harlan | 4 hr |
| Jul 31, 5:46 PM EDT | Areal Flood Advisory | JKL | Pike | 3 hr |
| Jul 31, 6:05 PM EDT | Areal Flood Advisory | JKL | Pike | 3 hr |
| Jul 31, 6:05 PM EDT | Flash Flood Warning | JKL | Pike | 3 hr |
| Jul 31, 6:23 PM EDT | Areal Flood Advisory | JKL | Harlan, Letcher | 2 hr |
| Jul 31, 6:23 PM EDT | Areal Flood Advisory | JKL | Harlan, Leslie, Letcher, Perry | 2 hr |
Nearby
Flash Flood Warnings in Kentucky, 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.