Alert archive / Kentucky / Flash Flood Warnings in 2011
Flash Flood Warning 51, NWS Jackson, KY
NWS Jackson, KY issued this flash flood warning at Sep 4, 2011, 4:49 PM EDT for Johnson County, Martin County, Kentucky. It was in force for 3 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
- Sep 4, 2011, 4:49 PM EDT (20:49 UTC)
- Expired
- Sep 4, 2011, 8:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Johnson County, KY, Martin County, KY
The radar
The Jackson,KY radar (KJKL), 65 km from the middle of the area, began a volume at 20:48 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, 8.8 hours before the alert went out and 201 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
- 886 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 935 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
402
WGUS53 KJKL 042049
FFWJKL
KYC115-159-050000-
/O.NEW.KJKL.FF.W.0051.110904T2049Z-110905T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
449 PM EDT SUN SEP 4 2011
THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL JOHNSON COUNTY IN NORTHEAST KENTUCKY...
WEST CENTRAL MARTIN COUNTY IN NORTHEAST KENTUCKY...
* UNTIL 800 PM EDT
* AT 448 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. DOPPLER RADAR HAS ESTIMATED THAT UP TO TWO AND A HALF
INCHES OF RAIN HAS FALLEN BETWEEN 3:30 AND 4:30 PM. UP TO AN
ADDITIONAL INCH OF RAIN IS POSSIBLE BETWEEN 4:45 AND 5:30 PM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...BOONS
CAMP...CHESTNUT...HAMMOND...OFFUTT...RIVER...WELLS CHAPEL AND
WHITEHOUSE.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
GREASY CREEK...TOMS CREEK...LEVISA FORK...MARY BRANCH...NATS CREEK...
HOME FORK...LICK CREEK...TWOMILE CREEK...MIDDLE FORK GREASY CREEK...
STAFFORD FORK...ROCKHOUSE FORK...TRACE FORK AND GEORGES CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3781 8263 3784 8275 3791 8272 3789 8266
3789 8262 3788 8260
$$
GEOGERIAN2 follow-up statements
238
WGUS73 KJKL 042113
FFSJKL
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
513 PM EDT SUN SEP 4 2011
KYC115-159-050000-
/O.CON.KJKL.FF.W.0051.000000T0000Z-110905T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JOHNSON KY-MARTIN KY-
513 PM EDT SUN SEP 4 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WEST CENTRAL MARTIN AND
EAST CENTRAL JOHNSON COUNTIES UNTIL 800 PM EDT...
AT 509 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
DOPPLER RADAR HAS ESTIMATED THAT BETWEEN THREE AND THREE AND A HALF
INCHES OF RAIN HAS FALLEN BETWEEN 3:30 AND 5 PM ACROSS PORTIONS OF
THE WARNED AREA.
THUNDERSTORMS WILL WIND DOWN ACROSS THE AREA THROUGH 6 PM...HOWEVER
RUNOFF WILL CONTINUE TO CAUSE FLASH FLOODING TO OCCUR. SOME
LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...BOONS
CAMP...CHESTNUT...HAMMOND...OFFUTT...RIVER...WELLS CHAPEL AND
WHITEHOUSE.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
GREASY CREEK...TOMS CREEK...LEVISA FORK...MARY BRANCH...NATS CREEK...
HOME FORK...LICK CREEK...TWOMILE CREEK...MIDDLE FORK GREASY CREEK...
STAFFORD FORK...ROCKHOUSE FORK...TRACE FORK AND GEORGES CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3781 8263 3784 8275 3791 8272 3789 8266
3789 8262 3788 8260
$$
GEOGERIAN349
WGUS73 KJKL 050006
FFSJKL
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
806 PM EDT SUN SEP 4 2011
KYC115-159-050021-
/O.EXP.KJKL.FF.W.0051.000000T0000Z-110905T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JOHNSON KY-MARTIN KY-
806 PM EDT SUN SEP 4 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WEST CENTRAL MARTIN
AND EAST CENTRAL JOHNSON COUNTIES HAS BEEN ALLOWED TO EXPIRE...
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 3781 8263 3784 8275 3791 8272 3789 8266
3789 8262 3788 8260
$$
DUSTYThe office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 4:13 PM EDT | Areal Flood Advisory | JKL | Martin | 3 hr |
| Sep 4, 4:38 PM EDT | Areal Flood Advisory | JKL | Johnson, Martin | 112 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.