Alert archive / Kentucky / Flash Flood Warnings in 2011
Flash Flood Warning 33, NWS Jackson, KY
NWS Jackson, KY issued this flash flood warning at Jul 21, 2011, 8:52 AM EDT for Clay County, Leslie County, Perry 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
- Jul 21, 2011, 8:52 AM EDT (12:52 UTC)
- Expired
- Jul 21, 2011, 11:34 AM EDT
- In force
- 3 hr
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clay County, KY, Leslie County, KY, Perry County, KY
The radar
The Jackson,KY radar (KJKL), 56 km from the middle of the area, began a volume at 12:52 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, 0.9 hours before the alert went out and 260 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
- 2036 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 996 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
790
WGUS53 KJKL 211252
FFWJKL
KYC051-131-193-211600-
/O.NEW.KJKL.FF.W.0033.110721T1252Z-110721T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
852 AM EDT THU JUL 21 2011
THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
LESLIE COUNTY IN SOUTHEAST KENTUCKY...
SOUTHERN CLAY COUNTY IN SOUTHEAST KENTUCKY...
SOUTHERN PERRY COUNTY IN SOUTHEAST KENTUCKY...
* UNTIL NOON EDT
* AT 849 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. A
RAIN GAUGE IN BUFFALO IN PERRY COUNTY REPORTED 1.93 INCHES OF RAIN
IN 1 HOUR.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
HAZARD...HYDEN...MANCHESTER...AVAWAM...BARCREEK...PEABODY...
BIG CREEK...BLUEHOLE...AND STINNET.
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 3731 8314 3713 8310 3698 8332 3696 8356
3698 8366 3702 8373 3707 8388 3720 8382
$$
SBH2 follow-up statements
514
WGUS73 KJKL 211418
FFSJKL
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
1018 AM EDT THU JUL 21 2011
KYC051-131-193-211600-
/O.CON.KJKL.FF.W.0033.000000T0000Z-110721T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PERRY KY-CLAY KY-LESLIE KY-
1018 AM EDT THU JUL 21 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR LESLIE...SOUTHERN CLAY
AND SOUTHERN PERRY COUNTIES UNTIL NOON EDT...
AT 1011 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
HEAVY RAINFALL HAD ENDED ACROSS THE WARNED AREA. HOWEVER RUNOFF FROM
THE HEAVY RAIN THAT OCCURRED EARLIER THIS MORNING WILL CONTINUE AND
FLASH FLOODING REMAINS LIKELY. IN LESLIE COUNTY AN AUTOMATED RAIN
GAUGE AT LUCINDA RECORDED 1.34 INCHES OF RAIN EARLIER THIS
MORNING...WHILE A GAUGE AT BUFFALO IN PERRY COUNTY RECORDED 2.91
INCHES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3731 8314 3713 8310 3698 8332 3696 8356
3698 8366 3702 8373 3707 8388 3720 8382
$$
SBH779
WGUS73 KJKL 211534
FFSJKL
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
1134 AM EDT THU JUL 21 2011
KYC051-131-193-211549-
/O.CAN.KJKL.FF.W.0033.000000T0000Z-110721T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PERRY KY-CLAY KY-LESLIE KY-
1134 AM EDT THU JUL 21 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR LESLIE...SOUTHERN
CLAY AND SOUTHERN PERRY COUNTIES 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 3731 8314 3713 8310 3698 8332 3696 8356
3698 8366 3702 8373 3707 8388 3720 8382
$$
SBHThe office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 12:36 AM EDT | Severe Thunderstorm Warning | JKL | Elliott, Rowan | 39 min |
| Jul 21, 12:50 AM EDT | Areal Flood Advisory | JKL | Rowan | 3 hr |
| Jul 21, 4:06 AM EDT | Excessive Heat Warning | JKL | Bath, Bell, Breathitt, Clay, Elliott, Estill and 27 more | 4 days |
| Jul 21, 5:42 AM EDT | Severe Thunderstorm Warning | JKL | Floyd, Johnson, Martin, Pike | 48 min |
| Jul 21, 5:48 AM EDT | Areal Flood Advisory | JKL | Floyd, Johnson, Martin | 5 hr |
| Jul 21, 5:56 AM EDT | Flash Flood Warning | JKL | Martin | 3 hr |
| Jul 21, 6:23 AM EDT | Severe Thunderstorm Warning | JKL | Floyd, Johnson, Magoffin | 52 min |
| Jul 21, 6:44 AM EDT | Areal Flood Advisory | JKL | Floyd | 3 hr |
| Jul 21, 7:07 AM EDT | Severe Thunderstorm Warning | JKL | Breathitt, Knott, Magoffin | 38 min |
| Jul 21, 8:58 AM EDT | Areal Flood Warning | JKL | Martin | 3 hr |
| Jul 21, 9:19 AM EDT | Flash Flood Warning | JKL | Bell, Clay, Knox, Whitley | 3 hr |
| Jul 21, 10:43 AM EDT | Flash Flood Warning | JKL | McCreary, Whitley | 3 hr |
| Jul 21, 11:59 AM EDT | Areal Flood Warning | JKL | Martin | 6 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.