Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 23, NWS Charleston, WV

June 9, 2011Lawrence County, Kentucky

NWS Charleston, WV issued this flash flood warning at Jun 9, 2011, 6:06 PM EDT for Lawrence County, Kentucky. It was in force for 95 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: Jun 9, 2011, 6:06 PM EDT (22:06 UTC)
Expired: Jun 9, 2011, 7:41 PM EDT
In force: 95 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Flood severity: None

County Lawrence County, KY

The radar

The Jackson,KY radar (KJKL), 63 km from the middle of the area, began a volume at 22:06 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, 10.1 hours before the alert went out and 185 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1482 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 1013 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: -140 m²/s²
0-3 km storm-relative helicity: -82 m²/s²
Significant tornado parameter: -0.4
Supercell composite: -1.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

954 
WGUS51 KRLX 092206
FFWRLX
KYC127-100000-
/O.NEW.KRLX.FF.W.0023.110609T2206Z-110610T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
606 PM EDT THU JUN 9 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN LAWRENCE COUNTY IN KENTUCKY...
  THIS INCLUDES THE CITY OF BLAINE...

* UNTIL 800 PM EDT

* AT 558 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
FLASH FLOODING FROM VERY SLOW MOVING THUNDERSTORMS OVER THE WARNED 
AREA.  RAINFALL HAS ESTIMATED RAINFALL RATES OF TWO TO THREE INCHES 
OF AN HOUR HAVE OCCURRED IN SOME LOCATIONS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ULYSSES...
  MARTHA AND CHARLEY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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. MOVE TO HIGHER GROUND.

&&

PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3808 8293 3796 8248 3794 8250 3795 8256
      3789 8259 3787 8263 3791 8274 3796 8281
      3799 8296 3796 8300 3798 8303 3800 8303

$$

24

1 follow-up statement

197 
WGUS71 KRLX 092341
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
741 PM EDT THU JUN 9 2011

KYC127-092350-
/O.CAN.KRLX.FF.W.0023.000000T0000Z-110610T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAWRENCE KY-
741 PM EDT THU JUN 9 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN LAWRENCE
COUNTY IN KENTUCKY...

RAINS HAVE ENDED ACROSS THE AREA AND NO ADDITIONAL STORMS ARE 
EXPECTED THROUGH AT LEAST EARLY TONIGHT. THUS...THE FLASH FLOOD 
WARNING HAS BEEN CANCELLED.

TURN AROUND DON'T DROWN. DO NOT DRIVE YOUR CAR ON FLOODED ROADWAYS.

PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE 877-633-6772 WHEN YOU CAN DO SO SAFELY.

LAT...LON 3808 8293 3796 8248 3794 8250 3795 8256
      3789 8259 3787 8263 3791 8274 3796 8281
      3799 8296 3796 8300 3798 8303 3800 8303

$$

05

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 9, 4:55 PM EDT	Flash Flood Watch	RLX	Lawrence	3 hr
Jun 9, 5:09 PM EDT	Severe Thunderstorm Warning	RLX	Lawrence	21 min
Jun 9, 6:25 PM EDT	Flash Flood Warning	RLX	Lawrence	78 min

Nearby

Flash Flood Warnings in Kentucky, 2011 Every 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.