Alert archive / Kentucky / Flash Flood Warnings in 2007

Flash Flood Warning 13, NWS Jackson, KY

May 4, 2007Wayne County, Kentucky

NWS Jackson, KY issued this flash flood warning at May 4, 2007, 6:12 PM EDT for Wayne County, Kentucky. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 4, 2007, 6:12 PM EDT (22:12 UTC)
Expired
May 4, 2007, 8:15 PM EDT
In force
2 hr
Issued by
NWS Jackson, KY
Area
Whole counties

County Wayne County, KY

The radar

The Knoxville radar (KMRX), 146 km from the middle of the area, began a volume at 22:16 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

Nashville Metro, TN (KBNA), launched 12:00Z, 10.2 hours before the alert went out and 175 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2007-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 372 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2007-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
372 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
864 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KJKL 042213
FFWJKL
KYC231-050015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
612 PM EDT FRI MAY 4 2007

THE NATIONAL WEATHER SERVICE IN JACKSON KY
HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN WAYNE COUNTY IN SOUTH CENTRAL KENTUCKY

* UNTIL 815 PM EDT

* AT 607 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  RAINFALL HEAVY ENOUGH TO CAUSE FLASH FLOODING OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO AREAS IN
  THE VICINITY OF BARRIER...BETSEY...COOPERSVILLE...DELTA...DENNEY...
  FRAZER AND GREGORY.

SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE OVER AREAS THAT HAVE 
ALREADY SEEN HEAVY RAIN. ADDITIONAL RAINFALL AMOUNTS OF ONE TO ONE AND
A HALF INCHES WILL BE POSSIBLE POSSIBLE IN THE WARNED AREA BETWEEN 6 
AND 7 PM.

EXCESSIVE RUNOFF FROM THIS 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.

TO REPORT ANY FLOODING TO THE NATIONAL WEATHER SERVICE...CALL TOLL
FREE AT...1...8 7 7...6 3 3...6 7 7 2...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3668 8486 3669 8473 3677 8467 3679 8463
      3682 8460 3688 8460 3698 8471 3696 8480
      3682 8485

$$

GEOGERIAN
2 follow-up statements
000 
WGUS73 KJKL 042305
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
705 PM EDT FRI MAY 4 2007

KYC231-050015-
WAYNE KY-
705 PM EDT FRI MAY 4 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
EASTERN WAYNE COUNTY...

AT 700 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS CAPABLE OF PRODUCING FLASH FLOODING OVER THE 
WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
STEUBENVILLE...MILL SPRINGS...KIDDER...GREGORY...FRAZER...DELTA AND
BETSEY.

ADDITIONAL RAINFALL AMOUNTS OF UP TO THREE QUARTERS OF AN INCH ARE 
POSSIBLE IN THE WARNED AREA BETWEEN 7 AND 8 PM.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. 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. MOVE TO HIGHER GROUND.

LAT...LON 3668 8486 3669 8473 3677 8467 3679 8463
      3682 8460 3688 8460 3698 8471 3696 8480
      3682 8485

FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL SATURDAY MORNING.

$$

GEOGERIAN
000 
WGUS73 KJKL 050015
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
815 PM EDT FRI MAY 4 2007

KYC231-050025-
WAYNE KY-
815 PM EDT FRI MAY 4 2007

...THE FLASH FLOOD WARNING HAS EXPIRED AT 8:15 PM FOR EASTERN WAYNE 
COUNTY...

THE HEAVIEST RAINS HAVE EXITED THE WARNED AREA...ENDING THE THREAT 
OF FLASH FLOODING...HOWEVER ADDITIONAL SCATTERED SHOWERS AND 
THUNDERSTORMS WILL CONTINUE TO MOVE NORTH ACROSS THE AREA THROUGH
MIDNIGHT...CONTINUING TO THREATEN AREAS WITH URBAN AND SMALL STREAM
NUISANCE FLOODING. 

LAT...LON 3668 8486 3669 8473 3677 8467 3679 8463
      3682 8460 3688 8460 3698 8471 3696 8480
      3682 8485

$$

GEOGERIAN

The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 4, 3:18 PM EDTFlash Flood WarningJKLLaurel3 hr
May 4, 4:00 PM EDTFlash Flood WatchJKLBell, Clay, Estill, Harlan, Jackson, Knox and 8 more28 hr
May 4, 4:22 PM EDTSevere Thunderstorm WarningJKLClay, Leslie23 min
May 4, 4:41 PM EDTSevere Thunderstorm WarningJKLLeslie34 min
May 4, 5:15 PM EDTSevere Thunderstorm WarningJKLLeslie, Perry45 min
May 4, 6:07 PM EDTFlash Flood WarningJKLLaurel113 min
May 4, 6:19 PM EDTSevere Thunderstorm WarningJKLClay, Laurel41 min
May 4, 6:20 PM EDTFlash Flood WarningJKLClay3 hr
May 4, 6:26 PM EDTFlash Flood WarningJKLPulaski3 hr
May 4, 6:38 PM EDTFlash Flood WarningJKLWhitley97 min

Nearby

Flash Flood Warnings in Kentucky, 2007Every flash flood warning in 2007

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.