Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 39, NWS Jackson, KY

July 22, 2011Floyd County, Magoffin County, Martin County, Kentucky

NWS Jackson, KY issued this flash flood warning at Jul 22, 2011, 5:19 PM EDT for Floyd County, Magoffin County, Martin County, Kentucky. It was in force for 2 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 22, 2011, 5:19 PM EDT (21:19 UTC)
Expired
Jul 22, 2011, 7:35 PM EDT
In force
2 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Floyd County, KY, Magoffin County, KY, Martin County, KY

The radar

The Jackson,KY radar (KJKL), 43 km from the middle of the area, began a volume at 21:19 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.

What was reported inside it

TimeReportWhereRemark
Jul 22, 5:30 PM EDTHEAVY RAIN 2.5Brainard, KYMIDDLE CREEK IFLOWS GAUGE NEAR MILEMARKER 2 ON KY 114 REPORTED 2.48 INCHES OF RAIN IN ONE HOUR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.3 hours before the alert went out and 207 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, Cncnati-Daytn, OH at 12:00Z on 2011-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3503 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, Cncnati-Daytn, OH at 12:00Z on 2011-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
3503 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
912 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KJKL 222119
FFWJKL
KYC071-153-159-230030-
/O.NEW.KJKL.FF.W.0039.110722T2119Z-110723T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
519 PM EDT FRI JUL 22 2011

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL MAGOFFIN COUNTY IN SOUTHEAST KENTUCKY...
  EXTREME WEST CENTRAL MARTIN COUNTY IN NORTHEAST KENTUCKY...
  NORTHERN FLOYD COUNTY IN SOUTHEAST KENTUCKY...

* UNTIL 830 PM EDT

* AT 518 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. SOME LOCATIONS HAVE SEEN OVER 2 INCHES OF RAIN BETWEEN
  4:30 AND 5:15 PM. UP TO AN ADDITIONAL INCH AND A HALF OF RAIN IS    
  EXPECTED BETWEEN 5:15 AND 6 PM.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  PRESTONSBURG...SALYERSVILLE...AUXIER...BAYS BRANCH...BONANZA...
  BRADLEY...BRAINARD...BURNING FORK...CLIFF...CONLEY...CORN FORK
  HOLLOW...DICKS CREEK...DOTSON...EAST POINT...GALDIA...GAPVILLE...
  GYPSY...IVYTON...LANCER...MARSHALLVILLE...MASHFORK...MASON...
  NERO...ROYALTON...SKAGGS...STRINGTOWN...SUBLETT...SWAMPTON AND WEST
  ROYALTON STATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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 3760 8301 3776 8308 3778 8296 3772 8295
      3771 8291 3775 8279 3774 8270 3780 8267
      3774 8270 3773 8269 3773 8266 3777 8266
      3777 8265 3773 8266 3767 8263

$$

GEOGERIAN
2 follow-up statements
579 
WGUS73 KJKL 222204
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
604 PM EDT FRI JUL 22 2011

KYC071-153-159-230030-
/O.CON.KJKL.FF.W.0039.000000T0000Z-110723T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARTIN KY-MAGOFFIN KY-FLOYD KY-
604 PM EDT FRI JUL 22 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN FLOYD...CENTRAL
MAGOFFIN AND EXTREME WEST CENTRAL MARTIN COUNTIES UNTIL 830 PM EDT...

AT 604 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL HAVE MOVED OUT OF THE 
AREA...HOWEVER RUNOFF FROM EARLIER EXCESSIVE RAINFALL WILL CAUSE 
FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH 
FLOODING INCLUDE...PRESTONSBURG...SALYERSVILLE...AUXIER...BAYS 
BRANCH...BONANZA...BRADLEY...BRAINARD...BURNING 
FORK...CLIFF...CONLEY...CORN FORK HOLLOW...DICKS 
CREEK...DOTSON...GALDIA...GAPVILLE...GYPSY...IVYTON...LANCER...MARSHA
LLVILLE...MASHFORK...MASON...ROYALTON...SKAGGS...SUBLETT...SWAMPTON 
AND WEST ROYALTON STATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

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 3760 8301 3776 8308 3778 8296 3772 8295
      3771 8291 3775 8279 3774 8270 3780 8267
      3774 8270 3773 8269 3773 8266 3777 8266
      3777 8265 3773 8266 3767 8263

$$

GEOGERIAN
995 
WGUS73 KJKL 222335
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
735 PM EDT FRI JUL 22 2011

KYC071-153-159-222350-
/O.CAN.KJKL.FF.W.0039.000000T0000Z-110723T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARTIN KY-MAGOFFIN KY-FLOYD KY-
735 PM EDT FRI JUL 22 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN FLOYD...
CENTRAL MAGOFFIN AND EXTREME WEST CENTRAL MARTIN 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 3760 8301 3776 8308 3778 8296 3772 8295
      3771 8291 3775 8279 3774 8270 3780 8267
      3774 8270 3773 8269 3773 8266 3777 8266
      3777 8265 3773 8266 3767 8263

$$

GEOGERIAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 4:25 AM EDTHeat AdvisoryJKLBell, Breathitt, Clay, Elliott, Floyd, Harlan and 14 more64 hr
Jul 22, 8:53 AM EDTAreal Flood AdvisoryJKLPulaski3 hr
Jul 22, 9:59 AM EDTAreal Flood AdvisoryJKLPulaski, Rockcastle2 hr
Jul 22, 2:38 PM EDTFlash Flood WarningJKLLetcher3 hr
Jul 22, 3:33 PM EDTFlash Flood WarningJKLMorgan3 hr
Jul 22, 3:40 PM EDTAreal Flood AdvisoryJKLElliott, Rowan80 min
Jul 22, 4:05 PM EDTAreal Flood AdvisoryJKLMenifee, Morgan, Rowan115 min
Jul 22, 4:34 PM EDTFlash Flood WarningJKLRowan3 hr
Jul 22, 4:52 PM EDTSevere Thunderstorm WarningJKLFloyd, Johnson, Magoffin53 min
Jul 22, 5:09 PM EDTAreal Flood AdvisoryJKLFloyd, Johnson, Magoffin2 hr
Jul 22, 5:30 PM EDTAreal Flood AdvisoryJKLBreathitt, Leslie, Perry2 hr
Jul 22, 5:46 PM EDTAreal Flood AdvisoryJKLMartin104 min
Jul 22, 5:54 PM EDTFlash Flood WarningJKLBreathitt, Leslie, Perry107 min
Jul 22, 6:16 PM EDTAreal Flood AdvisoryJKLBreathitt, Clay, Leslie, Owsley, Perry104 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.