Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 43, NWS Charleston, WV

July 30, 2011Boyd County, Greenup County, Kentucky; Cabell County, Wayne County, West Virginia

NWS Charleston, WV issued this flash flood warning at Jul 30, 2011, 6:14 PM EDT for Boyd County, Greenup County, Kentucky; Cabell County, Wayne County, West Virginia. It was in force for 3 hr. 2 reports 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 30, 2011, 6:14 PM EDT (22:14 UTC)
Expired
Jul 30, 2011, 9:15 PM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Boyd County, KY, Greenup County, KY, Cabell County, WV, Wayne County, WV

The radar

The Charleston,WV radar (KRLX), 88 km from the middle of the area, began a volume at 22:17 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 30, 7:05 PM EDTFLASH FLOODSummit, KYROADS CLOSED WITHIN 3 MILE RADIUS OF HATCHERY ROAD. 25 HOMES FLOODED SOME WITH WINDOW DEEP WATER. WATER RESCUES TAKING PLACE.
Jul 30, 7:14 PM EDTFLOOD2 S Of Ashland, KYSTREAMS OVER ROADS OR BRIDGES.

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, 10.2 hours before the alert went out and 147 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 2011-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 741 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 2011-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
741 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
818 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
45 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.

503 
WGUS51 KRLX 302214
FFWRLX
KYC019-089-WVC011-099-310115-
/O.NEW.KRLX.FF.W.0043.110730T2214Z-110731T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
614 PM EDT SAT JUL 30 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BOYD COUNTY IN KENTUCKY...
  THIS INCLUDES THE CITY OF CANNONSBURG...
  SOUTHERN GREENUP COUNTY IN KENTUCKY...
  SOUTHWESTERN CABELL COUNTY IN WEST VIRGINIA...
  NORTHERN WAYNE COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF BEECH FORK STATE PARK...

* UNTIL 915 PM EDT

* AT 608 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN FROM THUNDERSTORMS OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NAPLES...
  OLDTOWN AND GREENBO LAKE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

EXCESSIVE RAINFALL WILL CAUSE STREAM BANKS TO BECOME UNSTABLE.
UNSTABLE STREAM BANKS CAN FAIL OR BECOME SLIPPERY. PERSONS SHOULD
STAY AWAY FROM STREAM BANKS...SWIFT FLOWING WATER AND CULVERTS. STAY 
AWAY OR BE SWEPT AWAY.

&&

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

LAT...LON 3857 8309 3843 8259 3840 8256 3841 8252
      3833 8219 3831 8220 3820 8233 3834 8278
      3836 8277 3840 8291 3840 8296 3846 8305
      3851 8316

$$

JB
2 follow-up statements
827 
WGUS71 KRLX 302324
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
724 PM EDT SAT JUL 30 2011

KYC019-089-WVC011-099-310115-
/O.CON.KRLX.FF.W.0043.000000T0000Z-110731T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOYD KY-GREENUP KY-CABELL WV-WAYNE WV-
724 PM EDT SAT JUL 30 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR
NORTHWESTERN WAYNE...WEST CENTRAL CABELL...SOUTHERN GREENUP AND BOYD
COUNTIES...

AT 705 PM EDT...EMERGENCY MANAGEMENT OFFICIALS REPORTED A FLASH 
FLOODING NEAR SUMMIT IN BOYD COUNTY. ALL ROADS WERE CLOSED IN A 3 
MILE RADIUS AROUND HATCHERY ROAD. WATER RESCUES WERE TAKING PLACE. 
WHILE THE HEAVY RAIN HAS DIMINISHED IN INTENSITY...WATER WILL 
CONTINUE TO BE HIGH IN FLOODED AREAS.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NAPLES...
OLDTOWN...GREENBO LAKE...CATLETTSBURG...KENOVA AND CEREDO

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.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED 
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

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

&&

LAT...LON 3855 8302 3843 8259 3840 8256 3841 8252
      3837 8238 3831 8236 3823 8243 3834 8277
      3836 8277 3837 8279 3840 8291 3840 8296
      3846 8305

$$

JB
712 
WGUS71 KRLX 310114
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
914 PM EDT SAT JUL 30 2011

KYC019-089-WVC011-099-310123-
/O.EXP.KRLX.FF.W.0043.000000T0000Z-110731T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOYD KY-GREENUP KY-CABELL WV-WAYNE WV-
914 PM EDT SAT JUL 30 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 915 PM EDT FOR NORTHWESTERN
WAYNE...WEST CENTRAL CABELL...SOUTHERN GREENUP AND BOYD COUNTIES...

HEAVY RAIN IS NO LONGER ANTICIPATED...THEREFORE THE FLASH FLOOD
WARNING THAT WAS IN EFFECT HAS BEEN ALLOWED TO EXPIRE. STREAMS AND
CREEKS HAVE BEGUN TO RECEDE AND NO LONGER POSE A FLASH FLOOD THREAT.

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 3855 8302 3843 8259 3840 8256 3841 8252
      3837 8238 3831 8236 3823 8243 3834 8277
      3836 8277 3837 8279 3840 8291 3840 8296
      3846 8305

$$

JB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 4:50 PM EDTFlash Flood WarningRLXLawrence3 hr
Jul 30, 6:05 PM EDTSpecial Weather StatementRLXBoyd55 min
Jul 29, 11:38 PM EDTSpecial Weather StatementRLXDoddridge, Harrison, Lewis, Ritchie52 min
Jul 30, 4:36 AM EDTSpecial Weather StatementRLXWyoming39 min

Nearby

Flash Flood Warnings in Kentucky, 2011Flash Flood Warnings in West Virginia, 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.