Alert archive / West Virginia / Flash Flood Watches in 2009
Flash Flood Watch 2, NWS Charleston, WV
NWS Charleston, WV issued this flash flood watch at Jun 3, 2009, 11:52 AM EDT for 28 counties in West Virginia; Gallia County, Lawrence County, Meigs County, Ohio; 4 counties in Kentucky. It took effect at Jun 3, 2009, 12:00 PM EDT. It was in force for 46 hr.
The area
The counties it named.
The facts
- Issued
- Jun 3, 2009, 11:52 AM EDT (15:52 UTC)
- In effect from
- Jun 3, 2009, 12:00 PM EDT
- Expired
- Jun 5, 2009, 10:00 AM EDT
- In force
- 46 hr
- Issued by
- NWS Charleston, WV
- Flood severity
- None
All 35 counties
Boyd County, KY, Carter County, KY, Greenup County, KY, Lawrence County, KY, Gallia County, OH, Lawrence County, OH, Meigs County, OH, Barbour County, WV, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, McDowell County, WV, Mingo County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Wayne County, WV, Wirt County, WV, Wood County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 40 km from the middle of the area, began a volume at 15:56 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, 3.9 hours before the alert went out and 214 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
- 80 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 691 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Charleston, WV wrote its last area forecast discussion before this flash flood watch went out at Jun 3, 9:49 AM EDT, 2 hours 3 minutes earlier.
Area forecast discussion, Jun 3, 9:49 AM EDT, 2 hours 3 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHARLESTON WV 949 AM EDT WED JUN 3 2009 .SYNOPSIS... FRONT PUSHES SLOWLY SOUTHWARD THROUGH OUR REGION TODAY...STALLING WEDNESDAY NIGHT AND THURSDAY AS A WAVE MOVES ALONG THE FRONT. THE SYSTEM MOVES OFF TO THE EAST FRIDAY. HIGH PRESSURE SATURDAY. && .NEAR TERM /THROUGH TONIGHT/... AREA OF SHOWERS SLIDING ACROSS CENTRAL PORTIONS OF THE FORECAST AREA THIS MORNING CONTINUE TO GRADUALLY DISSIPATE. ISSUED QUICK UPDATE TO POPS...SKY...AND WX GRIDS SINCE THIS PRECIP SLID A LITTLE FURTHER SOUTH AND EAST. SAT AND RADAR IMAGERY INDICATE THAT FRONT HAS STARTED A SOUTHERLY PUSH AS HAD BEEN EXPECTED HAS BEGUN. AREAS SOUTH OF THIS BOUNDARY WILL LIKELY SEE BEST CHANCES FOR SEVERE WEATHER AS DAYTIME HEATING KICKS IN WHERE SOME STORMS MAY REACH SEVERE LIMITS. REST OF FCST UNCHANGED. ..PREVIOUS DISC BELOW... FRONTAL BOUNDARY REMAINS NORTH AND WEST OF THE AREA AT THIS TIME...FROM HLG TO ZZV TO CVG. THIS LEAVES THE REGION IN THE WARM SECTOR AT THE MOMENT. INITIAL AREA OF SHOWERS FROM COMPLEX TO THE WEST SEEMS TO BE FALLING APART AS IT REACHES THE OHIO RIVER SO HAVE TAPERED BACK THE POPS AT THE START OF THE PERIOD WITH THIS FEATURE. BUT STILL SEEING SOME CONVECTION FORM OVER EAST CENTRAL KY...ON TAIL END OF THE OUTFLOW BOUNDARY FROM EARLIER CONVECTION. THIS CONVECTION APPEARS TO BE WEAKENING AS IT SLIDES NE IN TO ATMOSPHERE THAT HAS BEEN WORKED OVER ALREADY...SO EXPECT THAT WHILE THIS DAMPEN OUT BEFORE REACH THE COAL FIELDS OF WV. LATER ON THIS MORNING...SHOULD BEGIN TO SEE THE FRONT EDGE SOUTHWARD TODAY. AS IT DOES...INITIAL WILL SEE SHOWERS ON THE ANAFRONT SIDE AS THE SFC FRONT SETTLES SOUTHWARD AHEAD OF THE 850 MB FRONT. HOWEVER...AS THE FRONT MOVES INTO ERN KY AND SRN PORTIONS OF WV WHERE MORE DAY TIME HEATING WILL BE BOOSTING THE INSTABILITY...MORE STRONG STORMS ARE EXPECTED. AGAIN SOME OF THESE STORMS WILL BE SEVERE. FOR TEMPERATURES DID NOT MAKE MANY CHANGES AS UNCERTAINTY ABOUNDS DUE TO THE FRONTAL POSITION AND SKY COVER. IF IT DOES REACH UP INTO THE LOW 80S BEFORE THE CONVECTION. BY 00Z TONIGHT...THE FRONT SHOULD BE THROUGH MOST AREAS AND THE STRONGER STORMS THROUGH. BUT THE NEXT WAVE OF LOW PRESSURE WILL BEGIN TO TRACK NE WHICH WILL PUSH MORE MID LEVEL MOISTURE BACK OVER THE FRONT. THIS WILL ALLOW MORE RAIN TO DEVELOP OVERNIGHT...MAINLY BEYOND 6Z. FOR TEMPERATURES...AGAIN DEVIATED LITTLE FROM GUIDANCE DUE TO THE UNCERTAIN FROM CLOUDS AND PCPN. && .SHORT TERM /THURSDAY THROUGH SATURDAY NIGHT/... MODELS SHOW A WAVE MOVING ALONG THE FRONT ON THURSDAY...PROVIDING A DECENT SWATH OF PRECIPITATION. WILL INCREASE POPS ACCORDINGLY. THE SYSTEM THEN PULLS OFF TO THE EAST THURSDAY NIGHT AND FRIDAY...WITH SOME TIMING DIFFERENCES BETWEEN THE MODELS. WILL USE A BLEND OF THE MODELS FOR NOW. HIGH PRESSURE THEN BUILDS IN ON SATURDAY...PROVIDING DRY WEATHER. && .LONG TERM /SUNDAY THROUGH TUESDAY/... BY FRIDAY THE FRONT WILL BE SOUTH OF THE AREA WITH A RIDGE BUILDING INTO THE CWA THROUGH SATURDAY. ON SUNDAY AND MONDAY THE UNSETTLED WEATHER MAKES A RETURN AS WE GET IN THE PERIPHERY OF THE WESTERLIES RIDING OVER THE TOP OF THE RIDGE. STAYED CLOSED TO HPC GUIDANCE THROUGH THIS PERIOD. && .AVIATION /14Z WEDNESDAY THROUGH SUNDAY/... FRONTAL BOUNDARY REMAINS NORTH AND WEST OF THE AREA...BUT IT WILL BEGIN TO SLIDE SOUTH LATER TODAY. AHEAD OF THE FRONT...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE TO FLOW NE ACROSS THE AREA FROM KY INTO WV. THIS FIRST AREA WILL TRACK ACROSS HTS AND SHOULD REACH PKB BETWEEN 13Z AND 14Z. EXPECT SOME MVFR CONDITIONS WITH THIS AREA OF SHOWERS. THE FRONT SHOULD THEN BEGIN TO MOVE SOUTH AND AS IT DOES...MORE SHOWERS AND THUNDERSTORMS WILL DEVELOP AND EVENTUALLY SWEEP ACROSS THE AREA AS THE FRONT PASSES. EXPECT MVFR TO IFR CONDITIONS IN THE SHOWERS...ELSEWHERE VFR WILL PREVAIL. BEHIND THE FRONT THE CEILINGS WILL DROP DOWN TO MVFR LEVELS AS THE NRN FLOW INTERACT WITH THE LINGER LOW LEVEL MOISTURE. THE NEXT SFC WAVE WILL DEVELOP AND LIFT NORTHEAST ALONG THE FRONT. THIS WILL REINTRODUCE RAIN TO THE AREA WITH MVFR TO IFR VISIBILITIES. AVIATION OUTLOOK /BEYOND 12Z THURSDAY/... POSSIBLE IFR IN SHOWERS AND THUNDERSTORMS WEDNESDAY NIGHT THROUGH THURSDAY NIGHT. && .HYDROLOGY... THUNDERSTORMS WEDNESDAY INTO THURSDAY WILL CONTAIN SOME DOWNPOURS...WHICH COULD LEAD TO LOCALIZED FLOODING PROBLEMS... INCLUDING PONDING ON STREETS...AND FILLING OF CULVERTS AND OTHER POOR DRAINAGE AREAS. && .RLX WATCHES/WARNINGS/ADVISORIES... WV...NONE. OH...NONE. KY...NONE. VA...NONE. && SYNOPSIS...ESS/RPY NEAR TERM...KMC/ESS SHORT TERM...RPY LONG TERM...JMV/TJT AVIATION...ESS HYDROLOGY...
Hazardous weather outlook, Jun 3, 4:53 AM EDT, 6 hours 59 minutes before
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</html>In the hours before
Local storm report, Jun 3, 8:30 AM EDT, 3 hours 22 minutes before
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</html>Local storm report, Jun 3, 10:16 AM EDT, 1 hour 36 minutes before
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</html>Local storm report, Jun 3, 10:16 AM EDT, 1 hour 36 minutes before
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</html>Local storm report, Jun 3, 10:20 AM EDT, 1 hour 32 minutes before
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</html>The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 9:08 PM EDT | Severe Thunderstorm Warning | RLX | McDowell, Wyoming | 37 min |
| Jun 3, 2:06 PM EDT | Severe Thunderstorm Warning | RLX | Boone, Kanawha, Lincoln | 24 min |
| Jun 3, 3:17 PM EDT | Severe Thunderstorm Warning | RLX | McDowell | 43 min |
| Jun 3, 5:06 PM EDT | Severe Thunderstorm Warning | RLX | Randolph | 39 min |
Nearby
Flash Flood Watches in West Virginia, 2009Flash Flood Watches in Kentucky, 2009Flash Flood Watches in Ohio, 2009Every flash flood watch in 2009
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.