Alert archive / West Virginia / Special Weather Statements in 2011
Special Weather Statement, NWS Charleston, WV
NWS Charleston, WV issued this special weather statement at Apr 20, 2011, 5:25 AM EDT for Logan County, McDowell County, Wyoming County, West Virginia; Buchanan County, Dickenson County, Virginia. It was in force for 50 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
- Apr 20, 2011, 5:25 AM EDT (09:25 UTC)
- Expired
- Apr 20, 2011, 6:15 AM EDT
- In force
- 50 min
- Issued by
- NWS Charleston, WV
Counties Buchanan County, VA, Dickenson County, VA, Logan County, WV, McDowell County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 110 km from the middle of the area, began a volume at 09:28 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 00:00Z, 9.4 hours before the alert went out and 284 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
- 1686 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1003 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 387 m²/s²
- 0-3 km storm-relative helicity
- 474 m²/s²
- Significant tornado parameter
- 4.3
- Supercell composite
- 18.7
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Apr 20, 4:35 AM EDT, 50 minutes earlier.
Area forecast discussion, Apr 20, 4:35 AM EDT, 50 minutes before
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</html>Hazardous weather outlook, Apr 20, 5:15 AM EDT, 10 minutes before
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Special weather statement, Apr 20, 2:15 AM EDT, 3 hours 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON WV 215 AM EDT WED APR 20 2011 KYZ101>103-105-OHZ066-067-075-076-083>087-WVZ005>007-009-200715- GREENUP-CARTER-BOYD-LAWRENCE KY-PERRY-MORGAN-ATHENS-WASHINGTON- JACKSON OH-VINTON-MEIGS-GALLIA-LAWRENCE OH-WAYNE-CABELL-MASON- WOOD- INCLUDING THE CITIES OF...FLATWOODS...GREENUP...GRAYSON... OLIVE HILL...ASHLAND...LOUISA...NEW LEXINGTON...CROOKSVILLE... SOMERSET...MCCONNELSVILLE...STOCKPORT...ATHENS...MARIETTA... BELPRE...JACKSON...WELLSTON...OAK HILL...MCARTHUR...HAMDEN... POMEROY...GALLIPOLIS...IRONTON...SOUTH POINT...KENOVA...CEREDO... WAYNE...HUNTINGTON...POINT PLEASANT...NEW HAVEN...PARKERSBURG... VIENNA 215 AM EDT WED APR 20 2011 HERE IS A SPECIAL WEATHER STATEMENT FROM THE NATIONAL WEATHER SERVICE... GUSTY SHOWERS AND THUNDERSTORMS WERE RACING ACROSS OHIO AND KENTUCKY. BETWEEN 3 AND 4 O'CLOCK...THE LEADING EDGE WILL MOVE THROUGH SOUTHEAST OHIO AND NORTHEAST KENTUCKY...REACHING THE OHIO RIVER COUNTIES OF WESTERN WEST VIRGINIA. DUE TO THE FAST FLOW...BRIEF WIND GUSTS OF 40 TO 50 MPH CAN BE ASSOCIATED WITH THE LEADING SHOWERS...IF WOULD NOT EVEN HAVE TO ASSOCIATED WITH A THUNDERSTORM. DUE TO THE WET GROUND...THESE WINDS COULD EASILY CAUSE SOME TREES TO FALL...RESULTING IN SOME POWER OUTAGES. IF ANY PARTICULAR STORM PULSES STRONGER...BRIEF SEVERE WARNINGS WOULD BE POSTED. A TORNADO WATCH IS IN EFFECT FOR THE ENTIRE AREA. KTB
Local storm report, Apr 20, 3:48 AM EDT, 1 hour 37 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 |
|---|---|---|---|---|
| Apr 19, 8:59 PM EDT | Flood Watch | RLX | Barbour, Doddridge, Harrison, Pleasants, Ritchie, Taylor and 2 more | 15 hr |
| Apr 19, 9:40 PM EDT | River Flood Warning | RLX | Harrison | 7 hr |
| Apr 20, 3:11 AM EDT | Severe Thunderstorm Warning | RLX | Jackson, Mason | 64 min |
| Apr 20, 3:58 AM EDT | Special Weather Statement | RLX | Cabell, Lincoln, Putnam, Wayne | 32 min |
| Apr 20, 4:15 AM EDT | Special Weather Statement | RLX | Wood | 30 min |
| Apr 20, 2:41 AM EDT | Severe Thunderstorm Warning | RLX | Perry | 34 min |
| Apr 20, 2:51 AM EDT | Severe Thunderstorm Warning | RLX | Athens, Jackson, Morgan, Perry, Vinton, Washington | 54 min |
Nearby
Special Weather Statements in West Virginia, 2011Special Weather Statements in Virginia, 2011Every special weather statement 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.