Alert archive / West Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Charleston, WV

July 24, 2011Calhoun County, West Virginia

NWS Charleston, WV issued this special weather statement at Jul 24, 2011, 7:50 PM EDT for Calhoun County, West Virginia. It was in force for 25 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: Jul 24, 2011, 7:50 PM EDT (23:50 UTC)
Expired: Jul 24, 2011, 8:15 PM EDT
In force: 25 min
Issued by: NWS Charleston, WV

County Calhoun County, WV

The radar

The Charleston,WV radar (KRLX), 79 km from the middle of the area, began a volume at 23:50 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

Roanoke, VA (KRNK), launched 12:00Z, 11.8 hours before the alert went out and 210 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1079 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 764 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -81 m²/s²
0-3 km storm-relative helicity: -34 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.

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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 Jul 24, 7:03 PM EDT, 47 minutes earlier.

Area forecast discussion, Jul 24, 7:03 PM EDT, 47 minutes before

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Hazardous weather outlook, Jul 24, 2:49 PM EDT, 5 hours 1 minute before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON WV
249 PM EDT SUN JUL 24 2011

VAZ003-004-WVZ027-028-030>040-046-047-251900-
DICKENSON-BUCHANAN-CLAY-BRAXTON-LEWIS-HARRISON-TAYLOR-MCDOWELL-
WYOMING-RALEIGH-FAYETTE-NICHOLAS-WEBSTER-UPSHUR-BARBOUR-POCAHONTAS-
RANDOLPH-
249 PM EDT SUN JUL 24 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST VIRGINIA...CENTRAL
WEST VIRGINIA...NORTHERN WEST VIRGINIA AND SOUTHERN WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

KYZ101>103-105-OHZ066-067-075-076-083>087-WVZ005>011-013>020-024>026-
029-251900-
GREENUP-CARTER-BOYD-LAWRENCE-PERRY-MORGAN-ATHENS-WASHINGTON-JACKSON-
VINTON-MEIGS-GALLIA-WAYNE-CABELL-MASON-WOOD-PLEASANTS-TYLER-LINCOLN-
PUTNAM-KANAWHA-ROANE-WIRT-CALHOUN-RITCHIE-DODDRIDGE-MINGO-LOGAN-
BOONE-GILMER-
249 PM EDT SUN JUL 24 2011

...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST
KENTUCKY...SOUTHEAST OHIO AND MUCH OF WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   HEAT ADVISORY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jul 24, 4:00 PM EDT, 3 hours 50 minutes before

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Special weather statement, Jul 24, 4:23 PM EDT, 3 hours 27 minutes before

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Special weather statement, Jul 24, 6:55 PM EDT, 55 minutes before

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Special weather statement, Jul 24, 7:05 PM EDT, 45 minutes before

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Special weather statement, Jul 24, 7:07 PM EDT, 43 minutes before

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Special weather statement, Jul 24, 7:50 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 6:58 AM EDT	Special Weather Statement	RLX	Barbour	62 min
Jul 24, 7:38 AM EDT	Flash Flood Warning	RLX	Barbour	3 hr
Jul 24, 8:06 AM EDT	Flash Flood Warning	RLX	Randolph	3 hr
Jul 24, 4:00 PM EDT	Special Weather Statement	RLX	Putnam	30 min
Jul 24, 4:23 PM EDT	Special Weather Statement	RLX	Kanawha	37 min
Jul 24, 7:05 PM EDT	Special Weather Statement	RLX	Lincoln	25 min
Jul 24, 7:07 PM EDT	Special Weather Statement	RLX	Lincoln	23 min
Jul 24, 6:55 PM EDT	Special Weather Statement	RLX	Perry	65 min

Nearby

Special Weather Statements in West Virginia, 2011 Every 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.