Alert archive / North Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 123, NWS Blacksburg, VA

August 5, 2015Rockingham County, Stokes County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Aug 5, 2015, 8:54 PM EDT for Rockingham County, Stokes County, North Carolina. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 5, 2015, 8:54 PM EDT (00:54 UTC)
Expired: Aug 5, 2015, 9:38 PM EDT
In force: 44 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Rockingham County, NC, Stokes County, NC

The radar

The Roanoke radar (KFCX), 73 km from the middle of the area, began a volume at 00:57 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.9 hours before the alert went out and 37 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: 351 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 2387 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 20 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Blacksburg, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 5, 7:29 PM EDT, 1 hour 25 minutes earlier.

Area forecast discussion, Aug 5, 7:29 PM EDT, 1 hour 25 minutes before

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Hazardous weather outlook, Aug 5, 4:04 PM EDT, 4 hours 50 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
404 PM EDT WED AUG 5 2015

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-062015-
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES-
YADKIN-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON-
CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
PATRICK-FRANKLIN-BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-
APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-MERCER-SUMMERS-MONROE-
EASTERN GREENBRIER-WESTERN GREENBRIER-
404 PM EDT WED AUG 5 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH
CENTRAL VIRGINIA...SOUTHWEST VIRGINIA...WEST CENTRAL VIRGINIA AND
SOUTHEAST WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

WIDESPREAD RAINFALL IS EXPECTED THURSDAY THROUGH EARLY FRIDAY
MORNING. LOCALLY HEAVY RAINFALL IS POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Aug 5, 8:18 PM EDT, 36 minutes before

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Special weather statement, Aug 5, 8:19 PM EDT, 35 minutes before

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Local storm report, Aug 5, 8:22 PM EDT, 32 minutes before

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Special weather statement, Aug 5, 8:38 PM EDT, 16 minutes before

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Local storm report, Aug 5, 8:47 PM EDT, 7 minutes before

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Local storm report, Aug 5, 8:52 PM EDT, 2 minutes before

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The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 5, 8:19 PM EDT	Special Weather Statement	RNK	Bland	26 min
Aug 5, 8:38 PM EDT	Special Weather Statement	RNK	Bland	37 min
Aug 5, 9:21 PM EDT	Special Weather Statement	RNK	Henry	24 min
Aug 5, 9:30 PM EDT	Special Weather Statement	RNK	City of Martinsville	30 min
Aug 5, 10:07 PM EDT	Special Weather Statement	RNK	Floyd, Montgomery	38 min
Aug 5, 10:16 PM EDT	Special Weather Statement	RNK	Pittsylvania, City of Danville	59 min
Aug 5, 10:42 PM EDT	Special Weather Statement	RNK	Halifax	63 min
Aug 5, 11:31 PM EDT	Special Weather Statement	RNK	Campbell	59 min
Aug 6, 12:00 AM EDT	Special Weather Statement	RNK	Charlotte, Halifax	60 min
Aug 6, 6:46 PM EDT	Special Weather Statement	RNK	Floyd	29 min
Aug 6, 7:26 PM EDT	Special Weather Statement	RNK	Pulaski	34 min
Aug 6, 6:15 PM EDT	Special Weather Statement	RNK	Wilkes	30 min
Aug 6, 6:56 PM EDT	Special Weather Statement	RNK	Surry	34 min
Aug 6, 7:42 PM EDT	Special Weather Statement	RNK	Rockingham	33 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2015 Every severe thunderstorm warning in 2015

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.