Alert archive / Virginia / Special Weather Statements in 2013

Special Weather Statement, NWS Blacksburg, VA

July 16, 2013Craig County, Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 16, 2013, 7:13 PM EDT for Craig County, Virginia. It was in force for 62 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 16, 2013, 7:13 PM EDT (23:13 UTC)
Expired: Jul 16, 2013, 8:15 PM EDT
In force: 62 min
Issued by: NWS Blacksburg, VA

County Craig County, VA

The radar

The Roanoke radar (KFCX), 40 km from the middle of the area, began a volume at 23:16 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 12:00Z, 11.2 hours before the alert went out and 149 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: 421 J/kg
Mixed-layer CIN: -164 J/kg
Mixed-layer LCL: 1226 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 44 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 Blacksburg, VA wrote its last area forecast discussion before this special weather statement went out at Jul 16, 6:59 PM EDT, 14 minutes earlier.

Area forecast discussion, Jul 16, 6:59 PM EDT, 14 minutes before

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Hazardous weather outlook, Jul 16, 3:42 PM EDT, 3 hours 31 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
342 PM EDT TUE JUL 16 2013

NCZ004>006-VAZ043>047-058-059-171945-
STOKES-ROCKINGHAM-CASWELL-HENRY-PITTSYLVANIA-CAMPBELL-APPOMATTOX-
BUCKINGHAM-HALIFAX-CHARLOTTE-
342 PM EDT TUE JUL 16 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...CENTRAL VIRGINIA AND SOUTH CENTRAL VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE INTO THIS
EVENING WITH THE MAIN THREAT BEING DAMAGING WIND GUSTS. HEAT INDEX
VALUES WILL ALSO REMAIN AROUND 100 DEGREES THROUGH LATE THIS
AFTERNOON.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

TEMPERATURES IN THE LOWER TO MID 90S COMBINED WITH HIGH HUMIDITY
WILL AGAIN RESULT IN HEAT INDEX VALUES AROUND 100 DEGREES FOR A
FEW HOURS WEDNESDAY AFTERNOON.

IN ADDITION...THUNDERSTORMS WILL BECOME MORE WIDESPREAD OVER THE
WEEKEND WITH THE THREAT FOR VERY HEAVY RAINFALL ALONG WITH
POTENTIAL SEVERE STORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ001>003-018>020-VAZ007-009>020-022>024-032>035-WVZ042>045-171945-
ASHE-ALLEGHANY NC-SURRY-WATAUGA-WILKES-YADKIN-TAZEWELL-SMYTH-BLAND-
GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-
ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-
BEDFORD-AMHERST-MERCER-SUMMERS-MONROE-GREENBRIER-
342 PM EDT TUE JUL 16 2013

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.

ANY THUNDERSTORMS INTO EARLY EVENING WILL BE SLOW MOVERS AND
COULD BRING ABOUT LOCALIZED FLOODING...AND POSSIBLY FLASH
FLOODING. IN ADDITION...A FEW STORMS MAY BECOME STRONG TO SEVERE
WITH THE THREAT FOR DAMAGING WIND GUSTS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

A FEW THUNDERSTORMS WEDNESDAY AFTERNOON COULD BRING ISOLATED
DAMAGING WINDS. SLOW MOVING STORMS COULD PRODUCE HEAVY RAINFALL.

THUNDERSTORMS WILL BECOME MORE WIDESPREAD OVER THE WEEKEND WITH THE
CONTINUED THREAT FOR VERY HEAVY RAINFALL ALONG WITH ISOLATED SEVERE
STORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jul 16, 6:05 PM EDT, 1 hour 8 minutes before

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Local storm report, Jul 16, 6:08 PM EDT, 1 hour 5 minutes before

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Local storm report, Jul 16, 6:36 PM EDT, 37 minutes before

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Local storm report, Jul 16, 6:38 PM EDT, 35 minutes before

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Local storm report, Jul 16, 6:42 PM EDT, 31 minutes before

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Special weather statement, Jul 16, 7:13 PM EDT, 0 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
Jul 16, 2:43 PM EDT	Special Weather Statement	RNK	Bath	62 min
Jul 16, 2:45 PM EDT	Special Weather Statement	RNK	Buckingham	60 min
Jul 16, 3:20 PM EDT	Special Weather Statement	RNK	Appomattox	55 min
Jul 16, 3:46 PM EDT	Special Weather Statement	RNK	Bath	59 min
Jul 16, 4:09 PM EDT	Special Weather Statement	RNK	Rockbridge, City of Buena Vista, City of Lexington	66 min
Jul 16, 4:26 PM EDT	Special Weather Statement	RNK	Alleghany, City of Covington	64 min
Jul 16, 4:37 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Botetourt, City of Covington	53 min
Jul 16, 4:41 PM EDT	Severe Thunderstorm Warning	RNK	Rockbridge, City of Buena Vista, City of Lexington	64 min
Jul 16, 5:01 PM EDT	Special Weather Statement	RNK	Bath	59 min
Jul 16, 5:10 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt	50 min
Jul 16, 5:41 PM EDT	Severe Thunderstorm Warning	RNK	Franklin	64 min
Jul 16, 5:48 PM EDT	Special Weather Statement	RNK	Botetourt	42 min
Jul 16, 6:08 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt, Roanoke, City of Roanoke, City of Salem	67 min
Jul 16, 3:56 PM EDT	Special Weather Statement	RNK	Yadkin	64 min
Jul 16, 4:57 PM EDT	Special Weather Statement	RNK	Surry	63 min
Jul 16, 7:47 PM EDT	Special Weather Statement	RNK	Ashe	58 min
Jul 16, 4:47 PM EDT	Special Weather Statement	RNK	Greenbrier	58 min
Jul 16, 6:05 PM EDT	Special Weather Statement	RNK	Greenbrier	55 min
Jul 16, 6:55 PM EDT	Severe Thunderstorm Warning	RNK	Greenbrier	35 min

Nearby

Special Weather Statements in Virginia, 2013 Every special weather statement in 2013

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.