Alert archive / Virginia / Special Weather Statements in 2015

Special Weather Statement, NWS Blacksburg, VA

June 30, 2015Halifax County, Virginia

NWS Blacksburg, VA issued this special weather statement at Jun 30, 2015, 7:49 PM EDT for Halifax County, Virginia. It was in force for 26 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: Jun 30, 2015, 7:49 PM EDT (23:49 UTC)
Expired: Jun 30, 2015, 8:15 PM EDT
In force: 26 min
Issued by: NWS Blacksburg, VA

County Halifax County, VA

The radar

The Roanoke radar (KFCX), 122 km from the middle of the area, began a volume at 23:49 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 69 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: 24 J/kg
Mixed-layer CIN: -229 J/kg
Mixed-layer LCL: 983 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 38 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 Jun 30, 7:12 PM EDT, 37 minutes earlier.

Area forecast discussion, Jun 30, 7:12 PM EDT, 37 minutes before

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Hazardous weather outlook, Jun 30, 3:47 PM EDT, 4 hours 2 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
347 PM EDT TUE JUN 30 2015

NCZ001-002-018-VAZ007-009>020-022>024-WVZ042>044-507-508-012000-
ASHE-ALLEGHANY NC-WATAUGA-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-
MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-
BOTETOURT-ROCKBRIDGE-MERCER-SUMMERS-MONROE-EASTERN GREENBRIER-
WESTERN GREENBRIER-
347 PM EDT TUE JUN 30 2015

...SEVERE THUNDERSTORM WATCH 377 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

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

   SEVERE THUNDERSTORM WATCH.

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

SCATTERED THUNDERSTORMS ARE EXPECTED AGAIN ON WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING. STRONG WIND GUSTS WILL BE THE PRIMARY
THREAT.

NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED THURSDAY AND
THURSDAY NIGHT. HEAVY RAIN IS POSSIBLE WHICH MAY PRODUCE
LOCALIZED FLOODING.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
 CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

NCZ003>006-019-020-VAZ032>035-043>047-058-059-012000-
SURRY-STOKES-ROCKINGHAM-CASWELL-WILKES-YADKIN-PATRICK-FRANKLIN-
BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-
HALIFAX-CHARLOTTE-
347 PM EDT TUE JUN 30 2015

...SEVERE THUNDERSTORM WATCH 377 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

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

   SEVERE THUNDERSTORM WATCH.

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

NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED THURSDAY AND
THURSDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
 CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Jun 30, 7:20 PM EDT, 29 minutes before

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Special weather statement, Jun 30, 7:30 PM EDT, 19 minutes before

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Special weather statement, Jun 30, 7:32 PM EDT, 17 minutes before

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Local storm report, Jun 30, 7:35 PM EDT, 14 minutes before

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Special weather statement, Jun 30, 7:44 PM EDT, 5 minutes before

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Special weather statement, Jun 30, 7:49 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
Jun 30, 3:16 PM EDT	Special Weather Statement	RNK	City of Galax	29 min
Jun 30, 3:41 PM EDT	Special Weather Statement	RNK	Craig	34 min
Jun 30, 3:46 PM EDT	Special Weather Statement	RNK	Carroll	29 min
Jun 30, 3:53 PM EDT	Special Weather Statement	RNK	City of Salem	37 min
Jun 30, 4:20 PM EDT	Special Weather Statement	RNK	City of Galax	25 min
Jun 30, 4:46 PM EDT	Special Weather Statement	RNK	Carroll, City of Galax	29 min
Jun 30, 4:49 PM EDT	Special Weather Statement	RNK	Halifax	26 min
Jun 30, 5:02 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte	28 min
Jun 30, 5:11 PM EDT	Special Weather Statement	RNK	Franklin	49 min
Jun 30, 6:49 PM EDT	Special Weather Statement	RNK	City of Martinsville	41 min
Jun 30, 7:09 PM EDT	Special Weather Statement	RNK	Halifax	36 min
Jun 30, 7:30 PM EDT	Special Weather Statement	RNK	City of Covington	30 min
Jun 30, 7:58 PM EDT	Special Weather Statement	RNK	Alleghany	32 min
Jun 30, 2:44 PM EDT	Special Weather Statement	RNK	Alleghany	31 min
Jun 30, 3:45 PM EDT	Special Weather Statement	RNK	Alleghany	30 min
Jun 30, 4:31 PM EDT	Special Weather Statement	RNK	Person	29 min
Jun 30, 4:33 PM EDT	Special Weather Statement	RNK	Caswell	12 min
Jun 30, 5:28 PM EDT	Special Weather Statement	RNK	Stokes	32 min
Jun 30, 5:37 PM EDT	Special Weather Statement	RNK	Yadkin	23 min
Jun 30, 6:11 PM EDT	Special Weather Statement	RNK	Yadkin	34 min
Jun 30, 6:26 PM EDT	Severe Thunderstorm Warning	RNK	Caswell, Rockingham	45 min
Jun 30, 6:36 PM EDT	Special Weather Statement	RNK	Greenbrier, Summers	54 min
Jun 30, 7:32 PM EDT	Special Weather Statement	RNK	Greenbrier	28 min
Jun 30, 7:44 PM EDT	Special Weather Statement	RNK	Greenbrier	46 min

Nearby

Special Weather Statements in Virginia, 2015 Every special weather statement 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.