Alert archive / Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Blacksburg, VA

May 27, 2011Rockbridge County, City of Buena Vista, City of Lexington, Virginia

NWS Blacksburg, VA issued this special weather statement at May 27, 2011, 1:13 AM EDT for Rockbridge County, City of Buena Vista, City of Lexington, Virginia. It was in force for 17 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: May 27, 2011, 1:13 AM EDT (05:13 UTC)
Expired: May 27, 2011, 1:30 AM EDT
In force: 17 min
Issued by: NWS Blacksburg, VA

Counties City of Buena Vista, VA, City of Lexington, VA, Rockbridge County, VA

The radar

The Roanoke radar (KFCX), 129 km from the middle of the area, began a volume at 05:14 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 00:00Z, 5.2 hours before the alert went out and 75 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: 278 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1807 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 176 m²/s²
0-3 km storm-relative helicity: 254 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 4.8

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 May 27, 1:12 AM EDT, 1 minute earlier.

Area forecast discussion, May 27, 1:12 AM EDT, 1 minute before

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Hazardous weather outlook, May 26, 11:41 PM EDT, 1 hour 32 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE BLACKSBURG VA
1141 PM EDT THU MAY 26 2011

NCZ004-VAZ033>035-043-280345-
STOKES-FRANKLIN-BEDFORD-AMHERST-HENRY-
1141 PM EDT THU MAY 26 2011

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

.DAY ONE...TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH TONIGHT.
THE PRIMARY THREATS FROM ANY STORMS THAT BECOME SEVERE WILL BE
DAMAGING WINDS AND HAIL. HEAVY RAIN IS ALSO LIKELY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ001>003-018>020-VAZ007-009>020-022>024-032-WVZ042>045-280345-
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-MERCER-
SUMMERS-MONROE-GREENBRIER-
1141 PM EDT THU MAY 26 2011

...SEVERE THUNDERSTORM WATCH 381 IN EFFECT UNTIL 1 AM EDT FRIDAY...

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

.DAY ONE...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...FRIDAY THROUGH WEDNESDAY.

THUNDERSTORMS WITH HEAVY RAIN ARE EXPECTED ON FRIDAY...RESULTING IN
A THREAT FOR FLASH FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ005-006-VAZ044>047-058-059-280345-
ROCKINGHAM-CASWELL-PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-
HALIFAX-CHARLOTTE-
1141 PM EDT THU MAY 26 2011

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

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

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, May 27, 12:09 AM EDT, 1 hour 4 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1209 AM EDT FRI MAY 27 2011

VAZ014-017-022-023-033-034-043>045-270445-
BEDFORD VA-BOTETOURT VA-CAMPBELL VA-FLOYD VA-FRANKLIN VA-HENRY VA-
MONTGOMERY VA-PITTSYLVANIA VA-ROANOKE VA-
1209 AM EDT FRI MAY 27 2011

...A LINE OF THUNDERSTORMS WILL AFFECT PORTIONS OF SOUTHWEST VIRGINA
THROUGH EARLY MORNING...

AT 1206 AM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM PILOT TO
6 MILES NORTHWEST OF FERRUM TO 4 MILES SOUTHWEST OF SYDNORSVILLE TO 4
MILES EAST OF MARTINSVILLE CITY...MOVING NORTHEAST AT 50 MPH.

WIND GUSTS TO 50 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THESE
STORMS. VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE
WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL
STREAMS.

THESE STORMS WILL BE NEAR SHAWSVILLE...SANDY RIVER...MOUNTAIN
VALLEY...AND SONTAG AROUND 1215 AM...ELLISTON-LAFAYETTE...ELLISTON...
WESTERN SMITH MOUNTAIN LAKE...AND BENT MOUNTAIN AROUND 1220 AM...
GLENVAR AND AND ROANOKE MOUNTAIN AROUND 1225 AM.

THE PUBLIC IS ENCOURAGED TO RELAY REPORTS OF STRONG WINDS...HAIL OR
FLOODING TO THE NATIONAL WEATHER SERVICE IN BLACKSBURG BY CALLING
1...8 6 6...2 1 5...4 3 2 4...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3758 7983 3749 7945 3735 7928 3710 7912
      3655 7979 3680 7996 3694 8013 3703 8050

WP

Local storm report, May 27, 12:14 AM EDT, 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1214 AM EDT FRI MAY 27 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1205 AM     TSTM WND DMG     5 SSE BASSETT           36.70N 79.94W
05/27/2011                   HENRY              VA   FIRE DEPT/RESCUE

            TREE FELL ONTO POWER LINES.

&&

MATTAROCHIA

Local storm report, May 27, 12:27 AM EDT, 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1227 AM EDT FRI MAY 27 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1205 PM     TSTM WND DMG     RIDGEWAY                36.58N 79.87W
05/26/2011                   HENRY              VA   PUBLIC

            MULTIPLE TREES DOWN IN ROADWAYS.

&&

CHENARD

Local storm report, May 27, 12:39 AM EDT, 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1239 AM EDT FRI MAY 27 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1230 AM     TSTM WND GST     2 WNW STEWARTSVILLE     37.28N 79.84W
05/27/2011  M60 MPH          BEDFORD            VA   TRAINED SPOTTER

&&

WHP

Local storm report, May 27, 1:02 AM EDT, 11 minutes before

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Special weather statement, May 27, 1:13 AM 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
May 26, 8:03 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Pulaski, Wythe, City of Galax	42 min
May 26, 8:12 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Carroll, Grayson, Pulaski, Wythe	48 min
May 26, 8:15 PM EDT	Severe Thunderstorm Warning	RNK	Craig, Giles, Pulaski	44 min
May 26, 8:16 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Grayson, City of Galax	59 min
May 26, 8:43 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Floyd, Montgomery, Pulaski, Wythe, City of Radford	62 min
May 26, 8:57 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Botetourt, Craig, Montgomery, Roanoke, City of Covington and 2 more	63 min
May 26, 9:04 PM EDT	Flash Flood Warning	RNK	Carroll, Floyd, Grayson, Pulaski, Wythe, City of Galax	4 hr
May 26, 9:15 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Grayson, City of Galax	60 min
May 26, 9:38 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Patrick	67 min
May 26, 10:17 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Floyd, Grayson, Montgomery, Pulaski, Wythe and 2 more	58 min
May 26, 10:25 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Bath, Botetourt, City of Covington	48 min
May 26, 10:36 PM EDT	Flash Flood Warning	RNK	Alleghany, Bath, Botetourt, Craig, Floyd, Giles and 5 more	6 hr
May 26, 10:52 PM EDT	Severe Thunderstorm Warning	RNK	Henry, Patrick	53 min
May 26, 10:58 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Floyd, Franklin, Henry, Patrick	62 min
May 27, 12:09 AM EDT	Special Weather Statement	RNK	Bedford, Botetourt, Franklin, City of Martinsville, City of Roanoke, City of Salem	36 min
May 27, 12:13 AM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford, Botetourt, Campbell, Franklin, Pittsylvania and 2 more	47 min
May 27, 12:40 AM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Bath, Bedford, Botetourt, Roanoke, Rockbridge	50 min
May 27, 6:08 AM EDT	Flash Flood Watch	RNK	Alleghany, Bath, Bland, Carroll, Craig, Floyd and 8 more	16 hr
May 27, 1:21 PM EDT	Special Weather Statement	RNK	Charlotte, Halifax	54 min
May 27, 2:18 PM EDT	Severe Thunderstorm Warning	RNK	Franklin, Henry, Pittsylvania, City of Danville, City of Martinsville	57 min
May 27, 2:54 PM EDT	Areal Flood Advisory	RNK	City of Danville	3 hr
May 27, 3:15 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Bedford, Campbell, Charlotte, Halifax, Pittsylvania and 1 more	60 min
May 27, 3:52 PM EDT	Areal Flood Advisory	RNK	City of Lynchburg	3 hr
May 26, 9:17 PM EDT	Severe Thunderstorm Warning	RNK	Wilkes	48 min

Nearby

Special Weather Statements in 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.