Alert archive / Virginia / Special Weather Statements in 2011
Special Weather Statement, NWS Blacksburg, VA
NWS Blacksburg, VA issued this special weather statement at Mar 10, 2011, 1:56 PM EST for Campbell County, Pittsylvania County, City of Danville, Virginia; Caswell County, North Carolina. It was in force for 64 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
- Mar 10, 2011, 1:56 PM EST (18:56 UTC)
- Expired
- Mar 10, 2011, 3:00 PM EST
- In force
- 64 min
- Issued by
- NWS Blacksburg, VA
Counties Caswell County, NC, Campbell County, VA, City of Danville, VA, Pittsylvania County, VA
The radar
The Roanoke radar (KFCX), 84 km from the middle of the area, began a volume at 18:59 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, 6.9 hours before the alert went out and 28 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.
- Mixed-layer CAPE
- 8 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 486 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Mar 10, 12:22 PM EST, 1 hour 34 minutes earlier.
Area forecast discussion, Mar 10, 12:22 PM EST, 1 hour 34 minutes before
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</html>Hazardous weather outlook, Mar 10, 9:45 AM EST, 4 hours 11 minutes before
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Special weather statement, Mar 10, 9:59 AM EST, 3 hours 57 minutes before
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</html>Special weather statement, Mar 10, 12:15 PM EST, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 1215 PM EST THU MAR 10 2011 VAZ016-017-032-101930- CARROLL-FLOYD-PATRICK- INCLUDING THE CITIES OF...GALAX...FLOYD...STUART 1215 PM EST THU MAR 10 2011 ...AREAS OF DENSE FOG AND LOW CLOUDS EARLY THIS AFTERNOON... LOW CLOUDS AND AREAS OF LOCALLY DENSE FOG WERE FOUND ACROSS PORTIONS OF THE SOUTHERN BLUE RIDGE MOUNTAINS...INCLUDING SPOTS ALONG INTERSTATE 77 THIS MORNING. VISIBILITIES OF A QUARTER MILE OR LESS WILL BE POSSIBLE IN AREAS AT TIMES. USE CAUTION WHEN OUT TRAVELING...AND BE ALERT FOR POSSIBLE RAPID REDUCTIONS IN VISIBILITY. INTERSTATE 77 IN CARROL COUNTY VIRGINIA IS ONE MAJOR INTERSTATE THAT WILL BE IMPACTED BY PERIODS OF LOW VISIBILITIES. MC
Special weather statement, Mar 10, 12:33 PM EST, 1 hour 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1233 PM EST THU MAR 10 2011
VAZ011-018-019-WVZ044-045-101830-
ALLEGHANY VA-CRAIG VA-GILES VA-GREENBRIER WV-MONROE WV-
1233 PM EST THU MAR 10 2011
...A STRONG THUNDERSTORM WILL AFFECT ALLEGHANY...CRAIG...GILES...
GREENBRIER AND MONROE COUNTIES...
AT 1229 PM EST...A STRONG THUNDERSTORM WAS LOCATED 7 MILES NORTH OF
MOUNTAIN LAKE...MOVING NORTHEAST AT 55 MPH.
WIND GUSTS TO 50 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM.
THIS STORM WILL BE NEAR GAP MILLS AROUND 1240 PM...MONCOVE LAKE STATE
PARK AROUND 1245 PM...PAINT BANK AROUND 1250 PM...EARLEHURST AROUND
1255 PM AND JORDAN MINES AROUND 100 PM.
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 3754 7997 3752 8000 3728 8071 3756 8067
3783 8018
AMSSpecial weather statement, Mar 10, 1:09 PM EST, 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
109 PM EST THU MAR 10 2011
VAZ014-017-018-022-101915-
CRAIG VA-FLOYD VA-MONTGOMERY VA-ROANOKE VA-
109 PM EST THU MAR 10 2011
...A STRONG THUNDERSTORM WILL AFFECT CRAIG...FLOYD...MONTGOMERY AND
ROANOKE COUNTIES...
AT 107 PM EST...A STRONG THUNDERSTORM WAS LOCATED OVER
CHRISTIANSBURG...MOVING NORTHEAST AT 55 MPH.
WIND GUSTS TO 50 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM.
THIS STORM WILL BE NEAR ELLISTON AROUND 115 PM...ELLISTON-LAFAYETTE
AROUND 120 PM...GLENVAR AROUND 125 PM...CATAWBA AROUND 130 PM AND
ROANOKE AIRPORT AROUND 135 PM.
LISTEN TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR LATER
UPDATES OR POSSIBLE WARNINGS.
LAT...LON 3743 8006 3742 8007 3733 7986 3731 7985
3696 8042 3712 8053 3715 8051 3716 8054
3747 8015
AMSSpecial weather statement, Mar 10, 1:56 PM EST, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 156 PM EST THU MAR 10 2011 NCZ005-006-VAZ034-043>045-058-102000- BEDFORD VA-CAMPBELL VA-CASWELL NC-HALIFAX VA-HENRY VA-PITTSYLVANIA VA-ROCKINGHAM NC- 156 PM EST THU MAR 10 2011 ...STRONG THUNDERSTORMS WILL AFFECT BEDFORD...CAMPBELL...CASWELL... HALIFAX...HENRY...PITTSYLVANIA AND ROCKINGHAM COUNTIES... AT 150 PM EST...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 4 MILES EAST OF EDEN TO JERICHO...MOVING NORTH AT 60 MPH. WIND GUSTS TO 50 MPH 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 BETHEL AROUND 200 PM...DANVILLE AROUND 210 PM...CALLANDS AROUND 215 PM...AJAX AROUND 230 PM...HUDDLESTON AROUND 245 PM AND GOODE AROUND 300 PM. LAT...LON 3749 7938 3720 7885 3624 7927 3652 7978 JJ
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 4:09 AM EST | Winter Weather Advisory | RNK | Bland, Grayson, Smyth, Tazewell | 33 hr |
| Mar 10, 12:33 PM EST | Special Weather Statement | RNK | Craig, Giles | 57 min |
| Mar 10, 1:09 PM EST | Special Weather Statement | RNK | Montgomery, Roanoke, City of Roanoke, City of Salem | 66 min |
| Mar 10, 1:57 PM EST | Special Weather Statement | RNK | Botetourt, Rockbridge, City of Buena Vista, City of Lexington, City of Roanoke | 48 min |
| Mar 10, 2:47 PM EST | Special Weather Statement | RNK | Amherst, Appomattox, Buckingham, Campbell, Charlotte, Rockbridge and 3 more | 58 min |
| Mar 10, 3:05 PM EST | Flash Flood Warning | RNK | Amherst, Botetourt, Rockbridge, City of Buena Vista, City of Lexington | 5 hr |
| Mar 10, 3:38 PM EST | Severe Thunderstorm Warning | RNK | Charlotte, Halifax | 41 min |
| Mar 10, 3:41 PM EST | Areal Flood Advisory | RNK | Carroll, Floyd, Franklin, Patrick | 4 hr |
| Mar 10, 4:16 PM EST | Severe Thunderstorm Warning | RNK | Appomattox, Buckingham | 46 min |
| Mar 10, 11:49 AM EST | Special Weather Statement | RNK | Mercer, Summers | 56 min |
Nearby
Special Weather Statements in Virginia, 2011Special Weather Statements in North Carolina, 2011Every 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.