Alert archive / Virginia / Special Weather Statements in 2013
Special Weather Statement, NWS Blacksburg, VA
NWS Blacksburg, VA issued this special weather statement at Aug 21, 2013, 9:45 PM EDT for Carroll County, Virginia. It was in force for 30 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
- Aug 21, 2013, 9:45 PM EDT (01:45 UTC)
- Expired
- Aug 21, 2013, 10:15 PM EDT
- In force
- 30 min
- Issued by
- NWS Blacksburg, VA
County Carroll County, VA
The radar
The Roanoke radar (KFCX), 46 km from the middle of the area, began a volume at 01:46 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, 1.8 hours before the alert went out and 98 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
- 1686 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 708 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.8
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 Aug 21, 9:40 PM EDT, 5 minutes earlier.
Area forecast discussion, Aug 21, 9:40 PM EDT, 5 minutes before
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</html>Hazardous weather outlook, Aug 21, 4:01 PM EDT, 5 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BLACKSBURG VA 401 PM EDT WED AUG 21 2013 NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059- WVZ042>045-222015- 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- GREENBRIER- 401 PM EDT WED AUG 21 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. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS EVENING. ANY OF THE STRONGER STORMS WILL PRODUCE HEAVY RAIN. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. THURSDAY AND FRIDAY...THERE IS A CONTINUED CHANCE OF SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN. SATURDAY THROUGH TUESDAY...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, Aug 21, 8:49 PM EDT, 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 849 PM EDT WED AUG 21 2013 VAZ011-018-WVZ044-220115- GILES VA-CRAIG VA-MONROE WV- 849 PM EDT WED AUG 21 2013 THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A * SPECIAL WEATHER STATEMENT FOR... NORTHEASTERN GILES COUNTY IN SOUTHWEST VIRGINIA... WESTERN CRAIG COUNTY IN SOUTHWEST VIRGINIA... MONROE COUNTY IN SOUTHEAST WEST VIRGINIA... * UNTIL 915 PM EDT * AT 848 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A THUNDERSTORM WITH HEAVY RAIN NEAR KIMBALLTON...MOVING TO THE NORTHEAST AT 30 MPH. * VERY HEAVY RAIN IS FALLING...AND WILL CAUSE WATER TO POND ON ROADWAYS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS. * LOCATIONS IMPACTED INCLUDE... UNION... KIMBALLTON... INTERIOR... KIRE... AND LINDSIDE. PRECAUTIONARY/PREPAREDNESS ACTIONS... PROLONGED HEAVY RAINFALL MAY CAUSE WATER TO FLOW OVER THE ROADWAY. DO NOT DRIVE YOUR VEHICLE WHERE THE ROAD HAS BECOME FLOODED. && LAT...LON 3733 8071 3743 8082 3763 8053 3738 8038 TIME...MOT...LOC 0048Z 245DEG 27KT 3739 8069 MBS
Special weather statement, Aug 21, 9:13 PM EDT, 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
913 PM EDT WED AUG 21 2013
VAZ012-013-015-016-220145-
GRAYSON VA-WYTHE VA-PULASKI VA-CARROLL VA-
913 PM EDT WED AUG 21 2013
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* SPECIAL WEATHER STATEMENT FOR...
SOUTHEASTERN GRAYSON COUNTY IN SOUTHWEST VIRGINIA...
EASTERN WYTHE COUNTY IN SOUTHWEST VIRGINIA...
SOUTH CENTRAL PULASKI COUNTY IN SOUTHWEST VIRGINIA...
CARROLL COUNTY IN SOUTHWEST VIRGINIA...
* UNTIL 945 PM EDT
* AT 910 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
TRACKING A LINE OF THUNDERSTORMS EXTENDING FROM PATTERSON TO
BYLLESBY TO INDEPENDENCE...MOVING TO THE EAST AT 20 MPH.
* WIND GUSTS UP TO 30 MPH ARE POSSIBLE WITH THESE STORMS. VERY HEAVY
RAIN IS FALLING...AND WILL CAUSE WATER TO POND ON ROADWAYS AND
QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
* LOCATIONS IMPACTED INCLUDE...
ALLISONIA...
GALAX CITY...
HILLSVILLE...
INDEPENDENCE...
AND FRIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PROLONGED HEAVY RAINFALL MAY CAUSE WATER TO FLOW OVER THE ROADWAY. DO
NOT DRIVE YOUR VEHICLE WHERE THE ROAD HAS BECOME FLOODED.
&&
LAT...LON 3674 8100 3694 8084 3694 8063 3693 8064
3688 8060 3688 8059 3683 8059 3659 8097
3659 8120
TIME...MOT...LOC 0110Z 254DEG 17KT 3690 8082 3676 8093 3661 8117
MBSLocal storm report, Aug 21, 9:29 PM EDT, 16 minutes before
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</html>Special weather statement, Aug 21, 9:29 PM EDT, 16 minutes before
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</html>Local storm report, Aug 21, 9:30 PM EDT, 15 minutes before
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</html>Special weather statement, Aug 21, 9:45 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 8:06 PM EDT | Special Weather Statement | RNK | Wythe | 24 min |
| Aug 21, 8:39 PM EDT | Special Weather Statement | RNK | Pulaski, City of Radford | 51 min |
| Aug 21, 8:55 PM EDT | Areal Flood Advisory | RNK | Montgomery, Pulaski, City of Radford | 3 hr |
| Aug 21, 9:13 PM EDT | Special Weather Statement | RNK | City of Galax | 32 min |
| Aug 21, 9:29 PM EDT | Special Weather Statement | RNK | Montgomery | 46 min |
| Aug 21, 10:09 PM EDT | Special Weather Statement | RNK | Floyd | 51 min |
| Aug 21, 10:57 PM EDT | Special Weather Statement | RNK | Franklin | 48 min |
| Aug 21, 11:36 PM EDT | Special Weather Statement | RNK | Amherst, Bedford, City of Lynchburg | 39 min |
| Aug 21, 11:38 PM EDT | Special Weather Statement | RNK | Pittsylvania | 37 min |
| Aug 22, 12:09 AM EDT | Special Weather Statement | RNK | Amherst, Appomattox, Bedford, Campbell, Halifax, Pittsylvania and 1 more | 51 min |
| Aug 22, 12:59 AM EDT | Special Weather Statement | RNK | Campbell | 61 min |
| Aug 22, 2:44 AM EDT | Dense Fog Advisory | RNK | Carroll, Floyd, Franklin, Grayson, Henry, Patrick and 4 more | 6 hr |
| Aug 22, 4:12 PM EDT | Special Weather Statement | RNK | Carroll, City of Galax | 63 min |
| Aug 22, 4:37 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Bedford, Rockbridge, City of Lynchburg | 53 min |
| Aug 22, 5:46 PM EDT | Special Weather Statement | RNK | Campbell | 59 min |
| Aug 22, 6:15 PM EDT | Special Weather Statement | RNK | Henry, City of Martinsville | 60 min |
| Aug 22, 3:04 PM EDT | Special Weather Statement | RNK | Stokes | 56 min |
| Aug 22, 3:16 PM EDT | Severe Thunderstorm Warning | RNK | Rockingham, Stokes | 59 min |
| Aug 22, 5:01 PM EDT | Special Weather Statement | RNK | Surry | 59 min |
| Aug 22, 5:15 PM EDT | Severe Thunderstorm Warning | RNK | Stokes, Surry, Yadkin | 60 min |
| Aug 22, 7:45 PM EDT | Special Weather Statement | RNK | Yadkin | 15 min |
| Aug 21, 8:49 PM EDT | Special Weather Statement | RNK | Monroe | 26 min |
| Aug 21, 10:07 PM EDT | Special Weather Statement | RNK | Greenbrier | 38 min |
| Aug 21, 10:26 PM EDT | Areal Flood Advisory | RNK | Greenbrier | 3 hr |
| Aug 22, 2:25 PM EDT | Special Weather Statement | RNK | Greenbrier | 35 min |
Nearby
Special Weather Statements in Virginia, 2013Every 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.