Alert archive / Virginia / Special Weather Statements in 2009
Special Weather Statement, NWS Blacksburg, VA
NWS Blacksburg, VA issued this special weather statement at May 6, 2009, 7:49 PM EDT for Carroll County, Grayson County, City of Galax, Virginia; Alleghany County, Ashe County, North Carolina. It was in force for 56 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 6, 2009, 7:49 PM EDT (23:49 UTC)
- Expired
- May 6, 2009, 8:45 PM EDT
- In force
- 56 min
- Issued by
- NWS Blacksburg, VA
Counties Alleghany County, NC, Ashe County, NC, Carroll County, VA, City of Galax, VA, Grayson County, VA
The radar
The Roanoke radar (KFCX), 43 km from the middle of the area, began a volume at 23:50 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, 11.8 hours before the alert went out and 116 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 450 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 136 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 May 6, 3:17 PM EDT, 4 hours 32 minutes earlier.
Area forecast discussion, May 6, 3:17 PM EDT, 4 hours 32 minutes before
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</html>Hazardous weather outlook, May 6, 2:56 PM EDT, 4 hours 53 minutes before
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</html>In the hours before
Special weather statement, May 6, 3:45 PM EDT, 4 hours 4 minutes before
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</html>Special weather statement, May 6, 6:28 PM EDT, 1 hour 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 628 PM EDT WED MAY 6 2009 NCZ005-006-070030- CASWELL NC-ROCKINGHAM NC- 628 PM EDT WED MAY 6 2009 ...A SEVERE THUNDERSTORM MAY AFFECT CASWELL AND ROCKINGHAM COUNTIES... AT 620 PM EDT...A STRONG ROTATING THUNDERSTORM WAS LOCATED 8 MILES SOUTHEAST OF WINSTON-SALEM...MOVING NORTHEAST AT 35 MPH. THIS STORM HAS HAD A HISTORY OF PRODUCING LARGE HAIL. IF THE STORM MAINTAINS THE SAME DIRECTION...SPEED AND MAGNITUDE OF ROTATION...ADDITIONAL WARNINGS MAY BE NEEDED FOR CASWELL AND ROCKINGHAM COUNTIES BY 700 PM. THIS STORM IS BEING MONITORED VERY CLOSELY. IF THIS STORM MAINTAINS ITS CURRENT TRACK...IT WILL BE NEAR MONROETON AROUND 725 PM...HARRISONS CROSSROADS AROUND 735 PM...OREGON HILL AROUND 740 PM...CAMP SPRINGS...AND LAWSONVILLE AROUND 745 PM...QUICK...RUFFIN...AND MAYFIELD AROUND 750 PM...BETHEL AND AND BETHEL AROUND 755 PM. LAT...LON 3624 7986 3655 7959 3654 7915 3624 7917 EXPERIMENTAL DS
Special weather statement, May 6, 6:35 PM EDT, 1 hour 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
635 PM EDT WED MAY 6 2009
VAZ007-009>013-015-WVZ042>045-070030-
BLAND VA-GILES VA-GRAYSON VA-GREENBRIER WV-MERCER WV-MONROE WV-
PULASKI VA-SMYTH VA-SUMMERS WV-TAZEWELL VA-WYTHE VA-
635 PM EDT WED MAY 6 2009
...A LINE OF STRONG THUNDERSTORMS WITH HEAVY RAINFALL WILL AFFECT
FAR SOUTHWEST VIRGINIA AND SOUTHEAST WEST VIRGINIA THROUGH 830 PM...
AT 631 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM NEAR
TAZEWELL TO JUST WEST OF BLUEFIELD AND BECKLEY...MOVING NORTHEAST AT 45 MPH.
WIND GUSTS TO 40 MPH ARE POSSIBLE WITH SOME OF THESE STORMS. VERY
HEAVY RAIN CAN ALSO BE EXPECTED WITH THESE STORMS...AND WILL CAUSE
WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL
STREAMS.
THESE STORMS WILL BE NEAR BLUEFIELD BY 645 PM EDT...WYTHEVILLE BY
700 PM...AND PULASKI AND BLUESTONE DAM BY 715 PM EDT.
LISTEN TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR LATER
UPDATES OR POSSIBLE WARNINGS.
LAT...LON 3824 8045 3693 8065 3658 8161 3659 8167
3659 8168 3663 8161 3671 8167 3721 8159
3729 8140 3758 8119 3760 8109 3772 8097
3771 8090 3783 8094 3787 8077 3806 8082
3808 8071
EXPERIMENTAL
SKSpecial weather statement, May 6, 6:51 PM EDT, 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 651 PM EDT WED MAY 6 2009 NCZ006-062315- CASWELL NC- 651 PM EDT WED MAY 6 2009 ...A STRONG THUNDERSTORM WILL AFFECT FAR SOUTHEAST CASWELL COUNTY... AT 650 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES SOUTHWEST OF PROSPECT HILL...MOVING NORTHEAST AT 30 MPH. WIND GUSTS TO 40 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS STORM. VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS. THIS STORM WILL BE NEAR PROSPECT HILL AROUND 700 PM. LAT...LON 3632 7916 3624 7916 3624 7925 EXPERIMENTAL DS
Special weather statement, May 6, 7:49 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
749 PM EDT WED MAY 6 2009
NCZ001-002-VAZ012-013-015>017-070045-
ALLEGHANY NC-ASHE NC-CARROLL VA-FLOYD VA-GRAYSON VA-PULASKI VA-
WYTHE VA-
749 PM EDT WED MAY 6 2009
...LINE OF STRONG THUNDERSTORMS WILL AFFECT ALLEGHANY...ASHE...
CARROLL...CITY OF GALAX...FLOYD...GRAYSON...PULASKI AND WYTHE
COUNTIES...
AT 747 PM EDT...A LINE OF HEAVY SHOWERS WITH GUSTY WINDS BUT LITTLE
LIGHTNING...WAS ALONG A LINE FROM 4 MILES NORTHWEST OF ALLISONIA TO
4 MILES WEST OF LANSING...MOVING EAST AT 35 MPH.
WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS. BRIEF BUT 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 IVANHOE...LANSING...AND GRASSY CREEK AROUND
755 PM...SPRING VALLEY...SPRING VALLEY...AND MOUTH OF WILSON AROUND
800 PM...ALLISONIA...AND BRIDLE CREEK AROUND 805 PM...PATTERSON AND
AND BYLLESBY AROUND 810 PM.
LISTEN TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR LATER
UPDATES OR POSSIBLE WARNINGS.
LAT...LON 3701 8082 3702 8054 3698 8053 3701 8051
3698 8049 3702 8045 3701 8042 3702 8041
3702 8039 3703 8027 3647 8101 3642 8173
3644 8173
EXPERIMENTAL
SKThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 1:07 PM EDT | Special Weather Statement | RNK | Carroll, Craig, Floyd, Giles, Montgomery, Patrick and 4 more | 53 min |
| May 6, 3:01 PM EDT | Special Weather Statement | RNK | Bedford, City of Buena Vista, City of Lynchburg | 59 min |
| May 6, 3:45 PM EDT | Special Weather Statement | RNK | Amherst, Appomattox, Buckingham, Campbell, City of Lynchburg | 60 min |
| May 6, 4:57 PM EDT | Special Weather Statement | RNK | Halifax | 33 min |
| May 6, 6:35 PM EDT | Special Weather Statement | RNK | Bland, Giles, Pulaski, Smyth, Tazewell, Wythe | 115 min |
| May 6, 6:55 PM EDT | Severe Thunderstorm Warning | RNK | Franklin, Henry, Pittsylvania | 19 min |
| May 6, 6:28 PM EDT | Special Weather Statement | RNK | Caswell | 2 hr |
| May 6, 6:51 PM EDT | Special Weather Statement | RNK | Caswell | 24 min |
| May 6, 7:18 PM EDT | Severe Thunderstorm Warning | RNK | Caswell, Rockingham | 30 min |
Nearby
Special Weather Statements in Virginia, 2009Special Weather Statements in North Carolina, 2009Every special weather statement in 2009
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.