Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

August 1, 2012Charlotte County, Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 1, 2012, 2:10 AM EDT for Charlotte County, Virginia. It was in force for 20 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 1, 2012, 2:10 AM EDT (06:10 UTC)
Expired: Aug 1, 2012, 2:30 AM EDT
In force: 20 min
Issued by: NWS Blacksburg, VA

County Charlotte County, VA

The radar

The Norfolk radar (KAKQ), 132 km from the middle of the area, began a volume at 06:13 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, 6.2 hours before the alert went out and 90 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: 944 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 949 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 69 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 Aug 1, 2:10 AM EDT, 0 minutes earlier.

Area forecast discussion, Aug 1, 2:10 AM EDT, 0 minutes before

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Hazardous weather outlook, Jul 31, 9:56 PM EDT, 4 hours 14 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
956 PM EDT TUE JUL 31 2012

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>045-020200-
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-
956 PM EDT TUE JUL 31 2012

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...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

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

SCATTERED STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE AGAIN
WEDNESDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Aug 1, 1:03 AM EDT, 1 hour 7 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
103 AM EDT WED AUG 1 2012

VAZ045>047-010530-
APPOMATTOX VA-BUCKINGHAM VA-CAMPBELL VA-
103 AM EDT WED AUG 1 2012

...STRONG THUNDERSTORMS WILL AFFECT APPOMATTOX...BUCKINGHAM AND
CAMPBELL COUNTIES...

AT 102 AM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 4 MILES
NORTH OF RUSTBURG TO 4 MILES SOUTHEAST OF APPOMATTOX...MOVING EAST AT
40 MPH.

WIND GUSTS TO 30 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. EXPECT FREQUENT
CLOUD TO GROUND LIGHTNING FROM THESE STORMS. DO NOT STAY IN THE OPEN
OR SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS
WHEN A THUNDERSTORM APPROACHES.

THESE STORMS WILL BE NEAR CONCORD AROUND 110 AM...HIXBURG AROUND 115
AM...APPOMATTOX NATIONAL HISTORIC PARK AROUND 125 AM AND SHEPPARDS
AROUND 130 AM.

LAT...LON 3735 7845 3733 7852 3737 7859 3734 7859
      3730 7864 3723 7888 3731 7928 3733 7928
      3743 7878 3739 7843

DS

Special weather statement, Aug 1, 1:04 AM EDT, 1 hour 6 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
104 AM EDT WED AUG 1 2012

VAZ033-034-010530-
BEDFORD VA-FRANKLIN VA-
104 AM EDT WED AUG 1 2012

...STRONG THUNDERSTORMS WILL AFFECT BEDFORD AND FRANKLIN COUNTIES...

AT 102 AM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM MONETA TO
9 MILES NORTHWEST OF PENHOOK...MOVING SOUTHEAST AT 15 MPH.

WIND GUSTS TO 30 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. FREQUENT CLOUD
TO GROUND LIGHTNING IS ASSOCIATED WITH THIS STORM. IF YOU ARE OUT ON
THE WATER GET BACK TO LAND AND FIND A SAFE BUILDING OR SAFE VEHICLE.

THESE STORMS WILL BE NEAR WESTERN SMITH MOUNTAIN LAKE AROUND 110
AM...SMITH MOUNTAIN LAKE STATE PARK AROUND 120 AM AND PENHOOK AROUND
130 AM.

LAT...LON 3705 7953 3704 7953 3704 7957 3704 7959
      3698 7961 3696 7964 3708 7982 3721 7965
      3714 7943

DS

Special weather statement, Aug 1, 1:31 AM EDT, 39 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
131 AM EDT WED AUG 1 2012

VAZ045-046-058-059-010600-
APPOMATTOX VA-CAMPBELL VA-CHARLOTTE VA-HALIFAX VA-
131 AM EDT WED AUG 1 2012

...STRONG THUNDERSTORMS WILL AFFECT APPOMATTOX...CAMPBELL...CHARLOTTE
AND HALIFAX COUNTIES...

AT 128 AM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM RUSTBURG
TO BROOKNEAL TO 6 MILES SOUTHWEST OF NATHALIE...MOVING NORTHEAST AT
15 MPH.

WIND GUSTS TO 40 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. EXPECT FREQUENT
CLOUD TO GROUND LIGHTNING FROM THESE STORMS. DO NOT STAY IN THE OPEN
OR SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS
WHEN A THUNDERSTORM APPROACHES.

THESE STORMS WILL BE NEAR HAT CREEK AROUND 145 AM...NATHALIE AROUND
150 AM...CONCORD AROUND 155 AM AND WREN AROUND 200 AM.

LAT...LON 3744 7885 3722 7875 3700 7880 3686 7909
      3702 7905 3729 7913

DS

Special weather statement, Aug 1, 2:08 AM EDT, 2 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
208 AM EDT WED AUG 1 2012

VAZ045-046-059-010645-
APPOMATTOX VA-CAMPBELL VA-CHARLOTTE VA-
208 AM EDT WED AUG 1 2012

...STRONG THUNDERSTORMS WILL AFFECT APPOMATTOX...CAMPBELL AND
CHARLOTTE COUNTIES...

AT 206 AM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 6 MILES
SOUTHEAST OF CONCORD TO BROOKNEAL...MOVING EAST AT 15 MPH.

WIND GUSTS TO 30 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. EXPECT FREQUENT
CLOUD TO GROUND LIGHTNING FROM THESE STORMS. DO NOT STAY IN THE OPEN
OR SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS
WHEN A THUNDERSTORM APPROACHES.

THESE STORMS WILL BE NEAR WREN AROUND 225 AM...RED HOUSE AROUND 235
AM AND EVERGREEN AROUND 240 AM.

LAT...LON 3702 7890 3705 7897 3704 7899 3730 7898
      3737 7876 3705 7876

DS

Special weather statement, Aug 1, 2:09 AM EDT, 1 minute before

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Special weather statement, Aug 1, 2:10 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
Jul 31, 8:21 PM EDT	Areal Flood Advisory	RNK	Bath	112 min
Jul 31, 9:00 PM EDT	Special Weather Statement	RNK	Alleghany, City of Covington	60 min
Jul 31, 9:54 PM EDT	Special Weather Statement	RNK	Giles	66 min
Jul 31, 9:57 PM EDT	Special Weather Statement	RNK	Amherst, Rockbridge, City of Buena Vista, City of Lexington	63 min
Jul 31, 10:20 PM EDT	Severe Thunderstorm Warning	RNK	Craig, Giles, Montgomery	55 min
Jul 31, 10:30 PM EDT	Special Weather Statement	RNK	City of Lynchburg	60 min
Jul 31, 11:00 PM EDT	Special Weather Statement	RNK	Montgomery	45 min
Jul 31, 11:04 PM EDT	Severe Thunderstorm Warning	RNK	Montgomery	56 min
Jul 31, 11:10 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Appomattox, Bedford, Campbell, City of Lynchburg	65 min
Jul 31, 11:35 PM EDT	Special Weather Statement	RNK	Buckingham	55 min
Aug 1, 12:31 AM EDT	Special Weather Statement	RNK	Bedford	29 min
Aug 1, 12:32 AM EDT	Special Weather Statement	RNK	Appomattox, City of Lynchburg	28 min
Aug 1, 12:59 AM EDT	Special Weather Statement	RNK	Campbell	61 min
Aug 1, 1:03 AM EDT	Special Weather Statement	RNK	Appomattox	27 min
Aug 1, 1:04 AM EDT	Special Weather Statement	RNK	Franklin	26 min
Aug 1, 1:31 AM EDT	Special Weather Statement	RNK	Campbell	29 min
Aug 1, 2:08 AM EDT	Special Weather Statement	RNK	Campbell	37 min
Aug 1, 2:09 AM EDT	Special Weather Statement	RNK	Halifax	66 min
Aug 1, 3:13 PM EDT	Special Weather Statement	RNK	Rockbridge, City of Lexington	62 min
Aug 1, 4:14 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Bath, Rockbridge, City of Buena Vista, City of Lexington	61 min
Aug 1, 4:30 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt	60 min
Aug 1, 4:49 PM EDT	Special Weather Statement	RNK	Craig	41 min
Aug 1, 4:53 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Botetourt, Rockbridge	48 min
Aug 1, 5:06 PM EDT	Special Weather Statement	RNK	Floyd	54 min
Aug 1, 5:39 PM EDT	Special Weather Statement	RNK	City of Roanoke	51 min
Aug 1, 6:04 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt, Roanoke, City of Roanoke	56 min
Aug 1, 6:14 PM EDT	Special Weather Statement	RNK	Botetourt	61 min
Aug 1, 6:29 PM EDT	Severe Thunderstorm Warning	RNK	Roanoke, City of Roanoke, City of Salem	46 min
Aug 1, 6:57 PM EDT	Severe Thunderstorm Warning	RNK	Franklin	46 min
Aug 1, 7:49 PM EDT	Special Weather Statement	RNK	Charlotte	56 min

Nearby

Special Weather Statements in Virginia, 2012 Every special weather statement in 2012

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.