Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

April 26, 201211 counties in Virginia

NWS Blacksburg, VA issued this special weather statement at Apr 26, 2012, 4:56 AM EDT for 11 counties in Virginia. It was in force for 34 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: Apr 26, 2012, 4:56 AM EDT (08:56 UTC)
Expired: Apr 26, 2012, 5:30 AM EDT
In force: 34 min
Issued by: NWS Blacksburg, VA

Counties Bland County, VA, Botetourt County, VA, City of Covington, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Giles County, VA, Montgomery County, VA, Pulaski County, VA, Roanoke County, VA

The radar

The Roanoke radar (KFCX), 36 km from the middle of the area, began a volume at 08:57 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, 8.9 hours before the alert went out and 70 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1345 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 413 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 Apr 26, 3:55 AM EDT, 1 hour 1 minute earlier.

Area forecast discussion, Apr 26, 3:55 AM EDT, 1 hour 1 minute before

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Hazardous weather outlook, Apr 26, 4:01 AM EDT, 55 minutes before

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In the hours before

Special weather statement, Apr 26, 2:20 AM EDT, 2 hours 36 minutes before

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Special weather statement, Apr 26, 2:38 AM EDT, 2 hours 18 minutes before

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Special weather statement, Apr 26, 2:39 AM EDT, 2 hours 17 minutes before

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Special weather statement, Apr 26, 3:55 AM EDT, 1 hour 1 minute before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
355 AM EDT THU APR 26 2012

WVZ042-043-045-260830-
GREENBRIER WV-MERCER WV-SUMMERS WV-
355 AM EDT THU APR 26 2012

...STRONG THUNDERSTORMS WILL AFFECT GREENBRIER...MERCER AND SUMMERS
COUNTIES...

AT 353 AM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM RUPERT TO
8 MILES WEST OF PINEVILLE...MOVING EAST AT 60 MPH.

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 WILLIAMSBURG AROUND 405 AM...SANDSTONE
AROUND 410 AM...MAXWELTON AROUND 415 AM...JUMPING BRANCH AROUND 420
AM AND CAMP CREEK STATE PARK AROUND 425 AM.

LAT...LON 3793 8009 3786 8017 3771 8059 3773 8066
      3767 8069 3750 8114 3751 8122 3758 8120
      3761 8108 3764 8107 3772 8098 3770 8090
      3774 8093 3778 8090 3782 8094 3788 8076
      3795 8080 3799 8067

DS

Special weather statement, Apr 26, 4:31 AM EDT, 25 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
431 AM EDT THU APR 26 2012

VAZ007-010-011-019-WVZ042>045-260900-
ALLEGHANY VA-BLAND VA-GILES VA-GREENBRIER WV-MERCER WV-MONROE WV-
SUMMERS WV-TAZEWELL VA-
431 AM EDT THU APR 26 2012

...STRONG THUNDERSTORMS WILL AFFECT ALLEGHANY...BLAND...GILES...
GREENBRIER...MERCER...MONROE...SUMMERS AND TAZEWELL COUNTIES...

AT 427 AM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 5 MILES
NORTH OF WHITE SULPHUR SPRINGS TO 9 MILES SOUTHEAST OF WELCH...MOVING
EAST AT 40 MPH.

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 PINNACLE ROCK STATE PARK AROUND 440 AM...
ROARING MOUNTAIN SUMMIT AROUND 445 AM...UNION AROUND 450 AM...JORDAN
MINES AROUND 455 AM AND CHAPEL AROUND 500 AM.

LAT...LON 3780 7982 3776 7985 3761 8017 3763 8022
      3757 8033 3754 8031 3718 8107 3727 8145
      3742 8129 3745 8130 3793 8026

DS

Special weather statement, Apr 26, 4:56 AM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
456 AM EDT THU APR 26 2012

VAZ007-010>014-018-019-022-023-034-WVZ042-044-260930-
ALLEGHANY VA-BEDFORD VA-BLAND VA-BOTETOURT VA-CRAIG VA-GILES VA-
MERCER WV-MONROE WV-MONTGOMERY VA-PULASKI VA-ROANOKE VA-TAZEWELL VA-
WYTHE VA-
456 AM EDT THU APR 26 2012

...STRONG THUNDERSTORMS WILL AFFECT ALLEGHANY...BEDFORD...BLAND...
BOTETOURT...CRAIG...GILES...MERCER...MONROE...MONTGOMERY...PULASKI...
ROANOKE...TAZEWELL AND WYTHE COUNTIES...

AT 453 AM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 3 MILES
SOUTH OF COVINGTON CITY TO 3 MILES NORTHEAST OF BURKES GARDEN...
MOVING SOUTHEAST AT 50 MPH.

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 EAGLE ROCK AROUND 505 AM...ABBOTT AROUND
510 AM...CATAWBA AROUND 515 AM...ARCADIA AROUND 520 AM AND PEAKS OF
OTTER RECREATION AREA AROUND 525 AM.

LAT...LON 3747 7951 3684 8097 3713 8143 3782 7993

DS

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 25, 11:39 PM EDT	Special Weather Statement	RNK	Bland	36 min
Apr 25, 11:52 PM EDT	Severe Thunderstorm Warning	RNK	Smyth, Tazewell	23 min
Apr 26, 12:17 AM EDT	Special Weather Statement	RNK	Smyth	28 min
Apr 26, 12:39 AM EDT	Special Weather Statement	RNK	Grayson, City of Galax	36 min
Apr 26, 1:15 AM EDT	Special Weather Statement	RNK	Patrick	15 min
Apr 26, 2:38 AM EDT	Special Weather Statement	RNK	Carroll	37 min
Apr 26, 4:31 AM EDT	Special Weather Statement	RNK	Alleghany, City of Covington	29 min
Apr 26, 7:59 AM EDT	Areal Flood Advisory	RNK	Tazewell	3 hr
Apr 26, 8:31 AM EDT	Special Weather Statement	RNK	Smyth	59 min
Apr 26, 8:45 AM EDT	Severe Thunderstorm Warning	RNK	Grayson	60 min
Apr 26, 8:57 AM EDT	Severe Thunderstorm Warning	RNK	Bland, Grayson, Smyth, Tazewell, Wythe	63 min
Apr 26, 9:18 AM EDT	Special Weather Statement	RNK	Carroll, Grayson, City of Galax	27 min
Apr 26, 9:31 AM EDT	Special Weather Statement	RNK	Bland, Wythe	29 min
Apr 26, 10:42 AM EDT	Special Weather Statement	RNK	Henry, City of Danville	63 min
Apr 26, 11:09 AM EDT	Areal Flood Advisory	RNK	Tazewell	3 hr
Apr 26, 11:54 AM EDT	Areal Flood Advisory	RNK	Bland	3 hr
Apr 26, 12:44 PM EDT	Areal Flood Advisory	RNK	Alleghany, Bath, City of Covington	6 hr
Apr 26, 2:03 PM EDT	Areal Flood Advisory	RNK	Tazewell	6 hr
Apr 26, 2:53 PM EDT	Areal Flood Advisory	RNK	Bland	3 hr
Apr 26, 6:16 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Giles	59 min
Apr 26, 7:00 PM EDT	Flash Flood Warning	RNK	Bland, Tazewell	6 hr
Apr 26, 7:10 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Giles, Tazewell, Wythe	65 min
Apr 26, 7:53 PM EDT	Severe Thunderstorm Warning	RNK	Craig, Giles, Montgomery	52 min
Apr 26, 7:56 PM EDT	Special Weather Statement	RNK	Bath	64 min
Apr 26, 2:20 AM EDT	Special Weather Statement	RNK	Rockingham	25 min
Apr 26, 9:49 AM EDT	Special Weather Statement	RNK	Stokes, Surry, Yadkin	41 min
Apr 26, 2:39 AM EDT	Special Weather Statement	RNK	Greenbrier	36 min
Apr 26, 3:55 AM EDT	Special Weather Statement	RNK	Greenbrier, Summers	35 min
Apr 26, 6:25 PM EDT	Special Weather Statement	RNK	Greenbrier	65 min
Apr 26, 6:34 PM EDT	Flash Flood Warning	RNK	Mercer, Summers	6 hr
Apr 26, 6:51 PM EDT	Flash Flood Warning	RNK	Greenbrier, Summers	6 hr
Apr 26, 7:26 PM EDT	Special Weather Statement	RNK	Monroe	64 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.