Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

March 28, 2012Pittsylvania County, Virginia

NWS Blacksburg, VA issued this special weather statement at Mar 28, 2012, 9:27 PM EDT for Pittsylvania County, Virginia. It was in force for 33 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 28, 2012, 9:27 PM EDT (01:27 UTC)
Expired: Mar 28, 2012, 10:00 PM EDT
In force: 33 min
Issued by: NWS Blacksburg, VA

County Pittsylvania County, VA

The radar

The Roanoke radar (KFCX), 72 km from the middle of the area, began a volume at 01:30 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, 1.5 hours before the alert went out and 41 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: 651 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 1812 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 173 m²/s²
0-3 km storm-relative helicity: 234 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 3.7

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 Mar 28, 8:53 PM EDT, 34 minutes earlier.

Area forecast discussion, Mar 28, 8:53 PM EDT, 34 minutes before

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Hazardous weather outlook, Mar 28, 9:00 PM EDT, 27 minutes before

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In the hours before

Special weather statement, Mar 28, 4:39 PM EDT, 4 hours 48 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
439 PM EDT WED MAR 28 2012

VAZ019-020-024-WVZ042>045-282245-
ALLEGHANY VA-BATH-ROCKBRIDGE-MERCER-SUMMERS-MONROE-GREENBRIER-
INCLUDING THE CITIES OF...CLIFTON FORGE...COVINGTON...
HOT SPRINGS...LEXINGTON...BUENA VISTA...BLUEFIELD...FLAT TOP...
HINTON...HIX...UNION...LEWISBURG...QUINWOOD...DUO...RAINELLE
439 PM EDT WED MAR 28 2012

..STRONG TO SEVERE THUNDERSTORMS APPROACHING PORTIONS OF SOUTHEAST
WEST VIRGINIA AND ALLEGHANY HIGHLANDS...

AT 4:30PM EDT...NATIONAL WEATHER SERVICE RADARS SHOWED A BROKEN
LINE OF STRONG TO SEVERE STORMS MOVING EASTWARD ACROSS CENTRAL
WEST VIRGINIA AT 40 TO 50 MPH. THIS LINE OF STORMS HAS A HISTORY
OF PRODUCING HAIL UP TO GOLF BALL SIZE...AND SOME DAMAGING WIND
GUSTS. THESE STORMS WILL REACH WESTERN PORTIONS OF GREENBRIER
COUNTY BY AROUND 5:30 PM...AND LOCATIONS FROM BLUEFIELD...TO WHITE
SULPHUR SPRINGS...TO HOT SPRINGS BY 6 OR 6:30PM. THE LINE MAY
CONTINUE EASTWARD AFTER THIS TIME.

SK

Special weather statement, Mar 28, 8:37 PM EDT, 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
837 PM EDT WED MAR 28 2012

VAZ044-045-058-290100-
CAMPBELL VA-HALIFAX VA-PITTSYLVANIA VA-
837 PM EDT WED MAR 28 2012

...A STRONG THUNDERSTORM WILL AFFECT CAMPBELL...HALIFAX AND
PITTSYLVANIA COUNTIES...

AT 835 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES SOUTH OF
EVINGTON...MOVING EAST AT 45 MPH.

WIND GUSTS TO 50 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM.

THIS STORM WILL BE NEAR HODGES AROUND 845 PM...LONG ISLAND AROUND 850
PM AND BROOKNEAL AROUND 900 PM.

LISTEN TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR LATER
UPDATES OR POSSIBLE WARNINGS.

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 3707 7888 3702 7890 3701 7890 3694 7893
      3709 7940 3725 7931 3717 7884

SK

Special weather statement, Mar 28, 8:56 PM EDT, 31 minutes before

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Special weather statement, Mar 28, 9:25 PM EDT, 2 minutes before

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Special weather statement, Mar 28, 9:27 PM 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
Mar 28, 8:37 PM EDT	Special Weather Statement	RNK	Campbell	23 min
Mar 28, 8:45 PM EDT	Severe Thunderstorm Warning	RNK	Campbell, Charlotte, Halifax, Pittsylvania	35 min
Mar 28, 8:56 PM EDT	Special Weather Statement	RNK	Franklin	49 min
Mar 28, 9:25 PM EDT	Special Weather Statement	RNK	Pittsylvania	35 min
Mar 28, 10:32 PM EDT	Special Weather Statement	RNK	Giles	28 min
Mar 28, 10:38 PM EDT	Special Weather Statement	RNK	Carroll, Wythe, City of Galax	22 min
Mar 28, 10:52 PM EDT	Special Weather Statement	RNK	Bland	38 min
Mar 28, 10:59 PM EDT	Special Weather Statement	RNK	Montgomery	16 min
Mar 28, 11:37 PM EDT	Special Weather Statement	RNK	Tazewell	23 min
Mar 29, 12:01 AM EDT	Special Weather Statement	RNK	Tazewell	29 min
Mar 29, 12:02 AM EDT	Special Weather Statement	RNK	Floyd	28 min
Mar 29, 12:37 AM EDT	Special Weather Statement	RNK	Carroll, City of Galax	53 min
Mar 29, 1:02 AM EDT	Special Weather Statement	RNK	Smyth	58 min
Mar 29, 1:46 AM EDT	Special Weather Statement	RNK	Alleghany	29 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.