Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

March 2, 2012Charlotte County, Halifax County, City of Danville, Virginia

NWS Blacksburg, VA issued this special weather statement at Mar 2, 2012, 1:33 PM EST for Charlotte County, Halifax County, City of Danville, Virginia. It was in force for 57 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 2, 2012, 1:33 PM EST (18:33 UTC)
Expired: Mar 2, 2012, 2:30 PM EST
In force: 57 min
Issued by: NWS Blacksburg, VA

Counties Charlotte County, VA, City of Danville, VA, Halifax County, VA

The radar

The Roanoke radar (KFCX), 126 km from the middle of the area, began a volume at 18:35 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 12:00Z, 6.6 hours before the alert went out and 69 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: 1466 m above ground
0-6 km bulk shear: 76 kt
0-1 km storm-relative helicity: 255 m²/s²
0-3 km storm-relative helicity: 298 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 Mar 2, 1:06 PM EST, 27 minutes earlier.

Area forecast discussion, Mar 2, 1:06 PM EST, 27 minutes before

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Hazardous weather outlook, Mar 2, 10:36 AM EST, 2 hours 57 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
1036 AM EST FRI MAR 2 2012

VAZ007-019-020-WVZ042>045-031545-
TAZEWELL-ALLEGHANY VA-BATH-MERCER-SUMMERS-MONROE-GREENBRIER-
1036 AM EST FRI MAR 2 2012

...FLASH FLOOD WATCH IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH
LATE TONIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST VIRGINIA...WEST
CENTRAL VIRGINIA AND SOUTHEAST WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

THERE IS ALSO SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON
THROUGH MUCH OF TONIGHT. THE PRIMARY THREAT IS DAMAGING WINDS. AN
ISOLATED TORNADO THREAT EXISTS AS WELL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

UPSLOPE MOUNTAIN SNOW SHOWERS SUNDAY AND INTO EARLY MONDAY COULD
RESULT IN A FEW INCHES OF SNOW ACCUMULATION ON WESTERN SLOPES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED .

VAZ009>018-022>024-031545-
SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-
CRAIG-ROANOKE-BOTETOURT-ROCKBRIDGE-
1036 AM EST FRI MAR 2 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST VIRGINIA AND WEST
CENTRAL VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON
AND MAINLY TONIGHT. THE PRIMARY THREAT IS DAMAGING WINDS.

HEAVY RAIN WITH SOME STORMS IS ALSO POSSIBLE...WHICH MAY LEAD TO
ISOLATED FLASH FLOODING ON SMALL CREEKS AND STREAMS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ001>006-018>020-VAZ032>035-043>047-058-059-031545-
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES-
YADKIN-PATRICK-FRANKLIN-BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-
APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-
1036 AM EST FRI MAR 2 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH
CENTRAL VIRGINIA...SOUTHWEST VIRGINIA AND WEST CENTRAL VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM LATE THIS
AFTERNOON THROUGH TONIGHT. THE PRIMARY THREAT IS DAMAGING WINDS.

HEAVY RAIN IS ALSO POSSIBLE WITH SOME STORMS...WHICH MAY LEAD TO
FLASH FLOODING ON SMALL STREAMS...MAINLY IN THE MOUNTAINS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

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, Mar 2, 11:11 AM EST, 2 hours 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1111 AM EST FRI MAR 2 2012

VAZ007-021645-
TAZEWELL VA-
1111 AM EST FRI MAR 2 2012

...A STRONG THUNDERSTORM WILL AFFECT TAZEWELL COUNTY...

AT 1108 AM EST...A STRONG THUNDERSTORM WAS LOCATED SOUTHWEST OF
TAZEWELL...MOVING NORTHEAST AT 35 MPH.

THIS STORM WILL PRODUCE BRIEF HEAVY RAIN HAIL AND UP TO DIME SIZE
HAIL.

THIS STORM WILL BE NEAR TAZEWELL AROUND 1120 AM...GRATTON AROUND 1130
AM...TIPTOP AROUND 1140 AM AND BOISSEVAIN AROUND 1145 AM.

LAT...LON 3722 8169 3721 8156 3723 8152 3726 8150
      3728 8142 3731 8140 3732 8137 3719 8127
      3717 8127 3715 8133 3713 8127 3711 8126
      3696 8176 3715 8189

PC

Special weather statement, Mar 2, 1:05 PM EST, 28 minutes before

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Special weather statement, Mar 2, 1:31 PM EST, 2 minutes before

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Special weather statement, Mar 2, 1:33 PM EST, 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 2, 10:18 AM EST	Flash Flood Watch	RNK	Alleghany, Bath, Tazewell, City of Covington	20 hr
Mar 2, 11:11 AM EST	Special Weather Statement	RNK	Tazewell	34 min
Mar 2, 11:49 AM EST	Severe Thunderstorm Warning	RNK	Bland, Giles, Tazewell	26 min
Mar 2, 1:05 PM EST	Special Weather Statement	RNK	Botetourt, Craig, Roanoke, City of Roanoke, City of Salem	55 min
Mar 2, 1:31 PM EST	Special Weather Statement	RNK	Tazewell	44 min
Mar 2, 1:36 PM EST	Special Weather Statement	RNK	Amherst, Appomattox, Bedford, City of Lynchburg	54 min
Mar 2, 2:29 PM EST	Special Weather Statement	RNK	Charlotte	31 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.