Alert archive / Virginia / Special Weather Statements in 2009

Special Weather Statement, NWS Blacksburg, VA

July 1, 2009Alleghany County, City of Covington, Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 1, 2009, 3:25 PM EDT for Alleghany County, City of Covington, Virginia. It was in force for 65 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: Jul 1, 2009, 3:25 PM EDT (19:25 UTC)
Expired: Jul 1, 2009, 4:30 PM EDT
In force: 65 min
Issued by: NWS Blacksburg, VA

Counties Alleghany County, VA, City of Covington, VA

The radar

The Roanoke radar (KFCX), 82 km from the middle of the area, began a volume at 19:24 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 7.4 hours before the alert went out and 273 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: 355 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 1082 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Jul 1, 3:24 PM EDT, 1 minute earlier.

Area forecast discussion, Jul 1, 3:24 PM EDT, 1 minute before

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Hazardous weather outlook, Jul 1, 10:03 AM EDT, 5 hours 22 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
1003 AM EDT WED JUL 1 2009

NCZ001-002-018-VAZ007-009>013-015-016-018>020-WVZ042>045-021415-
ASHE-ALLEGHANY NC-WATAUGA-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-
GRAYSON-CARROLL-CRAIG-ALLEGHANY VA-BATH-MERCER-SUMMERS-MONROE-
GREENBRIER-
1003 AM EDT WED JUL 1 2009

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

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ003>006-019-020-021415-
SURRY-STOKES-ROCKINGHAM-CASWELL-WILKES-YADKIN-
1003 AM EDT WED JUL 1 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH CAROLINA
AND NORTHWEST NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

THE FIRE DANGER WILL BE ENHANCED THIS AFTERNOON...AS HUMIDITIES
DROP TO AROUND 30 PERCENT. SOUTHWEST TO WEST WINDS WILL GUST UP TO
25 MPH AS WELL.

IN ADDITION...ANY ISOLATED THUNDERSTORMS THAT DEVELOP THIS
AFTERNOON AND EARLY THIS EVENING WILL HAVE THE POTENTIAL TO
PRODUCE DAMAGING WIND GUSTS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

VAZ014-017-022>024-032>035-043>047-058-059-021415-
MONTGOMERY-FLOYD-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-
BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-
HALIFAX-CHARLOTTE-
1003 AM EDT WED JUL 1 2009

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

.DAY ONE...TODAY AND TONIGHT.

THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON
WITH THE MAIN THREAT FOR DAMAGING WINDS AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

In the hours before

Special weather statement, Jul 1, 3:25 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
325 PM EDT WED JUL 1 2009

VAZ019-020-023-012030-
ALLEGHANY VA-BATH VA-BOTETOURT VA-
325 PM EDT WED JUL 1 2009

...A STRONG THUNDERSTORM WILL AFFECT BATH...BOTETOURT AND ALLEGHANY
COUNTIES TO INCLUDED THE CITY OF COVINGTON THIS AFTERNOON...

AT 322 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 7 MILES NORTH OF
PAINT BANK...MOVING EAST AT 35 MPH.

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

THIS STORM WILL BE NEAR ALLEGHANY...AND POTTS CREEK AROUND 330 PM...
JORDAN MINES AROUND 340 PM...CALLAGHAN AROUND 345 PM...COVINGTON CITY
AROUND 355 PM...HOLLINS...HOLLINS...AND NATURAL WELL AROUND 400 PM...
GLEN WILTON AND AND CARLOOVER AROUND 405 PM.

LAT...LON 3807 7980 3777 7967 3761 8020 3764 8025
      3764 8029 3765 8031 3767 8029 3768 8030
      3773 8025 3776 8025 3778 8022 3779 8022

EXPERIMENTAL

RCS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 4:17 PM EDT	Special Weather Statement	RNK	Bath	58 min
Jul 1, 4:57 PM EDT	Special Weather Statement	RNK	Amherst	63 min
Jul 1, 5:17 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford	58 min
Jul 1, 6:18 PM EDT	Special Weather Statement	RNK	Buckingham	57 min
Jul 1, 7:20 PM EDT	Special Weather Statement	RNK	Appomattox, City of Lynchburg	55 min
Jul 1, 3:50 PM EDT	Special Weather Statement	RNK	Mercer	55 min

Nearby

Special Weather Statements in Virginia, 2009 Every 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.