Alert archive / Virginia / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 88, NWS Blacksburg, VA

June 13, 2013Charlotte County, Halifax County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 13, 2013, 4:43 PM EDT for Charlotte County, Halifax County, Virginia. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 13, 2013, 4:43 PM EDT (20:43 UTC)
Expired: Jun 13, 2013, 5:15 PM EDT
In force: 32 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon

Counties Charlotte County, VA, Halifax County, VA

The radar

The Roanoke radar (KFCX), 132 km from the middle of the area, began a volume at 20:44 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 13, 12:19 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 8.7 hours before the alert went out and 71 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: 1563 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 708 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 14 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 5.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 13, 3:59 PM EDT, 44 minutes earlier.

Area forecast discussion, Jun 13, 3:59 PM EDT, 44 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BLACKSBURG VA
359 PM EDT THU JUN 13 2013

.SYNOPSIS...
MUCH COOLER AND DRIER AIR WILL FOLLOW THIS AFTERNOON'S FRONT AS
HIGH PRESSURE BUILDS IN FROM THE NORTHWEST ON FRIDAY.

&&

.NEAR TERM /UNTIL 6 AM FRIDAY MORNING/...
AS OF 358 PM EDT THURSDAY...

CONVECTIVE SHOWERS ARE MOVING ACROSS THE PIEDMONT THIS AFTERNOON.
ALL WATCHES AND WARNINGS WILL LIKELY BE CLEARED BY 500 PM. BEHIND
THE LINE ARE SOME LIGHT SHOWERS THAT MAY LAST FOR ABOUT AN HOUR OR
TWO.

&&

.SHORT TERM /6 AM FRIDAY MORNING THROUGH SUNDAY NIGHT/...
AS OF 345 PM EDT THURSDAY...

BUSY WEATHER TODAY WILL BE A MEMORY FRIDAY AS HIGH PRESSURE PUSHES
IN FROM THE NORTHWEST. LOWER HUMIDITY AND SEASONAL TEMPS EXPECTED.
ONE STRONG SHORTWAVE IS EXPECTED TO STEER SOUTHEAST ACROSS THE AREA
AND MAY BE ENOUGH MOISTURE FOR A FEW SHOWERS ACROSS THE MTNS OF
WV/ALLEGHANY HIGHLANDS. OTHERWISE...SHOULD BE PARTLY TO MOSTLY SUNNY.

HIGH PRESSURE OVERHEAD FRIDAY NIGHT MOVES OFF THE SOUTHEAST COAST
SUNDAY. RETURN FLOW WILL BRING INCREASING HUMIDITY SUNDAY AFTERNOON
WITH SOME WEAK UPPER DISTURBANCE MOVING IN. HAVE ENOUGH COVERGENCE
IN THE MTNS SO KEPT SLIGHT CHANCE/LOW CHANCE FOR STORMS SUNDAY FOR
THE MTNS.

&&

.LONG TERM /MONDAY THROUGH THURSDAY/...
AS OF 1215 PM EDT THURSDAY...

HIGH PRESSURE WILL BE OFF THE SOUTHEAST COAST WHILE INCREASING
HUMIDITY AND PIECES OF SHORTWAVE ENERGY MOVE ACROSS THE AREA AHEAD
OF A FRONT. THE PATTERN SUGGESTS THAT MON-TUE WILL HAVE THE BETTER
THREAT OF SHOWERS/STORMS WITH THE FRONT SHIFTING SOUTHEAST OF US BY
WEDNESDAY. HIGH PRESSURE BUILDS IN BEHIND THIS FRONT OVER THE GREAT
LAKES SOUTH INTO THE TN VALLEY WEDNESDAY AND THURSDAY. THE FRONT
WILL STAY HUNG UP ACROSS THE SOUTHEAST SO THERE IS AN OUTSIDE SHOT
THAT SOME OF OUR SRN CWA COUNTIES COULD SEE A FEW SHOWERS WED OR
THU...ALTHOUGH FOR NOW LEFT IT MAINLY DRY. TEMPS ABOVE NORMAL EARLY
BECOME MORE NORMAL POST FRONTAL PASSAGE...WITH HUMIDITY DROPPING
SOME BY WED NIGHT-THU.

&&

.AVIATION /20Z THURSDAY THROUGH TUESDAY/...
AS OF 135 PM EDT THURSDAY...

CONVECTIVE LINE WILL IMPACT LWB/BLF EARLY THEN ROA/LYH/DAN AFTER
19Z UNTIL ABOUT 22-23Z. CONFIDENCE HIGH THAT TERMINALS WILL BE
AFFECT ALTHOUGH LOWER AT BCB AS INDICATIONS SHOW WEAKENING BEFORE
HITTING BCB AND JUMPING MORE EAST TO THE BLUE RIDGE AND FOOTHILLS.

WINDS WILL BE THE MAIN THREAT AND GUSTS TO 40 KNOTS PLUS IS NOT
OUT OF THE QUESTION AT ROA/LYH. WHEN THE LINE GOES THROUGH EXPECT
VSBYS TO DROP TO IFR AND CIGS TO MVFR.

THE FRONT ASSOCIATED WITH THE LINE WILL BE EAST OF THE CWA THIS
EVENING AND EXPECT ALL SITES TO BECOME VFR...ALTHOUGH SOME
LINGERING MVFR CIGS POSSIBLE AT BLF.

HIGH PRESSURE WILL BUILD IN FRIDAY AND SATURDAY RESULTING IN VFR
WEATHER. MAY SEE FOG AT THE TYPICAL LOCATIONS SUNDAY MORNING...
KLWB/KBCB...OTHERWISE VFR. LOW LEVEL SOUTHERLY FLOW RETURNS ON
SUNDAY AHEAD OF ANOTHER FRONT MOVING INTO THE MIDWEST/GREAT LAKES.
THIS WILL LIKELY BRING ISOLATED STORMS TO THE MOUNTAINS SUNDAY
AFTERNOON...WITH BETTER COVERAGE ACROSS THE REGION MONDAY AHEAD OF
THE BOUNDARY.

&&

.RNK WATCHES/WARNINGS/ADVISORIES...
VA...NONE.
NC...NONE.
WV...NONE.

&&

SYNOPSIS...RCS
NEAR TERM...RCS
SHORT TERM...WP
LONG TERM...WP
AVIATION...WP

Hazardous weather outlook, Jun 13, 4:02 PM EDT, 41 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
402 PM EDT THU JUN 13 2013

VAZ043>045-058-059-142015-
HENRY-PITTSYLVANIA-CAMPBELL-HALIFAX-CHARLOTTE-
402 PM EDT THU JUN 13 2013

...SEVERE THUNDERSTORM WATCH 306 IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

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

.DAY ONE...TONIGHT.

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

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

NCZ001>006-018>020-142015-
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES-
YADKIN-
402 PM EDT THU JUN 13 2013

...SEVERE THUNDERSTORM WATCH 307 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

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

.DAY ONE...TONIGHT.

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

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

VAZ007-009>020-022>024-032>035-046-047-WVZ042>045-142015-
TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON-CARROLL-
FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-
FRANKLIN-BEDFORD-AMHERST-APPOMATTOX-BUCKINGHAM-MERCER-SUMMERS-MONROE-
GREENBRIER-
402 PM EDT THU JUN 13 2013

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

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Jun 13, 4:19 PM EDT, 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
419 PM EDT THU JUN 13 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0400 PM     HAIL             1 SE AXTON              36.66N 79.71W
06/13/2013  E1.00 INCH       HENRY              VA   TRAINED SPOTTER

            NUMEROUS TREES DOWN AT HIGHWAY 58 AND RTE 610 AND QUATER
            SIZE HAIL

&&

CF

Local storm report, Jun 13, 4:23 PM EDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
423 PM EDT THU JUN 13 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0315 PM     TSTM WND DMG     3 NE WILKES COUNTY AIRP 36.24N 81.06W
06/13/2013                   WILKES             NC   FIRE DEPT/RESCUE

            AT 1124 BETHANY FORD RD LARGE TREES AND LIMBS DOWN

&&

CF

Local storm report, Jun 13, 4:25 PM EDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
425 PM EDT THU JUN 13 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0315 PM     TSTM WND DMG     CONCORD                 37.35N 78.98W
06/13/2013                   CAMPBELL           VA   TRAINED SPOTTER

            TREES DOWN 460 E, 2 MILES EAST OF MT. ATHOS EXIT WITH 1/2
            INCH HAIL

&&

CF

Local storm report, Jun 13, 4:27 PM EDT, 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
427 PM EDT THU JUN 13 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0215 PM     TSTM WND DMG     BLACKSBURG              37.23N 80.42W
06/13/2013                   MONTGOMERY         VA   EMERGENCY MNGR

            TREES DOWN AT DRILL FIELD DRIVE NEAR THE CHAPEL ON
            VIRGINIA TECH CAMPUS

&&

CF

Local storm report, Jun 13, 4:29 PM EDT, 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
429 PM EDT THU JUN 13 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0336 PM     TSTM WND DMG     SSW SHEPPARDS           37.38N 78.49W
06/13/2013                   BUCKINGHAM         VA   TRAINED SPOTTER

            MULTIPLE TREES DOWN

&&

CF

Local storm report, Jun 13, 4:43 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
Jun 13, 8:36 AM EDT	Special Weather Statement	RNK	Bath	54 min
Jun 13, 11:50 AM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Bath, City of Covington	40 min
Jun 13, 12:28 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Amherst, Bath, Botetourt, Rockbridge, City of Buena Vista and 1 more	47 min
Jun 13, 12:31 PM EDT	Severe Thunderstorm Warning	RNK	Giles	44 min
Jun 13, 12:45 PM EDT	Special Weather Statement	RNK	Craig	30 min
Jun 13, 1:03 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Giles, Tazewell	57 min
Jun 13, 1:31 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Craig, Giles	59 min
Jun 13, 1:37 PM EDT	Severe Thunderstorm Warning	RNK	Grayson, Smyth, Tazewell, Wythe	53 min
Jun 13, 1:45 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford, Botetourt, Rockbridge, City of Buena Vista, City of Lynchburg	60 min
Jun 13, 1:55 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Giles, Montgomery, Pulaski, Wythe, City of Radford	65 min
Jun 13, 2:12 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt, Craig, Roanoke, City of Roanoke, City of Salem	63 min
Jun 13, 2:22 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford, Botetourt, Campbell, City of Lynchburg	53 min
Jun 13, 2:31 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Floyd, Franklin, Grayson, Patrick, City of Galax	59 min
Jun 13, 2:36 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Buckingham	54 min
Jun 13, 2:42 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Campbell, Franklin, Pittsylvania	63 min
Jun 13, 2:54 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Campbell, Charlotte, Halifax	81 min
Jun 13, 3:00 PM EDT	Areal Flood Advisory	RNK	City of Lynchburg	3 hr
Jun 13, 3:05 PM EDT	Severe Thunderstorm Warning	RNK	Franklin, Henry, Pittsylvania, City of Danville, City of Martinsville	70 min
Jun 13, 3:28 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Buckingham	47 min
Jun 13, 3:32 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte, Halifax	73 min
Jun 13, 3:34 PM EDT	Severe Thunderstorm Warning	RNK	Patrick	56 min
Jun 13, 4:13 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania, City of Danville	32 min
Jun 13, 4:14 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte, Halifax	31 min
Jun 13, 2:23 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Ashe, Watauga, Wilkes	52 min
Jun 13, 3:15 PM EDT	Severe Thunderstorm Warning	RNK	Surry, Wilkes, Yadkin	60 min
Jun 13, 4:00 PM EDT	Severe Thunderstorm Warning	RNK	Caswell	90 min
Jun 13, 4:30 PM EDT	Severe Thunderstorm Warning	RNK	Rockingham	30 min
Jun 13, 10:43 AM EDT	Special Weather Statement	RNK	Greenbrier	47 min
Jun 13, 11:38 AM EDT	Special Weather Statement	RNK	Greenbrier	37 min
Jun 13, 12:17 PM EDT	Special Weather Statement	RNK	Mercer	28 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2013 Every severe thunderstorm warning in 2013

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.