Alert archive / Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Blacksburg, VA

July 6, 2011Charlotte County, Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 6, 2011, 4:01 PM EDT for Charlotte County, Virginia. It was in force for 29 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 6, 2011, 4:01 PM EDT (20:01 UTC)
Expired: Jul 6, 2011, 4:30 PM EDT
In force: 29 min
Issued by: NWS Blacksburg, VA

County Charlotte County, VA

The radar

The Norfolk radar (KAKQ), 136 km from the middle of the area, began a volume at 20:03 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, 8.0 hours before the alert went out and 91 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: 945 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 640 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

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 6, 3:31 PM EDT, 30 minutes earlier.

Area forecast discussion, Jul 6, 3:31 PM EDT, 30 minutes before

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Hazardous weather outlook, Jul 6, 11:37 AM EDT, 4 hours 24 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
1137 AM EDT WED JUL 6 2011

NCZ001>006-018>020-VAZ007-009-010-012>017-022>024-032>035-043>047-
058-059-071100-
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES-
YADKIN-TAZEWELL-SMYTH-BLAND-WYTHE-PULASKI-MONTGOMERY-GRAYSON-CARROLL-
FLOYD-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-BEDFORD-AMHERST-
HENRY-PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-
1137 AM EDT WED JUL 6 2011

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...THIS AFTERNOON AND TONIGHT.

WIDELY SCATTERED STRONG TO SEVERE THUNDERSTORMS PRODUCING HAIL AND
DAMAGING WINDS WILL BE POSSIBLE THROUGH THIS EVENING. IN
ADDITION...VERY HEAVY RAINFALL WILL ACCOMPANY SOME OF THE STORMS
RESULTING IN LOCALIZED FLOODING.

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

ISOLATED STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE THURSDAY
AND FRIDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

VAZ011-018>020-WVZ042>045-071100-
GILES-CRAIG-ALLEGHANY VA-BATH-MERCER-SUMMERS-MONROE-GREENBRIER-
1137 AM EDT WED JUL 6 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED STRONG TO SEVERE THUNDERSTORMS PRODUCING HAIL AND DAMAGING
WINDS WILL BE POSSIBLE THROUGH THIS EVENING. IN ADDITION...VERY
HEAVY RAINFALL WILL ACCOMPANY SOME OF THE STORMS RESULTING IN
LOCALIZED FLOODING.

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

ISOLATED STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE THURSDAY
AND FRIDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jul 6, 1:52 PM EDT, 2 hours 9 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
152 PM EDT WED JUL 6 2011

VAZ043-044-061815-
HENRY VA-PITTSYLVANIA VA-
152 PM EDT WED JUL 6 2011

...A STRONG THUNDERSTORM WILL AFFECT HENRY AND PITTSYLVANIA
COUNTIES...

AT 151 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES SOUTHEAST
OF MARTINSVILLE CITY...MOVING SOUTHEAST AT 10 MPH.

WIND GUSTS TO 30 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM. VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE
WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL
STREAMS. EXPECT FREQUENT CLOUD TO GROUND LIGHTNING FROM THIS STORM.
DO NOT STAY IN THE OPEN OR SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES.

THIS STORM WILL BE NEAR AXTON AROUND 205 PM AND AIKEN SUMMIT AROUND
215 PM.

LAT...LON 3655 7990 3673 7991 3680 7945 3654 7943
      3654 7970

DS

Special weather statement, Jul 6, 2:10 PM EDT, 1 hour 51 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
210 PM EDT WED JUL 6 2011

VAZ007-009-010-012-061845-
BLAND VA-SMYTH VA-TAZEWELL VA-WYTHE VA-
210 PM EDT WED JUL 6 2011

...A STRONG THUNDERSTORM WILL AFFECT BLAND...SMYTH...TAZEWELL AND
WYTHE COUNTIES...

AT 208 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES WEST OF
CERES...MOVING SOUTHEAST AT 10 MPH.

WIND GUSTS TO 30 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THIS STORM WILL BE NEAR CERES AROUND 235 PM.

LAT...LON 3701 8117 3691 8139 3702 8153 3709 8139

DS

Local storm report, Jul 6, 2:28 PM EDT, 1 hour 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
228 PM EDT WED JUL 06 2011

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

0227 PM     TSTM WND DMG     3 ESE BOONES MILL       37.10N 79.91W
07/06/2011                   FRANKLIN           VA   FIRE DEPT/RESCUE

            TREES DOWN

&&

AMS

Local storm report, Jul 6, 3:33 PM EDT, 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
333 PM EDT WED JUL 06 2011

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

0245 PM     TSTM WND GST     WYTHEVILLE              36.95N 81.08W
07/06/2011  M51 MPH          WYTHE              VA   TRAINED SPOTTER

0300 PM     HEAVY RAIN       WYTHEVILLE              36.95N 81.08W
07/06/2011  M2.00 INCH       WYTHE              VA   TRAINED SPOTTER

            TWO INCHES OF RAIN FELL IN 35 MINUTES IN THE COMMUNITY OF
            WYTHEVILLE.

&&

16

Local storm report, Jul 6, 3:34 PM EDT, 27 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE BLACKSBURG VA
334 PM EDT WED JUL 06 2011

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

1253 PM     TSTM WND DMG     3 ESE BOONES MILL       37.10N 79.91W
07/06/2011                   FRANKLIN           VA   FIRE DEPT/RESCUE

            TREES DOWN

&&

AMS

Special weather statement, Jul 6, 4:01 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
401 PM EDT WED JUL 6 2011

VAZ058-059-062030-
CHARLOTTE VA-HALIFAX VA-
401 PM EDT WED JUL 6 2011

...STRONG THUNDERSTORMS WILL AFFECT CHARLOTTE AND HALIFAX COUNTIES...

AT 358 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 6 MILES
NORTHEAST OF CLOVER TO 3 MILES SOUTHWEST OF CLOVER...MOVING EAST AT
25 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS.

THESE STORMS WILL BE NEAR REDOAK AROUND 420 PM AND WYLLIESBURG AROUND
425 PM.

LAT...LON 3697 7847 3694 7847 3691 7848 3689 7848
      3678 7857 3673 7885 3694 7869 3699 7846
      3697 7846

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 4:09 AM EDT	Special Weather Statement	RNK	Bedford, Franklin, City of Lynchburg	51 min
Jul 6, 12:22 PM EDT	Special Weather Statement	RNK	City of Roanoke	23 min
Jul 6, 12:23 PM EDT	Special Weather Statement	RNK	Henry	37 min
Jul 6, 12:34 PM EDT	Severe Thunderstorm Warning	RNK	Franklin, Roanoke	56 min
Jul 6, 12:56 PM EDT	Severe Thunderstorm Warning	RNK	Henry, Patrick	43 min
Jul 6, 1:12 PM EDT	Special Weather Statement	RNK	Franklin	33 min
Jul 6, 1:17 PM EDT	Special Weather Statement	RNK	City of Martinsville	28 min
Jul 6, 1:19 PM EDT	Special Weather Statement	RNK	Patrick	26 min
Jul 6, 1:25 PM EDT	Special Weather Statement	RNK	Franklin	35 min
Jul 6, 1:29 PM EDT	Special Weather Statement	RNK	Appomattox	31 min
Jul 6, 1:52 PM EDT	Special Weather Statement	RNK	City of Martinsville	23 min
Jul 6, 2:06 PM EDT	Flash Flood Warning	RNK	Roanoke, City of Roanoke, City of Salem	3 hr
Jul 6, 2:07 PM EDT	Severe Thunderstorm Warning	RNK	Henry, Pittsylvania, City of Danville	32 min
Jul 6, 2:10 PM EDT	Special Weather Statement	RNK	Tazewell	35 min
Jul 6, 2:17 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Buckingham, Campbell, Charlotte	73 min
Jul 6, 2:25 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Franklin, Roanoke, City of Roanoke, City of Salem	22 min
Jul 6, 2:38 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Patrick	67 min
Jul 6, 2:51 PM EDT	Severe Thunderstorm Warning	RNK	Smyth, Tazewell	54 min
Jul 6, 4:48 PM EDT	Special Weather Statement	RNK	Halifax	27 min
Jul 6, 6:05 PM EDT	Special Weather Statement	RNK	Halifax	10 min
Jul 6, 6:46 PM EDT	Special Weather Statement	RNK	Halifax	14 min
Jul 6, 3:15 PM EDT	Severe Thunderstorm Warning	RNK	Surry	30 min
Jul 6, 4:15 PM EDT	Special Weather Statement	RNK	Stokes	30 min
Jul 6, 4:20 PM EDT	Severe Thunderstorm Warning	RNK	Surry, Wilkes, Yadkin	34 min
Jul 6, 4:57 PM EDT	Special Weather Statement	RNK	Wilkes	18 min
Jul 6, 6:04 PM EDT	Special Weather Statement	RNK	Wilkes	41 min

Nearby

Special Weather Statements in Virginia, 2011 Every special weather statement in 2011

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.