Alert archive / Virginia / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 139, NWS Blacksburg, VA

June 10, 20095 counties in Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 10, 2009, 2:52 PM EDT for 5 counties in Virginia. It was in force for 68 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 10, 2009, 2:52 PM EDT (18:52 UTC)
Expired: Jun 10, 2009, 4:00 PM EDT
In force: 68 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon

Counties Bland County, VA, City of Radford, VA, Giles County, VA, Montgomery County, VA, Pulaski County, VA

The radar

The Roanoke radar (KFCX), 41 km from the middle of the area, began a volume at 18:54 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, 6.9 hours before the alert went out and 107 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: 366 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 726 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 10, 1:44 PM EDT, 1 hour 8 minutes earlier.

Area forecast discussion, Jun 10, 1:44 PM EDT, 1 hour 8 minutes before

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Hazardous weather outlook, Jun 10, 4:08 AM EDT, 10 hours 44 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
408 AM EDT WED JUN 10 2009

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>045-110815-
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES-
YADKIN-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON-
CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
PATRICK-FRANKLIN-BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-
APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-MERCER-SUMMERS-MONROE-
GREENBRIER-
408 AM EDT WED JUN 10 2009

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

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS WILL DEVELOP DURING THE AFTERNOON AND CONTINUE INTO
THE EVENING. SOME OF THESE STORMS MAY BE SEVERE...PRODUCING DAMAGING
WINDS AND LARGE HAIL. IN ADDITION...TRAINING OF THE STORMS MAY
LEAD TO SOME LOCALLY HEAVY RAINFALL.

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

THUNDERSTORMS ARE ONCE AGAIN EXPECTED THURSDAY AND FRIDAY...AND A
FEW MAY BE SEVERE PRODUCING DAMAGING WINDS AND LARGE HAIL.
AGAIN...TRAINING OF THE STORMS MAY LEAD TO SOME LOCALLY HEAVY RAINFALL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

In the hours before

Local storm report, Jun 10, 9:37 AM EDT, 5 hours 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
937 AM EDT WED JUN 10 2009

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

0700 PM     TSTM WND DMG     10 NE BUCKINGHAM        37.65N 78.42W
06/09/2009                   BUCKINGHAM         VA   COUNTY OFFICIAL

            VDOT REPORTED TREES BLOCKING ROAD AT INTERSECTION OF
            ROUTE 610/672

0730 PM     TSTM WND GST     3 E DILLWYN             37.54N 78.41W
06/09/2009  E0 MPH           BUCKINGHAM         VA   COUNTY OFFICIAL

            VDOT REPORTED TREES BLOCKING ROUTE 650

0737 PM     TSTM WND GST     NEW CANTON              37.70N 78.30W
06/09/2009  E0 MPH           BUCKINGHAM         VA   COUNTY OFFICIAL

            VDOT REPORTED TREES BLOCKING ROAD NEAR POST OFFICE

0750 PM     TSTM WND GST     5 SW NEW CANTON         37.65N 78.36W
06/09/2009  E0 MPH           BUCKINGHAM         VA   COUNTY OFFICIAL

            VDOT REPORTED TREES BLOCKING ROAD AT THE INTERSECTION OF
            ROUTE 676/671

0802 PM     TSTM WND DMG     9 ENE DILLWYN           37.59N 78.31W
06/09/2009                   BUCKINGHAM         VA   COUNTY OFFICIAL

            VDOT REPORTED TREES BLOCKING ROUTE 617 NEAR THE
            BUCKINGHAM/CUMBERLAND COUNTY LINE

&&

JWHITE

Local storm report, Jun 10, 9:38 AM EDT, 5 hours 14 minutes before

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Local storm report, Jun 10, 9:42 AM EDT, 5 hours 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
942 AM EDT WED JUN 10 2009

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

0710 PM     HAIL             2 S WEST JEFFERSON      36.37N 81.50W
06/09/2009  E0.88 INCH       ASHE               NC   TRAINED SPOTTER

&&

WERT

Local storm report, Jun 10, 11:02 AM EDT, 3 hours 50 minutes before

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Local storm report, Jun 10, 11:10 AM EDT, 3 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BLACKSBURG VA
1110 AM EDT WED JUN 10 2009

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

0338 PM     HAIL             2 N HILLSVILLE          36.80N 80.73W
06/09/2009  M0.88 INCH       CARROLL            VA   PUBLIC

            HAILED FOR 2 MINUTES

0340 PM     HAIL             HILLSVILLE              36.77N 80.73W
06/09/2009  M0.88 INCH       CARROLL            VA   PUBLIC

            DOWNTOWN HILLSVILLE

0353 PM     HAIL             HILLSVILLE              36.77N 80.73W
06/09/2009  E0.88 INCH       CARROLL            VA   TRAINED SPOTTER

0418 PM     HAIL             CANA                    36.58N 80.67W
06/09/2009  M0.88 INCH       CARROLL            VA   PUBLIC

0435 PM     HAIL             5 NW FLOYD              36.97N 80.38W
06/09/2009  M0.75 INCH       FLOYD              VA   PUBLIC

0505 PM     HAIL             MILLBORO                37.97N 79.60W
06/09/2009  E1.00 INCH       BATH               VA   TRAINED SPOTTER

0510 PM     HAIL             8 W NORTH WILKESBORO    36.17N 81.29W
06/09/2009  M0.88 INCH       WILKES             NC   PUBLIC

            HAIL FELL AT PURLEAR

0545 PM     HAIL             3 W WHITEHEAD           36.47N 81.20W
06/09/2009  E0.75 INCH       ALLEGHANY          NC   CO-OP OBSERVER

            THUMBSIZE HAIL SEVERAL INCHES DEEP. NCDOT ALSO CALLED OUT
            3 MOTOR GRADERS TO CLEAR ROADS OF GRAVEL AND DEBRIS IN
            THE WHITEHEAD NC AREA.

0545 PM     TSTM WND GST     3 N LEVEL CROSS         36.39N 80.63W
06/09/2009  E60.00 MPH       SURRY              NC   PUBLIC

            LARGE TREE LIMBS DOWN AND DIME HAIL ALSO REPORTED

0620 PM     TSTM WND GST     BENT MOUNTAIN           37.15N 80.12W
06/09/2009  U0.00 MPH        ROANOKE            VA   LAW ENFORCEMENT

            LARGE TREE BLOWN DOWN ALONG US 220

0626 PM     TSTM WND DMG     5 NE AMHERST            37.64N 78.99W
06/09/2009                   AMHERST            VA   LAW ENFORCEMENT

            TREE DOWN NEAR INTERSECTION OF ROUTE 29 AND STATE ROUTE
            610

0630 PM     HAIL             5 WNW HILLSVILLE        36.79N 80.82W
06/09/2009  E0.50 INCH       CARROLL            VA   TRAINED SPOTTER

0636 PM     TSTM WND GST     4 W NEW CANTON          37.70N 78.37W
06/09/2009  U0.00 MPH        BUCKINGHAM         VA   PUBLIC

            TREE DOWN ON HOUSE

0640 PM     TSTM WND GST     NEW CANTON              37.70N 78.30W
06/09/2009  U0.00 MPH        BUCKINGHAM         VA   EMERGENCY MNGR

            SEVERAL LARGE TREES DOWN

0645 PM     TSTM WND GST     2 SW NEW CANTON         37.68N 78.34W
06/09/2009  U0.00 MPH        BUCKINGHAM         VA   EMERGENCY MNGR

            SEVERAL TREES BLOWN DOWN

0700 PM     TSTM WND DMG     10 NE BUCKINGHAM        37.65N 78.42W
06/09/2009                   BUCKINGHAM         VA   COUNTY OFFICIAL

            VDOT REPORTED TREES BLOCKING ROAD AT INTERSECTION OF
            ROUTE 610/672

0710 PM     HAIL             2 S WEST JEFFERSON      36.37N 81.50W
06/09/2009  E0.88 INCH       ASHE               NC   TRAINED SPOTTER

0725 PM     TSTM WND DMG     9 ENE DILLWYN           37.59N 78.31W
06/09/2009                   BUCKINGHAM         VA   COUNTY OFFICIAL

            VDOT REPORTED TREES BLOCKING ROUTE 617 NEAR THE
            BUCKINGHAM/CUMBERLAND COUNTY LINE

0725 PM     TSTM WND DMG     3 E DILLWYN             37.54N 78.41W
06/09/2009                   BUCKINGHAM         VA   COUNTY OFFICIAL

            VDOT REPORTED TREES BLOCKING ROUTE 650

0733 PM     HAIL             CHILDRESS               37.07N 80.52W
06/09/2009  E0.75 INCH       MONTGOMERY         VA   PUBLIC

0737 PM     TSTM WND DMG     NEW CANTON              37.70N 78.30W
06/09/2009                   BUCKINGHAM         VA   COUNTY OFFICIAL

            VDOT REPORTED TREES BLOCKING ROAD NEAR POST OFFICE

0745 PM     TSTM WND DMG     5 SW NEW CANTON         37.65N 78.36W
06/09/2009                   BUCKINGHAM         VA   COUNTY OFFICIAL

            VDOT REPORTED TREES BLOCKING ROAD AT THE INTERSECTION OF
            ROUTE 676/671

0800 PM     HAIL             CONCORD                 37.35N 78.98W
06/09/2009  M0.88 INCH       CAMPBELL           VA   PUBLIC

0800 PM     HAIL             3 SE PHENIX             37.05N 78.71W
06/09/2009  E1.75 INCH       CHARLOTTE          VA   EMERGENCY MNGR

            VEHICLES DENTED AND WINDSHIELDS SHATTERED.

0827 PM     HAIL             CHARLOTTE COURT HOUSE   37.05N 78.63W
06/09/2009  M0.75 INCH       CHARLOTTE          VA   AMATEUR RADIO

1016 PM     TSTM WND DMG     4 E PROVIDENCE          36.50N 79.30W
06/09/2009                   CASWELL            NC   LAW ENFORCEMENT

            TREE DOWN IN ROAD

1020 PM     TSTM WND DMG     3 WSW YANCEYVILLE       36.40N 79.39W
06/09/2009                   CASWELL            NC   LAW ENFORCEMENT

            TREE DOWN IN ROAD

1024 PM     TSTM WND DMG     3 ESE MAYFIELD          36.50N 79.52W
06/09/2009                   ROCKINGHAM         NC   LAW ENFORCEMENT

            TREE DOWN ON CHANDLER MILL RD

1035 PM     TSTM WND DMG     1 E YANCEYVILLE         36.41N 79.32W
06/09/2009                   CASWELL            NC   LAW ENFORCEMENT

            TREE DOWN IN ROAD

&&

WERT

Special weather statement, Jun 10, 2:42 PM EDT, 10 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
242 PM EDT WED JUN 10 2009

VAZ010-011-013-014-101945-
BLAND VA-GILES VA-MONTGOMERY VA-PULASKI VA-
242 PM EDT WED JUN 10 2009

...A STRONG THUNDERSTORM WILL AFFECT BLAND...CITY OF RADFORD...
GILES...MONTGOMERY AND PULASKI COUNTIES...

AT 241 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 9 MILES WEST OF
POPLAR HILL...MOVING EAST AT 15 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.

THIS STORM WILL BE NEAR WHITE GATE AROUND 250 PM...THESSALIA AROUND
300 PM...POPLAR HILL...AND DUBLIN AROUND 315 PM...BANE AROUND 320
PM...PARROTT AROUND 330 PM...MC COY...EGGLESTON AND AND PEMBROKE
AROUND 335 PM.

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

LAT...LON 3738 8045 3711 8039 3707 8099 3725 8103

EXPERIMENTAL

KK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 8:17 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte, Halifax	88 min
Jun 9, 9:30 PM EDT	Flash Flood Warning	RNK	Amherst	6 hr
Jun 9, 9:57 PM EDT	Special Weather Statement	RNK	Campbell	33 min
Jun 9, 10:34 PM EDT	Special Weather Statement	RNK	Halifax	56 min
Jun 9, 11:36 PM EDT	Special Weather Statement	RNK	Bedford	24 min
Jun 10, 12:15 AM EDT	Special Weather Statement	RNK	Bath	30 min
Jun 10, 1:03 AM EDT	Special Weather Statement	RNK	City of Covington	27 min
Jun 10, 2:42 PM EDT	Special Weather Statement	RNK	Giles, City of Radford	63 min
Jun 10, 3:12 PM EDT	Special Weather Statement	RNK	Bath	63 min
Jun 10, 3:46 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Botetourt, Roanoke, City of Roanoke	59 min
Jun 10, 3:52 PM EDT	Tornado Warning	RNK	Bedford, Botetourt, Roanoke, City of Roanoke	38 min
Jun 10, 3:55 PM EDT	Severe Thunderstorm Warning	RNK	Floyd, Montgomery, Roanoke	53 min
Jun 10, 4:12 PM EDT	Special Weather Statement	RNK	Buckingham	63 min
Jun 10, 4:54 PM EDT	Special Weather Statement	RNK	City of Martinsville	66 min
Jun 10, 5:19 PM EDT	Flash Flood Warning	RNK	Amherst	6 hr
Jun 10, 5:20 PM EDT	Special Weather Statement	RNK	Craig, Giles	55 min
Jun 10, 5:56 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Campbell, Halifax, Pittsylvania	64 min
Jun 10, 6:08 PM EDT	Special Weather Statement	RNK	Pittsylvania	67 min
Jun 10, 6:55 PM EDT	Special Weather Statement	RNK	City of Danville	65 min
Jun 9, 10:06 PM EDT	Severe Thunderstorm Warning	RNK	Caswell	54 min
Jun 10, 5:58 PM EDT	Special Weather Statement	RNK	Wilkes	62 min
Jun 10, 6:29 PM EDT	Special Weather Statement	RNK	Surry	61 min
Jun 10, 6:58 PM EDT	Special Weather Statement	RNK	Yadkin	62 min
Jun 10, 7:10 PM EDT	Special Weather Statement	RNK	Stokes, Yadkin	65 min
Jun 10, 7:17 PM EDT	Special Weather Statement	RNK	Caswell, Rockingham	58 min
Jun 10, 4:46 PM EDT	Special Weather Statement	RNK	Monroe, Summers	59 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2009 Every severe thunderstorm warning 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.