Alert archive / Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Blacksburg, VA

September 6, 20116 counties in Virginia

NWS Blacksburg, VA issued this special weather statement at Sep 6, 2011, 3:39 AM EDT for 6 counties in Virginia. It was in force for 66 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: Sep 6, 2011, 3:39 AM EDT (07:39 UTC)
Expired: Sep 6, 2011, 4:45 AM EDT
In force: 66 min
Issued by: NWS Blacksburg, VA

Counties Appomattox County, VA, Bedford County, VA, Campbell County, VA, City of Lynchburg, VA, Franklin County, VA, Pittsylvania County, VA

The radar

The Roanoke radar (KFCX), 79 km from the middle of the area, began a volume at 07:40 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 00:00Z, 7.7 hours before the alert went out and 8 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: 272 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 634 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 170 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.0

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 Sep 6, 2:34 AM EDT, 1 hour 5 minutes earlier.

Area forecast discussion, Sep 6, 2:34 AM EDT, 1 hour 5 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Sep 6, 2:31 AM EDT, 1 hour 8 minutes before

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In the hours before

Local storm report, Sep 5, 11:15 PM EDT, 4 hours 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1115 PM EDT MON SEP 05 2011

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

0424 PM     TSTM WND DMG     5 ESE SPARTA            36.47N 81.05W
09/05/2011                   ALLEGHANY          NC   911 CALL CENTER

            ONE TREE DOWN ON GLADE VALLEY ROAD ALONG ROUTE 21

&&

PW

Local storm report, Sep 5, 11:40 PM EDT, 3 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1140 PM EDT MON SEP 05 2011

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

1006 PM     TSTM WND DMG     4 NW FRANCISCO          36.54N 80.42W
09/05/2011                   STOKES             NC   911 CALL CENTER

            ONE TREE DOWN ON FLIPPIN ROAD

&&

PW

Special weather statement, Sep 5, 11:43 PM EDT, 3 hours 56 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1143 PM EDT MON SEP 5 2011

VAZ033>035-045>047-060445-
AMHERST VA-APPOMATTOX VA-BEDFORD VA-BUCKINGHAM VA-CAMPBELL VA-
FRANKLIN VA-
1143 PM EDT MON SEP 5 2011

...STRONG THUNDERSTORMS WILL AFFECT AMHERST...APPOMATTOX...BEDFORD...
BUCKINGHAM...CAMPBELL AND FRANKLIN COUNTIES...

AT 1138 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 13 MILES
NORTHEAST OF FORKS OF BUFFALO TO 6 MILES EAST OF BOONES MILL...MOVING
NORTHEAST AT 40 MPH.

WIND GUSTS TO 30 MPH ARE POSSIBLE WITH THESE STORMS. VERY HEAVY RAIN
WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO POND ON ROADS
AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THESE STORMS WILL BE NEAR SMITH MOUNTAIN LAKE...AND GOODVIEW AROUND
1150 PM...MONETA...AND BIG ISLAND AROUND 1155 PM...PLEASANT
VIEW...AND FORKS OF BUFFALO AROUND MIDNIGHT.

FOR ADDITIONAL WEATHER INFORMATION...VISIT US ON THE WEB AT
HTTP://WEATHER.GOV.

LAT...LON 3750 7834 3709 7988 3782 7915 3777 7906
      3772 7906 3770 7898 3756 7890 3754 7885
      3764 7882 3764 7872 3770 7869 3769 7865
      3771 7866 3776 7861 3776 7851 3780 7849
      3774 7842 3769 7824 3764 7824

AMS

Local storm report, Sep 5, 11:46 PM EDT, 3 hours 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1146 PM EDT MON SEP 05 2011

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

1006 PM     TSTM WND DMG     5 W SANDY RIDGE         36.51N 80.22W
09/05/2011                   STOKES             NC   911 CALL CENTER

            ONE TREE DOWN ON MOORE ROAD

&&

PW

Special weather statement, Sep 6, 12:51 AM EDT, 2 hours 48 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1251 AM EDT TUE SEP 6 2011

VAZ045>047-060545-
APPOMATTOX VA-BUCKINGHAM VA-CAMPBELL VA-
1251 AM EDT TUE SEP 6 2011

...A STRONG THUNDERSTORM WILL AFFECT APPOMATTOX...BUCKINGHAM AND
CAMPBELL COUNTIES...

AT 1248 AM EDT...A STRONG THUNDERSTORM WAS LOCATED OVER CONCORD...
MOVING NORTHEAST AT 35 MPH.

WIND GUSTS TO 40 MPH 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 OAKVILLE AROUND 100 AM...HIXBURG AROUND 105
AM...TOWER HILL AROUND 115 AM...TOGA AROUND 120 AM...WINGINA AROUND
130 AM AND DILLWYN AROUND 135 AM.

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

LAT...LON 3747 7836 3722 7890 3732 7909 3745 7900
      3749 7894 3750 7895 3750 7893 3755 7887
      3754 7883 3763 7883 3764 7872 3770 7869
      3769 7865 3771 7866 3776 7861 3776 7851
      3780 7849 3774 7842 3769 7824 3764 7824

JH

Special weather statement, Sep 6, 3:39 AM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
339 AM EDT TUE SEP 6 2011

VAZ023-024-033>035-044>047-058-060845-
AMHERST VA-APPOMATTOX VA-BEDFORD VA-BOTETOURT VA-BUCKINGHAM VA-
CAMPBELL VA-FRANKLIN VA-HALIFAX VA-PITTSYLVANIA VA-ROCKBRIDGE VA-
339 AM EDT TUE SEP 6 2011

...SHOWERS WITH HEAVY RAIN WILL AFFECT AMHERST...APPOMATTOX...
BEDFORD...BOTETOURT...BUCKINGHAM...CAMPBELL...FRANKLIN...HALIFAX...
PITTSYLVANIA AND ROCKBRIDGE COUNTIES...

AT 335 AM EDT...SHOWERS WITH HEAVY RAIN WERE ALONG A LINE FROM ROCKY
MOUNT TO 4 MILES NORTHEAST OF CALLANDS TO 5 MILES SOUTHWEST OF MT
AIRY...MOVING NORTHEAST AT 45 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE SHOWERS. VERY HEAVY RAIN
WITH RATES AROUND 3 INCHES PER HOUR...WILL FALL FROM THESE
SHOWERS...AND WILL CAUSE WATER TO POND ON ROADS AND QUICKLY FILL
ROADSIDE DITCHES AND SMALL STREAMS. AN ADDITIONAL ONE INCH OF RAIN
IN A VERY SHORT PERIOD IS LIKELY WITH THESE SHOWERS.

THESE SHOWERS WILL BE NEAR BURNT CHIMNEY...WESTERN SMITH MOUNTAIN
LAKE...SOUTHERN SMITH MOUNTAIN LAKE...AND GRETNA AROUND 345 AM...
STRAIGHTSTONE...PITTSVILLE...AND CODY AROUND 350 AM...NORTHWEST SMITH
MOUNTAIN LAKE...AND SMITH MOUNTAIN LAKE STATE PARK AROUND 355 AM AND
STEWARTSVILLE AROUND 400 AM.

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

LAT...LON 3681 7917 3680 7959 3701 8002 3721 7989
      3723 7984 3726 7985 3776 7952 3755 7908
      3754 7883 3756 7866

JH

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 5, 8:12 PM EDT	Tornado Warning	RNK	Craig, Giles, Montgomery, Roanoke	33 min
Sep 5, 8:17 PM EDT	Special Weather Statement	RNK	Amherst, Bedford, Franklin, City of Lynchburg	28 min
Sep 5, 8:36 PM EDT	Tornado Warning	RNK	Bedford	39 min
Sep 5, 9:24 PM EDT	Special Weather Statement	RNK	Amherst, City of Lynchburg	36 min
Sep 5, 9:40 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Patrick	45 min
Sep 5, 10:00 PM EDT	Special Weather Statement	RNK	Appomattox, Buckingham, City of Lynchburg	60 min
Sep 5, 10:03 PM EDT	Tornado Warning	RNK	Carroll, Patrick	27 min
Sep 5, 10:09 PM EDT	Flash Flood Warning	RNK	Floyd, Franklin, Roanoke	6 hr
Sep 5, 10:19 PM EDT	Flash Flood Warning	RNK	Carroll, Floyd, Patrick	6 hr
Sep 5, 10:23 PM EDT	Special Weather Statement	RNK	Campbell, City of Lynchburg	67 min
Sep 5, 10:50 PM EDT	Severe Thunderstorm Warning	RNK	Buckingham	25 min
Sep 5, 10:52 PM EDT	Flash Flood Warning	RNK	Bedford, Campbell, Franklin, City of Lynchburg	6 hr
Sep 5, 11:04 PM EDT	Flash Flood Warning	RNK	Carroll, Floyd, Franklin, Patrick	6 hr
Sep 5, 11:22 PM EDT	Flash Flood Warning	RNK	Amherst	6 hr
Sep 5, 11:43 PM EDT	Special Weather Statement	RNK	Amherst, Bedford, Buckingham, City of Lynchburg	62 min
Sep 6, 12:17 AM EDT	Flash Flood Warning	RNK	Carroll, Grayson, City of Galax	6 hr
Sep 6, 12:51 AM EDT	Special Weather Statement	RNK	Appomattox, Buckingham	54 min
Sep 6, 1:10 AM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Buckingham	65 min
Sep 6, 3:30 AM EDT	Areal Flood Warning	RNK	Alleghany, Amherst, Bath, Bedford, Botetourt, Craig and 7 more	18 hr
Sep 6, 3:38 AM EDT	Areal Flood Warning	RNK	Carroll, Floyd, Franklin, Giles, Grayson, Montgomery and 5 more	18 hr
Sep 6, 4:34 AM EDT	Special Weather Statement	RNK	Halifax	56 min
Sep 6, 4:51 AM EDT	Severe Thunderstorm Warning	RNK	Charlotte, Halifax	54 min
Sep 6, 5:04 AM EDT	Tornado Warning	RNK	Charlotte, Halifax	26 min
Sep 6, 5:28 AM EDT	Tornado Warning	RNK	Charlotte, Halifax	47 min
Sep 6, 7:43 AM EDT	Flash Flood Warning	RNK	Floyd, Franklin, Roanoke	6 hr
Sep 6, 8:28 AM EDT	Tornado Warning	RNK	Carroll, Patrick	19 min
Sep 6, 9:48 AM EDT	Tornado Warning	RNK	Patrick	27 min
Sep 6, 9:57 AM EDT	Areal Flood Warning	RNK	Carroll, Grayson, Patrick	12 hr
Sep 5, 8:44 PM EDT	Flash Flood Warning	RNK	Watauga, Wilkes	6 hr
Sep 5, 9:01 PM EDT	Special Weather Statement	RNK	Surry	29 min
Sep 5, 9:13 PM EDT	Severe Thunderstorm Warning	RNK	Wilkes	47 min
Sep 5, 9:20 PM EDT	Special Weather Statement	RNK	Rockingham, Stokes, Surry, Yadkin	55 min
Sep 6, 6:58 AM EDT	Areal Flood Warning	RNK	Ashe, Watauga	3 hr
Sep 6, 9:27 AM EDT	Flash Flood Warning	RNK	Ashe, Watauga, Wilkes	5 hr
Sep 6, 11:38 AM EDT	Special Weather Statement	RNK	Surry	37 min
Sep 6, 1:10 PM EDT	Tornado Warning	RNK	Caswell	35 min
Sep 6, 3:07 PM EDT	Special Weather Statement	RNK	Rockingham	23 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.