Alert archive / Virginia / Special Weather Statements in 2009

Special Weather Statement, NWS Blacksburg, VA

September 9, 2009City of Radford, Virginia

NWS Blacksburg, VA issued this special weather statement at Sep 9, 2009, 4:12 PM EDT for City of Radford, Virginia. It was in force for 33 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 9, 2009, 4:12 PM EDT (20:12 UTC)
Expired: Sep 9, 2009, 4:45 PM EDT
In force: 33 min
Issued by: NWS Blacksburg, VA

County City of Radford, VA

The radar

The Roanoke radar (KFCX), 26 km from the middle of the area, began a volume at 20:13 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, 8.2 hours before the alert went out and 89 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: 202 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 591 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 9, 3:20 PM EDT, 52 minutes earlier.

Area forecast discussion, Sep 9, 3:20 PM EDT, 52 minutes before

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Hazardous weather outlook, Sep 9, 3:17 PM EDT, 55 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
317 PM EDT WED SEP 9 2009

NCZ001-002-018-VAZ007-009-010-012-015-WVZ042-101930-
ASHE-ALLEGHANY NC-WATAUGA-TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON-MERCER-
317 PM EDT WED SEP 9 2009

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

AN UPPER LEVEL LOW MOVING THROUGH KENTUCKY IS EXPECTED TO PRODUCE
SCATTERED THUNDERSTORMS INTO THIS EVENING. THE STORMS WILL BE
SLOW MOVING AND PRODUCE HEAVY RAINFALL. ISOLATED FLASH FLOODING
MAY DEVELOP. SOME OF THE STRONGER THUNDERSTORMS MAY ALSO CONTAINS
HAIL AND GUSTY WINDS.

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

THE UPPER LEVEL LOW MAY BRING ANOTHER ROUND OF THUNDERSTORMS INTO
THE AREA THURSDAY...AND MORE HEAVY RAIN WITH ISOLATED FLASH
FLOODING IS POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ003-019-VAZ011-013-014-016>020-022>024-032-033-WVZ043>045-101930-
SURRY-WILKES-GILES-PULASKI-MONTGOMERY-CARROLL-FLOYD-CRAIG-
ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-
SUMMERS-MONROE-GREENBRIER-
317 PM EDT WED SEP 9 2009

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

AN UPPER LEVEL LOW MOVING THROUGH KENTUCKY MAY PRODUCE
SCATTERED THUNDERSTORMS THIS EVENING. ANY STORMS WILL BE SLOW
MOVING AND PRODUCE HEAVY RAINFALL. ISOLATED FLASH FLOODING MAY
DEVELOP. SOME OF THE STRONGER THUNDERSTORMS MAY ALSO CONTAINS HAIL
AND GUSTY WINDS.

.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.

NCZ004>006-020-VAZ034-035-043>047-058-059-101930-
STOKES-ROCKINGHAM-CASWELL-YADKIN-BEDFORD-AMHERST-HENRY-PITTSYLVANIA-
CAMPBELL-APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-
317 PM EDT WED SEP 9 2009

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

STORMS MOVING ACROSS THE PIEDMONT WILL BE SLOW MOVING AND PRODUCE
HEAVY RAINFALL INTO THIS EVENING. ISOLATED FLASH FLOODING MAY
DEVELOP. SOME OF THE STRONGER THUNDERSTORMS MAY ALSO CONTAINS HAIL
AND GUSTY WINDS.

.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.

RCS

In the hours before

Special weather statement, Sep 9, 2:41 PM EDT, 1 hour 31 minutes before

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Special weather statement, Sep 9, 2:57 PM EDT, 1 hour 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
257 PM EDT WED SEP 9 2009

WVZ043>045-092000-
GREENBRIER WV-MONROE WV-SUMMERS WV-
257 PM EDT WED SEP 9 2009

...STRONG THUNDERSTORMS WILL AFFECT GREENBRIER...MONROE AND SUMMERS
COUNTIES...

AT 255 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 6 MILES
SOUTH OF RICHWOOD TO 7 MILES EAST OF HINTON...MOVING NORTHWEST AT 5
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 DUO AROUND 315 PM...LAWN AROUND 330 PM...
QUINWOOD AROUND 345 PM AND SANDSTONE AROUND 400 PM.

LAT...LON 3817 8038 3754 8071 3767 8102 3772 8097
      3771 8090 3775 8092 3778 8090 3783 8094
      3787 8077 3794 8081 3798 8078 3801 8079
      3803 8083 3806 8082 3805 8084 3807 8088
      3810 8086 3808 8071 3823 8050

EXPERIMENTAL

DS

Local storm report, Sep 9, 3:06 PM EDT, 1 hour 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
306 PM EDT WED SEP 09 2009

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

0113 PM     HAIL             TAZEWELL                37.12N 81.52W
09/09/2009  E0.88 INCH       TAZEWELL           VA   PUBLIC

            CREEKS ALSO COMING UP QUICKLY.

&&

RSTONEFI

Special weather statement, Sep 9, 3:14 PM EDT, 58 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
314 PM EDT WED SEP 9 2009

VAZ010>013-WVZ042-092015-
BLAND VA-GILES VA-MERCER WV-PULASKI VA-WYTHE VA-
314 PM EDT WED SEP 9 2009

...STRONG THUNDERSTORMS WILL AFFECT BLAND...GILES...MERCER...PULASKI
AND WYTHE COUNTIES...

AT 313 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 4 MILES
SOUTHEAST OF ROCKY GAP TO 4 MILES SOUTH OF ALLISONIA...MOVING NORTH
AT 20 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. EXPECT FREQUENT
CLOUD TO GROUND LIGHTNING FROM THESE STORMS. DO NOT STAY IN THE OPEN
OR SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS
WHEN A THUNDERSTORM APPROACHES.

THESE STORMS WILL BE NEAR CERES AROUND 330 PM...PRINCETON AROUND 345
PM AND OAKVALE AROUND 400 PM.

LAT...LON 3755 8107 3715 8068 3688 8073 3687 8077
      3687 8079 3723 8117

EXPERIMENTAL

DS

Special weather statement, Sep 9, 3:39 PM EDT, 33 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
339 PM EDT WED SEP 9 2009

VAZ024-092015-
ROCKBRIDGE VA-
339 PM EDT WED SEP 9 2009

...A STRONG THUNDERSTORM WILL AFFECT ROCKBRIDGE COUNTY...

AT 338 PM EDT...A STRONG THUNDERSTORM WAS LOCATED OVER LEXINGTON
CITY...MOVING SOUTHWEST AT 5 MPH.

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 LEXINGTON CITY AROUND 345 PM AND LEXINGTON
CITY AROUND 400 PM.

LAT...LON 3779 7952 3788 7942 3782 7937 3774 7945

EXPERIMENTAL

DS

Special weather statement, Sep 9, 4:12 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
412 PM EDT WED SEP 9 2009

VAZ013-014-092045-
MONTGOMERY VA-PULASKI VA-
412 PM EDT WED SEP 9 2009

...STRONG THUNDERSTORMS WILL AFFECT MONTGOMERY AND PULASKI
COUNTIES...

AT 412 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 6 MILES
NORTHWEST OF RADFORD TO 4 MILES SOUTH OF NEWPORT TO CHRISTIANSBURG.
THESE STORMS ARE NEARLY STATIONARY.

WIND GUSTS TO 30 MPH AND SMALL HAIL 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 PARROTT AROUND 430 PM AND CHRISTIANSBURG
AROUND 445 PM.

LAT...LON 3707 8031 3708 8059 3721 8069 3725 8060
      3727 8052 3729 8048

EXPERIMENTAL

DS

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 8, 8:02 PM EDT	Special Weather Statement	RNK	Carroll	28 min
Sep 9, 12:29 AM EDT	Special Weather Statement	RNK	Floyd, Pulaski	61 min
Sep 9, 12:32 PM EDT	Severe Thunderstorm Warning	RNK	Grayson, Smyth	58 min
Sep 9, 12:40 PM EDT	Severe Thunderstorm Warning	RNK	Tazewell	65 min
Sep 9, 1:08 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Smyth, Tazewell	43 min
Sep 9, 1:28 PM EDT	Flash Flood Warning	RNK	Bland, Smyth, Tazewell	4 hr
Sep 9, 1:42 PM EDT	Special Weather Statement	RNK	Grayson, Wythe	63 min
Sep 9, 2:41 PM EDT	Special Weather Statement	RNK	Carroll	34 min
Sep 9, 3:14 PM EDT	Special Weather Statement	RNK	Pulaski	61 min
Sep 9, 3:39 PM EDT	Special Weather Statement	RNK	Rockbridge, City of Lexington	36 min
Sep 9, 7:32 PM EDT	Areal Flood Advisory	RNK	City of Roanoke	3 hr
Sep 9, 7:52 PM EDT	Flash Flood Warning	RNK	City of Roanoke	3 hr
Sep 9, 1:07 AM EDT	Special Weather Statement	RNK	Ashe	53 min
Sep 8, 9:18 PM EDT	Special Weather Statement	RNK	Mercer	27 min
Sep 8, 9:36 PM EDT	Flash Flood Warning	RNK	Mercer	3 hr
Sep 8, 10:20 PM EDT	Special Weather Statement	RNK	Monroe, Summers	55 min
Sep 9, 2:57 PM EDT	Special Weather Statement	RNK	Summers	63 min
Sep 9, 5:12 PM EDT	Special Weather Statement	RNK	Summers	63 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.