Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

May 22, 2012Appomattox County, Campbell County, City of Lynchburg, Virginia

NWS Blacksburg, VA issued this special weather statement at May 22, 2012, 6:38 PM EDT for Appomattox County, Campbell County, City of Lynchburg, Virginia. It was in force for 52 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: May 22, 2012, 6:38 PM EDT (22:38 UTC)
Expired: May 22, 2012, 7:30 PM EDT
In force: 52 min
Issued by: NWS Blacksburg, VA

Counties Appomattox County, VA, Campbell County, VA, City of Lynchburg, VA

The radar

The Roanoke radar (KFCX), 126 km from the middle of the area, began a volume at 22:38 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, 10.6 hours before the alert went out and 54 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: 166 J/kg
Mixed-layer CIN: -84 J/kg
Mixed-layer LCL: 872 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 35 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 May 22, 6:38 PM EDT, 0 minutes earlier.

Area forecast discussion, May 22, 6:38 PM EDT, 0 minutes before

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Hazardous weather outlook, May 22, 2:52 PM EDT, 3 hours 46 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
252 PM EDT TUE MAY 22 2012

NCZ001-002-018-VAZ007-009>020-022>024-WVZ042>045-231900-
ASHE-ALLEGHANY NC-WATAUGA-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-
MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-
BOTETOURT-ROCKBRIDGE-MERCER-SUMMERS-MONROE-GREENBRIER-
252 PM EDT TUE MAY 22 2012

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

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

   FLASH FLOOD WATCH.

IN ADDITION...SOME THUNDERSTORMS COULD PRODUCE STRONG WINDS AND HAIL
INTO THIS EVENING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THE POTENTIAL EXISTS FOR MORE HEAVY RAIN PRODUCING THUNDERSTORMS
WEDNESDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME...ALTHOUGH
SPOTTERS ARE ENCOURAGED TO REPORT FLOODING...HEAVY RAIN OVER 1
INCH PER HOUR...HAIL OR WIND DAMAGE TO OUR OFFICE.

NCZ003>006-019-020-VAZ032>035-043>047-058-059-231900-
SURRY-STOKES-ROCKINGHAM-CASWELL-WILKES-YADKIN-PATRICK-FRANKLIN-
BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-
HALIFAX-CHARLOTTE-
252 PM EDT TUE MAY 22 2012

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.

SCATTERED THUNDERSTORMS MAY BRING HEAVY RAINFALL...FREQUENT CLOUD
TO GROUND LIGHTNING...AND ISOLATED STRONG WINDS OR HAIL INTO THIS
EVENING. LOCALIZED FLOODING IS ALSO POSSIBLE...ESPECIALLY IN AREAS
THAT RECEIVED HEAVIER RAINFALL ON MONDAY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

HEAVY RAIN PRODUCING THUNDERSTORMS CAN BE EXPECTED AGAIN WEDNESDAY
AFTERNOON AND EVENING. LOCALIZED FLOODING IS POSSIBLE ALONG WITH
SOME HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME...ALTHOUGH
SPOTTERS ARE ENCOURAGED TO REPORT FLOODING...HEAVY RAIN OVER 1
INCH PER HOUR...HAIL OR WIND DAMAGE TO OUR OFFICE.

In the hours before

Special weather statement, May 22, 5:18 PM EDT, 1 hour 20 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
518 PM EDT TUE MAY 22 2012

VAZ016-017-222200-
CARROLL VA-FLOYD VA-
518 PM EDT TUE MAY 22 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN CARROLL AND
WESTERN FLOYD COUNTIES...

AT 513 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES NORTHEAST
OF HILLSVILLE...MOVING NORTHEAST AT 5 MPH.

THIS STORM WILL BE CAPABLE OF PRODUCING HAIL UP TO DIME SIZE AND
LOCALLY VERY HEAVY RAINFALL. 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 DUGSPUR AROUND 530 PM AND INDIAN VALLEY
AROUND 600 PM.

LAT...LON 3682 8081 3687 8078 3689 8071 3694 8063
      3694 8059 3700 8052 3701 8052 3699 8049
      3702 8045 3701 8044 3694 8030 3672 8062

RAB

Special weather statement, May 22, 5:34 PM EDT, 1 hour 4 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
534 PM EDT TUE MAY 22 2012

VAZ034-222215-
BEDFORD VA-
534 PM EDT TUE MAY 22 2012

...A STRONG THUNDERSTORM WILL AFFECT BEDFORD COUNTY...

AT 530 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 7 MILES SOUTHEAST
OF MONTVALE. OTHER STORMS WERE DEVELOPING NEAR THAXTON...AND
NORTHEAST OF THE CITY OF BEDFORD. LITTLE MOVEMENT WAS INDICATED WITH
THIS ACTIVITY.

EACH OF THESE STORMS WILL BE CAPABLE OF PRODUCING HAIL UP TO DIME
SIZE AND FREQUENT CLOUD-TO-GROUND LIGHTNING. 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 D-DAY MEMORIAL AROUND 615 PM.

LAT...LON 3740 7932 3713 7961 3729 7976 3753 7943

RAB

Local storm report, May 22, 5:38 PM EDT, 1 hour before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
538 PM EDT TUE MAY 22 2012

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

0500 PM     HAIL             3 WSW FORKS OF BUFFALO  37.67N 79.24W
05/22/2012  E0.75 INCH       AMHERST            VA   PUBLIC

            SLAPP CREEK ROAD

&&

FISHER

Local storm report, May 22, 5:55 PM EDT, 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
555 PM EDT TUE MAY 22 2012

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

0530 PM     HAIL             4 NNW CLIFFORD          37.70N 79.07W
05/22/2012  E1.00 INCH       AMHERST            VA   PUBLIC

            LOWESVILLE ROAD

&&

FISHER

Local storm report, May 22, 6:17 PM EDT, 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
617 PM EDT TUE MAY 22 2012

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

0600 PM     FLASH FLOOD      6 NNE BLUEFIELD         37.34N 81.18W
05/22/2012                   MERCER             WV   911 CALL CENTER

            SANDLICK ROAD CLOSED DUE TO WATER OVER ROAD AND
            MUDSLIDES.

&&

FISHER

Special weather statement, May 22, 6:38 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
May 21, 8:16 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Franklin, City of Roanoke	59 min
May 21, 9:06 PM EDT	Special Weather Statement	RNK	Pittsylvania, City of Danville	39 min
May 21, 10:42 PM EDT	Areal Flood Advisory	RNK	Amherst, Bath, Rockbridge, City of Buena Vista, City of Lexington	3 hr
May 21, 11:46 PM EDT	Special Weather Statement	RNK	Amherst	59 min
May 22, 3:27 AM EDT	Flash Flood Watch	RNK	Alleghany, Bath, Bland, Botetourt, Carroll, Craig and 17 more	18 hr
May 22, 3:32 PM EDT	Special Weather Statement	RNK	Rockbridge	58 min
May 22, 3:39 PM EDT	Special Weather Statement	RNK	Giles	66 min
May 22, 3:54 PM EDT	Special Weather Statement	RNK	Floyd, Patrick	66 min
May 22, 4:22 PM EDT	Special Weather Statement	RNK	Rockbridge, City of Buena Vista, City of Lexington	53 min
May 22, 4:57 PM EDT	Severe Thunderstorm Warning	RNK	Amherst	63 min
May 22, 5:18 PM EDT	Special Weather Statement	RNK	Floyd	42 min
May 22, 5:34 PM EDT	Special Weather Statement	RNK	Bedford	41 min
May 22, 6:01 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, City of Lynchburg	44 min
May 22, 6:30 PM EDT	Severe Thunderstorm Warning	RNK	Buckingham	60 min
May 22, 7:18 PM EDT	Special Weather Statement	RNK	City of Danville	57 min
May 22, 7:54 PM EDT	Severe Thunderstorm Warning	RNK	Henry, City of Martinsville	36 min
May 22, 6:20 PM EDT	Severe Thunderstorm Warning	RNK	Rockingham	40 min
May 22, 6:55 PM EDT	Special Weather Statement	RNK	Caswell	50 min
May 22, 7:11 PM EDT	Special Weather Statement	RNK	Surry, Yadkin	64 min
May 22, 1:28 PM EDT	Special Weather Statement	RNK	Summers	47 min
May 22, 3:10 PM EDT	Special Weather Statement	RNK	Monroe	65 min
May 22, 3:50 PM EDT	Special Weather Statement	RNK	Mercer	55 min
May 22, 4:33 PM EDT	Areal Flood Advisory	RNK	Mercer	117 min
May 22, 4:51 PM EDT	Flash Flood Warning	RNK	Mercer	3 hr

Nearby

Special Weather Statements in Virginia, 2012 Every special weather statement in 2012

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.