Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

January 17, 201211 counties in Virginia; 9 counties in North Carolina

NWS Blacksburg, VA issued this special weather statement at Jan 17, 2012, 6:39 PM EST for 11 counties in Virginia; 9 counties in North Carolina. It was in force for 51 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: Jan 17, 2012, 6:39 PM EST (23:39 UTC)
Expired: Jan 17, 2012, 7:30 PM EST
In force: 51 min
Issued by: NWS Blacksburg, VA

Counties Alleghany County, NC, Ashe County, NC, Caswell County, NC, Rockingham County, NC, Stokes County, NC, Surry County, NC, Watauga County, NC, Wilkes County, NC, Yadkin County, NC, Carroll County, VA, City of Danville, VA, City of Galax, VA, City of Martinsville, VA, Floyd County, VA, Grayson County, VA, Halifax County, VA, Henry County, VA, Patrick County, VA, Pittsylvania County, VA, Wythe County, VA

The radar

The Roanoke radar (KFCX), 71 km from the middle of the area, began a volume at 23:43 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, 11.7 hours before the alert went out and 122 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 972 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 360 m²/s²
0-3 km storm-relative helicity: 302 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 Jan 17, 6:28 PM EST, 11 minutes earlier.

Area forecast discussion, Jan 17, 6:28 PM EST, 11 minutes before

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Hazardous weather outlook, Jan 17, 6:30 PM EST, 9 minutes before

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In the hours before

Special weather statement, Jan 17, 4:20 PM EST, 2 hours 19 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
420 PM EST TUE JAN 17 2012

VAZ019-020-023-024-WVZ045-172215-
ALLEGHANY VA-BATH VA-BOTETOURT VA-GREENBRIER WV-ROCKBRIDGE VA-
420 PM EST TUE JAN 17 2012

...A SHOWER WITH HEAVY RAIN WILL AFFECT ALLEGHANY...BATH...
BOTETOURT...GREENBRIER AND ROCKBRIDGE COUNTIES...

AT 417 PM EST...A SHOWER WITH HEAVY RAIN WAS LOCATED 8 MILES WEST OF
RENICK...MOVING EAST AT 40 MPH.

WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THIS SHOWER. VERY HEAVY RAIN
WILL FALL FROM THIS SHOWER...AND WILL CAUSE WATER TO POND ON ROADS
AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THIS SHOWER WILL BE NEAR RENICK...FALLING SPRING...AND FRANKFORD
AROUND 425 PM...RORER...AND BEARTOWN STATE PARK AROUND 430 PM...
ALVON...AND NEOLA AROUND 440 PM...NATURAL WELL...CALLISON AND AND
LAKE MOOMAW AROUND 455 PM.

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

LAT...LON 3823 8035 3811 8035 3805 8026 3804 8021
      3807 7997 3818 7992 3827 7981 3822 7970
      3820 7955 3818 7951 3816 7952 3817 7944
      3811 7948 3805 7942 3766 7947 3799 8074
      3809 8070 3827 8044

KK

Special weather statement, Jan 17, 4:28 PM EST, 2 hours 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
428 PM EST TUE JAN 17 2012

VAZ011-018-019-022>024-WVZ042>045-172230-
ALLEGHANY VA-BOTETOURT VA-CRAIG VA-GILES VA-GREENBRIER WV-MERCER WV-
MONROE WV-ROANOKE VA-ROCKBRIDGE VA-SUMMERS WV-
428 PM EST TUE JAN 17 2012

...SCATTERED SHOWERS WITH HEAVY RAIN AND GUSTY WINDS WILL AFFECT
ALLEGHANY...BOTETOURT...CRAIG...GILES...GREENBRIER...MERCER...MONROE.
..ROANOKE...ROCKBRIDGE AND SUMMERS COUNTIES...

AT 422 PM EST...SHOWERS WITH HEAVY RAIN AND GUSTY WINDS WERE LOCATED
6 MILES NORTH OF ALDERSON SOUTH TO FLAT TOP...MOVING EAST AT 40 MPH.

WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THIS SHOWER. VERY HEAVY RAIN
WILL FALL FROM THIS SHOWER...AND WILL CAUSE WATER TO POND ON ROADS
AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THIS SHOWER WILL BE NEAR FAIRLEA...RONCEVERTE...PICKAWAY...AND UNION
AROUND 435 PM...FAIRLEA...GREENBRIER RIVER TRAIL...LEWISBURG...AND
ORGAN CAVE AROUND 440 PM...GREENBRIER STATE FOREST AND AND ROARING
MOUNTAIN SUMMIT AROUND 445 PM.

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

LAT...LON 3772 7956 3741 7979 3740 7981 3739 7980
      3735 7983 3744 8128 3760 8116 3761 8108
      3764 8107 3772 8098 3770 8090 3774 8093
      3778 8090 3782 8094 3788 8076 3794 8081
      3800 8078

KK

Special weather statement, Jan 17, 5:13 PM EST, 1 hour 26 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
513 PM EST TUE JAN 17 2012

VAZ019-020-023-024-034-035-172315-
ALLEGHANY VA-AMHERST VA-BATH VA-BEDFORD VA-BOTETOURT VA-ROCKBRIDGE VA-
513 PM EST TUE JAN 17 2012

...SHOWERS WITH HEAVY RAIN AND GUSTY WINDS WILL AFFECT
ALLEGHANY...AMHERST...BATH...BEDFORD...BOTETOURT AND ROCKBRIDGE
COUNTIES...

AT 509 PM EST...SHOWERS WITH HEAVY RAIN AND GUSTY WINDS WERE LOCATED
OVER CLIFTON FORGE CITY...MOVING EAST AT 40 MPH.

WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE SHOWERS. VERY HEAVY RAIN
WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO POND ON ROADS
AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

STORMS WILL BE NEAR COLLIERSTOWN AROUND 520 PM...LEXINGTON CITY
AROUND 525 PM...BUENA VISTA CITY AROUND 530 PM...CORNWALL AROUND 535
PM...VESUVIUS AROUND 540 PM AND LOWESVILLE AROUND 545 PM.

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

LAT...LON 3810 7948 3809 7948 3789 7915 3782 7916
      3777 7906 3773 7906 3739 7930 3781 8007
      3810 7994 3818 7992

KK

Special weather statement, Jan 17, 5:24 PM EST, 1 hour 15 minutes before

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Special weather statement, Jan 17, 5:42 PM EST, 57 minutes before

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Special weather statement, Jan 17, 6:39 PM EST, 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
Jan 17, 11:50 AM EST	Wind Advisory	RNK	Tazewell	7 hr
Jan 17, 3:29 PM EST	Special Weather Statement	RNK	Alleghany	61 min
Jan 17, 4:20 PM EST	Special Weather Statement	RNK	Bath	55 min
Jan 17, 4:28 PM EST	Special Weather Statement	RNK	Alleghany, Botetourt, Craig, City of Covington	62 min
Jan 17, 5:13 PM EST	Special Weather Statement	RNK	Alleghany, Amherst, Bath, Rockbridge, City of Buena Vista, City of Covington and 1 more	62 min
Jan 17, 5:24 PM EST	Special Weather Statement	RNK	Bedford, Botetourt, Craig, Roanoke, City of Roanoke, City of Salem	51 min
Jan 17, 5:42 PM EST	Special Weather Statement	RNK	Carroll, Floyd, Henry, Patrick, City of Galax, City of Martinsville	63 min
Jan 17, 3:26 PM EST	Special Weather Statement	RNK	Greenbrier	49 min

Nearby

Special Weather Statements in Virginia, 2012 Special Weather Statements in North Carolina, 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.