Alert archive / Virginia / Special Weather Statements in 2012
Special Weather Statement, NWS Blacksburg, VA
NWS Blacksburg, VA issued this special weather statement at May 29, 2012, 4:21 PM EDT for Pulaski County, Virginia. It was in force for 39 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 29, 2012, 4:21 PM EDT (20:21 UTC)
- Expired
- May 29, 2012, 5:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Blacksburg, VA
County Pulaski County, VA
The radar
The Roanoke radar (KFCX), 42 km from the middle of the area, began a volume at 20:23 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, 8.4 hours before the alert went out and 113 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.
- Mixed-layer CAPE
- 190 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 708 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -93 m²/s²
- 0-3 km storm-relative helicity
- -49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
157
WWUS81 KRNK 292021
SPSRNK
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
421 PM EDT TUE MAY 29 2012
VAZ013-014-016-017-292100-
CARROLL VA-FLOYD VA-MONTGOMERY VA-PULASKI VA-
421 PM EDT TUE MAY 29 2012
...STRONG THUNDERSTORMS WILL AFFECT PORTIONS OF
CARROLL...FLOYD...MONTGOMERY AND PULASKI COUNTIES...
AT 419 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 6 MILES
NORTH OF INDIAN VALLEY TO 8 MILES WEST OF HILLSVILLE...MOVING EAST AT
10 MPH.
VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
THE STORMS ARE ALSO NEAR CLAYTOR LAKE...AND IF ON OR NEAR THE
LAKE...GET OUT OF THE WATER AND MOVE INDOORS OR INSIDE A VEHICLE.
THESE STORMS WILL AFFECT GRAYSONTOWN...CHILDRESS...COPPER VALLEY
AND INDIAN VALLEY THROUGH 500 PM.
THE PUBLIC IS ENCOURAGED TO RELAY REPORTS OF STRONG WINDS...HAIL OR
FLOODING TO THE NATIONAL WEATHER SERVICE IN BLACKSBURG BY CALLING
1...8 6 6...2 1 5...4 3 2 4...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3685 8086 3685 8083 3688 8075 3692 8077
3704 8062 3714 8019 3683 8065 3678 8094
$$
WPThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 3:34 PM EDT | Special Weather Statement | RNK | Tazewell | 26 min |
| May 29, 4:05 PM EDT | Special Weather Statement | RNK | Tazewell | 25 min |
| May 29, 4:35 PM EDT | Special Weather Statement | RNK | Bath | 40 min |
| May 29, 4:41 PM EDT | Special Weather Statement | RNK | Pulaski | 49 min |
| May 29, 4:50 PM EDT | Special Weather Statement | RNK | Alleghany | 40 min |
| May 29, 4:56 PM EDT | Special Weather Statement | RNK | Craig | 49 min |
| May 29, 5:20 PM EDT | Areal Flood Advisory | RNK | Giles | 3 hr |
| May 29, 5:40 PM EDT | Special Weather Statement | RNK | Craig | 50 min |
| May 29, 6:09 PM EDT | Special Weather Statement | RNK | Rockbridge, City of Lexington | 51 min |
| May 29, 6:22 PM EDT | Special Weather Statement | RNK | City of Roanoke, City of Salem | 38 min |
| May 29, 6:51 PM EDT | Special Weather Statement | RNK | Amherst, Bedford, Rockbridge, City of Buena Vista, City of Lexington | 39 min |
| May 29, 6:36 PM EDT | Special Weather Statement | RNK | Caswell | 24 min |
| May 28, 8:02 PM EDT | Special Weather Statement | RNK | Summers | 43 min |
| May 29, 4:16 PM EDT | Special Weather Statement | RNK | Greenbrier | 59 min |
| May 29, 4:31 PM EDT | Special Weather Statement | RNK | Greenbrier | 44 min |
Nearby
Special Weather Statements in Virginia, 2012Every 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.