Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

May 15, 2012Pulaski County, Virginia

NWS Blacksburg, VA issued this special weather statement at May 15, 2012, 7:49 PM EDT for Pulaski County, Virginia. It was in force for 56 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 15, 2012, 7:49 PM EDT (23:49 UTC)
Expired: May 15, 2012, 8:45 PM EDT
In force: 56 min
Issued by: NWS Blacksburg, VA

County Pulaski County, VA

The radar

The Roanoke radar (KFCX), 54 km from the middle of the area, began a volume at 23:52 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, 11.8 hours before the alert went out and 121 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: 54 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 511 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 39 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 15, 7:30 PM EDT, 19 minutes earlier.

Area forecast discussion, May 15, 7:30 PM EDT, 19 minutes before

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Hazardous weather outlook, May 15, 6:45 PM EDT, 1 hour 4 minutes before

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In the hours before

Local storm report, May 15, 5:44 PM EDT, 2 hours 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
544 PM EDT TUE MAY 15 2012

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

0600 PM     HAIL             3 W NORTH WILKESBORO    36.16N 81.19W
05/14/2012  E0.88 INCH       WILKES             NC   FIRE DEPT/RESCUE

            NICKEL SIZE HAIL REPORTED AT CRICKET FIRE DEPARTMENT

0600 PM     TSTM WND DMG     3 WSW NORTH WILKESBORO  36.16N 81.19W
05/14/2012                   WILKES             NC   FIRE DEPT/RESCUE

            A FEW LARGE LIMBS FROM ONE TREE FELL ONTO CURTIS BRIDGE
            ROAD NEAR THE INTERSECTION WITH NEW BRICKYARD ROAD.

&&

SK

Special weather statement, May 15, 5:47 PM EDT, 2 hours 2 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
547 PM EDT TUE MAY 15 2012

VAZ012-015-152245-
GRAYSON VA-WYTHE VA-
547 PM EDT TUE MAY 15 2012

...A STRONG THUNDERSTORM WILL AFFECT GRAYSON AND WYTHE COUNTIES...

AT 542 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 6 MILES SOUTHEAST
OF SPEEDWELL...MOVING NORTH AT 15 MPH.

WIND GUSTS TO 40 MPH AND HAIL UP TO DIME SIZE 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 CRIPPLE CREEK AROUND 600 PM...COLEMAN STORE
AROUND 630 PM AND WYTHEVILLE AROUND 645 PM.

THIS STORM HAS THE POTENTIAL TO BE A PROLIFIC LIGHTNING PRODUCER. IF
YOU SEE THREATENING WEATHER APPROACHING...SEEK SHELTER INDOORS
IMMEDIATELY.

LAT...LON 3703 8112 3702 8111 3704 8105 3701 8087
      3682 8096 3681 8104 3675 8100 3673 8100
      3674 8114 3702 8118

WERT

Local storm report, May 15, 7:29 PM EDT, 20 minutes before

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Local storm report, May 15, 7:32 PM EDT, 17 minutes before

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Local storm report, May 15, 7:49 PM EDT, 0 minutes before

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Special weather statement, May 15, 7:49 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 14, 8:02 PM EDT	Special Weather Statement	RNK	Bedford	28 min
May 14, 8:41 PM EDT	Flash Flood Warning	RNK	Bedford, Franklin	5 hr
May 14, 8:55 PM EDT	Areal Flood Warning	RNK	Amherst, Bedford, Rockbridge, City of Buena Vista, City of Lexington	6 hr
May 14, 9:10 PM EDT	Special Weather Statement	RNK	Bland	35 min
May 14, 9:16 PM EDT	Flash Flood Warning	RNK	Bland, Giles	4 hr
May 14, 9:23 PM EDT	Flash Flood Warning	RNK	Amherst, Bedford, Botetourt, Rockbridge, City of Buena Vista, City of Lexington	6 hr
May 15, 1:27 AM EDT	Areal Flood Advisory	RNK	Bedford, Franklin	6 hr
May 15, 1:39 AM EDT	Areal Flood Warning	RNK	Bedford, Franklin	6 hr
May 15, 3:15 AM EDT	Areal Flood Warning	RNK	Botetourt, Rockbridge, City of Buena Vista, City of Lexington	6 hr
May 15, 5:39 AM EDT	Flash Flood Watch	RNK	Amherst, Bedford, Botetourt, Carroll, Floyd, Franklin and 8 more	17 hr
May 15, 6:19 AM EDT	Dense Fog Advisory	RNK	Bland, Carroll, Floyd, Giles, Grayson, Montgomery and 6 more	4 hr
May 15, 1:11 PM EDT	Special Weather Statement	RNK	City of Galax	64 min
May 15, 4:57 PM EDT	Flash Flood Warning	RNK	Grayson	5 hr
May 15, 5:43 PM EDT	Special Weather Statement	RNK	Grayson	62 min
May 15, 5:47 PM EDT	Special Weather Statement	RNK	Wythe	58 min
May 15, 6:43 PM EDT	Severe Thunderstorm Warning	RNK	Pulaski, Wythe	62 min
May 15, 6:56 PM EDT	Flash Flood Warning	RNK	Bedford, Franklin	6 hr
May 15, 6:57 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Campbell, Franklin, Pittsylvania	63 min
May 14, 8:16 PM EDT	Special Weather Statement	RNK	Ashe	29 min
May 15, 3:38 PM EDT	Special Weather Statement	RNK	Alleghany	52 min
May 15, 3:46 PM EDT	Special Weather Statement	RNK	Watauga	59 min
May 15, 5:27 PM EDT	Flash Flood Warning	RNK	Ashe, Watauga	4 hr
May 15, 5:32 PM EDT	Special Weather Statement	RNK	Surry	58 min
May 15, 6:29 PM EDT	Severe Thunderstorm Warning	RNK	Stokes, Surry	33 min

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.