Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

May 2, 2012Wilkes County, North Carolina

NWS Blacksburg, VA issued this special weather statement at May 2, 2012, 2:08 PM EDT for Wilkes County, North Carolina. It was in force for 22 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 2, 2012, 2:08 PM EDT (18:08 UTC)
Expired: May 2, 2012, 2:30 PM EDT
In force: 22 min
Issued by: NWS Blacksburg, VA

County Wilkes County, NC

The radar

The Roanoke radar (KFCX), 143 km from the middle of the area, began a volume at 18:10 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.1 hours before the alert went out and 129 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: 885 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 1055 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 100 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 2, 10:42 AM EDT, 3 hours 26 minutes earlier.

Area forecast discussion, May 2, 10:42 AM EDT, 3 hours 26 minutes before

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Hazardous weather outlook, May 2, 4:11 AM EDT, 9 hours 57 minutes before

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In the hours before

Local storm report, May 2, 8:46 AM EDT, 5 hours 22 minutes before

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Local storm report, May 2, 8:57 AM EDT, 5 hours 11 minutes before

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Local storm report, May 2, 9:47 AM EDT, 4 hours 21 minutes before

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Special weather statement, May 2, 2:08 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
208 PM EDT WED MAY 2 2012

NCZ019-021830-
WILKES NC-
208 PM EDT WED MAY 2 2012

...A STRONG THUNDERSTORM WILL AFFECT WILKES COUNTY...

AT 206 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 10 MILES SOUTH OF
DEEP GAP...MOVING EAST AT 15 MPH.

WIND GUSTS TO 40 MPH AND PEA-SIZED HAIL 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. IF
ON OR NEAR A LAKE...GET OUT OF THE WATER AND MOVE INDOORS OR INSIDE
A VEHICLE. SUDDEN WIND GUSTS MAY BE STRONG ENOUGH TO CAPSIZE YOUR
VESSEL.

THIS STORM WILL BE NEAR ELKVILLE AROUND 220 PM AND WILKESBORO
RESERVOIR AROUND 230 PM.

LAT...LON 3602 8135 3604 8139 3607 8142 3609 8151
      3612 8154 3615 8150 3622 8119 3605 8110
      3602 8118 3603 8121 3602 8127 3599 8132

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 8:00 PM EDT	Special Weather Statement	RNK	Floyd	30 min
May 2, 5:13 PM EDT	Special Weather Statement	RNK	City of Martinsville	62 min
May 2, 5:16 PM EDT	Severe Thunderstorm Warning	RNK	Henry, Patrick, City of Martinsville	59 min
May 2, 6:26 PM EDT	Severe Thunderstorm Warning	RNK	Patrick	26 min
May 2, 6:41 PM EDT	Special Weather Statement	RNK	Bedford	49 min
May 2, 7:03 PM EDT	Severe Thunderstorm Warning	RNK	Bedford	42 min
May 2, 7:09 PM EDT	Special Weather Statement	RNK	Rockbridge	36 min
May 2, 7:46 PM EDT	Severe Thunderstorm Warning	RNK	Bedford	59 min
May 2, 3:38 PM EDT	Special Weather Statement	RNK	Watauga	37 min

Nearby

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.