Alert archive / Virginia / Special Weather Statements in 2016

Special Weather Statement, NWS Blacksburg, VA

July 22, 2016City of Lexington, Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 22, 2016, 4:49 PM EDT for City of Lexington, Virginia. It was in force for 26 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: Jul 22, 2016, 4:49 PM EDT (20:49 UTC)
Expired: Jul 22, 2016, 5:15 PM EDT
In force: 26 min
Issued by: NWS Blacksburg, VA

County City of Lexington, VA

The radar

The Roanoke radar (KFCX), 95 km from the middle of the area, began a volume at 20:51 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, 8.8 hours before the alert went out and 180 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: 418 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 1093 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Jul 22, 3:12 PM EDT, 1 hour 37 minutes earlier.

Area forecast discussion, Jul 22, 3:12 PM EDT, 1 hour 37 minutes before

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Hazardous weather outlook, Jul 22, 4:13 PM EDT, 36 minutes before

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In the hours before

Special weather statement, Jul 22, 1:20 PM EDT, 3 hours 29 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
120 PM EDT FRI JUL 22 2016

NCZ019-020-221815-
WILKES-YADKIN-
120 PM EDT FRI JUL 22 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN YADKIN AND CENTRAL
WILKES COUNTIES...

AT 119 PM EDT...A STRONG THUNDERSTORM WAS OVER FAIRPLAINS...MOVING
SOUTHEAST AT 15 MPH.

WIND GUSTS UP TO 40 MPH AND HALF INCH HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
NORTH WILKESBORO...
ELKIN...
WILKESBORO...
JONESVILLE...
AND RONDA.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

LAT...LON 3614 8142 3631 8130 3628 8087 3624 8087
      3625 8081 3625 8080 3606 8090 3606 8098
      3604 8105 3603 8106 3603 8110
TIME...MOT...LOC 1719Z 293DEG 10KT 3620 8118

KK

Special weather statement, Jul 22, 3:30 PM EDT, 1 hour 19 minutes before

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Special weather statement, Jul 22, 4:22 PM EDT, 27 minutes before

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Special weather statement, Jul 22, 4:32 PM EDT, 17 minutes before

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Local storm report, Jul 22, 4:48 PM EDT, 1 minute before

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Special weather statement, Jul 22, 4:49 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
Jul 22, 4:22 PM EDT	Special Weather Statement	RNK	Alleghany, City of Covington	23 min
Jul 22, 4:32 PM EDT	Special Weather Statement	RNK	Rockbridge, City of Buena Vista, City of Lexington	43 min
Jul 22, 5:29 PM EDT	Special Weather Statement	RNK	City of Buena Vista	31 min
Jul 22, 1:20 PM EDT	Special Weather Statement	RNK	Wilkes	55 min
Jul 22, 3:30 PM EDT	Special Weather Statement	RNK	Yadkin	45 min

Nearby

Special Weather Statements in Virginia, 2016 Every special weather statement in 2016

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.