Alert archive / Virginia / Special Weather Statements in 2016

Special Weather Statement, NWS Blacksburg, VA

September 26, 2016Giles County, Virginia

NWS Blacksburg, VA issued this special weather statement at Sep 26, 2016, 1:13 PM EDT for Giles County, Virginia. It was in force for 32 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: Sep 26, 2016, 1:13 PM EDT (17:13 UTC)
Expired: Sep 26, 2016, 1:45 PM EDT
In force: 32 min
Issued by: NWS Blacksburg, VA

County Giles County, VA

The radar

The Roanoke radar (KFCX), 57 km from the middle of the area, began a volume at 17:15 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, 5.2 hours before the alert went out and 161 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: 82 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 462 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 151 m²/s²
0-3 km storm-relative helicity: 182 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 Sep 26, 9:15 AM EDT, 3 hours 58 minutes earlier.

Area forecast discussion, Sep 26, 9:15 AM EDT, 3 hours 58 minutes before

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Hazardous weather outlook, Sep 26, 5:16 AM EDT, 7 hours 57 minutes before

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In the hours before

Special weather statement, Sep 26, 1:02 PM EDT, 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
102 PM EDT MON SEP 26 2016

NCZ018-261730-
WATAUGA-
102 PM EDT MON SEP 26 2016

...A STRONG THUNDERSTORM WILL AFFECT
SOUTH CENTRAL WATAUGA COUNTY...

AT 101 PM EDT...A STRONG THUNDERSTORM WAS LOCATED OVER MOSES CONE
MEMORIAL PARK. THE STORM IS NEARLY STATIONARY.

WINDS IN EXCESS OF 30 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
BOONE...
BLOWING ROCK...
FOSCOE...
AND AHO.

LAT...LON 3623 8171 3615 8159 3612 8168 3612 8176
      3614 8180
TIME...MOT...LOC 1701Z 226DEG 4KT 3614 8173

DS

Special weather statement, Sep 26, 1:13 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
113 PM EDT MON SEP 26 2016

VAZ011-WVZ044-261745-
GILES-MONROE-
113 PM EDT MON SEP 26 2016

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT
GILES AND SOUTHWESTERN MONROE COUNTIES...

AT 112 PM EDT...RADAR INDICATED ISOLATED STRONG THUNDERSTORMS LOCATED
ALONG A LINE EXTENDING FROM RICH CREEK TO CHAPEL. MOVEMENT WAS EAST
AT 25 MPH.

WINDS IN EXCESS OF 30 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE...
PEARISBURG...
NARROWS...
PEMBROKE...
PETERSTOWN...
AND MOUNTAIN LAKE.

LAT...LON 3750 8043 3724 8063 3723 8096 3725 8097
      3731 8092 3731 8090 3735 8085 3736 8086
      3740 8083
TIME...MOT...LOC 1712Z 255DEG 21KT 3737 8081 3726 8092

DS

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 26, 1:47 PM EDT	Special Weather Statement	RNK	Carroll, City of Galax	58 min
Sep 26, 2:32 PM EDT	Special Weather Statement	RNK	Montgomery, Roanoke	28 min
Sep 26, 3:02 PM EDT	Special Weather Statement	RNK	City of Salem	28 min
Sep 26, 5:02 PM EDT	Special Weather Statement	RNK	Bland, Smyth, Wythe	58 min
Sep 26, 5:04 PM EDT	Special Weather Statement	RNK	Bath	56 min
Sep 26, 5:23 PM EDT	Special Weather Statement	RNK	Alleghany, Bath, Botetourt, Rockbridge, City of Buena Vista, City of Covington and 1 more	67 min
Sep 26, 5:57 PM EDT	Special Weather Statement	RNK	Giles, Roanoke	63 min
Sep 26, 6:18 PM EDT	Special Weather Statement	RNK	Carroll	57 min
Sep 26, 6:43 PM EDT	Special Weather Statement	RNK	Montgomery	62 min
Sep 26, 6:46 PM EDT	Special Weather Statement	RNK	Carroll, City of Galax	59 min
Sep 26, 1:02 PM EDT	Special Weather Statement	RNK	Watauga	28 min
Sep 26, 3:21 PM EDT	Special Weather Statement	RNK	Wilkes	24 min
Sep 26, 4:03 PM EDT	Severe Thunderstorm Warning	RNK	Surry, Wilkes, Yadkin	42 min
Sep 26, 4:15 PM EDT	Special Weather Statement	RNK	Surry	30 min
Sep 26, 5:36 PM EDT	Special Weather Statement	RNK	Ashe	54 min
Sep 26, 4:12 PM EDT	Special Weather Statement	RNK	Monroe, Summers	33 min
Sep 26, 4:33 PM EDT	Severe Thunderstorm Warning	RNK	Greenbrier, Monroe	18 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.