Alert archive / North Carolina / Special Weather Statements in 2016

Special Weather Statement, NWS Blacksburg, VA

July 28, 2016Ashe County, North Carolina

NWS Blacksburg, VA issued this special weather statement at Jul 28, 2016, 1:31 AM EDT for Ashe County, North Carolina. It was in force for 59 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 28, 2016, 1:31 AM EDT (05:31 UTC)
Expired: Jul 28, 2016, 2:30 AM EDT
In force: 59 min
Issued by: NWS Blacksburg, VA

County Ashe County, NC

The radar

The Roanoke radar (KFCX), 148 km from the middle of the area, began a volume at 05:33 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 00:00Z, 5.5 hours before the alert went out and 218 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: 1188 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 864 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.5

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 27, 9:50 PM EDT, 3 hours 41 minutes earlier.

Area forecast discussion, Jul 27, 9:50 PM EDT, 3 hours 41 minutes before

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Hazardous weather outlook, Jul 27, 9:53 AM EDT, 15 hours 38 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
953 AM EDT WED JUL 27 2016

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-281400-
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES-
YADKIN-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON-
CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
PATRICK-FRANKLIN-BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-
APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-MERCER-SUMMERS-MONROE-
EASTERN GREENBRIER-WESTERN GREENBRIER-
953 AM EDT WED JUL 27 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH
CENTRAL VIRGINIA...SOUTHWEST VIRGINIA...WEST CENTRAL VIRGINIA AND
SOUTHEAST WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

STRONG TO ISOLATED SEVERE THUNDERSTORMS WITH DAMAGING WINDS WILL
BE POSSIBLE THIS AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

SEVERE THUNDERSTORMS WITH DAMAGING WINDS AND LARGE HAIL WILL BE
POSSIBLE THURSDAY AFTERNOON INTO FRIDAY. EXCESSIVE RAINFALL IS
ALSO POSSIBLE AND MAY BRING A THREAT FOR FLOODING.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER WILL BE LOWER
THROUGH THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Jul 27, 8:44 PM EDT, 4 hours 47 minutes before

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Local storm report, Jul 27, 9:28 PM EDT, 4 hours 3 minutes before

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Local storm report, Jul 27, 9:29 PM EDT, 4 hours 2 minutes before

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Local storm report, Jul 27, 9:59 PM EDT, 3 hours 32 minutes before

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Local storm report, Jul 27, 10:41 PM EDT, 2 hours 50 minutes before

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Special weather statement, Jul 28, 1:31 AM 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 28, 2:33 AM EDT	Special Weather Statement	RNK	Tazewell	57 min
Jul 28, 2:51 AM EDT	Special Weather Statement	RNK	Giles	39 min
Jul 28, 3:06 AM EDT	Special Weather Statement	RNK	Prince Edward	9 min
Jul 28, 3:11 AM EDT	Special Weather Statement	RNK	Tazewell	19 min
Jul 28, 3:29 AM EDT	Special Weather Statement	RNK	Bland	61 min
Jul 28, 3:35 AM EDT	Special Weather Statement	RNK	Giles, Montgomery, Roanoke	55 min
Jul 28, 12:17 PM EDT	Flash Flood Watch	RNK	Tazewell	10 hr
Jul 28, 3:01 PM EDT	Special Weather Statement	RNK	Carroll, Pulaski, City of Galax, City of Radford	44 min
Jul 28, 3:33 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Floyd, Patrick	39 min
Jul 28, 3:43 PM EDT	Special Weather Statement	RNK	City of Radford	47 min
Jul 28, 3:53 PM EDT	Special Weather Statement	RNK	City of Roanoke, City of Salem	37 min
Jul 28, 4:23 PM EDT	Special Weather Statement	RNK	Craig	37 min
Jul 28, 4:29 PM EDT	Special Weather Statement	RNK	City of Roanoke, City of Salem	31 min
Jul 28, 4:30 PM EDT	Special Weather Statement	RNK	Wythe	30 min
Jul 28, 4:47 PM EDT	Special Weather Statement	RNK	Botetourt	28 min
Jul 28, 4:52 PM EDT	Special Weather Statement	RNK	Botetourt	23 min
Jul 28, 5:12 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Botetourt, Craig, Rockbridge	52 min
Jul 28, 5:23 PM EDT	Special Weather Statement	RNK	Carroll, City of Galax	37 min
Jul 28, 5:29 PM EDT	Special Weather Statement	RNK	Rockbridge, City of Lexington	31 min
Jul 28, 5:37 PM EDT	Severe Thunderstorm Warning	RNK	Franklin	53 min
Jul 28, 5:44 PM EDT	Severe Thunderstorm Warning	RNK	Rockbridge, City of Lexington	43 min
Jul 28, 5:52 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford, City of Lynchburg	53 min
Jul 28, 6:17 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Appomattox, Buckingham, Campbell, City of Lynchburg	58 min
Jul 28, 7:10 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Buckingham	37 min
Jul 28, 3:59 AM EDT	Special Weather Statement	RNK	Mercer, Summers	61 min
Jul 28, 5:13 AM EDT	Special Weather Statement	RNK	Greenbrier	62 min

Nearby

Special Weather Statements in North Carolina, 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.