Alert archive / North Carolina / Special Weather Statements in 2019

Special Weather Statement, NWS Blacksburg, VA

August 4, 2019Watauga County, North Carolina

NWS Blacksburg, VA issued this special weather statement at Aug 4, 2019, 7:16 PM EDT for Watauga County, North Carolina. It was in force for 29 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: Aug 4, 2019, 7:16 PM EDT (23:16 UTC)
Expired: Aug 4, 2019, 7:45 PM EDT
In force: 29 min
Issued by: NWS Blacksburg, VA

County Watauga County, NC

The radar

The Greer radar (KGSP), 147 km from the middle of the area, began a volume at 23:16 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, 11.3 hours before the alert went out and 165 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: 926 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1092 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 20 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 Aug 4, 6:58 PM EDT, 18 minutes earlier.

Area forecast discussion, Aug 4, 6:58 PM EDT, 18 minutes before

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Hazardous weather outlook, Aug 4, 3:10 PM EDT, 4 hours 6 minutes before

Hazardous Weather Outlook
National Weather Service Blacksburg VA
310 PM EDT Sun Aug 4 2019

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-051915-
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-
310 PM EDT Sun Aug 4 2019

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...This afternoon and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Scattered strong to locally severe thunderstorms are possible
Wednesday afternoon into early evening. Gusty to locally damaging
winds capable of scattered tree and powerline damage, along with
hail will be the main thunderstorm hazards.

Otherwise, the probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 4, 4:13 PM EDT, 3 hours 3 minutes before

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Special weather statement, Aug 4, 4:57 PM EDT, 2 hours 19 minutes before

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Special weather statement, Aug 4, 5:27 PM EDT, 1 hour 49 minutes before

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Special weather statement, Aug 4, 6:34 PM EDT, 42 minutes before

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Special weather statement, Aug 4, 7:16 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
Aug 3, 10:12 PM EDT	Special Weather Statement	RNK	Smyth	48 min
Aug 3, 10:48 PM EDT	Special Weather Statement	RNK	Wythe	42 min
Aug 3, 10:53 PM EDT	Areal Flood Advisory	RNK	Smyth	82 min
Aug 3, 11:27 PM EDT	Special Weather Statement	RNK	Pulaski, Wythe	63 min
Aug 4, 6:17 AM EDT	Dense Fog Advisory	RNK	Alleghany, Bath, Bland, Botetourt, Carroll, Craig and 12 more	3 hr
Aug 4, 4:13 PM EDT	Special Weather Statement	RNK	Wilkes	62 min
Aug 4, 4:57 PM EDT	Special Weather Statement	RNK	Rockingham	33 min
Aug 4, 5:27 PM EDT	Special Weather Statement	RNK	Caswell	63 min
Aug 4, 6:34 PM EDT	Special Weather Statement	RNK	Caswell	26 min

Nearby

Special Weather Statements in North Carolina, 2019 Every special weather statement in 2019

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.