Alert archive / North Carolina / Special Weather Statements in 2019

Special Weather Statement, NWS Blacksburg, VA

August 2, 2019Watauga County, North Carolina

NWS Blacksburg, VA issued this special weather statement at Aug 2, 2019, 3:49 PM EDT for Watauga County, North Carolina. It was in force for 41 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 2, 2019, 3:49 PM EDT (19:49 UTC)
Expired: Aug 2, 2019, 4:30 PM EDT
In force: 41 min
Issued by: NWS Blacksburg, VA

County Watauga County, NC

The radar

The Roanoke radar (KFCX), 150 km from the middle of the area, began a volume at 19:48 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, 7.8 hours before the alert went out and 153 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: 43 J/kg
Mixed-layer CIN: -237 J/kg
Mixed-layer LCL: 1219 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 36 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 2, 3:18 PM EDT, 31 minutes earlier.

Area forecast discussion, Aug 2, 3:18 PM EDT, 31 minutes before

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Hazardous weather outlook, Aug 2, 5:53 AM EDT, 9 hours 56 minutes before

Hazardous Weather Outlook
National Weather Service Blacksburg VA
553 AM EDT Fri Aug 2 2019

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-031000-
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-
553 AM EDT Fri Aug 2 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...Today and tonight.

Scattered to numerous showers and thunderstorms are expected this
afternoon and evening. The main hazard will be locally heavy
rainfall. Heavy rainfall rates and slow moving storms may result in
localized flooding. A few storms could also be strong to severe,
producing damaging wind or hail.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

More showers and thunderstorms are expected Saturday. The main
hazards will be locally heavy rainfall and flooding. A few storms
could also be strong to severe, with the primary threats damaging
wind and hail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 2, 12:47 PM EDT, 3 hours 2 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
1247 PM EDT Fri Aug 2 2019

NCZ001-002-018-VAZ009-015-021715-
Ashe-Watauga-Alleghany-Grayson-Smyth-
1247 PM EDT Fri Aug 2 2019

...CLUSTERS OF STRONG THUNDERSTORMS WILL AFFECT ASHE, WATAUGA,
ALLEGHANY, GRAYSON, AND SMYTH COUNTIES
...

Until 115 PM EDT.

At 1244 PM EDT, a cluster of strong thunderstorm were located along
a line from Beech Mountain to Mount Rogers Summit, moving northeast
at 5 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Boone...
Jefferson...
West Jefferson...
Blowing Rock...
and Beech Mountain.

This includes The following Location Appalachian State University.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 3634 8185 3636 8180 3634 8177 3634 8171
      3641 8174 3647 8170 3653 8171 3659 8168
      3662 8161 3664 8161 3664 8162 3668 8164
      3672 8159 3677 8105 3612 8165 3611 8181
      3616 8183 3621 8191 3626 8189 3629 8192
TIME...MOT...LOC 1644Z 228DEG 7KT 3635 8168

BMG

Special weather statement, Aug 2, 1:13 PM EDT, 2 hours 36 minutes before

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Special weather statement, Aug 2, 1:56 PM EDT, 1 hour 53 minutes before

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Special weather statement, Aug 2, 2:32 PM EDT, 1 hour 17 minutes before

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Special weather statement, Aug 2, 3:36 PM EDT, 13 minutes before

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Special weather statement, Aug 2, 3:49 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
Aug 1, 8:25 PM EDT	Areal Flood Advisory	RNK	City of Lynchburg	43 min
Aug 1, 8:25 PM EDT	Areal Flood Advisory	RNK	Smyth	3 hr
Aug 1, 8:45 PM EDT	Special Weather Statement	RNK	City of Lynchburg	30 min
Aug 1, 9:02 PM EDT	Flash Flood Warning	RNK	Amherst, Bedford, City of Lynchburg	4 hr
Aug 1, 9:14 PM EDT	Severe Thunderstorm Warning	RNK	Campbell	61 min
Aug 1, 10:45 PM EDT	Special Weather Statement	RNK	Charlotte	60 min
Aug 1, 11:06 PM EDT	Areal Flood Advisory	RNK	Appomattox, Campbell, Charlotte	4 hr
Aug 1, 11:37 PM EDT	Special Weather Statement	RNK	Halifax	53 min
Aug 2, 12:38 AM EDT	Special Weather Statement	RNK	Halifax	22 min
Aug 2, 1:17 AM EDT	Areal Flood Warning	RNK	Amherst, Bedford, City of Lynchburg	118 min
Aug 2, 12:47 PM EDT	Special Weather Statement	RNK	Grayson	28 min
Aug 2, 1:29 PM EDT	Areal Flood Advisory	RNK	Grayson, Smyth	3 hr
Aug 2, 1:56 PM EDT	Special Weather Statement	RNK	Smyth, Wythe	34 min
Aug 2, 2:32 PM EDT	Special Weather Statement	RNK	Grayson	43 min
Aug 2, 4:36 PM EDT	Special Weather Statement	RNK	Charlotte	39 min
Aug 2, 1:13 PM EDT	Special Weather Statement	RNK	Ashe	47 min
Aug 2, 3:36 PM EDT	Special Weather Statement	RNK	Alleghany	54 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.