Alert archive / North Carolina / Special Weather Statements in 2019

Special Weather Statement, NWS Blacksburg, VA

August 19, 2019Stokes County, North Carolina

NWS Blacksburg, VA issued this special weather statement at Aug 19, 2019, 1:21 PM EDT for Stokes County, North Carolina. It was in force for 54 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 19, 2019, 1:21 PM EDT (17:21 UTC)
Expired: Aug 19, 2019, 2:15 PM EDT
In force: 54 min
Issued by: NWS Blacksburg, VA

County Stokes County, NC

The radar

The Roanoke radar (KFCX), 68 km from the middle of the area, began a volume at 17:24 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, 5.4 hours before the alert went out and 55 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: 721 J/kg
Mixed-layer CIN: -106 J/kg
Mixed-layer LCL: 1337 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 6 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 19, 9:35 AM EDT, 3 hours 46 minutes earlier.

Area forecast discussion, Aug 19, 9:35 AM EDT, 3 hours 46 minutes before

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Hazardous weather outlook, Aug 19, 4:02 AM EDT, 9 hours 19 minutes before

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In the hours before

Special weather statement, Aug 19, 1:21 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
121 PM EDT Mon Aug 19 2019

NCZ004-VAZ032-191815-
Stokes-Patrick-
121 PM EDT Mon Aug 19 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN PATRICK AND NORTHERN
STOKES COUNTIES THROUGH 215 PM EDT...

At 121 PM EDT, a strong thunderstorm was located over Collinstown,
moving south at 10 mph.

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

Locations impacted include...
Walnut Cove...
Stuart...
Danbury...
Francisco...
and King.

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.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3626 8045 3645 8045 3664 8043 3664 8022
      3626 8011
TIME...MOT...LOC 1721Z 358DEG 8KT 3654 8031

RAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 1:23 PM EDT	Severe Thunderstorm Warning	RNK	Patrick	32 min
Aug 19, 1:34 PM EDT	Special Weather Statement	RNK	City of Roanoke, City of Salem	56 min
Aug 19, 2:15 PM EDT	Special Weather Statement	RNK	Carroll	60 min
Aug 19, 3:12 PM EDT	Special Weather Statement	RNK	Pulaski	33 min
Aug 19, 3:18 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Wythe	23 min
Aug 19, 3:50 PM EDT	Special Weather Statement	RNK	Botetourt	25 min
Aug 19, 5:26 PM EDT	Special Weather Statement	RNK	Halifax	34 min
Aug 19, 5:50 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte, Halifax	39 min
Aug 19, 1:43 PM EDT	Special Weather Statement	RNK	Wilkes	62 min
Aug 19, 1:46 PM EDT	Special Weather Statement	RNK	Watauga	59 min
Aug 19, 3:27 PM EDT	Severe Thunderstorm Warning	RNK	Ashe	24 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.