Alert archive / Virginia / Special Weather Statements in 2019
Special Weather Statement, NWS Blacksburg, VA
NWS Blacksburg, VA issued this special weather statement at Aug 7, 2019, 7:30 PM EDT for Henry County, City of Martinsville, Virginia. It was in force for 45 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 7, 2019, 7:30 PM EDT (23:30 UTC)
- Expired
- Aug 7, 2019, 8:15 PM EDT
- In force
- 45 min
- Issued by
- NWS Blacksburg, VA
Counties City of Martinsville, VA, Henry County, VA
The radar
The Roanoke radar (KFCX), 62 km from the middle of the area, began a volume at 23:33 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.5 hours before the alert went out and 64 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.
- Mixed-layer CAPE
- 840 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1125 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.4
The text
As transmitted.
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</html>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 7, 7:08 PM EDT, 22 minutes earlier.
Area forecast discussion, Aug 7, 7:08 PM EDT, 22 minutes before
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</html>Hazardous weather outlook, Aug 7, 3:16 PM EDT, 4 hours 14 minutes before
Hazardous Weather Outlook National Weather Service Blacksburg VA 316 PM EDT Wed Aug 7 2019 NCZ001>004-018>020-VAZ007-009>020-022>024-032>035-043-WVZ042>044-507- 508-081930- Ashe-Alleghany NC-Surry-Stokes-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-Mercer-Summers-Monroe-Eastern Greenbrier- Western Greenbrier- 316 PM EDT Wed Aug 7 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. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NCZ005-006-VAZ044>047-058-059-081930- Rockingham-Caswell-Pittsylvania-Campbell-Appomattox-Buckingham- Halifax-Charlotte- 316 PM EDT Wed Aug 7 2019 This Hazardous Weather Outlook is for north central North Carolina, central Virginia and south central Virginia. .DAY ONE...This afternoon and tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed.
In the hours before
Special weather statement, Aug 7, 5:42 PM EDT, 1 hour 48 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
542 PM EDT Wed Aug 7 2019
VAZ007-009-010-012-072245-
Tazewell-Bland-Wythe-Smyth-
542 PM EDT Wed Aug 7 2019
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHERN TAZEWELL,
NORTHERN SMYTH, SOUTHWESTERN BLAND, AND WESTERN WYTHE COUNTIES OF
VIRGINIA...
Until 645 PM EDT.
At 541 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Cleveland Va to near Hungry Mother
State Park. Movement was east at 15 mph.
Winds in excess of 30 mph and pea size hail are possible with these
storms.
Locations impacted include...
Marion...
Richlands...
Saltville...
Rural Retreat...
and Cedar Bluff.
Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 3709 8116 3676 8120 3682 8173 3693 8183
3695 8182 3696 8178 3705 8182 3711 8189
3712 8189
TIME...MOT...LOC 2141Z 279DEG 11KT 3700 8209 3694 8152
PWSpecial weather statement, Aug 7, 6:39 PM EDT, 51 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
639 PM EDT Wed Aug 7 2019
VAZ043-044-072330-
Henry-Pittsylvania-
639 PM EDT Wed Aug 7 2019
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN HENRY, AND WESTERN
PITTSYLVANIA COUNTIES OF VIRGINIA...
Until 730 PM EDT.
At 638 PM EDT, a strong thunderstorm was located over Figsboro,
moving east at 20 mph.
Winds in excess of 30 mph and pea size hail are possible with this
storm.
Locations impacted include...
Martinsville...
Callands...
Leatherwood...
Swansonville...
and Collinsville.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 3672 7992 3678 7992 3680 7977 3679 7976
3680 7975 3684 7946 3664 7948
TIME...MOT...LOC 2238Z 271DEG 19KT 3675 7987
PWLocal storm report, Aug 7, 6:52 PM EDT, 38 minutes before
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</html>Special weather statement, Aug 7, 7:30 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 1:00 PM EDT | Special Weather Statement | RNK | Appomattox | 15 min |
| Aug 7, 1:08 PM EDT | Severe Thunderstorm Warning | RNK | Appomattox, Campbell, Charlotte | 67 min |
| Aug 7, 1:34 PM EDT | Special Weather Statement | RNK | Buckingham | 56 min |
| Aug 7, 5:42 PM EDT | Special Weather Statement | RNK | Smyth | 63 min |
| Aug 7, 6:39 PM EDT | Special Weather Statement | RNK | City of Martinsville | 51 min |
| Aug 7, 6:54 PM EDT | Special Weather Statement | RNK | City of Martinsville | 36 min |
| Aug 6, 11:13 PM EDT | Special Weather Statement | RNK | Rockingham | 47 min |
| Aug 6, 11:57 PM EDT | Special Weather Statement | RNK | Caswell | 33 min |
| Aug 7, 12:32 AM EDT | Special Weather Statement | RNK | Caswell | 43 min |
| Aug 7, 12:57 PM EDT | Special Weather Statement | RNK | Caswell | 33 min |
| Aug 7, 6:51 AM EDT | Special Weather Statement | RNK | Greenbrier | 39 min |
Nearby
Special Weather Statements in Virginia, 2019Every 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.