Alert archive / Virginia / Special Weather Statements in 2021
Special Weather Statement, NWS Blacksburg, VA
NWS Blacksburg, VA issued this special weather statement at Jul 12, 2021, 5:14 PM EDT for Carroll County, Virginia. It was in force for 31 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 12, 2021, 5:14 PM EDT (21:14 UTC)
- Expired
- Jul 12, 2021, 5:45 PM EDT
- In force
- 31 min
- Issued by
- NWS Blacksburg, VA
County Carroll County, VA
The radar
The Roanoke radar (KFCX), 47 km from the middle of the area, began a volume at 21:16 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, 9.2 hours before the alert went out and 105 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
- 46 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 960 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jul 12, 2:38 PM EDT, 2 hours 36 minutes earlier.
Area forecast discussion, Jul 12, 2:38 PM EDT, 2 hours 36 minutes before
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</html>Hazardous weather outlook, Jul 12, 2:53 PM EDT, 2 hours 21 minutes before
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</html>In the hours before
Special weather statement, Jul 12, 2:07 PM EDT, 3 hours 7 minutes before
Special Weather Statement National Weather Service BLACKSBURG VA 207 PM EDT Mon Jul 12 2021 NCZ001-002-VAZ015-121830- Ashe-Alleghany-Grayson- 207 PM EDT Mon Jul 12 2021 ...AN AREA OF HEAVY SHOWERS, AND EMBEEDED THUNDERSTORMS WILL AFFECT NORTHWESTERN ALLEGHANY...CENTRAL ASHE COUNTIES IN NORTHWESTERN NORTH CAROLINA AND SOUTH CENTRAL GRAYSON COUNTIES IN SOUTHWESTERN VIRGINIA... At 205 PM EDT, heavy rain showers, and a few thunderstorms were clustered near Piney Creek, or near Mouth Of Wilson, moving northeast at 15 mph. This area received over 2 to 3 inches yesterday, and additional heavy rainfall will likely cause low lying flooding, and ponded water on roads. Locations impacted include... Jefferson... West Jefferson... Independence... Mouth Of Wilson... Bridle Creek... Stratford... and Grassy Creek. The heavy rain will quickly reduce visibility and result in ponding of water on roadways, standing water in low lying areas, and minor flooding of creeks, streams, and areas of poor drainage. Drivers are urged to slow down and use extra caution to avoid hydroplaning. LAT...LON 3635 8146 3638 8160 3671 8128 3658 8111 TIME...MOT...LOC 1805Z 235DEG 14KT 3653 8135 WP
Special weather statement, Jul 12, 2:09 PM EDT, 3 hours 5 minutes before
Special Weather Statement National Weather Service BLACKSBURG VA 209 PM EDT Mon Jul 12 2021 NCZ001-002-VAZ015-121845- Ashe-Alleghany-Grayson- 209 PM EDT Mon Jul 12 2021 ...AN N AREA OF HEAVY SHOWERS, AND EMBEDDED THUNDERSTORMS WILL AFFECT NORTHWESTERN ALLEGHANY...CENTRAL ASHE COUNTIES IN NORTHWESTERN NORTH CAROLINA AND SOUTH CENTRAL GRAYSON COUNTIES IN SOUTHWESTERN VIRGINIA... At 208 PM EDT, heavy rain showers, and a few thunderstorms were clustered over Piney Creek, or near Mouth Of Wilson, moving northeast at 15 mph. This area received over 2 to 3 inches yesterday, and additional heavy rainfall will likely cause low lying flooding, and ponded water on roads. Locations impacted include... Jefferson... West Jefferson... Independence... Mouth Of Wilson... Bridle Creek... Stratford... and Grassy Creek. This heavy rain will quickly reduce visibility and result in ponding of water on roadways, standing water in low lying areas, and minor flooding of creeks, streams, and areas of poor drainage. Drivers are urged to slow down and use extra caution to avoid hydroplaning. LAT...LON 3635 8146 3638 8160 3671 8128 3658 8111 TIME...MOT...LOC 1808Z 235DEG 14KT 3653 8134 WP
Special weather statement, Jul 12, 2:13 PM EDT, 3 hours 1 minute before
Special Weather Statement
National Weather Service BLACKSBURG VA
213 PM EDT Mon Jul 12 2021
VAZ011>014-121845-
Giles-Pulaski-Wythe-Montgomery-
213 PM EDT Mon Jul 12 2021
...A COUPLE OF THUNDERSTORMS WILL AFFECT PULASKI...SOUTHEASTERN
GILES...NORTHEASTERN WYTHE AND SOUTHWESTERN MONTGOMERY COUNTIES AND
THE CITY OF RADFORD...
At 211 PM EDT, one thunderstorm was located near Dublin, moving
northeast at 20 mph. The other thunderstorm was located near Max
Meadows, moving northeast at 20 mph.
Locations impacted include...
Radford...
Pulaski...
Dublin...
Max Meadows...
Allisonia...
Claytor Dam...
and Fairlawn.
If outdoors, consider seeking shelter inside a building.
Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.
If you are on or near Claytor Lake or Gatewood Reservoir, get out of
the water and move indoors or inside a vehicle. Remember, lightning
can strike out to 10 miles from the parent thunderstorm. If you can
hear thunder, you are close enough to be struck by lightning. Move
to safe shelter now! Do not be caught on the water in a thunderstorm.
LAT...LON 3687 8088 3696 8098 3715 8080 3731 8054
3712 8045 3699 8061
TIME...MOT...LOC 1811Z 235DEG 19KT 3706 8071
WPSpecial weather statement, Jul 12, 2:33 PM EDT, 2 hours 41 minutes before
Special Weather Statement National Weather Service BLACKSBURG VA 233 PM EDT Mon Jul 12 2021 VAZ019-020-024-121900- Bath-Rockbridge-Alleghany- 233 PM EDT Mon Jul 12 2021 ...A THUNDERSTORM WITH HEAVY RAIN WILL AFFECT NORTHEASTERN ALLEGHANY...NORTHWESTERN ROCKBRIDGE AND CENTRAL BATH COUNTIES IN WEST CENTRAL VIRGINIA... At 232 PM EDT, a thunderstorm with heavy rain was located over Ingalls Field, or near Hot Springs, moving northeast at 20 mph. Winds in excess of 30 mph are also possible with this storm. Locations impacted include... Clifton Forge... Goshen... Millboro... Warm Springs... Hot Springs... Iron Gate... and Nimrod Hall. If outdoors, consider seeking shelter inside a building. Locally heavy rain will quickly reduce visibility and result in ponding of water on roadways, standing water in low lying areas, and minor flooding of creeks, streams, and areas of poor drainage. Drivers are urged to slow down and use extra caution to avoid hydroplaning. LAT...LON 3780 7979 3786 7995 3820 7971 3801 7946 TIME...MOT...LOC 1832Z 223DEG 16KT 3795 7978 WP
Special weather statement, Jul 12, 5:05 PM EDT, 9 minutes before
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</html>Special weather statement, Jul 12, 5:14 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 |
|---|---|---|---|---|
| Jul 12, 1:18 PM EDT | Special Weather Statement | RNK | Grayson, Wythe | 27 min |
| Jul 12, 2:07 PM EDT | Special Weather Statement | RNK | Grayson | 23 min |
| Jul 12, 2:09 PM EDT | Special Weather Statement | RNK | Grayson | 36 min |
| Jul 12, 2:13 PM EDT | Special Weather Statement | RNK | Pulaski, City of Radford | 32 min |
| Jul 12, 2:33 PM EDT | Special Weather Statement | RNK | Bath | 27 min |
| Jul 12, 5:05 PM EDT | Special Weather Statement | RNK | Botetourt | 25 min |
| Jul 12, 7:24 PM EDT | Special Weather Statement | RNK | Tazewell | 36 min |
| Jul 12, 3:00 PM EDT | Areal Flood Advisory | RNK | Alleghany, Ashe | 81 min |
| Jul 12, 1:48 PM EDT | Special Weather Statement | RNK | Greenbrier | 27 min |
Nearby
Special Weather Statements in Virginia, 2021Every special weather statement in 2021
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.