Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Blacksburg, VA

December 11, 2021Craig County, Giles County, Virginia; Monroe County, West Virginia

NWS Blacksburg, VA issued this special weather statement at Dec 11, 2021, 1:09 PM EST for Craig County, Giles County, Virginia; Monroe County, West Virginia. It was in force for 36 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
Dec 11, 2021, 1:09 PM EST (18:09 UTC)
Expired
Dec 11, 2021, 1:45 PM EST
In force
36 min
Issued by
NWS Blacksburg, VA
Hail
0.00 in
Wind
40

Counties Craig County, VA, Giles County, VA, Monroe County, WV

The radar

The Roanoke radar (KFCX), 54 km from the middle of the area, began a volume at 18:10 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

Roanoke, VA (KRNK), launched 12:00Z, 6.2 hours before the alert went out and 72 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-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2021-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2021-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 267 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
856 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
267 m²/s²
0-3 km storm-relative helicity
286 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 Dec 11, 12:35 PM EST, 34 minutes earlier.

Area forecast discussion, Dec 11, 12:35 PM EST, 34 minutes before
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Hazardous weather outlook, Dec 11, 3:06 AM EST, 10 hours 3 minutes before
Hazardous Weather Outlook
National Weather Service Blacksburg VA
306 AM EST Sat Dec 11 2021

NCZ001-018-VAZ007-009-010-012-015-120815-
Ashe-Watauga-Tazewell-Smyth-Bland-Wythe-Grayson-
306 AM EST Sat Dec 11 2021

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 5 PM EST THIS
AFTERNOON...

This Hazardous Weather Outlook is for northwest North Carolina and
southwest Virginia.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Wind Advisory.

In addition, damaging winds may occur in association with a line of
showers and few thunderstorms this afternoon.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Reports should be submitted by
phone by calling 1-866-215-4324, social media, by email at
rnk.skywarn@noaa.gov or online at www.weather.gov/rnk.

VAZ011-014-017>020-022>024-033>035-120815-
Giles-Montgomery-Floyd-Craig-Alleghany VA-Bath-Roanoke-Botetourt-
Rockbridge-Franklin-Bedford-Amherst-
306 AM EST Sat Dec 11 2021

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 AM EST
SUNDAY...

This Hazardous Weather Outlook is for central Virginia, south
central Virginia, southwest Virginia and west central Virginia.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Wind Advisory.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ002>006-019-020-VAZ013-016-032-043>047-058-059-120815-
Alleghany NC-Surry-Stokes-Rockingham-Caswell-Wilkes-Yadkin-Pulaski-
Carroll-Patrick-Henry-Pittsylvania-Campbell-Appomattox-Buckingham-
Halifax-Charlotte-
306 AM EST Sat Dec 11 2021

This Hazardous Weather Outlook is for north central North Carolina,
northwest North Carolina, central Virginia, south central Virginia
and southwest Virginia.

.DAY ONE...Today and tonight.

A line of showers and a few thunderstorms could bring damaging wind
gusts this afternoon into early evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Reports should be submitted by
phone by calling 1-866-215-4324, social media, by email at
rnk.skywarn@noaa.gov or online at www.weather.gov/rnk.

WVZ042>044-507-508-120815-
Mercer-Summers-Monroe-Eastern Greenbrier-Western Greenbrier-
306 AM EST Sat Dec 11 2021

This Hazardous Weather Outlook is for southeast West Virginia.

.DAY ONE...Today and tonight.

There is a low probability for widespread hazardous weather.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Dec 11, 10:43 AM EST, 2 hours 26 minutes before
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Special weather statement, Dec 11, 12:32 PM EST, 37 minutes before
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Special weather statement, Dec 11, 12:35 PM EST, 34 minutes before
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Special weather statement, Dec 11, 12:46 PM EST, 23 minutes before
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Local storm report, Dec 11, 12:55 PM EST, 14 minutes before
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Special weather statement, Dec 11, 1:09 PM EST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 3:02 AM ESTWind AdvisoryRNKAlleghany, Amherst, Bath, Bedford, Bland, Botetourt and 21 more25 hr
Dec 11, 12:32 PM ESTSpecial Weather StatementRNKGrayson, Smyth, Wythe, City of Galax43 min
Dec 11, 12:46 PM ESTSpecial Weather StatementRNKBland, Pulaski, City of Radford44 min
Dec 11, 12:54 PM ESTSevere Thunderstorm WarningRNKCarroll, Floyd, Grayson, Pulaski, Wythe, City of Galax51 min
Dec 11, 1:03 PM ESTSevere Thunderstorm WarningRNKBland, Giles, Montgomery, Pulaski, Wythe, City of Radford40 min
Dec 11, 3:33 PM ESTSpecial Weather StatementRNKPittsylvania, City of Martinsville27 min
Dec 11, 4:06 PM ESTSpecial Weather StatementRNKAppomattox, Campbell, Pittsylvania, City of Danville24 min
Dec 11, 4:35 PM ESTSpecial Weather StatementRNKAppomattox, Charlotte, Halifax, Pittsylvania, City of Danville25 min
Dec 11, 5:00 PM ESTSpecial Weather StatementRNKCharlotte, Halifax, City of Danville30 min
Dec 11, 5:30 PM ESTSpecial Weather StatementRNKCharlotte, Halifax, City of Danville30 min
Dec 11, 12:35 PM ESTSpecial Weather StatementRNKAlleghany, Ashe, Watauga40 min
Dec 11, 2:36 PM ESTSpecial Weather StatementRNKSurry39 min
Dec 11, 3:00 PM ESTSpecial Weather StatementRNKWilkes45 min
Dec 11, 3:45 PM ESTSpecial Weather StatementRNKYadkin30 min
Dec 11, 3:57 PM ESTSpecial Weather StatementRNKRockingham, Stokes33 min
Dec 11, 4:31 PM ESTSpecial Weather StatementRNKRockingham, Stokes29 min
Dec 11, 6:01 PM ESTSpecial Weather StatementRNKCaswell29 min
Dec 11, 10:43 AM ESTSpecial Weather StatementRNKSummers47 min

Nearby

Special Weather Statements in Virginia, 2021Special Weather Statements in West 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.