Alert archive / Virginia / Special Weather Statements in 2022

Special Weather Statement, NWS Blacksburg, VA

August 6, 2022Craig County, Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 6, 2022, 2:39 PM EDT for Craig County, 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
Aug 6, 2022, 2:39 PM EDT (18:39 UTC)
Expired
Aug 6, 2022, 3:15 PM EDT
In force
36 min
Issued by
NWS Blacksburg, VA
Hail
0.25 in
Wind
40

County Craig County, VA

The radar

The Roanoke radar (KFCX), 57 km from the middle of the area, began a volume at 18:42 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, 6.7 hours before the alert went out and 66 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 2022-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 195 joules per kilogram.LCLLFCEL10008507005003002001001 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 2022-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 square meters per square second.1939Sfc1 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
195 J/kg
Mixed-layer CIN
-118 J/kg
Mixed-layer LCL
905 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
1 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 6, 1:35 PM EDT, 1 hour 4 minutes earlier.

Area forecast discussion, Aug 6, 1:35 PM EDT, 1 hour 4 minutes before
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Hazardous weather outlook, Aug 6, 3:45 AM EDT, 10 hours 54 minutes before
Hazardous Weather Outlook
National Weather Service Blacksburg VA
345 AM EDT Sat Aug 6 2022

NCZ001-002-018-VAZ007-009>020-022>024-WVZ042>044-507-508-070745-
Ashe-Alleghany NC-Watauga-Tazewell-Smyth-Bland-Giles-Wythe-Pulaski-
Montgomery-Grayson-Carroll-Floyd-Craig-Alleghany VA-Bath-Roanoke-
Botetourt-Rockbridge-Mercer-Summers-Monroe-Eastern Greenbrier-
Western Greenbrier-
345 AM EDT Sat Aug 6 2022

This Hazardous Weather Outlook is for northwest North Carolina,
southwest Virginia, west central Virginia and southeast West
Virginia.

.DAY ONE...Today and tonight.

Scattered to numerous showers and thunderstorms today and tonight
may produce moderate to heavy rainfall, which could cause localized
areas of flash flooding. A few storms could also produce damaging
wind gusts.

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

Thunderstorms are expected each afternoon and evening through mid
week. These storms may pose a flooding threat.

.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.

NCZ003>006-019-020-VAZ032>035-043>047-058-059-070745-
Surry-Stokes-Rockingham-Caswell-Wilkes-Yadkin-Patrick-Franklin-
Bedford-Amherst-Henry-Pittsylvania-Campbell-Appomattox-Buckingham-
Halifax-Charlotte-
345 AM EDT Sat Aug 6 2022

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

.DAY ONE...Today and tonight.

A few storms today and tonight may be produce isolated flash
flooding. Isolated damaging winds are also possible.

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

Thunderstorms are expected each afternoon and evening through mid
week. These storms may pose a flooding threat.

.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.

In the hours before

Special weather statement, Aug 6, 12:38 PM EDT, 2 hours 1 minute before
Special Weather Statement
National Weather Service BLACKSBURG VA
1238 PM EDT Sat Aug 6 2022

VAZ012-013-061715-
Pulaski VA-Wythe VA-
1238 PM EDT Sat Aug 6 2022

...A strong thunderstorm will impact portions of
southwestern Pulaski and northeastern Wythe Counties through 115 PM
EDT...

At 1238 PM EDT, Doppler radar was tracking a strong thunderstorm over
Grahams Forge, or near Max Meadows, moving northeast at 10 mph.

HAZARD...Winds in excess of 30 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Pulaski...
Max Meadows...
Allisonia...
Patterson...
Fort Chiswell...
Draper...
and Grahams Forge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

&&

LAT...LON 3713 8082 3692 8065 3691 8066 3691 8068
      3690 8068 3683 8093 3688 8109
TIME...MOT...LOC 1638Z 233DEG 10KT 3692 8091

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH

WP
Special weather statement, Aug 6, 1:16 PM EDT, 1 hour 23 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
116 PM EDT Sat Aug 6 2022

VAZ012-013-015-016-061745-
Grayson VA-Pulaski VA-Wythe VA-Carroll VA-
116 PM EDT Sat Aug 6 2022

...A strong thunderstorm will impact portions of
south central Pulaski, southeastern Wythe, northern Carroll and
northeastern Grayson Counties through 145 PM EDT...

At 116 PM EDT, Doppler radar was tracking a strong thunderstorm over
Byllesby, or 7 miles northeast of Fries, moving northeast at 25 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Fries...
Allisonia...
Patterson...
Byllesby...
Grahams Forge...
Ivanhoe...
and Sylvatus.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
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 3669 8095 3678 8110 3701 8075 3685 8058
TIME...MOT...LOC 1716Z 242DEG 29KT 3681 8092

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

WP
Special weather statement, Aug 6, 1:53 PM EDT, 46 minutes before
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Special weather statement, Aug 6, 1:57 PM EDT, 42 minutes before
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Special weather statement, Aug 6, 2:20 PM EDT, 19 minutes before
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Special weather statement, Aug 6, 2:39 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 8:25 PM EDTAreal Flood AdvisoryRNKCharlotte, Halifax6 hr
Aug 5, 10:28 PM EDTSpecial Weather StatementRNKCity of Danville17 min
Aug 5, 10:40 PM EDTAreal Flood AdvisoryRNKPittsylvania, City of Danville4 hr
Aug 5, 10:45 PM EDTSpecial Weather StatementRNKFranklin30 min
Aug 6, 1:37 AM EDTAreal Flood AdvisoryRNKHenry, Patrick3 hr
Aug 6, 12:38 PM EDTSpecial Weather StatementRNKPulaski37 min
Aug 6, 12:48 PM EDTAreal Flood AdvisoryRNKGrayson3 hr
Aug 6, 1:16 PM EDTSpecial Weather StatementRNKCarroll29 min
Aug 6, 1:28 PM EDTSevere Thunderstorm WarningRNKMontgomery, Pulaski, City of Radford32 min
Aug 6, 1:36 PM EDTSevere Thunderstorm WarningRNKCarroll, Floyd, Pulaski, Wythe24 min
Aug 6, 1:53 PM EDTSpecial Weather StatementRNKGiles37 min
Aug 6, 1:57 PM EDTSpecial Weather StatementRNKHalifax33 min
Aug 6, 2:08 PM EDTAreal Flood AdvisoryRNKBland, Giles, Pulaski, Wythe3 hr
Aug 6, 2:20 PM EDTSpecial Weather StatementRNKAlleghany, City of Covington25 min
Aug 6, 3:15 PM EDTSpecial Weather StatementRNKBotetourt30 min
Aug 6, 3:29 PM EDTSpecial Weather StatementRNKCity of Martinsville31 min
Aug 6, 3:33 PM EDTSpecial Weather StatementRNKBath27 min
Aug 6, 4:29 PM EDTSpecial Weather StatementRNKFranklin31 min
Aug 6, 5:18 PM EDTSpecial Weather StatementRNKCity of Lynchburg27 min
Aug 6, 1:51 AM EDTAreal Flood AdvisoryRNKYadkin3 hr
Aug 6, 2:42 PM EDTSpecial Weather StatementRNKStokes33 min
Aug 6, 2:43 PM EDTSpecial Weather StatementRNKRockingham32 min
Aug 6, 3:47 PM EDTSpecial Weather StatementRNKStokes28 min

Nearby

Special Weather Statements in Virginia, 2022Every special weather statement in 2022

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.