Alert archive / Virginia / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 215, NWS Blacksburg, VA

July 16, 2022Charlotte County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 16, 2022, 1:56 PM EDT for Charlotte County, Virginia. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 16, 2022, 1:56 PM EDT (17:56 UTC)
Expired: Jul 16, 2022, 2:30 PM EDT
In force: 34 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Charlotte County, VA

The radar

The Roanoke radar (KFCX), 143 km from the middle of the area, began a volume at 17:56 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, 5.9 hours before the alert went out and 77 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: 410 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 896 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 74 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 16, 1:42 PM EDT, 14 minutes earlier.

Area forecast discussion, Jul 16, 1:42 PM EDT, 14 minutes before

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Hazardous weather outlook, Jul 16, 5:26 AM EDT, 8 hours 30 minutes before

Hazardous Weather Outlook
National Weather Service Blacksburg VA
526 AM EDT Sat Jul 16 2022

VAZ035-045>047-058-059-170930-
Amherst-Campbell-Appomattox-Buckingham-Halifax-Charlotte-
526 AM EDT Sat Jul 16 2022

This Hazardous Weather Outlook is for central Virginia and south
central Virginia.

.DAY ONE...Today and tonight.

Strong to severe thunderstorms are possible this afternoon and
evening. The primary threat is damaging wind.

Slow moving storms combined with heavy rainfall rates may produce
localized flooding this afternoon and evening.

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

The daily threat for afternoon and evening thunderstorms continues
Sunday and Monday. Any of the stronger storms may produce heavy
rainfall rates that may result in localized flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ003>006-019-020-VAZ011-013-014-016>020-022>024-032>034-043-044-
WVZ044-507-508-170930-
Surry-Stokes-Rockingham-Caswell-Wilkes-Yadkin-Giles-Pulaski-
Montgomery-Carroll-Floyd-Craig-Alleghany VA-Bath-Roanoke-Botetourt-
Rockbridge-Patrick-Franklin-Bedford-Henry-Pittsylvania-Monroe-
Eastern Greenbrier-Western Greenbrier-
526 AM EDT Sat Jul 16 2022

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

.DAY ONE...Today and tonight.

Slow moving storms combined with heavy rainfall rates may produce
localized flooding this afternoon and evening.

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

On Sunday strong to severe storms are possible. The primary threat is damaging
wind.

The daily threat for afternoon and evening thunderstorms continues
on Monday.

Any of the stronger storms may produce heavy rainfall rates that may
result in localized flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ001-002-018-VAZ007-009-010-012-015-WVZ042-043-170930-
Ashe-Alleghany NC-Watauga-Tazewell-Smyth-Bland-Wythe-Grayson-Mercer-
Summers-
526 AM EDT Sat Jul 16 2022

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

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

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

The daily threat for afternoon and evening thunderstorms continues
Sunday and Monday. Any of the stronger storms may produce heavy
rainfall rates that may result in localized flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jul 16, 1:17 PM EDT, 39 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
117 PM EDT Sat Jul 16 2022

VAZ044-045-161745-
Campbell VA-Pittsylvania VA-
117 PM EDT Sat Jul 16 2022

...A strong thunderstorm will impact portions of southwestern
Campbell and northeastern Pittsylvania Counties through 145 PM EDT...

At 116 PM EDT, Doppler radar was tracking a strong thunderstorm near
Hurt, moving north at 30 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...
Altavista...
Hurt...
Hodges...
and Long Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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 3703 7910 3700 7930 3717 7933 3714 7910
      3706 7909
TIME...MOT...LOC 1716Z 158DEG 27KT 3708 7924

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

RAB

Special weather statement, Jul 16, 1:20 PM EDT, 36 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
120 PM EDT Sat Jul 16 2022

VAZ058-161745-
Halifax VA-
120 PM EDT Sat Jul 16 2022

...A cluster of strong thunderstorm will impact portions of
southeastern Halifax County through 145 PM EDT...

At 119 PM EDT, Doppler radar was tracking a cluster of strong
thunderstorms between South Boston and Hitesburg, moving north at 10
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...
South Boston...
Scottsburg...
Hitesburg...
Staunton River State Park...
Dryburg...
and John H Kerr Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 3669 7866 3669 7868 3668 7870 3667 7870
      3665 7871 3659 7871 3658 7872 3663 7893
      3682 7886 3676 7867 3674 7869 3671 7867
      3670 7865 3668 7863
TIME...MOT...LOC 1719Z 195DEG 7KT 3668 7881

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

RAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 1:12 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox	33 min
Jul 16, 1:17 PM EDT	Special Weather Statement	RNK	Campbell	28 min
Jul 16, 1:20 PM EDT	Special Weather Statement	RNK	Halifax	25 min
Jul 16, 1:32 PM EDT	Severe Thunderstorm Warning	RNK	Campbell, Halifax, Pittsylvania	43 min
Jul 16, 1:37 PM EDT	Severe Thunderstorm Warning	RNK	Buckingham	38 min
Jul 16, 2:09 PM EDT	Flash Flood Warning	RNK	Appomattox	3 hr
Jul 16, 2:14 PM EDT	Areal Flood Advisory	RNK	Campbell, Pittsylvania	3 hr
Jul 16, 2:42 PM EDT	Special Weather Statement	RNK	Appomattox, Charlotte	33 min
Jul 16, 2:52 PM EDT	Special Weather Statement	RNK	City of Danville	38 min
Jul 16, 3:00 PM EDT	Special Weather Statement	RNK	Bedford	30 min
Jul 16, 3:06 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania	24 min
Jul 16, 3:07 PM EDT	Special Weather Statement	RNK	Halifax	53 min
Jul 16, 3:13 PM EDT	Severe Thunderstorm Warning	RNK	Halifax	47 min
Jul 16, 3:19 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania, City of Danville	27 min
Jul 16, 3:50 PM EDT	Special Weather Statement	RNK	City of Danville	25 min
Jul 16, 4:01 PM EDT	Special Weather Statement	RNK	Halifax	29 min
Jul 16, 4:05 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte, Halifax	29 min
Jul 16, 4:18 PM EDT	Areal Flood Advisory	RNK	Pittsylvania, City of Danville	3 hr
Jul 16, 4:26 PM EDT	Special Weather Statement	RNK	Halifax	34 min
Jul 16, 4:44 PM EDT	Areal Flood Advisory	RNK	Charlotte, Halifax	3 hr
Jul 16, 5:46 PM EDT	Special Weather Statement	RNK	Patrick	29 min
Jul 16, 6:21 PM EDT	Special Weather Statement	RNK	City of Martinsville	24 min
Jul 16, 6:56 PM EDT	Special Weather Statement	RNK	Franklin	34 min
Jul 16, 7:12 PM EDT	Severe Thunderstorm Warning	RNK	Franklin	18 min
Jul 16, 3:26 PM EDT	Special Weather Statement	RNK	Caswell	34 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2022 Every severe thunderstorm warning 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.