Alert archive / Virginia / Special Weather Statements in 2020

Special Weather Statement, NWS Blacksburg, VA

August 1, 2020Charlotte County, Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 1, 2020, 8:02 PM EDT for Charlotte County, Virginia. It was in force for 28 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 1, 2020, 8:02 PM EDT (00:02 UTC)
Expired
Aug 1, 2020, 8:30 PM EDT
In force
28 min
Issued by
NWS Blacksburg, VA

County Charlotte County, VA

The radar

The Raleigh/Durham radar (KRAX), 143 km from the middle of the area, began a volume at 00:02 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.

What was reported inside it

TimeReportWhereRemark
Aug 1, 8:20 PM EDTTSTM WND DMG1 Wnw Charlotte Court H, VASEVERAL TREES REPORTED DOWN ALONG DAVID BRUCE AVE. IN CHARLOTTE COURTHOUSE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 0.0 hours before the alert went out and 81 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 00:00Z on 2020-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 784 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 00:00Z on 2020-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 square meters per square second.193958Sfc1 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
784 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1219 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted.

035 
WWUS81 KRNK 020002
SPSRNK

Special Weather Statement
National Weather Service BLACKSBURG VA
802 PM EDT Sat Aug 1 2020

VAZ058-059-020030-
Halifax-Charlotte-
802 PM EDT Sat Aug 1 2020

...A STRONG THUNDERSTORM WILL AFFECT 
CENTRAL CHARLOTTE AND NORTHEASTERN HALIFAX COUNTIES...

At 802 PM EDT, a strong thunderstorm was located near Saxe, or near
Clover, moving northeast at 30 mph.

Winds in excess of 40 mph and half inch hail are possible with this
storm.

Locations impacted include...
Keysville...
Charlotte Court House...
Phenix...
Clover...
Drakes Branch...
Mt Laurel...
and Cullen.

Torrential rainfall is also occurring with this storm, and may cause
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.

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 3692 7849 3677 7875 3688 7893 3718 7871
      3703 7846
TIME...MOT...LOC 0002Z 217DEG 27KT 3693 7874 

$$

RR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 8:05 PM EDTSpecial Weather StatementRNKRockbridge, City of Lexington25 min
Aug 1, 8:11 PM EDTSevere Thunderstorm WarningRNKCharlotte, Halifax35 min
Aug 2, 4:55 AM EDTFlash Flood WatchRNKAmherst, Appomattox, Bedford, Bland, Botetourt, Buckingham and 28 more50 hr
Aug 2, 1:40 PM EDTSpecial Weather StatementRNKCity of Lynchburg35 min
Aug 2, 2:08 PM EDTSpecial Weather StatementRNKAppomattox37 min
Aug 2, 2:10 PM EDTSpecial Weather StatementRNKFranklin35 min
Aug 2, 2:25 PM EDTSevere Thunderstorm WarningRNKFranklin35 min
Aug 2, 2:38 PM EDTSpecial Weather StatementRNKBuckingham22 min
Aug 2, 2:42 PM EDTSevere Thunderstorm WarningRNKBuckingham22 min
Aug 2, 4:19 PM EDTSpecial Weather StatementRNKPatrick26 min
Aug 2, 4:48 PM EDTSpecial Weather StatementRNKCity of Martinsville27 min
Aug 2, 5:24 PM EDTSpecial Weather StatementRNKCampbell36 min
Aug 2, 6:24 PM EDTSpecial Weather StatementRNKCharlotte51 min
Aug 2, 6:59 PM EDTAreal Flood AdvisoryRNKMontgomery, Pulaski63 min
Aug 2, 7:24 PM EDTSpecial Weather StatementRNKCharlotte36 min
Aug 2, 2:53 PM EDTSpecial Weather StatementRNKWilkes37 min
Aug 2, 3:33 PM EDTSpecial Weather StatementRNKSurry27 min
Aug 2, 4:04 PM EDTSpecial Weather StatementRNKSurry26 min
Aug 2, 5:21 PM EDTSpecial Weather StatementRNKAshe, Watauga39 min
Aug 1, 8:20 PM EDTSpecial Weather StatementRNKGreenbrier25 min
Aug 1, 8:42 PM EDTSpecial Weather StatementRNKGreenbrier48 min

Nearby

Special Weather Statements in Virginia, 2020Every special weather statement in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.