Alert archive / Virginia / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 103, NWS Wakefield, VA

July 1, 20205 counties in Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Jul 1, 2020, 3:40 PM EDT for 5 counties in Virginia. It was in force for 30 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 1, 2020, 3:40 PM EDT (19:40 UTC)
Expired
Jul 1, 2020, 4:10 PM EDT
In force
30 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Charles City County, VA, City of Williamsburg, VA, James City County, VA, Prince George County, VA, Surry County, VA

The radar

The Norfolk radar (KAKQ), 30 km from the middle of the area, began a volume at 19:42 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

Wallops Is Stn, VA (KWAL), launched 12:00Z, 7.7 hours before the alert went out and 155 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, Wallops Is Stn, VA at 12:00Z on 2020-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 706 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, Wallops Is Stn, VA at 12:00Z on 2020-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
706 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1227 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

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 Wakefield, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 1, 3:18 PM EDT, 22 minutes earlier.

Area forecast discussion, Jul 1, 3:18 PM EDT, 22 minutes before
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Hazardous weather outlook, Jul 1, 2:22 AM EDT, 13 hours 18 minutes before
Hazardous Weather Outlook
National Weather Service Wakefield VA
222 AM EDT Wed Jul 1 2020

MDZ021>025-NCZ012>017-030>032-102-VAZ048-060>062-064>069-075>090-092-
093-095>100-509>525-020630-
Dorchester-Wicomico-Somerset-Inland Worcester-Maryland Beaches-
Northampton-Hertford-Gates-Pasquotank-Camden-Western Currituck-
Bertie-Chowan-Perquimans-Eastern Currituck-Fluvanna-Prince Edward-
Cumberland-Goochland-Caroline-Mecklenburg-Lunenburg-Nottoway-Amelia-
Powhatan-Westmoreland-Richmond-Northumberland-Lancaster-Brunswick-
Dinwiddie-Prince George-Charles City-New Kent-Gloucester-Middlesex-
Mathews-Greensville-Sussex-Surry-James City-Southampton-
Isle of Wight-Norfolk/Portsmouth-Suffolk-Chesapeake-Virginia Beach-
Accomack-Western Louisa-Eastern Louisa-Western Hanover-
Eastern Hanover-Western Chesterfield-
Eastern Chesterfield (Including Col. Heights)-
Western Henrico (Including the City of Richmond)-Eastern Henrico-
Western King William-Eastern King William-Western King and Queen-
Eastern King and Queen-Western Essex-Eastern Essex-York-Newport News-
Hampton/Poquoson-
222 AM EDT Wed Jul 1 2020

This Hazardous Weather Outlook is for southeast Maryland, northeast
North Carolina, central Virginia, east central Virginia, eastern
Virginia, north central Virginia, south central Virginia and
southeast Virginia.

.DAY ONE...Today and tonight.

Isolated to scattered thunderstorms are expected...mainly this
afternoon and this evening. Primary threats from these thunderstorms
will be strong gusty winds and locally heavy rainfall.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jul 1, 2:52 PM EDT, 48 minutes before
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Local storm report, Jul 1, 2:53 PM EDT, 47 minutes before
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Special weather statement, Jul 1, 3:04 PM EDT, 36 minutes before
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Local storm report, Jul 1, 3:12 PM EDT, 28 minutes before
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Local storm report, Jul 1, 3:14 PM EDT, 26 minutes before
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Special weather statement, Jul 1, 3:18 PM EDT, 22 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 1:48 AM EDTSpecial Weather StatementAKQGoochland, Powhatan57 min
Jul 1, 2:58 AM EDTSpecial Weather StatementAKQFluvanna62 min
Jul 1, 11:00 AM EDTSpecial Marine WarningAKQ45 min
Jul 1, 12:16 PM EDTSpecial Weather StatementAKQAccomack29 min
Jul 1, 12:44 PM EDTSpecial Weather StatementAKQNorthumberland46 min
Jul 1, 12:47 PM EDTSpecial Weather StatementAKQEssex43 min
Jul 1, 12:51 PM EDTSpecial Marine WarningAKQ39 min
Jul 1, 12:59 PM EDTSpecial Marine WarningAKQ61 min
Jul 1, 1:12 PM EDTSpecial Weather StatementAKQLancaster, Middlesex48 min
Jul 1, 1:24 PM EDTSpecial Weather StatementAKQAccomack51 min
Jul 1, 1:27 PM EDTSpecial Marine WarningAKQ63 min
Jul 1, 1:33 PM EDTSpecial Weather StatementAKQKing and Queen42 min
Jul 1, 1:37 PM EDTSevere Thunderstorm WarningAKQAccomack38 min
Jul 1, 1:55 PM EDTSpecial Marine WarningAKQ65 min
Jul 1, 2:00 PM EDTSevere Thunderstorm WarningAKQGloucester, Lancaster, Mathews, Middlesex45 min
Jul 1, 2:07 PM EDTSevere Thunderstorm WarningAKQAccomack38 min
Jul 1, 2:12 PM EDTSpecial Marine WarningAKQ63 min
Jul 1, 2:15 PM EDTSpecial Weather StatementAKQCharles City, Henrico45 min
Jul 1, 2:20 PM EDTSpecial Weather StatementAKQPrince Edward40 min
Jul 1, 2:34 PM EDTSpecial Marine WarningAKQ56 min
Jul 1, 2:51 PM EDTSpecial Marine WarningAKQ54 min
Jul 1, 2:57 PM EDTSevere Thunderstorm WarningAKQNorthampton63 min
Jul 1, 3:04 PM EDTSpecial Weather StatementAKQCharles City, New Kent41 min
Jul 1, 3:17 PM EDTSevere Thunderstorm WarningAKQCharles City43 min
Jul 1, 3:18 PM EDTSpecial Weather StatementAKQChesterfield, Powhatan42 min
Jul 1, 3:40 PM EDTSevere Thunderstorm WarningAKQChesterfield, Powhatan, City of Richmond50 min
Jul 1, 3:48 PM EDTSpecial Marine WarningAKQ57 min
Jul 1, 3:52 PM EDTSpecial Weather StatementAKQYork38 min
Jul 1, 3:55 PM EDTSpecial Marine WarningAKQ65 min
Jul 1, 4:01 PM EDTSpecial Weather StatementAKQCity of Virginia Beach44 min
Jul 1, 4:03 PM EDTSpecial Weather StatementAKQNorthampton42 min
Jul 1, 4:14 PM EDTSpecial Weather StatementAKQFluvanna46 min
Jul 1, 4:16 PM EDTSpecial Marine WarningAKQ59 min
Jul 1, 4:18 PM EDTSevere Thunderstorm WarningAKQCharles City, Chesterfield, Henrico, Prince George, City of Colonial Heights, City of Hopewell and 2 more42 min
Jul 1, 4:24 PM EDTAreal Flood AdvisoryAKQChesterfield, Henrico, City of Richmond6 min
Jul 1, 4:24 PM EDTSevere Thunderstorm WarningAKQFluvanna24 min
Jul 1, 4:26 PM EDTSpecial Marine WarningAKQ64 min
Jul 1, 4:30 PM EDTFlash Flood WarningAKQChesterfield, Henrico, City of Richmond2 hr
Jul 1, 4:30 PM EDTSpecial Weather StatementAKQYork, City of Newport News45 min
Jul 1, 4:46 PM EDTSpecial Marine WarningAKQ59 min
Jul 1, 4:53 PM EDTSevere Thunderstorm WarningAKQIsle of Wight, City of Hampton, City of Newport News52 min
Jul 1, 4:58 PM EDTSpecial Marine WarningAKQ49 min
Jul 1, 5:00 PM EDTFlash Flood WarningAKQChesterfield, Hanover, Henrico, City of Richmond117 min
Jul 1, 5:04 PM EDTSpecial Weather StatementAKQCity of Norfolk, City of Virginia Beach41 min
Jul 1, 5:09 PM EDTSpecial Weather StatementAKQIsle of Wight, Surry, Sussex51 min
Jul 1, 5:11 PM EDTAreal Flood AdvisoryAKQCity of Norfolk, City of Virginia Beach24 min
Jul 1, 5:29 PM EDTSevere Thunderstorm WarningAKQCity of Chesapeake, City of Virginia Beach31 min
Jul 1, 5:35 PM EDTFlash Flood WarningAKQCity of Norfolk, City of Virginia Beach2 hr
Jul 1, 5:35 PM EDTSpecial Marine WarningAKQ55 min
Jul 1, 5:39 PM EDTSpecial Marine WarningAKQ37 min
Jul 1, 5:52 PM EDTSpecial Weather StatementAKQCity of Chesapeake, City of Virginia Beach53 min
Jul 1, 6:06 PM EDTSpecial Weather StatementAKQGreensville, City of Emporia39 min
Jul 1, 6:27 PM EDTSpecial Marine WarningAKQ63 min
Jun 30, 10:24 PM EDTFlash Flood WarningAKQHertford, Northampton2 hr
Jul 1, 4:55 PM EDTSpecial Weather StatementAKQCurrituck50 min
Jul 1, 6:33 PM EDTSpecial Weather StatementAKQGates42 min
Jul 1, 7:05 PM EDTSpecial Weather StatementAKQCamden, Chowan, Currituck, Pasquotank, Perquimans40 min
Jul 1, 7:25 PM EDTSevere Thunderstorm WarningAKQBertie, Chowan, Hertford, Perquimans50 min
Jul 1, 7:46 PM EDTSpecial Weather StatementAKQBertie44 min
Jul 1, 1:58 AM EDTSpecial Weather StatementAKQDorchester62 min
Jul 1, 3:06 AM EDTSpecial Weather StatementAKQSomerset54 min
Jul 1, 5:31 AM EDTSpecial Weather StatementAKQDorchester59 min
Jul 1, 9:47 AM EDTSpecial Weather StatementAKQDorchester43 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2020Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.