Alert archive / Virginia / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 63, NWS Wakefield, VA

May 4, 20198 counties in Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at May 4, 2019, 10:15 PM EDT for 8 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
May 4, 2019, 10:15 PM EDT (02:15 UTC)
Expired
May 4, 2019, 10:45 PM EDT
In force
30 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Brunswick County, VA, Chesterfield County, VA, City of Colonial Heights, VA, City of Petersburg, VA, Dinwiddie County, VA, Greensville County, VA, Prince George County, VA, Sussex County, VA

The radar

The Norfolk radar (KAKQ), 44 km from the middle of the area, began a volume at 02:15 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 00:00Z, 2.3 hours before the alert went out and 179 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 2019-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 64 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 00:00Z on 2019-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.19395878Sfc1 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
64 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
690 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 8:49 PM EDTSevere Thunderstorm WarningAKQLunenburg, Mecklenburg56 min
May 4, 9:44 PM EDTSpecial Weather StatementAKQBrunswick, Lunenburg, Nottoway46 min
May 4, 9:58 PM EDTMarine Dense Fog AdvisoryAKQ10 hr
May 4, 10:43 PM EDTSpecial Weather StatementAKQCharles City, Isle of Wight, Prince George, Surry, Sussex, City of Colonial Heights and 2 more47 min
May 4, 11:13 PM EDTSpecial Marine WarningAKQ77 min
May 4, 11:18 PM EDTSpecial Weather StatementAKQGloucester, James City, York, City of Newport News, City of Williamsburg42 min
May 4, 11:54 PM EDTSpecial Marine WarningAKQ60 min
May 5, 3:49 AM EDTSmall Craft AdvisoryAKQ42 hr
May 5, 8:26 AM EDTSpecial Weather StatementAKQCity of Chesapeake49 min
May 5, 2:15 PM EDTSpecial Weather StatementAKQCity of Chesapeake, City of Suffolk45 min
May 5, 2:21 PM EDTSpecial Weather StatementAKQCity of Virginia Beach24 min
May 5, 3:04 PM EDTSpecial Weather StatementAKQCity of Chesapeake, City of Portsmouth, City of Virginia Beach56 min
May 5, 4:04 PM EDTSpecial Weather StatementAKQChesterfield, Henrico56 min
May 5, 4:31 PM EDTSpecial Weather StatementAKQCity of Suffolk44 min
May 5, 4:38 PM EDTSpecial Weather StatementAKQCharles City, Henrico, New Kent, Prince George, City of Colonial Heights, City of Hopewell and 1 more52 min
May 5, 5:03 PM EDTSpecial Weather StatementAKQCity of Chesapeake, City of Portsmouth, City of Virginia Beach42 min
May 5, 5:09 PM EDTSpecial Weather StatementAKQCharles City, James City, Prince George51 min
May 5, 5:45 PM EDTSpecial Weather StatementAKQCity of Virginia Beach30 min
May 5, 5:49 PM EDTSpecial Weather StatementAKQGloucester, James City, City of Williamsburg41 min
May 5, 7:03 PM EDTSpecial Marine WarningAKQ40 min
May 5, 6:24 PM EDTSpecial Weather StatementAKQCamden51 min
May 5, 2:19 AM EDTSpecial Weather StatementAKQWicomico41 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2019Every severe thunderstorm warning in 2019

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.