Alert archive / Virginia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 80, NWS Wakefield, VA

June 26, 1997Prince George County, City of Colonial Heights, City of Petersburg, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Jun 26, 1997, 7:51 PM EDT for Prince George County, City of Colonial Heights, City of Petersburg, Virginia. It was in force for 49 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
Jun 26, 1997, 7:51 PM EDT (23:51 UTC)
Expired
Jun 26, 1997, 8:40 PM EDT
In force
49 min
Issued by
NWS Wakefield, VA
Area
Whole counties

Counties City of Colonial Heights, VA, City of Petersburg, VA, Prince George County, VA

The radar

The Norfolk radar (KAKQ), 40 km from the middle of the area, began a volume at 23:52 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 26, 3:00 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 11.9 hours before the alert went out and 191 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 1997-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1009 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 1997-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
1009 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
746 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 6:42 PM EDTSevere Thunderstorm WarningAKQCumberland, Powhatan33 min
Jun 26, 6:53 PM EDTSevere Thunderstorm WarningAKQAmelia32 min
Jun 26, 7:04 PM EDTSevere Thunderstorm WarningAKQAccomack, Northampton46 min
Jun 26, 7:11 PM EDTSevere Thunderstorm WarningAKQChesterfield, Dinwiddie49 min
Jun 26, 7:45 PM EDTSevere Thunderstorm WarningAKQSurry30 min
Jun 26, 7:51 PM EDTSevere Thunderstorm WarningAKQBrunswick, Greensville49 min
Jun 26, 7:51 PM EDTSevere Thunderstorm WarningAKQSussex49 min
Jun 26, 7:51 PM EDTSevere Thunderstorm WarningAKQCity of Emporia49 min
Jun 26, 7:51 PM EDTSevere Thunderstorm WarningAKQCity of Hopewell49 min
Jun 26, 5:29 PM EDTSevere Thunderstorm WarningAKQDorchester46 min
Jun 26, 5:35 PM EDTSevere Thunderstorm WarningAKQSomerset, Wicomico50 min
Jun 26, 6:08 PM EDTSevere Thunderstorm WarningAKQWicomico, Worcester47 min

Nearby

Severe Thunderstorm Warnings in Virginia, 1997Every severe thunderstorm warning in 1997

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.