Alert archive / West Virginia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 45, NWS Baltimore/Washington

June 26, 1997Jefferson County, West Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 26, 1997, 2:41 PM EDT for Jefferson County, West Virginia. It was in force for 59 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 26, 1997, 2:41 PM EDT (18:41 UTC)
Expired
Jun 26, 1997, 3:40 PM EDT
In force
59 min
Issued by
NWS Baltimore/Washington
Area
Whole counties

County Jefferson County, WV

What was reported inside it

TimeReportWhereRemark
Jun 26, 3:00 PM EDTThunderstorm WindSouth Portion, WVA severe thunderstorm produced wind gusts strong enough to collapse a mobile home in southern Jefferson Co. Nearby wires were also blown down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 26, 1:30 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 6.7 hours before the alert went out and 56 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, Washington/Dulle, VA at 12:00Z on 1997-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1052 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, Washington/Dulle, VA at 12:00Z on 1997-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
1052 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
1330 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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 Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 2:26 PM EDTSevere Thunderstorm WarningLWXClarke, Frederick59 min
Jun 26, 2:58 PM EDTSevere Thunderstorm WarningLWXLoudoun62 min
Jun 26, 3:44 PM EDTSevere Thunderstorm WarningLWXFauquier61 min
Jun 26, 4:29 PM EDTSevere Thunderstorm WarningLWXFairfax, City of Fairfax61 min
Jun 26, 4:29 PM EDTSevere Thunderstorm WarningLWXCity of Alexandria61 min
Jun 26, 3:22 PM EDTSevere Thunderstorm WarningLWXMontgomery63 min
Jun 26, 4:09 PM EDTSevere Thunderstorm WarningLWXPrince George's61 min
Jun 26, 4:40 PM EDTSevere Thunderstorm WarningLWXCharles65 min
Jun 26, 4:54 PM EDTSevere Thunderstorm WarningLWXCalvert61 min

Nearby

Severe Thunderstorm Warnings in West 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.