Alert archive / Virginia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 48, NWS Baltimore/Washington

June 26, 1997Fauquier County, Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 26, 1997, 3:44 PM EDT for Fauquier County, Virginia. It was in force for 61 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, 3:44 PM EDT (19:44 UTC)
Expired
Jun 26, 1997, 4:45 PM EDT
In force
61 min
Issued by
NWS Baltimore/Washington
Area
Whole counties

County Fauquier County, VA

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

Washington/Dulle, VA (KIAD), launched 12:00Z, 7.7 hours before the alert went out and 42 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, 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
Jun 26, 2:41 PM EDTSevere Thunderstorm WarningLWXJefferson59 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.