Alert archive / West Virginia / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 142, NWS Charleston, WV

September 2, 1993Hampshire County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Sep 2, 1993, 3:03 PM EDT for Hampshire County, West Virginia. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Sep 2, 1993, 3:03 PM EDT (19:03 UTC)
Expired
Sep 2, 1993, 3:45 PM EDT
In force
42 min
Issued by
NWS Charleston, WV
Area
Whole counties

County Hampshire County, WV

The radar

The Sterling radar (KLWX), 104 km from the middle of the area, began a volume at 19:06 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 7.1 hours before the alert went out and 112 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 1993-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 313 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 1993-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
313 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
966 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 2, 4:08 PM EDTSevere Thunderstorm WarningRLXHampshire67 min
Sep 2, 4:15 PM EDTTornado WarningRLXHampshire45 min
Sep 2, 5:50 PM EDTSevere Thunderstorm WarningRLXFranklin55 min
Sep 2, 7:08 PM EDTFlash Flood WarningRLXFairfield, Licking, Perry3 hr
Sep 2, 3:34 PM EDTSevere Thunderstorm WarningRLXAllegany26 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 1993Every severe thunderstorm warning in 1993

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.