Alert archive / North Carolina / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 32, NWS Blacksburg, VA

July 8, 1991Davidson County, Forsyth County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 8, 1991, 6:07 PM EDT for Davidson County, Forsyth County, North Carolina. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Jul 8, 1991, 6:07 PM EDT (22:07 UTC)
Expired
Jul 8, 1991, 7:15 PM EDT
In force
68 min
Issued by
NWS Blacksburg, VA
Area
Whole counties

Counties Davidson County, NC, Forsyth County, NC

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 12:00Z, 10.1 hours before the alert went out and 335 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, Huntington/Tri S, WV at 12:00Z on 1991-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1405 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Huntington/Tri S, WV at 12:00Z on 1991-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
1405 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
769 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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The text

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

Nearby

Severe Thunderstorm Warnings in North Carolina, 1991Every severe thunderstorm warning in 1991

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.