Alert archive / Virginia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 79, NWS Morristown, TN

April 15, 1998Wise County, Virginia

NWS Morristown, TN issued this severe thunderstorm warning at Apr 15, 1998, 4:10 PM EDT for Wise County, Virginia. It was in force for 50 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: Apr 15, 1998, 4:10 PM EDT (20:10 UTC)
Expired: Apr 15, 1998, 5:00 PM EDT
In force: 50 min
Issued by: NWS Morristown, TN
Area: Whole counties

County Wise County, VA

What was reported inside it

Time	Report	Where	Remark
Apr 15, 4:40 PM EDT	Hail 0.75	Pound, VA

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 nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.2 hours before the alert went out and 263 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1066 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 4 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Morristown, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 15, 3:20 PM EDT, 50 minutes earlier.

Area forecast discussion, Apr 15, 3:20 PM EDT, 50 minutes before

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In the hours before

Special weather statement, Apr 15, 12:15 PM EDT, 3 hours 55 minutes before

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Special weather statement, Apr 15, 12:15 PM EDT, 3 hours 55 minutes before

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Nearby

Severe Thunderstorm Warnings in Virginia, 1998 Every severe thunderstorm warning in 1998

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.