Alert archive / West Virginia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 193, NWS Blacksburg, VA

June 13, 1998Mercer County, Summers County, West Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 13, 1998, 3:03 AM EDT for Mercer County, Summers County, West Virginia. It was in force for 52 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 13, 1998, 3:03 AM EDT (07:03 UTC)
Expired: Jun 13, 1998, 3:55 AM EDT
In force: 52 min
Issued by: NWS Blacksburg, VA
Area: Whole counties

Counties Mercer County, WV, Summers County, WV

The radar

The Roanoke radar (KFCX), 84 km from the middle of the area, began a volume at 07:04 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jun 13, 1:00 AM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.1 hours before the alert went out and 323 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: 2064 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1235 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 211 m²/s²
0-3 km storm-relative helicity: 238 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 17.7

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 Blacksburg, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 13, 2:40 AM EDT, 23 minutes earlier.

Area forecast discussion, Jun 13, 2:40 AM EDT, 23 minutes before

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In the hours before

Special weather statement, Jun 12, 10:14 PM EDT, 4 hours 49 minutes before

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Special weather statement, Jun 12, 10:14 PM EDT, 4 hours 49 minutes before

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Special weather statement, Jun 13, 2:39 AM EDT, 24 minutes before

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Special weather statement, Jun 13, 2:39 AM EDT, 24 minutes before

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The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 13, 1:42 PM EDT	Severe Thunderstorm Warning	RNK	Bath	48 min
Jun 13, 2:31 PM EDT	Severe Thunderstorm Warning	RNK	Halifax	49 min
Jun 13, 2:46 PM EDT	Tornado Warning	RNK	Halifax	34 min
Jun 13, 2:51 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte	34 min
Jun 13, 3:08 PM EDT	Severe Thunderstorm Warning	RNK	Buckingham	37 min
Jun 13, 3:15 AM EDT	Severe Thunderstorm Warning	RNK	Greenbrier	35 min

Nearby

Severe Thunderstorm Warnings in West 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.