Alert archive / West Virginia / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 85, NWS Charleston, WV

July 18, 2010Wood County, West Virginia; Washington County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Jul 18, 2010, 5:26 PM EDT for Wood County, West Virginia; Washington County, Ohio. It was in force for 49 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: Jul 18, 2010, 5:26 PM EDT (21:26 UTC)
Expired: Jul 18, 2010, 6:15 PM EDT
In force: 49 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon

Counties Washington County, OH, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 115 km from the middle of the area, began a volume at 21:28 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.4 hours before the alert went out and 198 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: 480 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 1026 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Charleston, WV wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 18, 3:47 PM EDT, 1 hour 39 minutes earlier.

Area forecast discussion, Jul 18, 3:47 PM EDT, 1 hour 39 minutes before

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Hazardous weather outlook, Jul 18, 4:20 PM EDT, 1 hour 6 minutes before

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In the hours before

Local storm report, Jul 18, 3:17 PM EDT, 2 hours 9 minutes before

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Local storm report, Jul 18, 3:42 PM EDT, 1 hour 44 minutes before

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Special weather statement, Jul 18, 3:43 PM EDT, 1 hour 43 minutes before

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Special weather statement, Jul 18, 3:56 PM EDT, 1 hour 30 minutes before

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Local storm report, Jul 18, 4:24 PM EDT, 1 hour 2 minutes before

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Special weather statement, Jul 18, 4:32 PM EDT, 54 minutes before

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The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 18, 3:29 AM EDT	Special Weather Statement	RLX	Pleasants	61 min
Jul 18, 4:36 AM EDT	Special Weather Statement	RLX	Jackson, Mason, Putnam	39 min
Jul 18, 4:45 AM EDT	Severe Thunderstorm Warning	RLX	Jackson, Kanawha, Mason, Putnam	45 min
Jul 18, 5:43 AM EDT	Special Weather Statement	RLX	Jackson, Mason	32 min
Jul 18, 2:00 PM EDT	Special Weather Statement	RLX	Clay	60 min
Jul 18, 2:16 PM EDT	Flash Flood Warning	RLX	Kanawha, Roane	80 min
Jul 18, 3:43 PM EDT	Special Weather Statement	RLX	Gilmer, Lewis	62 min
Jul 18, 4:32 PM EDT	Special Weather Statement	RLX	Wood	58 min
Jul 18, 5:45 PM EDT	Special Weather Statement	RLX	Pleasants	45 min
Jul 18, 3:50 AM EDT	Flash Flood Warning	RLX	Athens	3 hr
Jul 18, 3:56 PM EDT	Special Weather Statement	RLX	Meigs	64 min
Jul 18, 5:57 PM EDT	Special Weather Statement	RLX	Athens	63 min
Jul 18, 7:57 PM EDT	Special Weather Statement	RLX	Perry	48 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2010 Severe Thunderstorm Warnings in Ohio, 2010 Every severe thunderstorm warning in 2010

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.