Alert archive / West Virginia / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 133, NWS Charleston, WV

October 26, 20104 counties in West Virginia; Lawrence County, Kentucky

NWS Charleston, WV issued this severe thunderstorm warning at Oct 26, 2010, 5:03 PM EDT for 4 counties in West Virginia; Lawrence County, Kentucky. It was in force for 27 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: Oct 26, 2010, 5:03 PM EDT (21:03 UTC)
Expired: Oct 26, 2010, 5:30 PM EDT
In force: 27 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon

Counties Lawrence County, KY, Lincoln County, WV, Logan County, WV, Mingo County, WV, Wayne County, WV

The radar

The Charleston,WV radar (KRLX), 59 km from the middle of the area, began a volume at 21:02 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
Oct 26, 1:36 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.1 hours before the alert went out and 209 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: 97 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 644 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 375 m²/s²
0-3 km storm-relative helicity: 346 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

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 Oct 26, 3:15 PM EDT, 1 hour 48 minutes earlier.

Area forecast discussion, Oct 26, 3:15 PM EDT, 1 hour 48 minutes before

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Hazardous weather outlook, Oct 26, 3:55 PM EDT, 1 hour 8 minutes before

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In the hours before

Local storm report, Oct 26, 4:24 PM EDT, 39 minutes before

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Local storm report, Oct 26, 4:39 PM EDT, 24 minutes before

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Local storm report, Oct 26, 4:55 PM EDT, 8 minutes before

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Local storm report, Oct 26, 4:56 PM EDT, 7 minutes before

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Local storm report, Oct 26, 4:59 PM EDT, 4 minutes before

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Local storm report, Oct 26, 5:00 PM EDT, 3 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
Oct 26, 3:42 AM EDT	Wind Advisory	RLX	Cabell, Logan, McDowell, Mason, Mingo, Pleasants and 4 more	16 hr
Oct 26, 3:35 PM EDT	Severe Thunderstorm Warning	RLX	Mason	25 min
Oct 26, 3:47 PM EDT	Severe Thunderstorm Warning	RLX	Cabell, Lincoln, Mason, Putnam, Wayne	43 min
Oct 26, 4:02 PM EDT	Severe Thunderstorm Warning	RLX	Jackson, Mason, Roane, Wirt, Wood	43 min
Oct 26, 4:30 PM EDT	Severe Thunderstorm Warning	RLX	Jackson, Kanawha, Mason, Putnam, Roane	30 min
Oct 26, 5:28 PM EDT	Severe Thunderstorm Warning	RLX	Boone, Lincoln, Logan, Mingo, Wayne	32 min
Oct 26, 5:58 PM EDT	Severe Thunderstorm Warning	RLX	Boone, Calhoun, Clay, Fayette, Kanawha, Lincoln and 2 more	47 min
Oct 26, 6:54 PM EDT	Special Weather Statement	RLX	Braxton, Upshur	36 min
Oct 26, 7:48 PM EDT	Special Weather Statement	RLX	Randolph	27 min
Oct 26, 2:13 PM EDT	Severe Thunderstorm Warning	RLX	Morgan, Perry	62 min
Oct 26, 2:26 PM EDT	Severe Thunderstorm Warning	RLX	Athens, Jackson, Vinton	49 min
Oct 26, 2:54 PM EDT	Severe Thunderstorm Warning	RLX	Lawrence	36 min
Oct 26, 3:12 PM EDT	Severe Thunderstorm Warning	RLX	Athens, Gallia, Jackson, Meigs, Morgan, Perry and 2 more	48 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2010 Severe Thunderstorm Warnings in Kentucky, 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.