Alert archive / West Virginia / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 221, NWS Charleston, WV

October 31, 20199 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Oct 31, 2019, 1:10 PM EDT for 9 counties in West Virginia. It was in force for 50 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 31, 2019, 1:10 PM EDT (17:10 UTC)
Expired: Oct 31, 2019, 2:00 PM EDT
In force: 50 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Boone County, WV, Cabell County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Putnam County, WV, Raleigh County, WV, Roane County, WV

The radar

The Charleston,WV radar (KRLX), 3 km from the middle of the area, began a volume at 17:09 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 31, 12:45 PM EDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 5.2 hours before the alert went out and 231 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: 50 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 621 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 270 m²/s²
0-3 km storm-relative helicity: 270 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 Oct 31, 10:54 AM EDT, 2 hours 16 minutes earlier.

Area forecast discussion, Oct 31, 10:54 AM EDT, 2 hours 16 minutes before

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Hazardous weather outlook, Oct 31, 12:51 PM EDT, 19 minutes before

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In the hours before

Special weather statement, Oct 31, 11:50 AM EDT, 1 hour 20 minutes before

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Special weather statement, Oct 31, 12:22 PM EDT, 48 minutes before

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Special weather statement, Oct 31, 12:25 PM EDT, 45 minutes before

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Special weather statement, Oct 31, 12:32 PM EDT, 38 minutes before

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Special weather statement, Oct 31, 12:39 PM EDT, 31 minutes before

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Special weather statement, Oct 31, 12:47 PM EDT, 23 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 31, 4:38 AM EDT	Freeze Warning	RLX	Barbour, Boone, Braxton, Cabell, Calhoun, Clay and 22 more	29 hr
Oct 31, 4:38 AM EDT	Wind Advisory	RLX	Barbour, Boone, Braxton, Cabell, Calhoun, Clay and 28 more	29 hr
Oct 31, 11:50 AM EDT	Special Weather Statement	RLX	Wayne	40 min
Oct 31, 12:22 PM EDT	Special Weather Statement	RLX	Pleasants, Tyler, Wood	113 min
Oct 31, 12:25 PM EDT	Special Weather Statement	RLX	Cabell, Lincoln, Logan, Mingo, Putnam, Wayne	35 min
Oct 31, 12:32 PM EDT	Special Weather Statement	RLX	Calhoun, Doddridge, Gilmer, Harrison, Jackson, Lewis and 4 more	118 min
Oct 31, 12:57 PM EDT	Severe Thunderstorm Warning	RLX	Logan, Mingo	48 min
Oct 31, 12:57 PM EDT	Severe Thunderstorm Warning	RLX	McDowell	48 min
Oct 31, 1:24 PM EDT	Severe Thunderstorm Warning	RLX	Boone, Logan, McDowell, Mingo, Raleigh, Wyoming	36 min
Oct 31, 1:51 PM EDT	Severe Thunderstorm Warning	RLX	Braxton, Calhoun, Clay, Fayette, Gilmer, Kanawha and 5 more	54 min
Oct 31, 2:43 PM EDT	Severe Thunderstorm Warning	RLX	Barbour, Braxton, Doddridge, Gilmer, Harrison, Lewis and 6 more	62 min
Oct 31, 3:41 PM EDT	Severe Thunderstorm Warning	RLX	Pocahontas, Randolph	49 min
Oct 31, 4:02 PM EDT	Severe Thunderstorm Warning	RLX	Pocahontas, Randolph	43 min
Oct 31, 10:35 AM EDT	Special Weather Statement	RLX	Morgan	25 min
Oct 31, 12:47 PM EDT	Special Weather Statement	RLX	Perry	58 min
Oct 31, 10:25 AM EDT	Special Weather Statement	RLX	Carter, Greenup	35 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2019 Every severe thunderstorm warning in 2019

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.