Alert archive / Ohio / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 409, NWS Charleston, WV

September 20, 2026Mason County, West Virginia; 4 counties in Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Sep 20, 2026, 12:18 AM EDT for Mason County, West Virginia; 4 counties in Ohio. It was in force for 42 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: Sep 20, 2026, 12:18 AM EDT (04:18 UTC)
Expired: Sep 20, 2026, 1:00 AM EDT
In force: 42 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Athens County, OH, Meigs County, OH, Vinton County, OH, Washington County, OH, Mason County, WV

The radar

The Charleston,WV radar (KRLX), 100 km from the middle of the area, began a volume at 04:22 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 00:00Z, 4.3 hours before the alert went out and 156 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: 2396 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 994 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 189 m²/s²
0-3 km storm-relative helicity: 210 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 Sep 19, 8:04 PM EDT, 4 hours 14 minutes earlier.

Area forecast discussion, Sep 19, 8:04 PM EDT, 4 hours 14 minutes before

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In the hours before

Local storm report, Sep 19, 7:05 PM EDT, 5 hours 13 minutes before

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Special weather statement, Sep 19, 7:13 PM EDT, 5 hours 5 minutes before

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Local storm report, Sep 19, 7:35 PM EDT, 4 hours 43 minutes before

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Local storm report, Sep 19, 9:02 PM EDT, 3 hours 16 minutes before

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Special weather statement, Sep 19, 11:20 PM EDT, 58 minutes before

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Special weather statement, Sep 19, 11:42 PM EDT, 36 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
Sep 20, 1:06 AM EDT	Special Weather Statement	RLX	Wood	39 min
Sep 20, 1:38 AM EDT	Special Weather Statement	RLX	Jackson, Ritchie, Wirt, Wood	67 min
Sep 20, 1:42 AM EDT	Flash Flood Warning	RLX	Jackson, Mason, Wood	4 hr
Sep 20, 2:20 AM EDT	Special Weather Statement	RLX	Calhoun, Doddridge, Gilmer, Jackson, Ritchie, Roane	55 min
Sep 20, 3:10 AM EDT	Special Weather Statement	RLX	Braxton, Calhoun, Gilmer, Harrison, Lewis, Roane and 2 more	65 min
Sep 20, 3:23 AM EDT	Special Weather Statement	RLX	Jackson, Mason, Ritchie, Wirt, Wood	67 min
Sep 20, 3:44 AM EDT	Flash Flood Warning	RLX	Calhoun, Doddridge, Gilmer, Jackson, Ritchie, Roane and 2 more	5 hr
Sep 20, 4:19 AM EDT	Special Weather Statement	RLX	Cabell, Putnam, Roane	41 min
Sep 20, 4:38 AM EDT	Flash Flood Warning	RLX	Jackson, Mason	4 hr
Sep 20, 4:40 AM EDT	Flash Flood Warning	RLX	Braxton, Calhoun, Clay, Gilmer, Lewis, Nicholas and 2 more	5 hr
Sep 20, 5:30 AM EDT	Flash Flood Warning	RLX	Cabell, Jackson, Kanawha, Mason, Putnam, Roane and 1 more	4 hr
Sep 20, 5:43 AM EDT	Flash Flood Warning	RLX	Clay, Nicholas, Pocahontas, Randolph, Webster	4 hr
Sep 20, 6:06 AM EDT	Areal Flood Warning	RLX	Jackson, Mason, Wood	17 hr
Sep 20, 7:20 AM EDT	Flash Flood Warning	RLX	Boone, Cabell, Clay, Kanawha, Lincoln, Putnam and 1 more	3 hr
Sep 20, 8:23 AM EDT	Areal Flood Warning	RLX	Jackson, Mason, Putnam	11 hr
Sep 20, 8:33 AM EDT	Areal Flood Warning	RLX	Calhoun, Doddridge, Gilmer, Jackson, Ritchie, Roane and 2 more	5 hr
Sep 20, 9:05 AM EDT	Areal Flood Warning	RLX	Cabell, Jackson, Kanawha, Mason, Putnam, Roane and 1 more	5 hr
Sep 20, 9:19 AM EDT	Areal Flood Warning	RLX	Braxton, Calhoun, Clay, Gilmer, Lewis, Nicholas and 3 more	5 hr
Sep 20, 9:23 AM EDT	Areal Flood Warning	RLX	Clay, Fayette, Nicholas, Pocahontas, Randolph, Webster	5 hr
Sep 20, 9:54 AM EDT	Areal Flood Warning	RLX	Boone, Cabell, Clay, Kanawha, Lincoln, Nicholas and 2 more	3 hr
Sep 20, 2:11 PM EDT	Flood Watch	RLX	Barbour, Boone, Braxton, Cabell, Calhoun, Clay and 28 more	3 days
Sep 19, 11:20 PM EDT	Special Weather Statement	RLX	Athens	55 min
Sep 19, 11:42 PM EDT	Special Weather Statement	RLX	Vinton	48 min
Sep 19, 11:48 PM EDT	Severe Thunderstorm Warning	RLX	Athens, Meigs, Vinton	42 min
Sep 20, 12:25 AM EDT	Flash Flood Warning	RLX	Athens, Vinton	5 hr
Sep 20, 12:33 AM EDT	Special Weather Statement	RLX	Vinton	27 min
Sep 20, 12:55 AM EDT	Special Weather Statement	RLX	Meigs	50 min
Sep 20, 12:56 AM EDT	Special Weather Statement	RLX	Vinton	49 min
Sep 20, 1:16 AM EDT	Flash Flood Warning	RLX	Athens, Meigs, Vinton	4 hr
Sep 20, 2:00 AM EDT	Severe Thunderstorm Warning	RLX	Athens, Gallia, Jackson, Meigs, Vinton	60 min
Sep 20, 2:10 AM EDT	Flash Flood Warning	RLX	Jackson, Vinton	3 hr
Sep 20, 2:54 AM EDT	Special Weather Statement	RLX	Athens, Gallia, Jackson, Meigs	66 min
Sep 20, 4:10 AM EDT	Special Weather Statement	RLX	Gallia, Jackson, Lawrence	65 min
Sep 20, 4:56 AM EDT	Areal Flood Warning	RLX	Athens, Meigs, Vinton	18 hr
Sep 20, 4:58 AM EDT	Areal Flood Warning	RLX	Jackson, Meigs, Vinton	18 hr
Sep 20, 4:59 AM EDT	Areal Flood Warning	RLX	Athens, Vinton	6 hr
Sep 20, 12:24 PM EDT	Special Weather Statement	RLX	Perry	36 min
Sep 20, 1:07 PM EDT	Special Weather Statement	RLX	Morgan	23 min
Sep 20, 1:28 PM EDT	Special Weather Statement	RLX	Washington	32 min
Sep 20, 5:09 PM EDT	Special Weather Statement	RLX	Greenup	36 min
Sep 20, 5:42 PM EDT	Special Weather Statement	RLX	Greenup	33 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2026 Severe Thunderstorm Warnings in West Virginia, 2026 Every severe thunderstorm warning in 2026

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.