Alert archive / West Virginia / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 91, NWS Charleston, WV
NWS Charleston, WV issued this severe thunderstorm warning at Jul 25, 2010, 12:19 PM EDT for 4 counties in West Virginia; Gallia County, Ohio. It was in force for 56 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 25, 2010, 12:19 PM EDT (16:19 UTC)
- Expired
- Jul 25, 2010, 1:15 PM EDT
- In force
- 56 min
- Issued by
- NWS Charleston, WV
- Area
- Storm-based polygon
Counties Gallia County, OH, Jackson County, WV, Kanawha County, WV, Mason County, WV, Putnam County, WV
The radar
The Charleston,WV radar (KRLX), 41 km from the middle of the area, began a volume at 16:19 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 |
|---|---|---|---|
| Jul 25, 11:29 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.3 hours before the alert went out and 186 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.
- Mixed-layer CAPE
- 1340 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 939 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.8
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 25, 11:51 AM EDT, 28 minutes earlier.
Area forecast discussion, Jul 25, 11:51 AM EDT, 28 minutes before
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Special weather statement, Jul 25, 12:06 PM EDT, 13 minutes before
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</html>The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 3:36 AM EDT | Flash Flood Watch | RLX | Barbour, Boone, Braxton, Cabell, Calhoun, Clay and 22 more | 19 hr |
| Jul 25, 12:06 PM EDT | Special Weather Statement | RLX | Barbour, Braxton, Calhoun, Doddridge, Gilmer, Harrison and 4 more | 54 min |
| Jul 25, 12:11 PM EDT | Special Weather Statement | RLX | Mason | 49 min |
| Jul 25, 12:30 PM EDT | Severe Thunderstorm Warning | RLX | Barbour, Harrison, Randolph, Taylor | 60 min |
| Jul 25, 1:30 PM EDT | Special Weather Statement | RLX | Randolph | 60 min |
| Jul 25, 1:36 PM EDT | Special Weather Statement | RLX | Roane | 54 min |
| Jul 25, 2:16 PM EDT | Special Weather Statement | RLX | Kanawha, Putnam | 59 min |
| Jul 25, 2:22 PM EDT | Special Weather Statement | RLX | Clay, Nicholas | 53 min |
| Jul 25, 2:55 PM EDT | Special Weather Statement | RLX | Kanawha, Putnam | 65 min |
| Jul 25, 2:57 PM EDT | Special Weather Statement | RLX | Nicholas | 63 min |
| Jul 25, 3:21 PM EDT | Severe Thunderstorm Warning | RLX | Clay, Fayette, Kanawha, Nicholas | 28 min |
| Jul 25, 4:03 PM EDT | Special Weather Statement | RLX | Boone, Kanawha | 27 min |
| Jul 25, 4:35 PM EDT | Special Weather Statement | RLX | Fayette, Logan, Mingo, Raleigh | 55 min |
| Jul 25, 4:53 PM EDT | Severe Thunderstorm Warning | RLX | Fayette, Raleigh | 37 min |
| Jul 25, 5:12 PM EDT | Special Weather Statement | RLX | Kanawha, Putnam | 33 min |
| Jul 25, 5:41 PM EDT | Special Weather Statement | RLX | Lincoln, Wayne | 49 min |
| Jul 25, 6:15 PM EDT | Flash Flood Warning | RLX | Boone, Lincoln, Wayne | 2 hr |
Nearby
Severe Thunderstorm Warnings in West Virginia, 2010Severe Thunderstorm Warnings in Ohio, 2010Every 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.