Alert archive / West Virginia / Severe Thunderstorm Watches in 2017
Severe Thunderstorm Watch 54
The Storm Prediction Center issued this severe thunderstorm watch at Mar 1, 2017, 6:48 AM EST for Boyd County, Carter County, Greenup County, Kentucky; 9 counties in Ohio; 25 counties in West Virginia. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 1, 2017, 6:48 AM EST (11:48 UTC)
- Expired
- Mar 1, 2017, 11:35 AM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 37 counties
Boyd County, KY, Carter County, KY, Greenup County, KY, Athens County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Morgan County, OH, Perry County, OH, Vinton County, OH, Washington County, OH, Barbour County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Mason County, WV, Nicholas County, WV, Pleasants County, WV, Pocahontas County, WV, Putnam County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Webster County, WV, Wirt County, WV, Wood County, WV
The radar
The Charleston,WV radar (KRLX), 73 km from the middle of the area, began a volume at 11:49 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
24 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 1, 7:36 AM EST | Flash Flood Warning | RLX | Calhoun, Doddridge, Gilmer, Jackson, Lewis, Ritchie and 2 more | 5 hr |
| Mar 1, 8:22 AM EST | Severe Thunderstorm Warning | RLX | Greenup | 23 min |
| Mar 1, 8:23 AM EST | Flash Flood Warning | RLX | Athens, Jackson, Morgan, Perry, Vinton | 3 hr |
| Mar 1, 8:34 AM EST | Flash Flood Warning | RLX | Perry | 3 hr |
| Mar 1, 8:35 AM EST | Severe Thunderstorm Warning | RLX | Boyd, Carter, Greenup, Lawrence | 25 min |
| Mar 1, 8:47 AM EST | Severe Thunderstorm Warning | RLX | Greenup | 28 min |
| Mar 1, 8:58 AM EST | Tornado Warning | RLX | Gallia, Meigs | 32 min |
| Mar 1, 9:01 AM EST | Severe Thunderstorm Warning | RLX | Boyd, Carter, Greenup, Lawrence | 44 min |
| Mar 1, 9:07 AM EST | Flash Flood Warning | RLX | Athens, Gallia, Jackson, Meigs, Morgan, Vinton | 5 hr |
| Mar 1, 9:09 AM EST | Flash Flood Warning | RLX | Washington | 5 hr |
| Mar 1, 9:12 AM EST | Flash Flood Warning | RLX | Greenup | 5 hr |
| Mar 1, 9:16 AM EST | Severe Thunderstorm Warning | RLX | Gallia, Lawrence, Meigs | 29 min |
| Mar 1, 9:26 AM EST | Severe Thunderstorm Warning | RLX | Boone, Cabell, Kanawha, Lincoln, Mingo, Putnam and 1 more | 49 min |
| Mar 1, 9:28 AM EST | Tornado Warning | RLX | Meigs | 32 min |
| Mar 1, 9:33 AM EST | Tornado Warning | RLX | Calhoun, Jackson, Mason, Putnam, Roane | 27 min |
| Mar 1, 9:41 AM EST | Severe Thunderstorm Warning | RLX | Clay, Jackson, Kanawha, Putnam, Roane | 34 min |
| Mar 1, 9:48 AM EST | Severe Thunderstorm Warning | RLX | Boone, Fayette, Kanawha, Lincoln, Logan, Mingo and 2 more | 27 min |
| Mar 1, 9:55 AM EST | Tornado Warning | RLX | Braxton, Calhoun, Gilmer, Jackson, Roane | 35 min |
| Mar 1, 10:01 AM EST | Severe Thunderstorm Warning | RLX | Calhoun, Doddridge, Gilmer, Pleasants, Ritchie, Tyler and 1 more | 29 min |
| Mar 1, 10:16 AM EST | Severe Thunderstorm Warning | RLX | Braxton, Calhoun, Clay, Fayette, Kanawha, Nicholas and 2 more | 29 min |
| Mar 1, 10:18 AM EST | Severe Thunderstorm Warning | RLX | Boone, Fayette, Kanawha, Logan, Mingo, Nicholas and 2 more | 27 min |
| Mar 1, 10:25 AM EST | Severe Thunderstorm Warning | RLX | Braxton, Gilmer, Lewis, Randolph, Upshur, Webster | 35 min |
| Mar 1, 10:44 AM EST | Severe Thunderstorm Warning | RLX | Fayette, Nicholas, Pocahontas, Raleigh, Randolph, Webster and 1 more | 31 min |
| Mar 1, 10:59 AM EST | Severe Thunderstorm Warning | RLX | Pocahontas, Randolph, Upshur | 31 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 11.8 hours before the alert went out and 184 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
- 126 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 490 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 416 m²/s²
- 0-3 km storm-relative helicity
- 441 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 8:46 PM EST | Mesoscale Discussion | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 15 more | 119 min |
| Feb 28, 9:29 PM EST | Tornado Watch | SPC | Anderson, Ballard, Bourbon, Breckinridge, Bullitt, Butler and 49 more | 12 hr |
| Feb 28, 11:03 PM EST | Mesoscale Discussion | SPC | Boone, Bracken, Campbell, Gallatin, Kenton, Pendleton | 117 min |
| Feb 28, 11:29 PM EST | Tornado Watch | SPC | Boone, Bracken, Campbell, Carroll, Gallatin, Grant and 6 more | 8 hr |
| Mar 1, 2:32 AM EST | Mesoscale Discussion | SPC | Adair, Anderson, Bath, Boone, Bourbon, Boyd and 69 more | 88 min |
| Mar 1, 3:09 AM EST | Mesoscale Discussion | SPC | Ballard, Caldwell, Calloway, Carlisle, Crittenden, Fulton and 6 more | 2 hr |
| Mar 1, 4:03 AM EST | Tornado Watch | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more | 5 hr |
| Mar 1, 5:19 AM EST | Mesoscale Discussion | SPC | Adair, Allen, Ballard, Barren, Boyle, Breckinridge and 53 more | 56 min |
| Mar 1, 5:57 AM EST | Tornado Watch | SPC | Adair, Allen, Anderson, Barren, Boone, Bourbon and 55 more | 5 hr |
| Mar 1, 6:28 AM EST | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Bell and 88 more | 2 hr |
| Mar 1, 7:47 AM EST | Severe Thunderstorm Watch | SPC | Bath, Bell, Breathitt, Clay, Elliott, Estill and 28 more | 5 hr |
| Mar 1, 8:28 AM EST | Mesoscale Discussion | SPC | Bell, Boyd, Breathitt, Carter, Clay, Clinton and 32 more | 92 min |
| Mar 1, 3:56 PM EST | Mesoscale Discussion | SPC | Boyd, Breathitt, Carter, Elliott, Floyd, Greenup and 8 more | 2 hr |
| Feb 28, 7:00 PM EST | Mesoscale Discussion | SPC | Defiance, Fulton, Hancock, Henry, Lucas, Paulding and 4 more | 90 min |
| Feb 28, 7:37 PM EST | Severe Thunderstorm Watch | SPC | Defiance, Fulton, Henry, Lucas, Ottawa, Paulding and 3 more | 8 hr |
| Feb 28, 9:41 PM EST | Mesoscale Discussion | SPC | Defiance, Fulton, Henry, Lucas, Paulding, Williams and 1 more | 94 min |
| Mar 1, 1:44 AM EST | Mesoscale Discussion | SPC | Allen, Auglaize, Darke, Defiance, Fulton, Hancock and 9 more | 61 min |
| Mar 1, 2:19 AM EST | Mesoscale Discussion | SPC | Ashland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 22 more | 86 min |
| Mar 1, 3:24 AM EST | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more | 4 hr |
| Mar 1, 9:44 AM EST | Mesoscale Discussion | SPC | Berkeley, Grant, Greenbrier, Hampshire, Hardy, Jefferson and 7 more | 91 min |
| Mar 1, 10:38 AM EST | Severe Thunderstorm Watch | SPC | Berkeley, Grant, Greenbrier, Hampshire, Hardy, Jefferson and 6 more | 4 hr |
| Mar 1, 12:25 PM EST | Mesoscale Discussion | SPC | Berkeley, Hampshire, Jefferson, Morgan | 65 min |
Nearby
Severe Thunderstorm Watches in West Virginia, 2017Severe Thunderstorm Watches in Ohio, 2017Severe Thunderstorm Watches in Kentucky, 2017Every severe thunderstorm watch in 2017
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.