Alert archive / West Virginia / Special Weather Statements in 2018
Special Weather Statement, NWS Charleston, WV
NWS Charleston, WV issued this special weather statement at Jul 31, 2018, 9:36 PM EDT for McDowell County, West Virginia. It was in force for 69 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 31, 2018, 9:36 PM EDT (01:36 UTC)
- Expired
- Jul 31, 2018, 10:45 PM EDT
- In force
- 69 min
- Issued by
- NWS Charleston, WV
County McDowell County, WV
The radar
The Charleston,WV radar (KRLX), 93 km from the middle of the area, began a volume at 01:37 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, 1.6 hours before the alert went out and 275 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
- 632 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.2
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jul 31, 7:32 PM EDT, 2 hours 4 minutes earlier.
Area forecast discussion, Jul 31, 7:32 PM EDT, 2 hours 4 minutes before
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</html>Hazardous weather outlook, Jul 31, 3:14 AM EDT, 18 hours 22 minutes before
Hazardous Weather Outlook National Weather Service Charleston WV 314 AM EDT Tue Jul 31 2018 KYZ101>103-105-OHZ066-067-075-076-083>087-VAZ003-004-WVZ005>011- 013>020-024>034-039-040-515>526-010715- Greenup-Carter-Boyd-Lawrence KY-Perry-Morgan-Athens-Washington- Jackson OH-Vinton-Meigs-Gallia-Lawrence OH-Dickenson-Buchanan-Wayne- Cabell-Mason-Jackson WV-Wood-Pleasants-Tyler-Lincoln-Putnam-Kanawha- Roane-Wirt-Calhoun-Ritchie-Doddridge-Mingo-Logan-Boone-Clay-Braxton- Gilmer-Lewis-Harrison-Taylor-McDowell-Wyoming-Upshur-Barbour- Northwest Raleigh-Southeast Raleigh-Northwest Fayette- Southeast Fayette-Northwest Nicholas-Southeast Nicholas- Northwest Webster-Southeast Webster-Northwest Pocahontas- Southeast Pocahontas-Northwest Randolph-Southeast Randolph- 314 AM EDT Tue Jul 31 2018 This Hazardous Weather Outlook is for northeast Kentucky, southeast Ohio, southwest Virginia and much of West Virginia. .DAY ONE...Today and Tonight. Heavy downpours are expected in convection today and tonight. Localized flash flooding issues are possible. In addition, there is a marginal risk of severe thunderstorms today. Damaging winds are the primary threat. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Showers and thunderstorms, some with heavy downpours, are expected for much of the week. Localized flash flooding issues are possible. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions by calling the toll-free spotter hotline, or by other methods detailed at www.weather.gov/rlx/reports.
In the hours before
Local storm report, Jul 31, 5:32 PM EDT, 4 hours 4 minutes before
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</html>Special weather statement, Jul 31, 5:36 PM EDT, 4 hours before
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</html>Local storm report, Jul 31, 5:44 PM EDT, 3 hours 52 minutes before
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</html>Local storm report, Jul 31, 6:18 PM EDT, 3 hours 18 minutes before
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</html>Local storm report, Jul 31, 6:26 PM EDT, 3 hours 10 minutes before
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</html>Local storm report, Jul 31, 6:28 PM EDT, 3 hours 8 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 |
|---|---|---|---|---|
| Aug 1, 3:40 AM EDT | Flash Flood Watch | RLX | Barbour, Boone, Braxton, Calhoun, Clay, Doddridge and 22 more | 62 hr |
Nearby
Special Weather Statements in West Virginia, 2018Every special weather statement in 2018
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.