Alert archive / West Virginia / Winter Weather Advisories in 2017
Winter Weather Advisory 9, NWS Charleston, WV
NWS Charleston, WV issued this winter weather advisory at Apr 6, 2017, 3:25 AM EDT for 4 counties in West Virginia. It took effect at Apr 6, 2017, 8:00 PM EDT. It was in force for 20 hr.
The area
The counties it named.
The facts
- Issued
- Apr 6, 2017, 3:25 AM EDT (07:25 UTC)
- In effect from
- Apr 6, 2017, 8:00 PM EDT
- Expired
- Apr 7, 2017, 4:00 PM EDT
- In force
- 20 hr
- Issued by
- NWS Charleston, WV
Counties Nicholas County, WV, Pocahontas County, WV, Randolph County, WV, Webster County, WV
The radar
The Charleston,WV radar (KRLX), 127 km from the middle of the area, began a volume at 07:29 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
Roanoke, VA (KRNK), launched 00:00Z, 7.4 hours before the alert went out and 157 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1255 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 311 m²/s²
- 0-3 km storm-relative helicity
- 305 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather advisory 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 winter weather advisory went out at Apr 6, 1:32 AM EDT, 1 hour 53 minutes earlier.
Area forecast discussion, Apr 6, 1:32 AM EDT, 1 hour 53 minutes before
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</html>Hazardous weather outlook, Apr 5, 4:32 AM EDT, 22 hours 53 minutes before
Hazardous Weather Outlook National Weather Service Charleston WV 432 AM EDT Wed Apr 5 2017 KYZ101>103-105-OHZ066-067-075-076-083>087-VAZ003-004-WVZ005>011- 013>020-024>034-039-040-515>519-521-524-525-060845- 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-Northwest Webster- Southeast Pocahontas-Northwest Randolph- 432 AM EDT Wed Apr 5 2017 This Hazardous Weather Outlook is for northeast Kentucky, southeast Ohio, southwest Virginia, and portions of central West Virginia, northeast West Virginia, northern West Virginia, southeast West Virginia, southern West Virginia and western West Virginia. .DAY ONE...Today and Tonight. A strong low pressure system and cold front will bring showers and strong to possibly severe thunderstorms late today and tonight, which also may cause localized flooding issues. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Rain showers will change over to snow showers for Thursday night and early Friday, but with little to no accumulation expected. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. WVZ520-522-523-526-060845- Southeast Nicholas-Southeast Webster-Northwest Pocahontas- Southeast Randolph- 432 AM EDT Wed Apr 5 2017 This Hazardous Weather Outlook is for portions of northeast West Virginia and southeast West Virginia. .DAY ONE...Today and Tonight. A strong low pressure system and cold front will bring showers and strong to possibly severe thunderstorms tonight, which also may cause localized flooding issues. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Rain showers will change to snow showers later on Thursday, and continue into Friday. Winter weather advisories may be needed. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Local storm report, Apr 5, 10:17 PM EDT, 5 hours 8 minutes before
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</html>Special weather statement, Apr 5, 10:33 PM EDT, 4 hours 52 minutes before
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</html>Special weather statement, Apr 5, 10:35 PM EDT, 4 hours 50 minutes before
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</html>Special weather statement, Apr 5, 10:37 PM EDT, 4 hours 48 minutes before
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</html>Local storm report, Apr 5, 10:50 PM EDT, 4 hours 35 minutes before
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</html>Special weather statement, Apr 5, 11:12 PM EDT, 4 hours 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 |
|---|---|---|---|---|
| Apr 5, 9:24 PM EDT | Special Weather Statement | RLX | Cabell, Jackson, Mason, Pleasants, Putnam, Tyler and 3 more | 66 min |
| Apr 5, 10:33 PM EDT | Special Weather Statement | RLX | Calhoun, Doddridge, Gilmer, Jackson, Pleasants, Ritchie and 3 more | 57 min |
| Apr 5, 10:35 PM EDT | Special Weather Statement | RLX | Cabell, Clay, Kanawha, Putnam, Roane | 55 min |
| Apr 5, 10:37 PM EDT | Special Weather Statement | RLX | McDowell | 38 min |
| Apr 5, 11:12 PM EDT | Special Weather Statement | RLX | McDowell | 63 min |
| Apr 5, 8:21 PM EDT | Special Weather Statement | RLX | Jackson, Lawrence, Perry, Vinton | 54 min |
| Apr 5, 9:43 PM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 32 min |
| Apr 5, 9:07 PM EDT | Severe Thunderstorm Warning | RLX | Carter, Greenup, Lawrence | 53 min |
| Apr 6, 5:57 AM EDT | Wind Advisory | RLX | Boyd, Carter, Greenup, Lawrence | 16 hr |
Nearby
Winter Weather Advisories in West Virginia, 2017Every winter weather advisory 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.