Alert archive / West Virginia / Special Weather Statements in 2017

Special Weather Statement, NWS Charleston, WV

April 5, 2017McDowell County, West Virginia; Buchanan County, Virginia

NWS Charleston, WV issued this special weather statement at Apr 5, 2017, 11:12 PM EDT for McDowell County, West Virginia; Buchanan County, Virginia. It was in force for 63 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: Apr 5, 2017, 11:12 PM EDT (03:12 UTC)
Expired: Apr 6, 2017, 12:15 AM EDT
In force: 63 min
Issued by: NWS Charleston, WV

Counties Buchanan County, VA, McDowell County, WV

The radar

The Charleston,WV radar (KRLX), 112 km from the middle of the area, began a volume at 03:14 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, 3.2 hours before the alert went out and 188 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: 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

Open this sounding in Storm Lab

The text

As transmitted.

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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 Apr 5, 10:25 PM EDT, 47 minutes earlier.

Area forecast discussion, Apr 5, 10:25 PM EDT, 47 minutes before

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Hazardous weather outlook, Apr 5, 4:32 AM EDT, 18 hours 40 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, 55 minutes before

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Special weather statement, Apr 5, 10:33 PM EDT, 39 minutes before

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Special weather statement, Apr 5, 10:35 PM EDT, 37 minutes before

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Special weather statement, Apr 5, 10:37 PM EDT, 35 minutes before

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Local storm report, Apr 5, 10:50 PM EDT, 22 minutes before

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Special weather statement, Apr 5, 11:12 PM EDT, 0 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
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 6, 3:25 AM EDT	Winter Weather Advisory	RLX	Nicholas, Pocahontas, Randolph, Webster	37 hr
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

Special Weather Statements in West Virginia, 2017 Special Weather Statements in Virginia, 2017 Every special weather statement 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.