Alert archive / West Virginia / Special Weather Statements in 2017

Special Weather Statement, NWS Charleston, WV

April 20, 2017Calhoun County, Gilmer County, West Virginia

NWS Charleston, WV issued this special weather statement at Apr 20, 2017, 2:14 PM EDT for Calhoun County, Gilmer County, West Virginia. It was in force for 31 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 20, 2017, 2:14 PM EDT (18:14 UTC)
Expired: Apr 20, 2017, 2:45 PM EDT
In force: 31 min
Issued by: NWS Charleston, WV

Counties Calhoun County, WV, Gilmer County, WV

The radar

The Charleston,WV radar (KRLX), 98 km from the middle of the area, began a volume at 18:16 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

Pittsburgh, PA (KAGC), launched 12:00Z, 6.2 hours before the alert went out and 178 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: 59 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 791 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 186 m²/s²
0-3 km storm-relative helicity: 182 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 20, 9:59 AM EDT, 4 hours 15 minutes earlier.

Area forecast discussion, Apr 20, 9:59 AM EDT, 4 hours 15 minutes before

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</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Apr 20, 8:37 AM EDT, 5 hours 37 minutes before

Hazardous Weather Outlook
National Weather Service Charleston WV
837 AM EDT Thu Apr 20 2017

KYZ101>103-105-OHZ087-VAZ003-004-WVZ005-006-013>015-024>027-033-034-
515>520-211245-
Greenup-Carter-Boyd-Lawrence KY-Lawrence OH-Dickenson-Buchanan-Wayne-
Cabell-Lincoln-Putnam-Kanawha-Mingo-Logan-Boone-Clay-McDowell-
Wyoming-Northwest Raleigh-Southeast Raleigh-Northwest Fayette-
Southeast Fayette-Northwest Nicholas-Southeast Nicholas-
837 AM EDT Thu Apr 20 2017

This Hazardous Weather Outlook is for northeast Kentucky, portions
of southeast Ohio, southwest Virginia and much of West Virginia.

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

There is the possibility for prolong periods of rain and flooding
through this weekend. A flood watch may be needed.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

OHZ066-067-075-076-083>086-211245-
Perry-Morgan-Athens-Washington-Jackson OH-Vinton-Meigs-Gallia-
837 AM EDT Thu Apr 20 2017

This Hazardous Weather Outlook is for portions of southeast Ohio.

.DAY ONE...Today and Tonight.

There is a marginal threat for severe thunderstorms across portions
of southeast OH through tonight. The main threat will be damaging
winds and large hail.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

WVZ007>011-016>020-028>032-039-040-521>526-211245-
Mason-Jackson WV-Wood-Pleasants-Tyler-Roane-Wirt-Calhoun-Ritchie-
Doddridge-Braxton-Gilmer-Lewis-Harrison-Taylor-Upshur-Barbour-
Northwest Webster-Southeast Webster-Northwest Pocahontas-
Southeast Pocahontas-Northwest Randolph-Southeast Randolph-
837 AM EDT Thu Apr 20 2017

This Hazardous Weather Outlook is for much of West Virginia.

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Apr 20, 2:12 PM EDT, 2 minutes before

Special Weather Statement
National Weather Service Charleston WV
212 PM EDT THU APR 20 2017

WVZ515-516-518-520-201845-
Southeast Nicholas-Northwest Raleigh-Southeast Raleigh-Southeast
Fayette-
212 PM EDT THU APR 20 2017

...A STRONG THUNDERSTORM WILL AFFECT SOUTH CENTRAL NICHOLAS...
NORTHEASTERN RALEIGH AND SOUTHEASTERN FAYETTE COUNTIES...

At 211 PM EDT, a strong thunderstorm was located over Stanaford, or
near Beckley, moving northeast at 40 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Beckley, Rainelle, Bradley, Shady Spring, Prosperity, Beaver,
Daniels, Piney View, Stanaford, Macarthur and Meadow Bridge.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 West Virginia Turnpike between mile markers 34 and 36, and between
mile markers 46 and 48.
 Interstate 64 in West Virginia between mile markers 122 and 137.

LAT...LON 3785 8124 3816 8065 3813 8063 3809 8069
      3808 8072 3809 8078 3804 8083 3803 8082
      3802 8080 3800 8079 3798 8077 3795 8081
      3787 8075 3787 8081 3782 8094 3781 8092
      3777 8090 3768 8113
TIME...MOT...LOC 1811Z 239DEG 37KT 3780 8112

21

Special weather statement, Apr 20, 2:14 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Charleston WV
214 PM EDT THU APR 20 2017

WVZ016-018>020-028-029-201845-
Calhoun-Doddridge-Roane-Ritchie-Gilmer-Braxton-
214 PM EDT THU APR 20 2017

...A STRONG THUNDERSTORM WILL AFFECT CALHOUN...SOUTHEASTERN
RITCHIE...SOUTH CENTRAL DODDRIDGE...GILMER...NORTH CENTRAL BRAXTON
AND NORTHEASTERN ROANE COUNTIES...

At 214 PM EDT, a strong thunderstorm was located near Arnoldsburg, or
7 miles east of Spencer, moving northeast at 45 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Glenville, Grantsville, Arnoldsburg, Cedar Creek State Park,
Burnsville, Sand Fork, Auburn, Shock, Millstone, Baldwin, Stouts
Mills, Mount Zion, Troy, Newberne, Orma, Coxs Mills, Linn, Big
Springs, Stumptown and Tanner.

This includes Interstate 79 between mile markers 79 and 82.

LAT...LON 3903 8072 3901 8072 3898 8068 3887 8061
      3866 8121 3889 8137 3891 8128 3894 8127
      3917 8081
TIME...MOT...LOC 1814Z 239DEG 37KT 3884 8121

21

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 20, 2:12 PM EDT	Special Weather Statement	RLX	Fayette	33 min
Apr 20, 2:16 PM EDT	Special Weather Statement	RLX	Braxton, Clay	44 min
Apr 20, 2:41 PM EDT	Special Weather Statement	RLX	Nicholas, Webster	49 min
Apr 20, 2:49 PM EDT	Special Weather Statement	RLX	Gilmer, Lewis	26 min
Apr 20, 2:58 PM EDT	Special Weather Statement	RLX	Braxton	32 min
Apr 20, 3:18 PM EDT	Special Weather Statement	RLX	Upshur	27 min
Apr 20, 3:20 PM EDT	Special Weather Statement	RLX	Doddridge, Harrison	55 min
Apr 20, 3:36 PM EDT	Special Weather Statement	RLX	Barbour	54 min
Apr 20, 4:04 PM EDT	Special Weather Statement	RLX	Taylor	41 min

Nearby

Special Weather Statements in West 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.