Alert archive / West Virginia / Special Weather Statements in 2017

Special Weather Statement, NWS Charleston, WV

May 19, 2017Logan County, Mingo County, West Virginia

NWS Charleston, WV issued this special weather statement at May 19, 2017, 8:33 AM EDT for Logan County, Mingo County, West Virginia. It was in force for 42 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: May 19, 2017, 8:33 AM EDT (12:33 UTC)
Expired: May 19, 2017, 9:15 AM EDT
In force: 42 min
Issued by: NWS Charleston, WV

Counties Logan County, WV, Mingo County, WV

The radar

The Charleston,WV radar (KRLX), 79 km from the middle of the area, began a volume at 12:34 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 12:00Z, 0.6 hours before the alert went out and 235 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: 786 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1020 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.4

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 May 19, 6:57 AM EDT, 1 hour 36 minutes earlier.

Area forecast discussion, May 19, 6:57 AM EDT, 1 hour 36 minutes before

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</head>
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      <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, May 19, 5:12 AM EDT, 3 hours 21 minutes before

Hazardous Weather Outlook
National Weather Service Charleston WV
512 AM EDT Fri May 19 2017

KYZ101>103-105-OHZ066-067-075-076-083>087-VAZ003-004-WVZ005>011-
013>020-024>034-039-040-515>526-200915-
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-
512 AM EDT Fri May 19 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.

Scattered showers and thunderstorms will develop today and an
isolated severe storm is possible. These storms will also produce
torrential downpours and localized flash flooding could occur in slow
moving storms.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

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, May 19, 7:53 AM EDT, 40 minutes before

Special Weather Statement
National Weather Service Charleston WV
753 AM EDT FRI MAY 19 2017

WVZ024-025-191230-
Logan-Mingo-
753 AM EDT FRI MAY 19 2017

...A STRONG THUNDERSTORM WILL AFFECT MINGO AND WESTERN LOGAN
COUNTIES...

At 752 AM EDT, a strong thunderstorm was located over Threeforks, or
10 miles west of Williamson, moving east at 35 mph.

Winds in excess of 30 mph and pea size hail are possible with this
storm.

Locations impacted include...
Williamson, Logan, Chapmanville, Delbarton, Mount Gay-Shamrock, Chief
Logan State, Holden, South Williamson, Red Jacket, Chattaroy, Hinch,
Matewan, Gilbert, West Logan, Mitchell Heights, Mount Gay, Chauncey,
Myrtle, Bruno and Sarah Ann.

This includes Route 119 between mile markers 1 and 37.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to travel across
flooded roads. Find alternate routes. It takes only a few inches of
swiftly flowing water to carry vehicles away.

LAT...LON 3762 8216 3762 8218 3765 8218 3765 8219
      3763 8219 3763 8221 3766 8224 3766 8226
      3768 8230 3770 8230 3774 8233 3776 8231
      3776 8233 3778 8232 3782 8238 3798 8200
      3762 8183 3760 8216
TIME...MOT...LOC 1152Z 251DEG 37KT 3770 8247

21

Special weather statement, May 19, 8:30 AM EDT, 3 minutes before

Special Weather Statement
National Weather Service Charleston WV
830 AM EDT FRI MAY 19 2017

VAZ003-004-WVZ033-191315-
Dickenson-Buchanan-McDowell-
830 AM EDT FRI MAY 19 2017

...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL DICKENSON...
BUCHANAN AND WESTERN MCDOWELL COUNTIES...

At 829 AM EDT, a strong thunderstorm was located over Breaks
Interstate, moving east at 40 mph.

Winds in excess of 30 mph and pea size hail are possible with this
storm.

Locations impacted include...
Grundy, Breaks Interstate, John Flannagan Lake, Big Rock, Paw Paw,
Bradshaw, Iaeger, Panther, Jolo, Stacy, Vansant, Hurley, Avondale and
Roseann.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to travel across
flooded roads. Find alternate routes. It takes only a few inches of
swiftly flowing water to carry vehicles away.

LAT...LON 3723 8242 3725 8243 3727 8235 3728 8234
      3728 8232 3745 8210 3751 8180 3750 8179
      3724 8173 3721 8176 3719 8179 3718 8183
TIME...MOT...LOC 1229Z 263DEG 38KT 3730 8231

21

Special weather statement, May 19, 8:33 AM EDT, 0 minutes before

Special Weather Statement
National Weather Service Charleston WV
833 AM EDT FRI MAY 19 2017

WVZ024>026-034-191315-
Wyoming-Boone-Logan-Mingo-
833 AM EDT FRI MAY 19 2017

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL MINGO...LOGAN...
NORTHWESTERN WYOMING AND SOUTH CENTRAL BOONE COUNTIES...

At 832 AM EDT, a strong thunderstorm was located near Delbarton, or 9
miles northeast of Williamson, moving east at 40 mph.

Winds in excess of 30 mph and pea size hail are possible with this
storm.

Locations impacted include...
Logan, Oceana, Man, Delbarton, Mount Gay-Shamrock, Bald Knob, Chief
Logan State, Holden, Mallory, Amherstdale-Robinette, Red Jacket,
Wharton, Hinch, R.d. Bailey Lake, Gilbert Creek, Matewan, Gilbert,
West Logan, Mitchell Heights and Mount Gay.

This includes Route 119 between mile markers 13 and 30.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to travel across
flooded roads. Find alternate routes. It takes only a few inches of
swiftly flowing water to carry vehicles away.

LAT...LON 3760 8216 3761 8217 3762 8216 3762 8218
      3763 8218 3763 8219 3764 8219 3763 8217
      3765 8217 3765 8219 3789 8219 3796 8160
      3760 8160
TIME...MOT...LOC 1232Z 263DEG 38KT 3774 8212

21

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 7:53 AM EDT	Special Weather Statement	RLX	Logan, Mingo	37 min
May 19, 10:32 AM EDT	Special Weather Statement	RLX	Logan, Mingo, Wyoming	118 min
May 19, 12:10 PM EDT	Flash Flood Warning	RLX	Logan, McDowell, Mingo, Wyoming	3 hr
May 19, 7:43 PM EDT	Special Weather Statement	RLX	Cabell, Mason	32 min
May 19, 1:16 PM EDT	Special Weather Statement	RLX	Jackson, Vinton	29 min
May 19, 1:19 PM EDT	Severe Thunderstorm Warning	RLX	Athens, Jackson, Meigs, Vinton	26 min
May 19, 5:55 PM EDT	Special Weather Statement	RLX	Perry	35 min
May 19, 6:19 PM EDT	Severe Thunderstorm Warning	RLX	Athens, Jackson, Meigs, Morgan, Perry, Vinton	56 min
May 19, 7:15 PM EDT	Special Weather Statement	RLX	Morgan, Washington	30 min
May 19, 8:30 AM EDT	Special Weather Statement	RLX	Buchanan	45 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.