Alert archive / West Virginia / Special Weather Statements in 2018

Special Weather Statement, NWS Charleston, WV

June 20, 2018Pleasants County, Tyler County, Wood County, West Virginia

NWS Charleston, WV issued this special weather statement at Jun 20, 2018, 2:28 PM EDT for Pleasants County, Tyler County, Wood County, West Virginia. It was in force for 32 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: Jun 20, 2018, 2:28 PM EDT (18:28 UTC)
Expired: Jun 20, 2018, 3:00 PM EDT
In force: 32 min
Issued by: NWS Charleston, WV

Counties Pleasants County, WV, Tyler County, WV, Wood County, WV

The radar

The Pittsburgh radar (KPBZ), 129 km from the middle of the area, began a volume at 18:29 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

Pittsburgh, PA (KAGC), launched 12:00Z, 6.5 hours before the alert went out and 123 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: 73 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 881 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 128 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 Jun 20, 2:00 PM EDT, 28 minutes earlier.

Area forecast discussion, Jun 20, 2:00 PM EDT, 28 minutes before

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Hazardous weather outlook, Jun 20, 3:27 AM EDT, 11 hours 1 minute before

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In the hours before

Special weather statement, Jun 20, 2:28 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Charleston WV
228 PM EDT WED JUN 20 2018

OHZ076-WVZ009>011-019-020-201900-
Washington-Doddridge-Ritchie-Wood-Pleasants-Tyler-
228 PM EDT WED JUN 20 2018

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT EAST CENTRAL
WASHINGTON...PLEASANTS...NORTHERN RITCHIE...NORTHWESTERN DODDRIDGE...
TYLER AND NORTHEASTERN WOOD COUNTIES...

At 226 PM EDT, strong thunderstorms were clustered near Sistersville,
or 8 miles northeast of St. Marys, moving east at 15 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Parkersburg, Marietta, St. Marys, Middlebourne, Vienna, Williamstown,
Paden City, Sistersville, Pennsboro, Belmont, Boaz, Mineralwells,
Newport, Matamoras, North Hills, Ellenboro, Friendly, Fly, Alma and
Maxwell.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 Interstate 77 in West Virginia between mile markers 170 and 186.
 Interstate 77 in Ohio between mile markers 1 and 3.
 Route 50 in West Virginia between mile markers 7 and 41.

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

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

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 3958 8089 3960 8085 3956 8082 3956 8081
      3955 8079 3954 8078 3951 8074 3947 8071
      3948 8067 3932 8068 3918 8156 3941 8156
      3958 8112 3957 8104 3954 8104 3961 8095
TIME...MOT...LOC 1826Z 271DEG 12KT 3948 8108

21

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 8:50 PM EDT	Areal Flood Warning	RLX	Barbour	6 hr
Jun 20, 2:52 PM EDT	Special Weather Statement	RLX	Doddridge, Harrison	38 min
Jun 20, 3:12 PM EDT	Special Weather Statement	RLX	Wayne	33 min
Jun 20, 5:54 PM EDT	Special Weather Statement	RLX	Pleasants, Wood	36 min
Jun 20, 7:01 PM EDT	Special Weather Statement	RLX	Calhoun, Gilmer	29 min
Jun 20, 5:25 PM EDT	Special Weather Statement	RLX	Meigs	35 min
Jun 20, 6:42 PM EDT	Special Weather Statement	RLX	Morgan	33 min
Jun 20, 7:53 PM EDT	Special Weather Statement	RLX	Washington	52 min
Jun 20, 5:12 PM EDT	Special Weather Statement	RLX	Greenup	33 min

Nearby

Special Weather Statements in West Virginia, 2018 Every 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.