Alert archive / West Virginia / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 118, NWS Charleston, WV

August 1, 20204 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Aug 1, 2020, 7:55 PM EDT for 4 counties in West Virginia. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 1, 2020, 7:55 PM EDT (23:55 UTC)
Expired
Aug 1, 2020, 8:45 PM EDT
In force
50 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Doddridge County, WV, Gilmer County, WV, Lewis County, WV, Ritchie County, WV

The radar

The Charleston,WV radar (KRLX), 119 km from the middle of the area, began a volume at 23:57 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 1, 3:57 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.9 hours before the alert went out and 158 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-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2020-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2020-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
23 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
1110 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 1, 7:53 PM EDT, 2 minutes earlier.

Area forecast discussion, Aug 1, 7:53 PM EDT, 2 minutes before
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Hazardous weather outlook, Aug 1, 4:04 PM EDT, 3 hours 51 minutes before
Hazardous Weather Outlook
National Weather Service Charleston WV
404 PM EDT Sat Aug 1 2020

KYZ101>103-105-OHZ066-067-075-076-083>087-WVZ005>011-013>020-024>032-
039-040-517>526-022015-
Greenup-Carter-Boyd-Lawrence KY-Perry-Morgan-Athens-Washington-
Jackson OH-Vinton-Meigs-Gallia-Lawrence OH-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-Upshur-Barbour-Northwest Fayette-
Southeast Fayette-Northwest Nicholas-Southeast Nicholas-
Northwest Webster-Southeast Webster-Northwest Pocahontas-
Southeast Pocahontas-Northwest Randolph-Southeast Randolph-
404 PM EDT Sat Aug 1 2020

...SEVERE THUNDERSTORM WATCH 409 IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

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

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

A Slight Risk of severe weather exists this afternoon and evening,
which means scattered severe storms are possible. Damaging winds,
some large hail, and an isolated tornado will all be possible in the
afternoon and evening. A few high water impacts may also occur with
the heavier storms. As a result, there is a Marginal to Slight risk
for excessive rainfall with the highest threat across southeast Ohio
and northern West Virginia.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Additional rounds of showers and thunderstorms are expected on Sunday
with the potential for heavy downpours and strong damaging winds.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions by calling the toll-free spotter hotline, or by other
methods detailed at www.weather.gov/rlx/reports.

VAZ003-004-WVZ033-034-515-516-022015-
Dickenson-Buchanan-McDowell-Wyoming-Northwest Raleigh-
Southeast Raleigh-
404 PM EDT Sat Aug 1 2020

This Hazardous Weather Outlook is for southwest Virginia, and
portions of southeast West Virginia and southern West Virginia.

.DAY ONE...Tonight.

A Slight Risk of severe weather exists this afternoon and evening,
which means scattered severe storms are possible. Damaging winds,
some large hail, and an isolated tornado will all be possible in the
afternoon and evening. A few high water impacts may also occur with
the heavier storms. As a result, there is a Marginal to Slight risk
for excessive rainfall with the highest threat across southeast Ohio
and northern West Virginia.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Additional rounds of showers and thunderstorms are expected on Sunday
with the potential for heavy downpours and strong damaging winds.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions by calling the toll-free spotter hotline, or by other
methods detailed at www.weather.gov/rlx/reports.

In the hours before

Special weather statement, Aug 1, 7:04 PM EDT, 51 minutes before
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Special weather statement, Aug 1, 7:19 PM EDT, 36 minutes before
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Local storm report, Aug 1, 7:26 PM EDT, 29 minutes before
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Special weather statement, Aug 1, 7:27 PM EDT, 28 minutes before
Special Weather Statement
National Weather Service Charleston WV
727 PM EDT Sat Aug 1 2020

WVZ008-015-016-020000-
Jackson-Roane-Kanawha-
727 PM EDT Sat Aug 1 2020

...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL KANAWHA...
SOUTHWESTERN ROANE AND SOUTHEASTERN JACKSON COUNTIES...

At 726 PM EDT, a strong thunderstorm was located over Sissonville, or
11 miles north of Charleston, moving northeast at 35 mph.

Wind gusts up to 50 mph are possible with this storm.

Locations impacted include...
Sissonville, Statts Mills, Kentuck, Harmony and Gandeeville.

This includes Interstate 77 in West Virginia between mile markers 111
and 127.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
central and northwestern West Virginia.

LAT...LON 3845 8154 3849 8171 3876 8162 3869 8136
TIME...MOT...LOC 2326Z 207DEG 32KT 3852 8161

HART
Local storm report, Aug 1, 7:35 PM EDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WV
735 PM EDT SAT AUG 01 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0702 PM     TSTM WND DMG     1 ESE FORKS OF COAL     38.27N  81.78W
08/01/2020                   KANAWHA            WV   911 CALL CENTER

            TREE DOWN ALONG BROUNLAND ROAD IN ALUM CREEK AREA

&&

EVENT NUMBER RLX2001108

SL
Special weather statement, Aug 1, 7:51 PM EDT, 4 minutes before
Special Weather Statement
National Weather Service Charleston WV
751 PM EDT Sat Aug 1 2020

WVZ515-516-020015-
Northwest Raleigh-Southeast Raleigh-
751 PM EDT Sat Aug 1 2020

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL RALEIGH
COUNTY...

At 751 PM EDT, strong thunderstorms were clustered over Beckley,
moving northeast at 30 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Beckley, Mabscott, Sophia, Crab Orchard, Dry Creek, Macarthur, Coal
City, Bradley, Shady Spring, Prosperity, Beaver, Daniels, Piney View,
Stanaford, Lester and Glen Daniel.

This includes the following highways...
 West Virginia Turnpike between mile markers 35 and 52.
 Interstate 64 in West Virginia between mile markers 120 and 133.
 Route 19 between mile markers 1 and 4.

LAT...LON 3763 8126 3780 8138 3789 8126 3788 8113
      3788 8111 3786 8109 3786 8110 3785 8110
      3785 8107 3776 8095
TIME...MOT...LOC 2351Z 218DEG 26KT 3779 8117

HART

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 8:45 PM EDTSpecial Weather StatementRLXTaylor45 min
Aug 1, 4:31 PM EDTSpecial Weather StatementRLXPleasants, Tyler29 min
Aug 1, 6:12 PM EDTSpecial Weather StatementRLXJackson33 min
Aug 1, 6:15 PM EDTSpecial Weather StatementRLXWood30 min
Aug 1, 6:27 PM EDTSevere Thunderstorm WarningRLXBoone, Lincoln33 min
Aug 1, 6:48 PM EDTSevere Thunderstorm WarningRLXBoone, Kanawha, Lincoln42 min
Aug 1, 7:04 PM EDTSpecial Weather StatementRLXCalhoun26 min
Aug 1, 7:17 PM EDTSevere Thunderstorm WarningRLXCalhoun, Gilmer, Ritchie, Roane43 min
Aug 1, 7:19 PM EDTSpecial Weather StatementRLXWyoming26 min
Aug 1, 7:27 PM EDTSpecial Weather StatementRLXRoane33 min
Aug 1, 7:51 PM EDTSpecial Weather StatementRLXRaleigh24 min
Aug 1, 3:34 PM EDTSevere Thunderstorm WarningRLXWashington41 min
Aug 1, 3:38 PM EDTTornado WarningRLXWashington37 min
Aug 1, 3:58 PM EDTSevere Thunderstorm WarningRLXGallia, Jackson, Lawrence47 min
Aug 1, 4:23 PM EDTSevere Thunderstorm WarningRLXGallia, Jackson, Meigs, Vinton37 min
Aug 1, 4:37 PM EDTSpecial Weather StatementRLXGallia23 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2020Every severe thunderstorm warning in 2020

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.