Alert archive / West Virginia / Special Weather Statements in 2019

Special Weather Statement, NWS Charleston, WV

August 7, 2019Mason County, West Virginia

NWS Charleston, WV issued this special weather statement at Aug 7, 2019, 2:24 AM EDT for Mason County, West Virginia. It was in force for 36 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
Aug 7, 2019, 2:24 AM EDT (06:24 UTC)
Expired
Aug 7, 2019, 3:00 AM EDT
In force
36 min
Issued by
NWS Charleston, WV

County Mason County, WV

The radar

The Charleston,WV radar (KRLX), 69 km from the middle of the area, began a volume at 06:26 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.4 hours before the alert went out and 160 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, Cncnati-Daytn, OH at 00:00Z on 2019-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 190 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, Cncnati-Daytn, OH at 00:00Z on 2019-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.193958Sfc1 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
190 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1333 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

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 Aug 7, 2:18 AM EDT, 6 minutes earlier.

Area forecast discussion, Aug 7, 2:18 AM EDT, 6 minutes before
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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Hazardous weather outlook, Aug 6, 2:33 AM EDT, 23 hours 51 minutes before
Hazardous Weather Outlook
National Weather Service Charleston WV
233 AM EDT Tue Aug 6 2019

KYZ101>103-105-OHZ066-067-075-076-083>087-VAZ003-004-WVZ005>011-
013>020-024>034-039-040-515>526-070645-
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-
233 AM EDT Tue Aug 6 2019

This Hazardous Weather Outlook is for northeast Kentucky, 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...Wednesday through Monday.

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, Aug 7, 1:39 AM EDT, 45 minutes before
Special Weather Statement
National Weather Service Charleston WV
139 AM EDT Wed Aug 7 2019

OHZ086-087-070615-
Gallia-Lawrence-
139 AM EDT Wed Aug 7 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTH CENTRAL GALLIA AND EAST
CENTRAL LAWRENCE COUNTIES...

At 139 AM EDT, a strong thunderstorm was located 9 miles east of Lake
Vesuvius, moving northeast at 20 mph.

Wind gusts up to 50 mph and nickel size hail are possible with this
storm.

Locations impacted include...
Aid.

LAT...LON 3859 8250 3865 8254 3878 8232 3866 8223
TIME...MOT...LOC 0539Z 244DEG 17KT 3865 8246

25
Special weather statement, Aug 7, 2:05 AM EDT, 19 minutes before
Special Weather Statement
National Weather Service Charleston WV
205 AM EDT Wed Aug 7 2019

OHZ087-WVZ006-070630-
Lawrence-Cabell-
205 AM EDT Wed Aug 7 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN LAWRENCE AND
NORTHEASTERN CABELL COUNTIES...

At 205 AM EDT, a strong thunderstorm was located near Proctorville,
moving east at 25 mph.

Wind gusts up to 50 mph and nickel size hail are possible with this
storm.

Locations impacted include...
Proctorville,Athalia, and Green Bottom.

LAT...LON 3852 8241 3858 8221 3853 8214 3844 8205
      3842 8239
TIME...MOT...LOC 0605Z 260DEG 23KT 3848 8235

25
Special weather statement, Aug 7, 2:24 AM EDT, 0 minutes before
Special Weather Statement
National Weather Service Charleston WV
224 AM EDT Wed Aug 7 2019

OHZ086-WVZ007-070700-
Gallia-Mason-
224 AM EDT Wed Aug 7 2019

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN GALLIA AND
NORTHWESTERN MASON COUNTIES...

At 224 AM EDT, a strong thunderstorm was located over Point Pleasant,
moving northeast at 20 mph.

Wind gusts up to 50 mph and nickel size hail are possible with this
storm.

Locations impacted include...
Point Pleasant, Gallipolis, New Haven, Hartford City and Henderson.

LAT...LON 3881 8218 3886 8221 3899 8199 3885 8191
TIME...MOT...LOC 0624Z 246DEG 18KT 3885 8212

25

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 2:05 AM EDTSpecial Weather StatementRLXCabell25 min
Aug 7, 4:16 AM EDTFlash Flood WarningRLXCabell119 min
Aug 7, 4:37 AM EDTSpecial Weather StatementRLXCabell, Putnam23 min
Aug 7, 5:15 AM EDTSpecial Weather StatementRLXHarrison2 hr
Aug 7, 5:32 AM EDTSpecial Weather StatementRLXKanawha43 min
Aug 7, 6:12 AM EDTSpecial Weather StatementRLXClay, Nicholas48 min
Aug 7, 6:48 AM EDTSpecial Weather StatementRLXBraxton, Pocahontas, Webster42 min
Aug 7, 7:30 AM EDTSpecial Weather StatementRLXLewis, Upshur45 min
Aug 7, 1:39 AM EDTSpecial Weather StatementRLXLawrence36 min
Aug 7, 4:41 AM EDTSpecial Weather StatementRLXWashington34 min

Nearby

Special Weather Statements in West Virginia, 2019Every special weather statement in 2019

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.