Alert archive / West Virginia / Special Weather Statements in 2017

Special Weather Statement, NWS Charleston, WV

April 16, 2017Cabell County, Putnam County, West Virginia

NWS Charleston, WV issued this special weather statement at Apr 16, 2017, 3:49 PM EDT for Cabell County, Putnam County, West Virginia. It was in force for 26 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 16, 2017, 3:49 PM EDT (19:49 UTC)
Expired
Apr 16, 2017, 4:15 PM EDT
In force
26 min
Issued by
NWS Charleston, WV

Counties Cabell County, WV, Putnam County, WV

The radar

The Charleston,WV radar (KRLX), 37 km from the middle of the area, began a volume at 19:51 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 12:00Z, 7.8 hours before the alert went out and 182 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 12:00Z on 2017-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 12:00Z on 2017-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 340 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1327 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
340 m²/s²
0-3 km storm-relative helicity
326 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 16, 3:02 PM EDT, 47 minutes earlier.

Area forecast discussion, Apr 16, 3:02 PM EDT, 47 minutes before
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Hazardous weather outlook, Apr 16, 4:19 AM EDT, 11 hours 30 minutes before
Hazardous Weather Outlook
National Weather Service Charleston WV
419 AM EDT Sun Apr 16 2017

KYZ101>103-105-OHZ066-067-075-076-083>087-WVZ005>011-013>020-027>032-
039-040-170830-
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-Clay-Braxton-Gilmer-Lewis-Harrison-Taylor-
Upshur-Barbour-
419 AM EDT Sun Apr 16 2017

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

.DAY ONE...Today and Tonight.

The probability for widespread hazardous weather is low.  However,
there is a threat for isolated severe thunderstorms late Sunday
afternoon into Sunday evening. These storms may also contain
torrential rainfall and potential will exist for localized flash
flooding.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

VAZ003-004-WVZ024>026-033-034-515>526-170830-
Dickenson-Buchanan-Mingo-Logan-Boone-McDowell-Wyoming-
Northwest Raleigh-Southeast Raleigh-Northwest Fayette-
Southeast Fayette-Northwest Nicholas-Southeast Nicholas-
Northwest Webster-Southeast Webster-Northwest Pocahontas-
Southeast Pocahontas-Northwest Randolph-Southeast Randolph-
419 AM EDT Sun Apr 16 2017

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

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

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 16, 2:04 PM EDT, 1 hour 45 minutes before
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Special weather statement, Apr 16, 3:24 PM EDT, 25 minutes before
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Special weather statement, Apr 16, 3:49 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 2:04 PM EDTSpecial Weather StatementRLXBoone, Fayette26 min
Apr 16, 3:24 PM EDTSpecial Weather StatementRLXLincoln36 min
Apr 16, 7:57 PM EDTSpecial Weather StatementRLXPleasants33 min
Apr 16, 5:40 PM EDTSpecial Weather StatementRLXAthens35 min
Apr 16, 6:10 PM EDTSpecial Weather StatementRLXPerry20 min
Apr 16, 6:23 PM EDTSpecial Weather StatementRLXAthens37 min
Apr 16, 6:53 PM EDTSpecial Weather StatementRLXWashington37 min
Apr 16, 7:29 PM EDTSpecial Weather StatementRLXWashington31 min

Nearby

Special Weather Statements in West Virginia, 2017Every 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.