Alert archive / West Virginia / Special Weather Statements in 2017

Special Weather Statement, NWS Charleston, WV

July 28, 2017Cabell County, Kanawha County, Putnam County, West Virginia

NWS Charleston, WV issued this special weather statement at Jul 28, 2017, 2:02 PM EDT for Cabell County, Kanawha County, Putnam County, West Virginia. It was in force for 58 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: Jul 28, 2017, 2:02 PM EDT (18:02 UTC)
Expired: Jul 28, 2017, 3:00 PM EDT
In force: 58 min
Issued by: NWS Charleston, WV

Counties Cabell County, WV, Kanawha County, WV, Putnam County, WV

The radar

The Charleston,WV radar (KRLX), 16 km from the middle of the area, began a volume at 18:04 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, 6.0 hours before the alert went out and 203 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: 165 J/kg
Mixed-layer CIN: -196 J/kg
Mixed-layer LCL: 720 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.3

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 Jul 28, 9:25 AM EDT, 4 hours 37 minutes earlier.

Area forecast discussion, Jul 28, 9:25 AM EDT, 4 hours 37 minutes before

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Hazardous weather outlook, Jul 28, 3:16 AM EDT, 10 hours 46 minutes before

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In the hours before

Special weather statement, Jul 28, 1:00 PM EDT, 1 hour 2 minutes before

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Special weather statement, Jul 28, 1:58 PM EDT, 4 minutes before

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Special weather statement, Jul 28, 2:02 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 1:00 PM EDT	Special Weather Statement	RLX	Cabell, Putnam	2 hr
Jul 28, 1:58 PM EDT	Special Weather Statement	RLX	Cabell, Kanawha, Putnam	62 min
Jul 28, 2:31 PM EDT	Flash Flood Warning	RLX	Cabell, Kanawha, Lincoln, Mason, Putnam, Wayne	3 hr
Jul 28, 2:55 PM EDT	Special Weather Statement	RLX	Kanawha	50 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.