Alert archive / West Virginia / Special Weather Statements in 2016

Special Weather Statement, NWS Charleston, WV

August 28, 2016Logan County, West Virginia

NWS Charleston, WV issued this special weather statement at Aug 28, 2016, 5:46 PM EDT for Logan County, West Virginia. It was in force for 59 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 28, 2016, 5:46 PM EDT (21:46 UTC)
Expired: Aug 28, 2016, 6:45 PM EDT
In force: 59 min
Issued by: NWS Charleston, WV

County Logan County, WV

The radar

The Charleston,WV radar (KRLX), 47 km from the middle of the area, began a volume at 21:48 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, 9.8 hours before the alert went out and 229 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: 1387 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 1137 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 22 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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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 28, 3:24 AM EDT	Heat Advisory	RLX	Boone, Cabell, Jackson, Kanawha, Lincoln, Logan and 4 more	17 hr
Aug 28, 5:04 PM EDT	Special Weather Statement	RLX	Jackson	56 min
Aug 28, 6:06 PM EDT	Special Weather Statement	RLX	Vinton	54 min

Nearby

Special Weather Statements in West Virginia, 2016 Every special weather statement in 2016

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.