Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, WV

July 25, 2012Buchanan County, Virginia

NWS Charleston, WV issued this special weather statement at Jul 25, 2012, 5:46 PM EDT for Buchanan County, Virginia. It was in force for 29 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 25, 2012, 5:46 PM EDT (21:46 UTC)
Expired: Jul 25, 2012, 6:15 PM EDT
In force: 29 min
Issued by: NWS Charleston, WV

County Buchanan County, VA

The radar

The Jackson,KY radar (KJKL), 121 km from the middle of the area, began a volume at 21:47 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.8 hours before the alert went out and 227 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: 392 J/kg
Mixed-layer CIN: -107 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 25, 3:35 PM EDT, 2 hours 11 minutes earlier.

Area forecast discussion, Jul 25, 3:35 PM EDT, 2 hours 11 minutes before

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Hazardous weather outlook, Jul 25, 2:06 PM EDT, 3 hours 40 minutes before

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In the hours before

Special weather statement, Jul 25, 4:44 PM EDT, 1 hour 2 minutes before

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Special weather statement, Jul 25, 5:17 PM EDT, 29 minutes before

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Special weather statement, Jul 25, 5:46 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 25, 1:21 AM EDT	Flash Flood Warning	RLX	McDowell	114 min
Jul 25, 1:59 PM EDT	Heat Advisory	RLX	Boone, Cabell, Calhoun, Doddridge, Gilmer, Harrison and 15 more	30 hr
Jul 25, 4:44 PM EDT	Special Weather Statement	RLX	Buchanan	31 min
Jul 25, 5:17 PM EDT	Special Weather Statement	RLX	Buchanan	28 min

Nearby

Special Weather Statements in Virginia, 2012 Every special weather statement in 2012

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.