Alert archive / West Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, WV

March 15, 2012Kanawha County, Mason County, Putnam County, West Virginia

NWS Charleston, WV issued this special weather statement at Mar 15, 2012, 11:40 AM EDT for Kanawha County, Mason County, Putnam County, West Virginia. It was in force for 65 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: Mar 15, 2012, 11:40 AM EDT (15:40 UTC)
Expired: Mar 15, 2012, 12:45 PM EDT
In force: 65 min
Issued by: NWS Charleston, WV

Counties Kanawha County, WV, Mason County, WV, Putnam County, WV

The radar

The Charleston,WV radar (KRLX), 31 km from the middle of the area, began a volume at 15:42 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, 3.7 hours before the alert went out and 188 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: 1236 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 1005 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

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 Mar 15, 10:55 AM EDT, 45 minutes earlier.

Area forecast discussion, Mar 15, 10:55 AM EDT, 45 minutes before

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Hazardous weather outlook, Mar 15, 10:15 AM EDT, 1 hour 25 minutes before

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In the hours before

Local storm report, Mar 15, 9:35 AM EDT, 2 hours 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WEST VIRGINIA
935 AM EDT THU MAR 15 2012

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0917 AM     HAIL             STOLLINGS               37.84N 81.97W
03/15/2012  U0.50 INCH       LOGAN              WV   PUBLIC

            EVENT OCCURRED BETWEEN
            902 AM 03/15/2012 AND 917 AM 03/15/2012

&&

NNNN

Local storm report, Mar 15, 10:02 AM EDT, 1 hour 38 minutes before

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Local storm report, Mar 15, 10:57 AM EDT, 43 minutes before

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Local storm report, Mar 15, 10:59 AM EDT, 41 minutes before

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Local storm report, Mar 15, 11:37 AM EDT, 3 minutes before

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Special weather statement, Mar 15, 11:40 AM 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
Mar 15, 7:24 AM EDT	Special Weather Statement	RLX	Boone, Kanawha, Lincoln, Putnam	66 min
Mar 15, 7:43 AM EDT	Severe Thunderstorm Warning	RLX	Cabell, Mason, Putnam	32 min
Mar 15, 7:57 AM EDT	Severe Thunderstorm Warning	RLX	Cabell, Kanawha, Lincoln, Putnam	33 min
Mar 15, 8:35 AM EDT	Special Weather Statement	RLX	Boone, Kanawha, Logan, Mingo	70 min
Mar 15, 9:10 AM EDT	Severe Thunderstorm Warning	RLX	Logan, Mingo	35 min
Mar 15, 9:37 AM EDT	Flash Flood Watch	RLX	Boone, Cabell, Lincoln, Logan, McDowell, Mason and 4 more	12 hr
Mar 15, 9:44 AM EDT	Flash Flood Warning	RLX	Boone, Lincoln, Logan, Mingo	10 hr
Mar 15, 10:51 AM EDT	Flash Flood Warning	RLX	Logan, McDowell, Mingo, Wyoming	4 hr
Mar 15, 11:52 AM EDT	Flash Flood Warning	RLX	Lincoln, Putnam	8 hr
Mar 15, 12:22 PM EDT	Flash Flood Warning	RLX	Cabell, Mason, Putnam, Wayne	113 min
Mar 15, 4:05 PM EDT	Flash Flood Warning	RLX	Logan, Mingo	4 hr
Mar 15, 4:27 AM EDT	Severe Thunderstorm Warning	RLX	Lawrence	50 min
Mar 15, 6:45 AM EDT	Special Weather Statement	RLX	Perry	3 hr
Mar 15, 4:05 AM EDT	Special Weather Statement	RLX	Greenup	25 min
Mar 15, 1:42 PM EDT	Special Weather Statement	RLX	Buchanan, Dickenson	63 min

Nearby

Special Weather Statements in West 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.