Alert archive / Kentucky / Special Weather Statements in 2011

Special Weather Statement, NWS Louisville, KY

June 21, 2011Nicholas County, Kentucky

NWS Louisville, KY issued this special weather statement at Jun 21, 2011, 9:00 PM EDT for Nicholas County, Kentucky. It was in force for 15 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: Jun 21, 2011, 9:00 PM EDT (01:00 UTC)
Expired: Jun 21, 2011, 9:15 PM EDT
In force: 15 min
Issued by: NWS Louisville, KY

County Nicholas County, KY

The radar

The Jackson,KY radar (KJKL), 104 km from the middle of the area, began a volume at 01:00 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 00:00Z, 1.0 hours before the alert went out and 118 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: 185 J/kg
Mixed-layer CIN: -156 J/kg
Mixed-layer LCL: 1046 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -169 m²/s²
0-3 km storm-relative helicity: -145 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 Louisville, KY wrote its last area forecast discussion before this special weather statement went out at Jun 21, 7:10 PM EDT, 1 hour 50 minutes earlier.

Area forecast discussion, Jun 21, 7:10 PM EDT, 1 hour 50 minutes before

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Hazardous weather outlook, Jun 21, 9:00 PM EDT, 0 minutes before

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In the hours before

Local storm report, Jun 21, 6:01 PM EDT, 2 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
601 PM EDT TUE JUN 21 2011

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

0533 PM     TSTM WND DMG     3 SSE ALBANY            36.66N  85.11W
06/21/2011                   CLINTON            KY   COUNTY OFFICIAL

            COUNTY DISPATCH REPORTS TREES AND POWER LINES DOWN ALL
            OVER COUNTY. SPECIFICALLY AT 127 SOUTH AND SPRING CREEK
            BRIDGE AND IN THE CEDAR HILL COMMUNITY.

&&

EVENT NUMBER LMK1100935

RJS

Local storm report, Jun 21, 6:08 PM EDT, 2 hours 52 minutes before

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Special weather statement, Jun 21, 6:33 PM EDT, 2 hours 27 minutes before

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Special weather statement, Jun 21, 7:46 PM EDT, 1 hour 14 minutes before

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Special weather statement, Jun 21, 8:22 PM EDT, 38 minutes before

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Special weather statement, Jun 21, 9:00 PM EDT, 0 minutes before

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The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 21, 8:22 PM EDT	Special Weather Statement	LMK	Bourbon, Clark, Harrison, Nicholas	38 min
Jun 22, 7:31 PM EDT	Tornado Warning	LMK	Jefferson	14 min
Jun 22, 7:55 PM EDT	Special Weather Statement	LMK	Jefferson	20 min

Nearby

Special Weather Statements in Kentucky, 2011 Every special weather statement in 2011

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.