Alert archive / Kentucky / Special Weather Statements in 2011

Special Weather Statement, NWS Louisville, KY

April 1, 201111 counties in Kentucky

NWS Louisville, KY issued this special weather statement at Apr 1, 2011, 9:45 PM EDT for 11 counties in Kentucky. It was in force for 60 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: Apr 1, 2011, 9:45 PM EDT (01:45 UTC)
Expired: Apr 1, 2011, 10:45 PM EDT
In force: 60 min
Issued by: NWS Louisville, KY

Counties Bourbon County, KY, Boyle County, KY, Bullitt County, KY, Clark County, KY, Fayette County, KY, Garrard County, KY, Jessamine County, KY, Madison County, KY, Mercer County, KY, Nicholas County, KY, Washington County, KY

The radar

The Jackson,KY radar (KJKL), 97 km from the middle of the area, began a volume at 01:46 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

Nashville Metro, TN (KBNA), launched 00:00Z, 1.8 hours before the alert went out and 282 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: 22 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1516 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 207 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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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 1, 10:46 PM EDT	Special Weather Statement	LMK	Garrard, Madison	29 min
Apr 1, 10:56 PM EDT	Special Weather Statement	LMK	Breckinridge, Hardin	34 min
Apr 1, 11:43 PM EDT	Special Weather Statement	LMK	Hancock, Meade	32 min
Apr 2, 3:37 PM EDT	Wind Advisory	LMK	Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more	28 hr
Apr 1, 11:50 PM EDT	Special Weather Statement	LMK	Scott, Washington	25 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.