Alert archive / Kentucky / Special Weather Statements in 2012

Special Weather Statement, NWS Louisville, KY

July 20, 2012Allen County, Kentucky

NWS Louisville, KY issued this special weather statement at Jul 20, 2012, 2:37 PM CDT for Allen County, Kentucky. It was in force for 28 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 20, 2012, 2:37 PM CDT (19:37 UTC)
Expired: Jul 20, 2012, 3:05 PM CDT
In force: 28 min
Issued by: NWS Louisville, KY

County Allen County, KY

The radar

The Nashville radar (KOHX), 57 km from the middle of the area, began a volume at 19:36 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

Little Rock, AR (KLZK), launched 12:00Z, 7.6 hours before the alert went out and 388 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: 1326 J/kg
Mixed-layer CIN: -175 J/kg
Mixed-layer LCL: 1689 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 114 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 Jul 20, 2:05 PM CDT, 32 minutes earlier.

Area forecast discussion, Jul 20, 2:05 PM CDT, 32 minutes before

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Hazardous weather outlook, Jul 20, 11:02 AM CDT, 3 hours 35 minutes before

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In the hours before

Local storm report, Jul 20, 12:17 PM CDT, 2 hours 20 minutes before

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Local storm report, Jul 20, 12:45 PM CDT, 1 hour 52 minutes before

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Local storm report, Jul 20, 12:53 PM CDT, 1 hour 44 minutes before

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Local storm report, Jul 20, 1:38 PM CDT, 59 minutes before

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Local storm report, Jul 20, 2:11 PM CDT, 26 minutes before

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Special weather statement, Jul 20, 2:37 PM CDT, 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
Jul 19, 7:06 PM CDT	Severe Thunderstorm Warning	LMK	Grayson	29 min
Jul 19, 7:13 PM CDT	Severe Thunderstorm Warning	LMK	Meade	32 min
Jul 19, 7:14 PM CDT	Severe Thunderstorm Warning	LMK	Edmonson, Warren	46 min
Jul 19, 7:17 PM CDT	Tornado Warning	LMK	Edmonson	18 min
Jul 19, 7:20 PM CDT	Severe Thunderstorm Warning	LMK	Butler, Edmonson, Warren	30 min
Jul 19, 7:21 PM CDT	Severe Thunderstorm Warning	LMK	Fayette, Garrard, Jessamine, Madison	44 min
Jul 19, 7:26 PM CDT	Severe Thunderstorm Warning	LMK	Green, Hart	44 min
Jul 19, 7:28 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson	32 min
Jul 19, 7:34 PM CDT	Severe Thunderstorm Warning	LMK	Grayson, Hardin, Hart	46 min
Jul 19, 7:37 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Meade	38 min
Jul 19, 7:37 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Boyle, Casey, Garrard, Green, Larue and 3 more	58 min
Jul 19, 7:40 PM CDT	Special Weather Statement	LMK	Hart	30 min
Jul 19, 7:44 PM CDT	Severe Thunderstorm Warning	LMK	Hardin	41 min
Jul 19, 7:49 PM CDT	Severe Thunderstorm Warning	LMK	Edmonson, Simpson, Warren	41 min
Jul 19, 7:59 PM CDT	Severe Thunderstorm Warning	LMK	Hardin, Larue	31 min
Jul 19, 8:05 PM CDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Hart, Metcalfe, Monroe, Simpson and 1 more	45 min
Jul 19, 8:26 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Green, Metcalfe, Russell	49 min
Jul 19, 8:30 PM CDT	Severe Thunderstorm Warning	LMK	Simpson	20 min
Jul 19, 8:41 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Allen, Barren, Cumberland, Metcalfe, Monroe	29 min
Jul 19, 9:07 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Clinton, Cumberland, Metcalfe, Monroe	43 min
Jul 19, 9:13 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Russell	32 min
Jul 19, 9:24 PM CDT	Special Weather Statement	LMK	Hancock	31 min
Jul 19, 9:45 PM CDT	Special Weather Statement	LMK	Logan	30 min
Jul 19, 9:52 PM CDT	Special Weather Statement	LMK	Clinton	28 min
Jul 19, 10:08 PM CDT	Special Weather Statement	LMK	Allen	27 min
Jul 19, 10:45 PM CDT	Areal Flood Advisory	LMK	Logan, Warren	3 hr
Jul 19, 10:48 PM CDT	Special Weather Statement	LMK	Ohio	32 min
Jul 19, 10:56 PM CDT	Special Weather Statement	LMK	Simpson	29 min
Jul 19, 11:18 PM CDT	Special Weather Statement	LMK	Ohio	27 min
Jul 19, 11:21 PM CDT	Areal Flood Advisory	LMK	Logan, Simpson	3 hr

Nearby

Special Weather Statements in Kentucky, 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.