Alert archive / Indiana / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 167, NWS Louisville, KY

July 18, 2010Crawford County, Dubois County, Perry County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jul 18, 2010, 3:24 PM EDT for Crawford County, Dubois County, Perry County, Indiana. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 18, 2010, 3:24 PM EDT (19:24 UTC)
Expired: Jul 18, 2010, 4:00 PM EDT
In force: 36 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Crawford County, IN, Dubois County, IN, Perry County, IN

The radar

The Louisville radar (KLVX), 69 km from the middle of the area, began a volume at 19:26 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

Lincoln, IL (KILX), launched 12:00Z, 7.4 hours before the alert went out and 270 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: 3619 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 775 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 18, 2:43 PM EDT, 41 minutes earlier.

Area forecast discussion, Jul 18, 2:43 PM EDT, 41 minutes before

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Hazardous weather outlook, Jul 18, 11:32 AM EDT, 3 hours 52 minutes before

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In the hours before

Special weather statement, Jul 18, 2:07 PM EDT, 1 hour 17 minutes before

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Special weather statement, Jul 18, 2:33 PM EDT, 51 minutes before

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Special weather statement, Jul 18, 3:12 PM EDT, 12 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 17, 9:30 PM EDT	Special Weather Statement	LMK	Oldham	30 min
Jul 18, 3:55 PM EDT	Special Weather Statement	LMK	Hancock, Meade	35 min
Jul 18, 4:23 PM EDT	Special Weather Statement	LMK	Edmonson, Hardin	37 min
Jul 18, 4:31 PM EDT	Special Weather Statement	LMK	Breckinridge, Meade	29 min
Jul 18, 4:54 PM EDT	Special Weather Statement	LMK	Hardin, Hart, Larue	36 min
Jul 18, 5:02 PM EDT	Special Weather Statement	LMK	Bullitt, Jefferson	28 min
Jul 17, 8:57 PM EDT	Special Weather Statement	LMK	Clark	33 min
Jul 17, 9:34 PM EDT	Special Weather Statement	LMK	Crawford	26 min
Jul 17, 9:43 PM EDT	Areal Flood Advisory	LMK	Clark	92 min
Jul 17, 10:03 PM EDT	Special Weather Statement	LMK	Clark	27 min
Jul 17, 10:31 PM EDT	Special Weather Statement	LMK	Clark	29 min
Jul 18, 2:07 PM EDT	Special Weather Statement	LMK	Dubois	23 min
Jul 18, 2:33 PM EDT	Special Weather Statement	LMK	Dubois	27 min
Jul 18, 3:12 PM EDT	Special Weather Statement	LMK	Dubois	48 min
Jul 18, 3:29 PM EDT	Special Weather Statement	LMK	Perry	31 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2010 Every severe thunderstorm warning in 2010

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.