Alert archive / Indiana / Areal Flood Advisories in 2012

Areal Flood Advisory 13, NWS Louisville, KY

March 16, 2012Hardin County, Meade County, Kentucky; Crawford County, Harrison County, Perry County, Indiana

NWS Louisville, KY issued this areal flood advisory at Mar 16, 2012, 12:20 AM EDT for Hardin County, Meade County, Kentucky; Crawford County, Harrison County, Perry County, Indiana. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Mar 16, 2012, 12:20 AM EDT (04:20 UTC)
Expired: Mar 16, 2012, 3:15 AM EDT
In force: 3 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon

Counties Crawford County, IN, Harrison County, IN, Perry County, IN, Hardin County, KY, Meade County, KY

The radar

The Louisville radar (KLVX), 30 km from the middle of the area, began a volume at 04:23 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, 4.3 hours before the alert went out and 215 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: 106 J/kg
Mixed-layer CIN: -143 J/kg
Mixed-layer LCL: 1278 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood advisory 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 areal flood advisory went out at Mar 15, 11:03 PM EDT, 1 hour 17 minutes earlier.

Area forecast discussion, Mar 15, 11:03 PM EDT, 1 hour 17 minutes before

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Hazardous weather outlook, Mar 15, 11:16 PM EDT, 1 hour 4 minutes before

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In the hours before

Local storm report, Mar 15, 7:46 PM EDT, 4 hours 34 minutes before

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Local storm report, Mar 15, 9:53 PM EDT, 2 hours 27 minutes before

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Special weather statement, Mar 15, 11:17 PM EDT, 1 hour 3 minutes before

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Special weather statement, Mar 15, 11:25 PM EDT, 55 minutes before

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Special weather statement, Mar 15, 11:35 PM EDT, 45 minutes before

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Special weather statement, Mar 16, 12:00 AM EDT, 20 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
Mar 15, 11:17 PM EDT	Special Weather Statement	LMK	Meade	28 min
Mar 15, 11:35 PM EDT	Special Weather Statement	LMK	Nelson	25 min
Mar 16, 6:32 PM EDT	Special Weather Statement	LMK	Warren	28 min
Mar 15, 11:17 PM EDT	Areal Flood Advisory	LMK	Harrison, Orange, Washington	3 hr
Mar 15, 11:25 PM EDT	Special Weather Statement	LMK	Perry	35 min
Mar 15, 11:31 PM EDT	Severe Thunderstorm Warning	LMK	Perry	29 min
Mar 15, 11:55 PM EDT	Flash Flood Warning	LMK	Harrison, Orange, Washington	3 hr
Mar 16, 12:00 AM EDT	Special Weather Statement	LMK	Perry	30 min
Mar 16, 12:19 AM EDT	Severe Thunderstorm Warning	LMK	Crawford, Perry	26 min
Mar 16, 1:43 AM EDT	Areal Flood Advisory	LMK	Crawford, Harrison, Orange, Perry	116 min

Nearby

Areal Flood Advisories in Indiana, 2012 Areal Flood Advisories in Kentucky, 2012 Every areal flood advisory 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.