Alert archive / Indiana / Flood Watches in 2008

Flood Watch 4, NWS Louisville, KY

March 19, 2008Henry County, Oldham County, Trimble County, Kentucky; 10 counties in Indiana

NWS Louisville, KY issued this flood watch at Mar 19, 2008, 4:13 PM EDT for Henry County, Oldham County, Trimble County, Kentucky; 10 counties in Indiana. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Mar 19, 2008, 4:13 PM EDT (20:13 UTC)
Expired: Mar 19, 2008, 9:14 PM EDT
In force: 5 hr
Issued by: NWS Louisville, KY

Counties Clark County, IN, Crawford County, IN, Dubois County, IN, Floyd County, IN, Harrison County, IN, Jefferson County, IN, Orange County, IN, Perry County, IN, Scott County, IN, Washington County, IN, Henry County, KY, Oldham County, KY, Trimble County, KY

The radar

The Louisville radar (KLVX), 52 km from the middle of the area, began a volume at 20:12 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 12:00Z, 8.2 hours before the alert went out and 216 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 464 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 344 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 flood watch 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 flood watch went out at Mar 19, 3:43 PM EDT, 30 minutes earlier.

Area forecast discussion, Mar 19, 3:43 PM EDT, 30 minutes before

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Hazardous weather outlook, Mar 19, 11:21 AM EDT, 4 hours 52 minutes before

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In the hours before

Local storm report, Mar 19, 2:33 PM EDT, 1 hour 40 minutes before

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Special weather statement, Mar 19, 2:57 PM EDT, 1 hour 16 minutes before

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Local storm report, Mar 19, 2:59 PM EDT, 1 hour 14 minutes before

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Local storm report, Mar 19, 3:21 PM EDT, 52 minutes before

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Local storm report, Mar 19, 3:57 PM EDT, 16 minutes before

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Local storm report, Mar 19, 4:02 PM EDT, 11 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 18, 10:44 PM EDT	Flash Flood Warning	LMK	Henry, Oldham, Trimble	12 hr
Mar 18, 10:44 PM EDT	Flash Flood Warning	LMK	Henry, Oldham, Trimble	6 hr
Mar 19, 3:58 AM EDT	Wind Advisory	LMK	Adair, Allen, Anderson, Barren, Bourbon, Boyle and 33 more	5 hr
Mar 19, 4:10 AM EDT	Flash Flood Warning	LMK	Breckinridge, Hancock, Meade, Ohio	6 hr
Mar 19, 4:53 AM EDT	Flash Flood Warning	LMK	Jefferson	6 hr
Mar 19, 11:56 AM EDT	River Flood Warning	LMK	Hardin, Nelson	4 days
Mar 19, 11:56 AM EDT	River Flood Warning	LMK	Ohio	63 hr
Mar 19, 11:56 AM EDT	River Flood Warning	LMK	Butler, Warren	4 days
Mar 19, 11:56 AM EDT	River Flood Warning	LMK	Butler, Muhlenberg, Ohio	6 days
Mar 19, 5:48 PM EDT	River Flood Warning	LMK	Bourbon	18 hr

Nearby

Flood Watches in Indiana, 2008 Flood Watches in Kentucky, 2008 Every flood watch in 2008

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.