Alert archive / Kentucky / Flood Watches in 2008

Flood Watch 3, NWS Louisville, KY

March 17, 200810 counties in Kentucky; 10 counties in Indiana

NWS Louisville, KY issued this flood watch at Mar 17, 2008, 3:03 PM CDT for 10 counties in Kentucky; 10 counties in Indiana. It took effect at Mar 18, 2008, 2:16 AM CDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Mar 17, 2008, 3:03 PM CDT (20:03 UTC)
In effect from: Mar 18, 2008, 2:16 AM CDT
Expired: Mar 18, 2008, 3:31 PM CDT
In force: 13 hr
Issued by: NWS Louisville, KY
Flood severity: None

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, Breckinridge County, KY, Franklin County, KY, Hancock County, KY, Henry County, KY, Jefferson County, KY, Meade County, KY, Ohio County, KY, Oldham County, KY, Shelby County, KY, Trimble County, KY

The radar

The Louisville radar (KLVX), 33 km from the middle of the area, began a volume at 20:03 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, 8.1 hours before the alert went out and 308 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: 906 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 173 m²/s²
0-3 km storm-relative helicity: 361 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 17, 2:48 PM CDT, 15 minutes earlier.

Area forecast discussion, Mar 17, 2:48 PM CDT, 15 minutes before

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Hazardous weather outlook, Mar 17, 10:41 AM CDT, 4 hours 22 minutes before

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Nearby

Flood Watches in Kentucky, 2008 Flood Watches in Indiana, 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.