Alert archive / Kentucky / Flood Watches in 2015

Flood Watch 7, NWS Louisville, KY

December 25, 20159 counties in Kentucky

NWS Louisville, KY issued this flood watch at Dec 25, 2015, 2:51 AM CST for 9 counties in Kentucky. It took effect at Dec 25, 2015, 6:00 AM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Dec 25, 2015, 2:51 AM CST (08:51 UTC)
In effect from: Dec 25, 2015, 6:00 AM CST
Expired: Dec 25, 2015, 1:41 PM CST
In force: 8 hr
Issued by: NWS Louisville, KY
Flood severity: None

Counties Adair County, KY, Casey County, KY, Clinton County, KY, Cumberland County, KY, Garrard County, KY, Lincoln County, KY, Madison County, KY, Monroe County, KY, Russell County, KY

The radar

The Louisville radar (KLVX), 123 km from the middle of the area, began a volume at 08:54 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, 8.9 hours before the alert went out and 183 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: 2047 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 172 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 Dec 25, 2:36 AM CST, 15 minutes earlier.

Area forecast discussion, Dec 25, 2:36 AM CST, 15 minutes before

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Hazardous weather outlook, Dec 24, 2:26 PM CST, 12 hours 25 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
Dec 25, 3:25 AM CST	Special Weather Statement	LMK	Butler	50 min
Dec 25, 4:48 AM CST	Special Weather Statement	LMK	Warren	27 min
Dec 25, 5:10 AM CST	Special Weather Statement	LMK	Barren	35 min
Dec 25, 5:42 AM CST	Special Weather Statement	LMK	Barren, Metcalfe	33 min
Dec 25, 6:03 AM CST	Special Weather Statement	LMK	Adair, Green, Taylor	27 min
Dec 25, 6:52 AM CST	Special Weather Statement	LMK	Casey, Lincoln	23 min
Dec 25, 8:28 AM CST	Areal Flood Warning	LMK	Boyle, Casey, Garrard, Lincoln, Marion, Taylor	2 hr
Dec 25, 8:32 AM CST	River Flood Warning	LMK	Butler, Warren	6 days
Dec 25, 8:40 AM CST	Flash Flood Warning	LMK	Clark, Garrard, Jessamine, Madison	3 hr
Dec 25, 8:49 AM CST	Flash Flood Warning	LMK	Adair, Casey, Lincoln, Metcalfe, Russell	3 hr
Dec 25, 9:23 AM CST	Flash Flood Warning	LMK	Garrard, Madison	3 hr
Dec 25, 9:44 AM CST	River Flood Warning	LMK	Edmonson	3 days
Dec 25, 11:33 AM CST	Areal Flood Advisory	LMK	Adair, Casey, Clark, Garrard, Green, Lincoln and 3 more	117 min

Nearby

Flood Watches in Kentucky, 2015 Every flood watch in 2015

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.