Alert archive / Kentucky / Flash Flood Watches in 2011

Flash Flood Watch 6, NWS Paducah, KY

June 19, 201122 counties in Kentucky; 19 counties in Illinois; 5 counties in Missouri

NWS Paducah, KY issued this flash flood watch at Jun 19, 2011, 2:10 AM CDT for 22 counties in Kentucky; 19 counties in Illinois; 5 counties in Missouri. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Jun 19, 2011, 2:10 AM CDT (07:10 UTC)
Expired: Jun 19, 2011, 9:24 AM CDT
In force: 7 hr
Issued by: NWS Paducah, KY
Flood severity: None

All 46 counties

Alexander County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Massac County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Ballard County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Fulton County, KY, Graves County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Muhlenberg County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Cape Girardeau County, MO, Mississippi County, MO, Perry County, MO, Scott County, MO

The radar

The Paducah radar (KPAH), 45 km from the middle of the area, began a volume at 07:11 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, 7.2 hours before the alert went out and 222 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: 340 J/kg
Mixed-layer CIN: -515 J/kg
Mixed-layer LCL: 1700 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 193 m²/s²
0-3 km storm-relative helicity: 328 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 flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Paducah, KY wrote its last area forecast discussion before this flash flood watch went out at Jun 18, 7:05 PM CDT, 7 hours 5 minutes earlier.

Area forecast discussion, Jun 18, 7:05 PM CDT, 7 hours 5 minutes before

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Hazardous weather outlook, Jun 18, 9:35 PM CDT, 4 hours 35 minutes before

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The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 19, 4:26 AM CDT	Severe Thunderstorm Warning	PAH	Ballard, Carlisle	64 min
Jun 19, 4:36 AM CDT	Flash Flood Warning	PAH	Ballard, Carlisle, Crittenden, Fulton, Graves, Hickman and 2 more	3 hr
Jun 19, 4:41 AM CDT	Severe Thunderstorm Warning	PAH	Henderson, Union	49 min
Jun 19, 4:43 AM CDT	Severe Thunderstorm Warning	PAH	Ballard, Carlisle, Crittenden, Livingston, Lyon, McCracken	47 min
Jun 19, 5:00 AM CDT	Severe Thunderstorm Warning	PAH	Ballard, Carlisle, Fulton, Hickman	30 min
Jun 19, 5:09 AM CDT	Areal Flood Advisory	PAH	Daviess, Henderson, Hopkins, McLean, Muhlenberg, Union and 1 more	111 min
Jun 19, 5:20 AM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Daviess, Henderson, Hopkins, McLean, Muhlenberg and 2 more	55 min
Jun 19, 5:27 AM CDT	Severe Thunderstorm Warning	PAH	Ballard, Carlisle, Hickman	33 min
Jun 19, 4:15 PM CDT	Severe Thunderstorm Warning	PAH	Ballard	30 min
Jun 19, 4:44 PM CDT	Severe Thunderstorm Warning	PAH	Ballard	31 min
Jun 19, 5:03 PM CDT	Severe Thunderstorm Warning	PAH	Ballard, McCracken	42 min
Jun 19, 3:00 AM CDT	Severe Thunderstorm Warning	PAH	Jackson, Perry	45 min
Jun 19, 3:28 AM CDT	Tornado Warning	PAH	Perry	32 min
Jun 19, 3:41 AM CDT	Severe Thunderstorm Warning	PAH	Franklin, Hamilton, Jackson, Jefferson, Perry, Saline and 2 more	49 min
Jun 19, 3:41 AM CDT	Severe Thunderstorm Warning	PAH	Alexander, Jackson, Johnson, Union	64 min
Jun 19, 3:51 AM CDT	Severe Thunderstorm Warning	PAH	Alexander	39 min
Jun 19, 4:09 AM CDT	Areal Flood Advisory	PAH	Edwards, Franklin, Hamilton, Jefferson, Perry, Wabash and 2 more	3 hr
Jun 19, 4:11 AM CDT	Severe Thunderstorm Warning	PAH	Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 2 more	49 min
Jun 19, 4:11 AM CDT	Tornado Warning	PAH	Franklin, Hamilton, Jefferson	16 min
Jun 19, 4:21 AM CDT	Severe Thunderstorm Warning	PAH	Franklin, Gallatin, Hamilton, Jefferson, Saline, Wayne and 2 more	39 min
Jun 19, 5:01 AM CDT	Severe Thunderstorm Warning	PAH	Edwards, Wabash, Wayne	44 min
Jun 19, 5:26 AM CDT	Severe Thunderstorm Warning	PAH	Wabash	49 min
Jun 19, 4:03 AM CDT	Tornado Warning	PAH	Bollinger, Cape Girardeau, Scott, Stoddard, Wayne	42 min

Nearby

Flash Flood Watches in Kentucky, 2011 Flash Flood Watches in Illinois, 2011 Flash Flood Watches in Missouri, 2011 Every flash flood watch in 2011

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.