Alert archive / Kentucky / Flash Flood Watches in 2016

Flash Flood Watch 7, NWS Paducah, KY

July 3, 201622 counties in Kentucky; 14 counties in Illinois

NWS Paducah, KY issued this flash flood watch at Jul 3, 2016, 4:16 AM CDT for 22 counties in Kentucky; 14 counties in Illinois. It took effect at Jul 3, 2016, 4:00 PM CDT. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued: Jul 3, 2016, 4:16 AM CDT (09:16 UTC)
In effect from: Jul 3, 2016, 4:00 PM CDT
Expired: Jul 4, 2016, 3:12 PM CDT
In force: 23 hr
Issued by: NWS Paducah, KY
Flood severity: None

All 36 counties

Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jefferson County, IL, Johnson County, IL, Massac County, IL, Pope County, IL, Saline 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

The radar

The Paducah radar (KPAH), 62 km from the middle of the area, began a volume at 09:17 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, 9.3 hours before the alert went out and 204 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: 1777 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 73 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 Jul 3, 4:00 AM CDT, 16 minutes earlier.

Area forecast discussion, Jul 3, 4:00 AM CDT, 16 minutes before

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Hazardous weather outlook, Jul 2, 4:02 PM CDT, 12 hours 14 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
Jul 3, 2:41 PM CDT	Severe Thunderstorm Warning	PAH	Livingston	49 min
Jul 3, 3:57 PM CDT	Tornado Warning	PAH	Caldwell, Crittenden, Hopkins, Webster	33 min
Jul 3, 4:52 PM CDT	Severe Thunderstorm Warning	PAH	Fulton	38 min
Jul 3, 5:23 PM CDT	Special Weather Statement	PAH	Ballard, Carlisle, McCracken	52 min
Jul 3, 5:53 PM CDT	Special Weather Statement	PAH	Graves	37 min
Jul 3, 6:50 PM CDT	Tornado Warning	PAH	Calloway	25 min
Jul 3, 9:06 AM CDT	River Flood Warning	PAH	Wayne, White	38 hr
Jul 3, 3:12 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Wabash, White	33 min
Jul 3, 3:30 PM CDT	Tornado Warning	PAH	White	30 min
Jul 3, 4:48 PM CDT	Tornado Warning	PAH	Johnson	27 min

Nearby

Flash Flood Watches in Kentucky, 2016 Flash Flood Watches in Illinois, 2016 Every flash flood watch in 2016

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.