Alert archive / Kentucky / Flash Flood Watches in 2017

Flash Flood Watch 1, NWS Jackson, KY

February 28, 20177 counties in Kentucky

NWS Jackson, KY issued this flash flood watch at Feb 28, 2017, 11:28 AM EST for 7 counties in Kentucky. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued: Feb 28, 2017, 11:28 AM EST (16:28 UTC)
Expired: Mar 1, 2017, 10:38 AM EST
In force: 23 hr
Issued by: NWS Jackson, KY
Flood severity: None

Counties Bath County, KY, Elliott County, KY, Fleming County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Rowan County, KY

The radar

The Jackson,KY radar (KJKL), 60 km from the middle of the area, began a volume at 16:31 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, 4.5 hours before the alert went out and 149 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: 1201 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 307 m²/s²
0-3 km storm-relative helicity: 253 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 Jackson, KY wrote its last area forecast discussion before this flash flood watch went out at Feb 28, 10:55 AM EST, 33 minutes earlier.

Area forecast discussion, Feb 28, 10:55 AM EST, 33 minutes before

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Hazardous weather outlook, Feb 28, 3:54 AM EST, 7 hours 34 minutes before

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In the hours before

Special weather statement, Feb 28, 10:48 AM EST, 40 minutes before

Special Weather Statement
National Weather Service Wilmington OH
Issued by National Weather Service Wilmington OH
1048 AM EST TUE FEB 28 2017

KYZ044-050>052-058>060-104-106-281645-
Rowan KY-Montgomery KY-Elliott KY-Menifee KY-Estill KY-Morgan KY-
Bath KY-Fleming KY-Powell KY-
1048 AM EST TUE FEB 28 2017

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN POWELL...
MONTGOMERY...NORTHWESTERN MORGAN...BATH...NORTHWESTERN ESTILL...
CENTRAL MENIFEE...SOUTHEASTERN FLEMING...ROWAN AND NORTHWESTERN
ELLIOTT COUNTIES UNTIL 1145 AM EST...

At 1047 AM EST, radar indicated strong thunderstorms along a line
extending from near Muses Mills to Reynoldsville to near Winchester,
moving east at 45 mph.

STORM HAZARDS INCLUDE...
Winds to 30 mph...
Very heavy rain...

Locations impacted include...
Mount Sterling, Morehead, Stanton, Owingsville, Frenchburg, Marshall,
Jeffersonville, Camargo, Clay City, Salt Lick, Levee, Cornwell,
Elliottville, Kimbrell, Rothwell, Christy, Hilda, Bourbon Furnace,
Fagan and Bangor.

Water will pond on roads and may quickly fill roadside ditches and
small streams.

To report hazardous weather conditions, go to our website at
weather.gov/iln and submit your report via social media, when you can
do so safely.

LAT...LON 3839 8340 3832 8334 3821 8330 3819 8326
      3820 8323 3827 8318 3819 8306 3820 8301
      3772 8404 3784 8410 3785 8408 3782 8407
      3785 8406 3783 8401 3787 8403 3786 8401
      3793 8397 3810 8407 3839 8346
TIME...MOT...LOC 1547Z 248DEG 66KT 3840 8353 3819 8385 3803 8419

AR

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 10:48 AM EST	Special Weather Statement	JKL	Bath, Menifee, Montgomery, Rowan	57 min
Feb 28, 11:35 AM EST	Special Weather Statement	JKL	Elliott, Menifee, Morgan	55 min

Nearby

Flash Flood Watches in Kentucky, 2017 Every flash flood watch in 2017

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.