Alert archive / Kentucky / Flash Flood Watches in 2014

Flash Flood Watch 7, NWS Wilmington, OH

May 29, 20147 counties in Ohio; 12 counties in Kentucky; 4 counties in Indiana

NWS Wilmington, OH issued this flash flood watch at May 29, 2014, 1:50 PM EDT for 7 counties in Ohio; 12 counties in Kentucky; 4 counties in Indiana. It took effect at May 29, 2014, 2:00 PM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: May 29, 2014, 1:50 PM EDT (17:50 UTC)
In effect from: May 29, 2014, 2:00 PM EDT
Expired: May 29, 2014, 6:52 PM EDT
In force: 5 hr
Issued by: NWS Wilmington, OH
Flood severity: None

All 23 counties

Dearborn County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Adams County, OH, Brown County, OH, Clermont County, OH, Hamilton County, OH, Highland County, OH, Pike County, OH, Scioto County, OH

The radar

The Cincinnati radar (KILN), 75 km from the middle of the area, began a volume at 17:51 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, 5.8 hours before the alert went out and 77 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: 231 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 957 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 46 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 Wilmington, OH wrote its last area forecast discussion before this flash flood watch went out at May 29, 1:41 PM EDT, 9 minutes earlier.

Area forecast discussion, May 29, 1:41 PM EDT, 9 minutes before

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Hazardous weather outlook, May 29, 2:53 AM EDT, 10 hours 57 minutes before

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In the hours before

Special weather statement, May 29, 1:33 PM EDT, 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
133 PM EDT THU MAY 29 2014

KYZ093-OHZ077-078-291815-
CAMPBELL KY-HAMILTON OH-CLERMONT OH-
133 PM EDT THU MAY 29 2014

...STRONG THUNDERSTORMS WILL AFFECT WESTERN CLERMONT...EASTERN
HAMILTON AND CAMPBELL COUNTIES THROUGH 215 PM EDT...

AT 125 PM EDT...RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS
OVER EASTERN HAMILTON COUNTY...MOVING VERY SLOWLY TO THE SOUTHEAST.

THESE STORMS WILL BE CAPABLE OF PRODUCING HEAVY AND PROLONGED
RAINFALL. WIND GUSTS TO 40 MPH AND PEA SIZE HAIL ARE ALSO POSSIBLE.

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...
MILFORD...ANDERSON TOWNSHIP...FORT THOMAS...MARIEMONT...
LUNKEN AIRPORT...INDIAN HILL...TURPIN HILLS...NEWTOWN...
MADEIRA...KENWOOD...AMBERLEY...SUMMERSIDE...
MOUNT CARMEL...NORWOOD...RIVERBEND AND CONEY ISLAND.

LAT...LON 3921 8420 3910 8418 3899 8426 3904 8446
      3913 8453 3928 8448

HATZOS

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 28, 8:04 PM EDT	Special Weather Statement	ILN	Ross	26 min
May 28, 8:17 PM EDT	Areal Flood Advisory	ILN	Hardin	118 min
May 29, 1:33 PM EDT	Special Weather Statement	ILN	Hamilton	42 min
May 29, 2:02 PM EDT	Areal Flood Advisory	ILN	Clermont, Hamilton	3 hr
May 29, 2:13 PM EDT	Flash Flood Warning	ILN	Hamilton	2 hr
May 29, 2:52 PM EDT	Areal Flood Advisory	ILN	Brown, Highland	3 hr
May 29, 3:16 PM EDT	Areal Flood Advisory	ILN	Butler	3 hr
May 29, 4:03 PM EDT	Areal Flood Advisory	ILN	Scioto	117 min
May 29, 5:42 PM EDT	Areal Flood Advisory	ILN	Ross	3 hr

Nearby

Flash Flood Watches in Kentucky, 2014 Flash Flood Watches in Ohio, 2014 Flash Flood Watches in Indiana, 2014 Every flash flood watch in 2014

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.