Alert archive / Kentucky / Flash Flood Watches in 2014

Flash Flood Watch 2, NWS Wilmington, OH

April 28, 2014Clermont County, Hamilton County, Ohio; 10 counties in Kentucky; Ohio County, Switzerland County, Indiana

NWS Wilmington, OH issued this flash flood watch at Apr 28, 2014, 8:41 PM EDT for Clermont County, Hamilton County, Ohio; 10 counties in Kentucky; Ohio County, Switzerland County, Indiana. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Apr 28, 2014, 8:41 PM EDT (00:41 UTC)
Expired
Apr 29, 2014, 5:01 AM EDT
In force
8 hr
Issued by
NWS Wilmington, OH
Flood severity
None

Counties Ohio 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, Owen County, KY, Pendleton County, KY, Robertson County, KY, Clermont County, OH, Hamilton County, OH

The radar

The Cincinnati radar (KILN), 95 km from the middle of the area, began a volume at 00:44 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, 0.7 hours before the alert went out and 347 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-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2014-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1019 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2014-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 335 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
1019 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
789 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
335 m²/s²
0-3 km storm-relative helicity
375 m²/s²
Significant tornado parameter
2.7
Supercell composite
15.6

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 Apr 28, 8:01 PM EDT, 40 minutes earlier.

Area forecast discussion, Apr 28, 8:01 PM EDT, 40 minutes before
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Hazardous weather outlook, Apr 28, 4:28 PM EDT, 4 hours 13 minutes before
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 2:48 AM EDTAreal Flood AdvisoryILNBrown, Clermont3 hr
Apr 29, 3:33 AM EDTSevere Thunderstorm WarningILNAdams, Brown, Highland27 min
Apr 29, 3:45 AM EDTAreal Flood AdvisoryILNAdams, Brown, Clinton, Highland3 hr
Apr 29, 10:25 AM EDTRiver Flood WarningILNAdams9 hr
Apr 29, 5:36 PM EDTSpecial Weather StatementILNPreble24 min
Apr 29, 5:50 PM EDTSpecial Weather StatementILNMercer25 min
Apr 29, 5:57 PM EDTSpecial Weather StatementILNDarke33 min
Apr 29, 6:27 PM EDTSevere Thunderstorm WarningILNClermont, Hamilton33 min
Apr 29, 6:34 PM EDTSevere Thunderstorm WarningILNBrown, Clermont, Highland26 min
Apr 29, 6:47 PM EDTSevere Thunderstorm WarningILNBrown, Butler, Clermont, Clinton, Hamilton, Highland and 1 more43 min
Apr 29, 7:11 PM EDTSevere Thunderstorm WarningILNClark, Fayette, Greene, Madison49 min
Apr 29, 7:39 PM EDTSevere Thunderstorm WarningILNChampaign, Clark, Franklin, Madison, Pickaway51 min
Apr 29, 7:58 PM EDTSevere Thunderstorm WarningILNDelaware, Franklin, Union62 min
Apr 29, 5:30 PM EDTSpecial Weather StatementILNBoone, Campbell, Carroll, Gallatin, Grant, Kenton and 2 more45 min
Apr 29, 5:40 PM EDTSevere Thunderstorm WarningILNCarroll, Gallatin, Grant, Owen35 min
Apr 29, 5:52 PM EDTSevere Thunderstorm WarningILNBoone, Gallatin, Grant, Kenton, Owen38 min
Apr 29, 6:12 PM EDTSevere Thunderstorm WarningILNBoone, Kenton33 min

Nearby

Flash Flood Watches in Kentucky, 2014Flash Flood Watches in Ohio, 2014Flash Flood Watches in Indiana, 2014Every 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.