Alert archive / Ohio / Flood Watches in 2007

Flood Watch 4, NWS Wilmington, OH

March 14, 200730 counties in Ohio; Boone County, Campbell County, Kenton County, Kentucky; 8 counties in Indiana

NWS Wilmington, OH issued this flood watch at Mar 14, 2007, 8:54 PM EDT for 30 counties in Ohio; Boone County, Campbell County, Kenton County, Kentucky; 8 counties in Indiana. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Mar 14, 2007, 8:54 PM EDT (00:54 UTC)
Expired
Mar 15, 2007, 12:00 PM EDT
In force
15 hr
Issued by
NWS Wilmington, OH
Flood severity
None
All 41 counties

Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Campbell County, KY, Kenton County, KY, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Highland County, OH, Hocking County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Shelby County, OH, Union County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 31 km from the middle of the area, began a volume at 00:54 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

Pittsburgh, PA (KPIT), launched 00:00Z, 0.9 hours before the alert went out and 346 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, Pittsburgh, PA at 00:00Z on 2007-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 350 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, Pittsburgh, PA at 00:00Z on 2007-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 221 square meters per square second.193958Sfc1 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
350 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
221 m²/s²
0-3 km storm-relative helicity
239 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this 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 flood watch went out at Mar 14, 7:54 PM EDT, 1 hour earlier.

Area forecast discussion, Mar 14, 7:54 PM EDT, 1 hour before
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Hazardous weather outlook, Mar 14, 4:09 PM EDT, 4 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
409 PM EDT WED MAR 14 2007

INZ050-058-059-OHZ026-034-035-042>046-051>056-060>065-074-151000-
WAYNE-FAYETTE IN-UNION IN-HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-
UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON-FRANKLIN OH-LICKING-
PREBLE-MONTGOMERY-GREENE-FAYETTE OH-PICKAWAY-FAIRFIELD-HOCKING-
409 PM EDT WED MAR 14 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL
INDIANA...CENTRAL OHIO...MIAMI VALLEY OF OHIO AND WEST CENTRAL OHIO.

.DAY ONE...TONIGHT

THUNDERSTORMS WILL DEVELOP AHEAD OF A COLD FRONT THIS EVENING AND
OVERNIGHT. THERE IS A SLIGHT CHANCE SOME OF THESE STORMS COULD BE
SEVERE...WITH DAMAGING WINDS THE PRIMARY THREATS. LARGE HAIL IS
ALSO POSSIBLE. SOME OF THE STORMS MAY PRODUCE HEAVY RAINFALL
OVERNIGHT...WITH SOME LOCALIZED FLOODING POSSIBLE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
SHOWERS WILL CONTINUE ACROSS THE REGION THROUGH MIDDAY...WITH RAIN
DIMINISHING IN COVERAGE AND INTENSITY THROUGH THE AFTERNOON AND
EVENING. RAIN MAY BE HEAVY THROUGHOUT THE MORNING...WITH SOME
ADDITIONAL LOWLAND FLOODING POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON AND
EVENING.

INZ066-073>075-080-KYZ089>100-OHZ070>073-077>082-088-151000-
FRANKLIN IN-RIPLEY-DEARBORN-OHIO-SWITZERLAND-CARROLL-GALLATIN-BOONE-
KENTON-CAMPBELL-OWEN-GRANT-PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-
BUTLER-WARREN-CLINTON-ROSS-HAMILTON-CLERMONT-BROWN-HIGHLAND-ADAMS-
PIKE-SCIOTO-
409 PM EDT WED MAR 14 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST INDIANA...NORTHEAST
KENTUCKY...NORTHERN KENTUCKY...CENTRAL OHIO...SOUTH CENTRAL OHIO
AND SOUTHWEST OHIO.

.DAY ONE...TONIGHT

A COLD FRONT WILL MOVE SOUTH INTO THE OHIO VALLEY OVERNIGHT.
SHOWERS AND ISOLATED THUNDERSTORMS WILL AFFECT THE REGION INTO
THIS EVENING. A FEW OF THESE STORMS MAY BECOME STRONG TO SEVERE
WITH LARGE HAIL THE PRIMARY THREAT. MORE WIDESPREAD SHOWERS AND
THUNDERSTORMS WILL MOVE INTO SOUTHERN INDIANA AND OHIO AND
NORTHERN KENTUCKY LATE TONIGHT AS THE COLD FRONT DROPS SOUTH INTO
THE REGION.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SHOWERS AND THUNDERSTORMS WILL CONTINUE ON THURSDAY AS THE FRONT
MOVES SLOWLY ACROSS THE REGION. RAIN MAY BE HEAVY AT TIMES...WITH
LOCALIZED FLOODING POSSIBLE. THE RAIN SHOULD BEGIN TO DIMINISH IN
COVERAGE AND INTENSITY FROM THE NORTH DURING THE EVENING HOURS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON AND EVENING.

RYAN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 6:05 AM EDTWinter Weather AdvisoryILNAuglaize, Delaware, Hardin, Licking, Logan, Mercer and 2 more5 hr

Nearby

Flood Watches in Ohio, 2007Flood Watches in Indiana, 2007Flood Watches in Kentucky, 2007Every flood watch in 2007

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.