Alert archive / Ohio / Areal Flood Warnings in 2012

Areal Flood Warning 3, NWS Wilmington, OH

January 26, 201210 counties in Ohio; Union County, Wayne County, Indiana

NWS Wilmington, OH issued this areal flood warning at Jan 26, 2012, 10:14 PM EST for 10 counties in Ohio; Union County, Wayne County, Indiana. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 26, 2012, 10:14 PM EST (03:14 UTC)
Expired
Jan 27, 2012, 4:15 AM EST
In force
6 hr
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Flood severity
None

Counties Union County, IN, Wayne County, IN, Champaign County, OH, Clark County, OH, Darke County, OH, Greene County, OH, Hardin County, OH, Logan County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Shelby County, OH

The radar

The Cincinnati radar (KILN), 76 km from the middle of the area, began a volume at 03:16 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, 3.2 hours before the alert went out and 353 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 2012-01-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-01-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 371 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
473 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
371 m²/s²
0-3 km storm-relative helicity
325 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 areal flood warning 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 areal flood warning went out at Jan 26, 10:08 PM EST, 6 minutes earlier.

Area forecast discussion, Jan 26, 10:08 PM EST, 6 minutes before
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Hazardous weather outlook, Jan 26, 7:12 PM EST, 3 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
712 PM EST THU JAN 26 2012

INZ050-058-059-066-OHZ026-034-035-042>046-051>054-060>062-280015-
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-HARDIN-MERCER-AUGLAIZE-DARKE-
SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON-PREBLE-
MONTGOMERY-GREENE-
712 PM EST THU JAN 26 2012

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

.DAY ONE...TONIGHT.

RAIN WILL CHANGE TO SNOW OVERNIGHT AS COLDER AIR FILTERS INTO THE
REGION BEHIND A DEPARTING LOW PRESSURE SYSTEM. AN INCH OR LESS
OF SNOW ACCUMULATION WILL BE POSSIBLE...ESPECIALLY ON GRASSY
SURFACES.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

INZ073>075-080-KYZ089>100-OHZ055-056-063>065-070>074-077>082-088-
280015-
RIPLEY-DEARBORN-OHIO-SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-
CAMPBELL-OWEN-GRANT-PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-
FRANKLIN OH-LICKING-FAYETTE OH-PICKAWAY-FAIRFIELD-BUTLER-WARREN-
CLINTON-ROSS-HOCKING-HAMILTON-CLERMONT-BROWN-HIGHLAND-ADAMS-PIKE-
SCIOTO-
712 PM EST THU JAN 26 2012

...FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

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

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLOOD WATCH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jan 26, 4:41 PM EST, 5 hours 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
441 PM EST THU JAN 26 2012

INZ050-058-059-066-073>075-KYZ091>093-OHZ026-034-035-042>046-
051>056-060>063-070>072-077-078-270200-
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO-BOONE-
KENTON-CAMPBELL-HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-
UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON-FRANKLIN OH-
LICKING-PREBLE-MONTGOMERY-GREENE-FAYETTE OH-BUTLER-WARREN-CLINTON-
HAMILTON-CLERMONT-
INCLUDING THE CITIES OF...RICHMOND...CONNERSVILLE...LIBERTY...
BROOKVILLE...VERSAILLES...LAWRENCEBURG...RISING SUN...
BURLINGTON...INDEPENDENCE...ALEXANDRIA...KENTON...CELINA...
WAPAKONETA...GREENVILLE...SIDNEY...BELLEFONTAINE...MARYSVILLE...
DELAWARE...PIQUA...URBANA...SPRINGFIELD...LONDON...COLUMBUS...
NEWARK...EATON...DAYTON...XENIA...WASHINGTON COURT HOUSE...
HAMILTON...LEBANON...WILMINGTON...CINCINNATI...MILFORD
441 PM EST THU JAN 26 2012

...PATCHY DENSE FOG TO CONTINUE INTO THE EVENING...

AREAS OF FOG WILL CONTINUE INTO THE EVENING HOURS...GENERALLY NEAR
AND NORTHWEST OF INTERSTATE 71. THE LOWEST VISIBILITIES WILL BE
LOCATED IN THE WHITEWATER VALLEY OF INDIANA AND CENTRAL PORTIONS
OF THE MIAMI VALLEY OF OHIO.

VISIBILITIES OF LESS THAN ONE MILE WILL BE COMMON...WITH LOCALIZED
PATCHES OF DENSE FOG DROPPING THE VISIBILITY TO A QUARTER OF A MILE
OR LESS AT TIMES. AS WINDS INCREASE LATER THIS EVENING AND INTO
THE OVERNIGHT HOURS...VISIBILITIES SHOULD GRADUALLY IMPROVE.

MOTORISTS ARE URGED TO USE CAUTION WHEN TRAVELING THIS EVENING.
ALLOW EXTRA TIME TO REACH YOUR DESTINATION. REMEMBER TO USE YOUR
LOW BEAM LIGHTS WHEN DRIVING THROUGH DENSE FOG.
Local storm report, Jan 26, 10:14 PM EST, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
1014 PM EST THU JAN 26 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1005 PM     HEAVY RAIN       LIBERTY TOWNSHIP        39.40N 84.41W
01/26/2012  M1.53 INCH       BUTLER             OH   PUBLIC

            STORM TOTAL SO FAR.

1009 PM     HEAVY RAIN       3 SSE BEAVERCREEK       39.69N 84.04W
01/26/2012  M1.36 INCH       GREENE             OH   PUBLIC

            1.36 STORM TOTAL. 0.23 IN PAST HOUR.

&&

SNYDER

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 26, 7:07 PM ESTAreal Flood AdvisoryILNButler, Clermont, Clinton, Hamilton, Warren2 hr
Jan 26, 8:19 PM ESTAreal Flood AdvisoryILNChampaign, Clark, Darke, Greene, Hardin, Logan and 4 more6 hr
Jan 26, 8:33 PM ESTRiver Flood WarningILNHamilton32 hr
Jan 26, 8:50 PM ESTRiver Flood WarningILNPickaway3 days
Jan 26, 9:21 PM ESTAreal Flood WarningILNButler, Clermont, Clinton, Hamilton, Warren6 hr
Jan 26, 10:27 PM ESTAreal Flood AdvisoryILNAdams, Brown, Highland, Pike, Scioto6 hr
Jan 26, 10:33 PM ESTAreal Flood AdvisoryILNDelaware, Fairfield, Fayette, Franklin, Hocking, Licking and 4 more6 hr
Jan 27, 1:22 AM ESTAreal Flood WarningILNDarke, Greene, Miami, Montgomery, Preble, Warren27 hr
Jan 27, 1:56 AM ESTRiver Flood AdvisoryILNDelaware, Franklin5 hr
Jan 27, 2:00 AM ESTRiver Flood WarningILNPike, Scioto3 days
Jan 27, 3:19 AM ESTRiver Flood AdvisoryILNLicking7 hr
Jan 27, 6:31 AM ESTRiver Flood WarningILNHocking22 hr

Nearby

Areal Flood Warnings in Ohio, 2012Areal Flood Warnings in Indiana, 2012Every areal flood warning in 2012

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.