Alert archive / Ohio / Special Weather Statements in 2012

Special Weather Statement, NWS Wilmington, OH

May 8, 20125 counties in Ohio; Fayette County, Franklin County, Union County, Indiana

NWS Wilmington, OH issued this special weather statement at May 8, 2012, 3:08 AM EDT for 5 counties in Ohio; Fayette County, Franklin County, Union County, Indiana. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 8, 2012, 3:08 AM EDT (07:08 UTC)
Expired
May 8, 2012, 4:00 AM EDT
In force
52 min
Issued by
NWS Wilmington, OH

Counties Fayette County, IN, Franklin County, IN, Union County, IN, Darke County, OH, Logan County, OH, Miami County, OH, Preble County, OH, Shelby County, OH

The radar

The Cincinnati radar (KILN), 86 km from the middle of the area, began a volume at 07:11 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 00:00Z, 7.1 hours before the alert went out and 86 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, Cncnati-Daytn, OH at 00:00Z on 2012-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 460 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2012-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939Sfc1 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
460 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
1503 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

854 
WWUS81 KILN 080708
SPSILN

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
308 AM EDT TUE MAY 8 2012

INZ050-058-059-066-OHZ026-035-042>045-051>053-060-061-070-080800-
UNION IN-FRANKLIN IN-FAYETTE IN-WAYNE IN-AUGLAIZE OH-BUTLER OH-
CHAMPAIGN OH-CLARK OH-DARKE OH-HARDIN OH-LOGAN OH-MIAMI OH-
MONTGOMERY OH-PREBLE OH-SHELBY OH-UNION OH-
308 AM EDT TUE MAY 8 2012

...A LINE OF SHOWERS WITH MODERATE TO HEAVY RAIN WILL AFFECT 
THE WHITE WATER AND MIAMI VALLEYS AND WEST CENTRAL OHIO THROUGH
4 AM...

AT 302 AM EDT...RADAR INDICATED SHOWERS ALONG A LINE EXTENDING FROM
FRYBURG TO 8 MILES WEST OF BUENA VISTA...MOVING EAST AT 30 MPH.

HEAVY RAIN CAN BE EXPECTED WITH THESE SHOWERS WITH RAINFALL RATES UP 
TO THREE QUARTERS OF AN INCH IN AN HOUR. WATER WILL POND ON ROADS 
AND MAY QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...RICHMOND...NEW
MADISON...ANNA...NEW PARIS...BRADFORD...JACKSON CENTER...ARCANUM...
LAKEVIEW...SIDNEY...COVINGTON...LIBERTY AND RUSSELLS POINT.

ALSO...ST. JOHNS...COLUMBIA...WAYNE LAKES...ANDERSONVILLE...
PHILOMATH...HOUSTON...NULLTOWN AND BLOOMER ARE NEAR THE PATH OF THIS
LINE OF SHOWERS.

LAT...LON 4056 8414 4055 8341 4051 8341 4051 8337
      3937 8478 3937 8530 3960 8531

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 9:05 PM EDTAreal Flood AdvisoryILNFranklin, Licking115 min
May 7, 9:56 PM EDTAreal Flood AdvisoryILNOwen2 hr
May 8, 12:05 AM EDTAreal Flood AdvisoryILNGrant, Owen4 hr
May 8, 12:07 AM EDTAreal Flood AdvisoryILNGrant, Owen4 hr

Nearby

Special Weather Statements in Ohio, 2012Special Weather Statements in Indiana, 2012Every special weather statement 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.