Alert archive / Ohio / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 9, NWS Wilmington, OH

April 5, 20104 counties in Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Apr 5, 2010, 8:08 PM EDT for 4 counties in Ohio. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 5, 2010, 8:08 PM EDT (00:08 UTC)
Expired
Apr 5, 2010, 8:48 PM EDT
In force
40 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon

Counties Clinton County, OH, Fayette County, OH, Highland County, OH, Ross County, OH

The radar

The Cincinnati radar (KILN), 30 km from the middle of the area, began a volume at 00:11 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, 0.1 hours before the alert went out and 28 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 2010-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1181 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, Cncnati-Daytn, OH at 00:00Z on 2010-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
1181 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1305 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Apr 5, 7:55 PM EDT, 13 minutes earlier.

Area forecast discussion, Apr 5, 7:55 PM EDT, 13 minutes before
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Hazardous weather outlook, Apr 5, 5:38 PM EDT, 2 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
538 PM EDT MON APR 5 2010

INZ050-058-059-KYZ097>100-OHZ026-034-035-042>046-051>056-060>065-
070>074-078>082-088-062145-
WAYNE-FAYETTE IN-UNION IN-BRACKEN-ROBERTSON-MASON-LEWIS-HARDIN-
MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-
CLARK-MADISON-FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-
FAYETTE OH-PICKAWAY-FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING-
CLERMONT-BROWN-HIGHLAND-ADAMS-PIKE-SCIOTO-
538 PM EDT MON APR 5 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL
INDIANA...NORTHEAST KENTUCKY...NORTHERN KENTUCKY...CENTRAL
OHIO...MIAMI VALLEY OF OHIO...SOUTH CENTRAL OHIO...SOUTHWEST OHIO
AND WEST CENTRAL OHIO.

.DAY ONE...TONIGHT.

A BOUNDARY WILL MOVE NORTH THROUGH THE REGION THIS AFTERNOON AND
EARLY TONIGHT. THUNDERSTORMS MAY DEVELOP AS THE BOUNDARY MOVES
NORTH. A FEW OF THESE STORMS MAY PRODUCE STRONG WINDS AND HAIL.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

INZ066-073>075-080-KYZ089>096-OHZ077-062145-
FRANKLIN IN-RIPLEY-DEARBORN-OHIO-SWITZERLAND-CARROLL-GALLATIN-BOONE-
KENTON-CAMPBELL-OWEN-GRANT-PENDLETON-HAMILTON-
538 PM EDT MON APR 5 2010

...TORNADO WATCH 50 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST INDIANA...NORTHERN
KENTUCKY 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.

   TORNADO WATCH.

A BOUNDARY WILL MOVE NORTH THROUGH THE REGION THIS AFTERNOON AND
EARLY TONIGHT. THUNDERSTORMS MAY DEVELOP AS THE BOUNDARY MOVES
NORTH. A FEW OF THESE STORMS MAY PRODUCE STRONG
WINDS...HAIL....AND POSSIBLY TORNADOS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

In the hours before

Special weather statement, Apr 5, 5:27 PM EDT, 2 hours 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
527 PM EDT MON APR 5 2010

KYZ094>096-052200-
GRANT KY-PENDLETON KY-OWEN KY-
527 PM EDT MON APR 5 2010

...A STRONG THUNDERSTORM WILL AFFECT EASTERN OWEN...SOUTHERN
PENDLETON AND SOUTHERN GRANT COUNTIES THROUGH 600 PM EDT...

AT 524 PM EDT...A STORM SPOTTER REPORTED HALF INCH HAIL 4 MILES EAST
OF OWENTON. RADAR INDICATED THE STRONG THUNDERSTORM PRODUCING THIS
HAIL WAS MOVING EAST AT 30 MPH.

THIS STORM MAY CONTINUE TO PRODUCE UP TO DIME SIZE HAIL.

IN ADDITION...HEAVY RAIN CAN BE EXPECTED WITH THIS STORM.

THE STRONG THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF EASTERN
OWEN...SOUTHERN GRANT AND SOUTHERN PENDLETON COUNTIES...INCLUDING NEW
COLUMBUS...LAWRENCEVILLE...KEEFER...CORINTH...CHERRY GROVE...
CORDOVA...CAMP NORTHWARD...MARCUS...MORGAN AND MCKINNEYSBURG.

WATER WILL POND ON ROADS AND MAY QUICKLY FILL ROADSIDE DITCHES AND
SMALL STREAMS.

RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT. IF THIS STORM BECOMES
STRONGER...THEN A WARNING MAY BE NEEDED.
Local storm report, Apr 5, 7:17 PM EDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
717 PM EDT MON APR 05 2010

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

0650 PM     HAIL             MOUNT OLIVET            38.53N 84.04W
04/05/2010  E0.88 INCH       ROBERTSON          KY   PUBLIC

            TIME IS ESTIMATED

&&

MKURZ
Local storm report, Apr 5, 7:50 PM EDT, 18 minutes before
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Local storm report, Apr 5, 8:02 PM EDT, 6 minutes before
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Local storm report, Apr 5, 8:04 PM EDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
804 PM EDT MON APR 05 2010

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

0753 PM     HAIL             NEW VIENNA              39.32N 83.69W
04/05/2010  M1.25 INCH       CLINTON            OH   PUBLIC

&&

JOHNF

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 8:24 PM EDTSevere Thunderstorm WarningILNFayette, Madison, Pickaway36 min
Apr 5, 8:28 PM EDTSevere Thunderstorm WarningILNClark, Greene, Miami, Montgomery47 min
Apr 5, 8:39 PM EDTSevere Thunderstorm WarningILNDelaware, Franklin, Madison, Pickaway, Union51 min
Apr 5, 9:06 PM EDTSevere Thunderstorm WarningILNChampaign, Clark, Madison39 min
Apr 5, 9:09 PM EDTSevere Thunderstorm WarningILNDelaware, Franklin, Licking51 min
Apr 5, 9:22 PM EDTSevere Thunderstorm WarningILNButler, Montgomery, Warren38 min
Apr 5, 9:35 PM EDTSevere Thunderstorm WarningILNDelaware, Franklin, Licking40 min
Apr 5, 9:46 PM EDTAreal Flood AdvisoryILNFranklin3 hr
Apr 5, 9:53 PM EDTSevere Thunderstorm WarningILNClinton, Highland, Pike, Ross52 min
Apr 5, 9:53 PM EDTSevere Thunderstorm WarningILNButler, Clinton, Greene, Warren37 min
Apr 5, 10:30 PM EDTSevere Thunderstorm WarningILNClinton, Fayette45 min
Apr 5, 10:37 PM EDTSevere Thunderstorm WarningILNPike, Ross, Scioto37 min
Apr 5, 11:27 PM EDTSevere Thunderstorm WarningILNPickaway, Ross33 min
Apr 5, 8:12 PM EDTSevere Thunderstorm WarningILNLewis18 min
Apr 5, 8:16 PM EDTAreal Flood AdvisoryILNGrant, Owen, Pendleton3 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2010Every severe thunderstorm warning in 2010

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.