Alert archive / Ohio / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 210, NWS Wilmington, OH

August 11, 2010Pickaway County, Ross County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Aug 11, 2010, 12:45 PM EDT for Pickaway County, Ross County, Ohio. It was in force for 28 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
Aug 11, 2010, 12:45 PM EDT (16:45 UTC)
Expired
Aug 11, 2010, 1:13 PM EDT
In force
28 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon

Counties Pickaway County, OH, Ross County, OH

The radar

The Cincinnati radar (KILN), 68 km from the middle of the area, began a volume at 16:46 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 12:00Z, 4.8 hours before the alert went out and 66 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 12:00Z on 2010-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2143 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 12:00Z on 2010-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
2143 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
995 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 11:39 AM EDTSpecial Weather StatementILNFranklin66 min
Aug 11, 12:31 PM EDTSpecial Weather StatementILNFairfield, Hocking, Pickaway74 min
Aug 11, 12:35 PM EDTSevere Thunderstorm WarningILNFairfield, Hocking55 min
Aug 11, 1:34 PM EDTSevere Thunderstorm WarningILNButler56 min
Aug 11, 1:44 PM EDTAreal Flood AdvisoryILNBrown, Clinton, Highland, Ross, Warren100 min
Aug 11, 2:16 PM EDTSevere Thunderstorm WarningILNButler, Hamilton44 min
Aug 11, 3:00 PM EDTSpecial Weather StatementILNBrown, Clermont60 min
Aug 11, 4:28 PM EDTExcessive Heat WarningILNAdams, Brown, Hamilton, Pike, Scioto27 hr
Aug 11, 4:28 PM EDTHeat AdvisoryILNButler, Clermont, Clinton, Fairfield, Fayette, Greene and 7 more27 hr
Aug 11, 4:38 PM EDTAreal Flood AdvisoryILNAdams, Brown, Scioto2 hr
Aug 11, 7:25 PM EDTSpecial Weather StatementILNHardin50 min
Aug 11, 3:29 PM EDTSpecial Weather StatementILNCarroll, Gallatin, Grant, Owen91 min
Aug 11, 3:43 PM EDTAreal Flood AdvisoryILNBoone, Carroll, Gallatin, Grant, Owen3 hr
Aug 11, 4:24 PM EDTSpecial Weather StatementILNOwen36 min
Aug 11, 1:11 PM EDTSpecial Weather StatementILNFayette, Franklin, Ripley94 min

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.