Alert archive / Ohio / Mesoscale Discussions in 2005

Mesoscale Discussion 1862

July 25, 20057 counties in Indiana; 12 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jul 25, 2005, 1:53 PM EST for 7 counties in Indiana; 12 counties in Ohio. It was in force for 67 min.

The area

The outline as issued.

The facts

Issued
Jul 25, 2005, 1:53 PM EST (18:53 UTC)
Expired
Jul 25, 2005, 3:00 PM EST
In force
67 min
Issued by
the Storm Prediction Center

Counties Adams County, IN, Cass County, IN, Huntington County, IN, Miami County, IN, Pulaski County, IN, Wabash County, IN, Wells County, IN, Ashland County, OH, Auglaize County, OH, Crawford County, OH, Erie County, OH, Hardin County, OH, Huron County, OH, Knox County, OH, Lorain County, OH, Marion County, OH, Mercer County, OH, Morrow County, OH, Richland County, OH

The radar

The Northern Indiana radar (KIWX), 122 km from the middle of the area, began a volume at 18:55 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, 6.9 hours before the alert went out and 177 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 2005-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2602 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 2005-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
2602 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
1086 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 25, 8:53 AM ESTMesoscale DiscussionSPCAdams, Allen, Benton, Blackford, Carroll, Cass and 23 more97 min
Jul 25, 9:25 AM ESTSevere Thunderstorm WatchSPCAdams, Allen, Carroll, Cass, DeKalb, Elkhart and 17 more8 hr
Jul 25, 10:05 AM ESTSevere Thunderstorm WatchSPCBenton, Jasper, Lake, Newton, Porter7 hr
Jul 25, 11:57 AM ESTMesoscale DiscussionSPCAdams, Allen, Cass, DeKalb, Elkhart, Fulton and 12 more93 min
Jul 25, 1:31 PM ESTMesoscale DiscussionSPCLake, Newton89 min
Jul 25, 3:50 PM ESTMesoscale DiscussionSPCBenton, Carroll, Cass, Grant, Huntington, Jasper and 7 more55 min
Jul 24, 10:28 PM ESTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Geauga, Harrison, Jefferson and 4 more92 min
Jul 24, 10:50 PM ESTSevere Thunderstorm WatchSPCAshtabula, Trumbull4 hr
Jul 25, 1:10 PM ESTSevere Thunderstorm WatchSPCBelmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 10 more5 hr
Jul 25, 2:13 PM ESTMesoscale DiscussionSPCAthens, Champaign, Clark, Fairfield, Fayette, Franklin and 7 more92 min
Jul 25, 3:45 PM ESTSevere Thunderstorm WatchSPCAthens, Gallia, Hocking, Lawrence, Meigs, Morgan and 3 more4 hr
Jul 25, 6:09 PM ESTMesoscale DiscussionSPCLawrence66 min

Nearby

Mesoscale Discussions in Ohio, 2005Mesoscale Discussions in Indiana, 2005Every mesoscale discussion in 2005

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.