Alert archive / Ohio / Mesoscale Discussions in 2005

Mesoscale Discussion 860

May 13, 20054 counties in Indiana; 8 counties in Michigan; 38 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at May 13, 2005, 3:28 PM EDT for 4 counties in Indiana; 8 counties in Michigan; 38 counties in Ohio. It was in force for 62 min.

The area

The outline as issued.

The facts

Issued
May 13, 2005, 3:28 PM EDT (19:28 UTC)
Expired
May 13, 2005, 4:30 PM EDT
In force
62 min
Issued by
the Storm Prediction Center
All 50 counties

Dearborn County, IN, Franklin County, IN, Union County, IN, Wayne County, IN, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Monroe County, MI, Oakland County, MI, Saint Clair County, MI, Washtenaw County, MI, Wayne County, MI, Allen County, OH, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Crawford County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Erie County, OH, Franklin County, OH, Fulton County, OH, Greene County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Huron County, OH, Logan County, OH, Lucas County, OH, Madison County, OH, Marion County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Ottawa County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Warren County, OH, Wood County, OH, Wyandot County, OH

The radar

The Cincinnati radar (KILN), 152 km from the middle of the area, began a volume at 19:30 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.5 hours before the alert went out and 151 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 2005-05-13Temperature 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, Cncnati-Daytn, OH at 12:00Z on 2005-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1302 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
May 13, 1:20 PM EDTMesoscale DiscussionSPCBenton, Carroll, Cass, Elkhart, Fulton, Jasper and 17 more85 min
May 13, 1:41 PM EDTMesoscale DiscussionSPCBrown, Clark, Crawford, Daviess, Dubois, Floyd and 21 more2 hr
May 13, 1:50 PM EDTSevere Thunderstorm WatchSPCAdams, Allen, Bartholomew, Benton, Blackford, Boone and 68 more7 hr
May 13, 2:20 PM EDTSevere Thunderstorm WatchSPCCrawford, Daviess, Dubois, Floyd, Gibson, Harrison and 11 more7 hr
May 13, 3:40 PM EDTSevere Thunderstorm WatchSPCDearborn, Ohio, Switzerland, Union7 hr
May 13, 5:47 PM EDTMesoscale DiscussionSPCAdams, Allen, Bartholomew, Benton, Blackford, Boone and 86 more88 min
May 13, 6:30 PM EDTSevere Thunderstorm WatchSPCAshland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 23 more6 hr

Nearby

Mesoscale Discussions in Ohio, 2005Mesoscale Discussions in Michigan, 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.