Alert archive / Ohio / Mesoscale Discussions in 2010

Mesoscale Discussion 481

May 5, 20109 counties in Indiana; Monroe County, Wayne County, Michigan; 29 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at May 5, 2010, 2:52 PM EDT for 9 counties in Indiana; Monroe County, Wayne County, Michigan; 29 counties in Ohio. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued
May 5, 2010, 2:52 PM EDT (18:52 UTC)
Expired
May 5, 2010, 4:45 PM EDT
In force
113 min
Issued by
the Storm Prediction Center
All 40 counties

Adams County, IN, Blackford County, IN, Delaware County, IN, Grant County, IN, Huntington County, IN, Jay County, IN, Madison County, IN, Randolph County, IN, Wells County, IN, Monroe County, MI, Wayne County, MI, Allen County, OH, Auglaize County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Defiance County, OH, Erie County, OH, Fulton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Huron County, OH, Lake County, OH, Logan County, OH, Lorain County, OH, Lucas County, OH, Marion County, OH, Medina County, OH, Mercer County, OH, Ottawa County, OH, Paulding County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Van Wert County, OH, Wood County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 95 km from the middle of the area, began a volume at 19:07 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

Detroit, MI (KDTX), launched 12:00Z, 6.9 hours before the alert went out and 130 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, Detroit, MI at 12:00Z on 2010-05-05Temperature 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, Detroit, MI at 12:00Z on 2010-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 square meters per square second.19395878Sfc1 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
1931 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
126 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 5, 3:48 PM EDTSevere Thunderstorm WatchSPCAdams, Allen, Bartholomew, Blackford, Boone, Brown and 43 more6 hr
May 5, 7:09 PM EDTMesoscale DiscussionSPCBartholomew, Blackford, Brown, Decatur, Delaware, Fayette and 16 more96 min

Nearby

Mesoscale Discussions in Ohio, 2010Mesoscale Discussions in Indiana, 2010Mesoscale Discussions in Michigan, 2010Every mesoscale discussion 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.