Alert archive / Indiana / Mesoscale Discussions in 2004

Mesoscale Discussion 890

May 25, 200434 counties in Indiana; 34 counties in Kentucky; 20 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at May 25, 2004, 4:23 AM EST for 34 counties in Indiana; 34 counties in Kentucky; 20 counties in Ohio. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued
May 25, 2004, 4:23 AM EST (09:23 UTC)
Expired
May 25, 2004, 6:00 AM EST
In force
97 min
Issued by
the Storm Prediction Center
All 88 counties

Bartholomew County, IN, Blackford County, IN, Clark County, IN, Crawford County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Grant County, IN, Hancock County, IN, Harrison County, IN, Henry County, IN, Jackson County, IN, Jay County, IN, Jefferson County, IN, Jennings County, IN, Lawrence County, IN, Madison County, IN, Martin County, IN, Ohio County, IN, Orange County, IN, Perry County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Switzerland County, IN, Union County, IN, Washington County, IN, Wayne County, IN, Anderson County, KY, Bath County, KY, Boone County, KY, Bourbon County, KY, Bracken County, KY, Bullitt County, KY, Campbell County, KY, Carroll County, KY, Clark County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Harrison County, KY, Henry County, KY, Jefferson County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Meade County, KY, Menifee County, KY, Montgomery County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Rowan County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Fayette County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Logan County, OH, Madison County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Shelby County, OH, Union County, OH, Warren County, OH

The radar

The Indianapolis radar (KIND), 122 km from the middle of the area, began a volume at 09:25 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, 9.4 hours before the alert went out and 129 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 2004-05-25Temperature 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 00:00Z on 2004-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
1930 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
87 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 25, 3:00 AM ESTSevere Thunderstorm WatchSPCBartholomew, Blackford, Boone, Brown, Clark, Clay and 58 more3 hr
May 25, 9:19 AM ESTMesoscale DiscussionSPCClark, Crawford, Daviess, Dearborn, Dubois, Floyd and 20 more86 min
May 25, 2:39 PM ESTMesoscale DiscussionSPCGibson, Pike, Posey, Vanderburgh, Warrick96 min
May 25, 3:00 PM ESTSevere Thunderstorm WatchSPCDaviess, Gibson, Knox, Pike, Posey, Spencer and 3 more6 hr
May 25, 4:02 PM ESTMesoscale DiscussionSPCBartholomew, Brown, Clark, Crawford, Dearborn, Decatur and 16 more58 min
May 25, 4:30 PM ESTSevere Thunderstorm WatchSPCClark, Crawford, Dubois, Floyd, Greene, Harrison and 14 more6 hr
May 25, 5:03 PM ESTMesoscale DiscussionSPCDaviess, Gibson, Greene, Knox, Pike, Posey and 3 more87 min
May 25, 11:54 AM ESTMesoscale DiscussionSPCAshland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 42 more96 min
May 25, 12:30 PM ESTSevere Thunderstorm WatchSPCAthens, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 22 more7 hr
May 25, 2:57 PM ESTMesoscale DiscussionSPCAthens, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 21 more63 min

Nearby

Mesoscale Discussions in Indiana, 2004Mesoscale Discussions in Kentucky, 2004Mesoscale Discussions in Ohio, 2004Every mesoscale discussion in 2004

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.