Alert archive / Indiana / Mesoscale Discussions in 2003

Mesoscale Discussion 350

March 28, 20034 states

The Storm Prediction Center issued this mesoscale discussion at Mar 28, 2003, 5:27 PM CST for 4 states. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued
Mar 28, 2003, 5:27 PM CST (23:27 UTC)
Expired
Mar 28, 2003, 7:00 PM CST
In force
93 min
Issued by
the Storm Prediction Center
All 94 counties

Gallatin County, IL, Hardin County, IL, Wabash County, IL, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Clark County, IN, Clay County, IN, Clinton County, IN, Crawford County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Gibson County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Harrison County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jay County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Orange County, IN, Owen County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Spencer County, IN, Sullivan County, IN, Tipton County, IN, Union County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Wayne County, IN, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Edmonson County, KY, Graves County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Henderson County, KY, Hopkins County, KY, Jefferson County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McLean County, KY, Meade County, KY, Muhlenberg County, KY, Ohio County, KY, Oldham County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Trimble County, KY, Union County, KY, Warren County, KY, Webster County, KY, Darke County, OH, Preble County, OH

The radar

The Indianapolis radar (KIND), 87 km from the middle of the area, began a volume at 23:31 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

Nashville Metro, TN (KBNA), launched 12:00Z, 11.5 hours before the alert went out and 312 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, Nashville Metro, TN at 12:00Z on 2003-03-28Temperature 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, Nashville Metro, TN at 12:00Z on 2003-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 243 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
822 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
243 m²/s²
0-3 km storm-relative helicity
251 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
Mar 28, 7:35 AM CSTMesoscale DiscussionSPCClark, Edgar, Vermilion3 hr
Mar 28, 10:22 AM CSTMesoscale DiscussionSPCClark, Crawford, Cumberland, Edgar, Edwards, Gallatin and 13 more113 min
Mar 28, 1:20 PM CSTSevere Thunderstorm WatchSPCHardin, Wabash6 hr
Mar 28, 3:30 PM CSTMesoscale DiscussionSPCHardin, Wabash2 hr
Mar 28, 12:20 PM CSTSevere Thunderstorm WatchSPCAdams, Allen, Carroll, Cass, DeKalb, Elkhart and 15 more6 hr
Mar 28, 2:57 PM CSTMesoscale DiscussionSPCAdams, Allen, Cass, DeKalb, Elkhart, Fulton and 9 more2 hr
Mar 28, 11:54 AM CSTMesoscale DiscussionSPCDefiance, Fulton, Williams2 hr

Nearby

Mesoscale Discussions in Indiana, 2003Mesoscale Discussions in Kentucky, 2003Mesoscale Discussions in Illinois, 2003Every mesoscale discussion in 2003

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.