Alert archive / Indiana / Mesoscale Discussions in 2003

Mesoscale Discussion 211

March 8, 200322 counties in Illinois; 52 counties in Indiana

The Storm Prediction Center issued this mesoscale discussion at Mar 8, 2003, 4:58 PM CST for 22 counties in Illinois; 52 counties in Indiana. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Mar 8, 2003, 4:58 PM CST (22:58 UTC)
Expired: Mar 8, 2003, 7:00 PM CST
In force: 2 hr
Issued by: the Storm Prediction Center

All 74 counties

Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Franklin County, IL, Hamilton County, IL, Jasper County, IL, Jefferson County, IL, Lawrence County, IL, Marion County, IL, Richland County, IL, Shelby County, IL, Wabash County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Adams County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Dubois County, IN, Fayette County, IN, Fountain County, IN, Franklin County, IN, Gibson County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jay 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, Parke County, IN, Pike County, IN, Posey County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Tipton County, IN, Union County, IN, Vermillion County, IN, Vigo County, IN, Wayne County, IN, Wells County, IN

The radar

The Indianapolis radar (KIND), 99 km from the middle of the area, began a volume at 22:58 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

Lincoln, IL (KILX), launched 12:00Z, 11.0 hours before the alert went out and 159 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1620 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 236 m²/s²
0-3 km storm-relative helicity: 326 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.

Issued	Product	Office	Counties	Lasted
Mar 8, 1:23 PM CST	Mesoscale Discussion	SPC	Bond, Champaign, Christian, Clark, Clay, Clinton and 26 more	3 hr
Mar 8, 2:50 PM CST	Severe Thunderstorm Watch	SPC	Clark, Clay, Coles, Crawford, Cumberland, Douglas and 16 more	6 hr

Nearby

Mesoscale Discussions in Indiana, 2003 Mesoscale Discussions in Illinois, 2003 Every 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.