Alert archive / Illinois / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 288

May 25, 20044 states

The Storm Prediction Center issued this severe thunderstorm watch at May 25, 2004, 3:00 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: May 25, 2004, 3:00 PM CDT (20:00 UTC)
Expired: May 25, 2004, 9:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 61 counties

Alexander County, IL, Clay County, IL, Clinton County, IL, Crawford County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Lawrence County, IL, Marion County, IL, Monroe County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Richland County, IL, Saint Clair County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Daviess County, IN, Gibson County, IN, Knox County, IN, Pike County, IN, Posey County, IN, Spencer County, IN, Sullivan County, IN, Vanderburgh County, IN, Warrick County, IN, Daviess County, KY, Henderson County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Cape Girardeau County, MO, Carter County, MO, Crawford County, MO, Dent County, MO, Howell County, MO, Iron County, MO, Jefferson County, MO, Madison County, MO, Oregon County, MO, Perry County, MO, Phelps County, MO, Reynolds County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Scott County, MO, Shannon County, MO, Texas County, MO, Washington County, MO, Wayne County, MO

The radar

The St Louis radar (KLSX), 107 km from the middle of the area, began a volume at 20:04 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.

Warnings issued inside it

34 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
May 25, 3:01 PM CDT	Severe Thunderstorm Warning	SGF	Phelps	59 min
May 25, 3:16 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Washington	59 min
May 25, 3:20 PM CDT	Severe Thunderstorm Warning	SGF	Dent	55 min
May 25, 3:21 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Saint Clair, Washington	54 min
May 25, 3:27 PM CDT	Severe Thunderstorm Warning	SGF	Phelps	48 min
May 25, 3:29 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Jasper	46 min
May 25, 3:30 PM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve, Saint Francois	45 min
May 25, 3:42 PM CDT	Severe Thunderstorm Warning	LSX	Crawford	33 min
May 25, 3:47 PM CDT	Severe Thunderstorm Warning	LSX	Marion	43 min
May 25, 4:04 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	56 min
May 25, 4:05 PM CDT	Severe Thunderstorm Warning	PAH	Jefferson	40 min
May 25, 4:06 PM CDT	Tornado Warning	LSX	Sainte Genevieve	24 min
May 25, 4:13 PM CDT	Severe Thunderstorm Warning	LSX	Washington	32 min
May 25, 4:21 PM CDT	Tornado Warning	PAH	Perry	39 min
May 25, 4:28 PM CDT	Tornado Warning	LSX	Randolph	47 min
May 25, 4:29 PM CDT	Severe Thunderstorm Warning	LSX	Iron	46 min
May 25, 4:40 PM CDT	Tornado Warning	PAH	Jefferson	35 min
May 25, 4:49 PM CDT	Tornado Warning	PAH	Franklin	41 min
May 25, 4:58 PM CDT	Flash Flood Warning	LSX	Jefferson	3 hr
May 25, 5:00 PM CDT	Severe Thunderstorm Warning	PAH	Hamilton, Wayne	45 min
May 25, 5:11 PM CDT	Severe Thunderstorm Warning	LSX	Madison	34 min
May 25, 5:16 PM CDT	Flash Flood Warning	LSX	Monroe	5 hr
May 25, 5:27 PM CDT	Flash Flood Warning	PAH	Franklin	2 hr
May 25, 5:30 PM CDT	Tornado Warning	PAH	Hamilton, Saline	45 min
May 25, 5:39 PM CDT	Tornado Warning	PAH	Bollinger	36 min
May 25, 5:45 PM CDT	Severe Thunderstorm Warning	PAH	Gallatin, White	45 min
May 25, 5:47 PM CDT	Flash Flood Warning	PAH	Hamilton, White	103 min
May 25, 6:02 PM CDT	Severe Thunderstorm Warning	PAH	Williamson	43 min
May 25, 6:07 PM CDT	Flash Flood Warning	PAH	Spencer, Warrick	3 hr
May 25, 6:47 PM CDT	Severe Thunderstorm Warning	PAH	Spencer, Warrick	43 min
May 25, 7:31 PM CDT	Flash Flood Warning	PAH	Hamilton, White	119 min
May 25, 7:58 PM CDT	Flash Flood Warning	PAH	Spencer, Warrick	92 min
May 25, 8:04 PM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve	41 min
May 25, 8:12 PM CDT	Severe Thunderstorm Warning	PAH	Bollinger, Perry	48 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.0 hours before the alert went out and 284 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: 951 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: -7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 24, 8:15 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Hancock, Henderson, McDonough and 3 more	90 min
May 24, 10:26 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Champaign and 36 more	64 min
May 24, 10:45 PM CDT	Tornado Watch	SPC	Bond, Brown, Calhoun, Cass, Champaign, Christian and 27 more	5 hr
May 24, 11:45 PM CDT	Mesoscale Discussion	SPC	Bond, Calhoun, Cass, Champaign, Christian, Clark and 24 more	90 min
May 25, 3:00 AM CDT	Severe Thunderstorm Watch	SPC	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 15 more	3 hr
May 25, 9:19 AM CDT	Mesoscale Discussion	SPC	Edwards, Gallatin, Hamilton, Hardin, Lawrence, Pope and 4 more	86 min
May 25, 1:05 PM CDT	Severe Thunderstorm Watch	SPC	Bond, Calhoun, Christian, Clinton, Fayette, Greene and 12 more	6 hr
May 25, 2:39 PM CDT	Mesoscale Discussion	SPC	Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more	96 min
May 25, 3:16 PM CDT	Mesoscale Discussion	SPC	Bond, Calhoun, Christian, Clinton, Fayette, Greene and 12 more	89 min
May 25, 5:03 PM CDT	Mesoscale Discussion	SPC	Alexander, Bond, Clay, Clinton, Crawford, Edwards and 25 more	87 min
May 25, 6:04 PM CDT	Mesoscale Discussion	SPC	Bond, Clinton, Madison, Monroe, Perry, Randolph and 2 more	56 min
May 25, 4:23 AM CDT	Mesoscale Discussion	SPC	Bartholomew, Blackford, Clark, Crawford, Dearborn, Decatur and 28 more	97 min
May 25, 4:02 PM CDT	Mesoscale Discussion	SPC	Bartholomew, Brown, Clark, Crawford, Dearborn, Decatur and 16 more	58 min
May 25, 4:30 PM CDT	Severe Thunderstorm Watch	SPC	Clark, Crawford, Dubois, Floyd, Greene, Harrison and 14 more	6 hr
May 24, 10:10 PM CDT	Severe Thunderstorm Watch	SPC	Barton, Bates, Cass, Cedar, Dade, Henry and 6 more	6 hr
May 25, 12:00 AM CDT	Mesoscale Discussion	SPC	Barton, Bates, Cass, Cedar, Dade, Henry and 6 more	90 min
May 25, 2:17 AM CDT	Mesoscale Discussion	SPC	Barton, Bates, Cedar, Dade, Henry, Jasper and 3 more	118 min
May 25, 11:12 AM CDT	Mesoscale Discussion	SPC	Benton, Boone, Callaway, Camden, Cedar, Cole and 25 more	93 min

Nearby

Severe Thunderstorm Watches in Illinois, 2004 Severe Thunderstorm Watches in Missouri, 2004 Severe Thunderstorm Watches in Indiana, 2004 Every severe thunderstorm watch 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.