Alert archive / Illinois / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 250
The Storm Prediction Center issued this severe thunderstorm watch at May 8, 2000, 10:30 PM CDT for 25 counties in Illinois; 13 counties in Indiana; Berrien County, Cass County, Saint Joseph County, Michigan. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 8, 2000, 10:30 PM CDT (03:30 UTC)
- Expired
- May 9, 2000, 4:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 41 counties
Champaign County, IL, Christian County, IL, Coles County, IL, Cook County, IL, DeWitt County, IL, Douglas County, IL, Ford County, IL, Greene County, IL, Grundy County, IL, Iroquois County, IL, Kankakee County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, McLean County, IL, Menard County, IL, Montgomery County, IL, Morgan County, IL, Moultrie County, IL, Piatt County, IL, Sangamon County, IL, Shelby County, IL, Vermilion County, IL, Will County, IL, Benton County, IN, Elkhart County, IN, Jasper County, IN, Lake County, IN, LaPorte County, IN, Marshall County, IN, Newton County, IN, Porter County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Warren County, IN, White County, IN, Berrien County, MI, Cass County, MI, Saint Joseph County, MI
The radar
The Lincoln radar (KILX), 73 km from the middle of the area, began a volume at 03:27 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
24 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 10:32 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 43 min |
| May 8, 10:40 PM CDT | Tornado Warning | ILX | McLean, Tazewell | 50 min |
| May 8, 10:44 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, LaSalle, Livingston | 46 min |
| May 8, 10:57 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 63 min |
| May 8, 11:01 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee | 59 min |
| May 8, 11:01 PM CDT | Severe Thunderstorm Warning | LOT | Will | 59 min |
| May 8, 11:03 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 57 min |
| May 8, 11:08 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 67 min |
| May 8, 11:14 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 46 min |
| May 8, 11:28 PM CDT | Severe Thunderstorm Warning | LOT | Jasper, Lake, Newton | 62 min |
| May 8, 11:28 PM CDT | Severe Thunderstorm Warning | LOT | Porter | 62 min |
| May 8, 11:55 PM CDT | Severe Thunderstorm Warning | IWX | Pulaski, Starke | 35 min |
| May 8, 11:55 PM CDT | Severe Thunderstorm Warning | IWX | LaPorte | 35 min |
| May 8, 11:55 PM CDT | Severe Thunderstorm Warning | IWX | LaPorte, Pulaski, Starke | 55 min |
| May 9, 12:12 AM CDT | Severe Thunderstorm Warning | IWX | Berrien | 28 min |
| May 9, 12:22 AM CDT | Severe Thunderstorm Warning | IWX | Fulton, Marshall | 28 min |
| May 9, 12:22 AM CDT | Severe Thunderstorm Warning | IWX | Saint Joseph | 28 min |
| May 9, 12:36 AM CDT | Severe Thunderstorm Warning | IWX | White | 34 min |
| May 9, 12:45 AM CDT | Severe Thunderstorm Warning | IWX | Elkhart, Kosciusko | 35 min |
| May 9, 12:45 AM CDT | Severe Thunderstorm Warning | IWX | Cass | 35 min |
| May 9, 1:03 AM CDT | Severe Thunderstorm Warning | IWX | Saint Joseph | 27 min |
| May 9, 2:12 AM CDT | Severe Thunderstorm Warning | ILX | Morgan | 48 min |
| May 9, 2:22 AM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 53 min |
| May 9, 3:40 AM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Shelby | 50 min |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 3.5 hours before the alert went out and 27 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.
- Mixed-layer CAPE
- 2720 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 1120 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 21 more | 5 hr |
| May 9, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Calhoun, Jersey, Monroe | 6 hr |
| May 9, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 19 more | 7 hr |
| May 9, 4:45 PM CDT | Tornado Watch | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 5 hr |
| May 9, 12:45 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Allen, Cass, DeKalb, Fulton, Huntington and 8 more | 5 hr |
| May 9, 3:45 PM CDT | Tornado Watch | SPC | Adams, Allen, Bartholomew, Blackford, Dearborn, Decatur and 18 more | 6 hr |
| May 8, 9:30 PM CDT | Severe Thunderstorm Watch | SPC | Allegan, Arenac, Barry, Bay, Clare, Clinton and 26 more | 6 hr |
| May 9, 5:30 PM CDT | Tornado Watch | SPC | Barry, Branch, Calhoun, Clinton, Eaton, Genesee and 14 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Illinois, 2000Severe Thunderstorm Watches in Indiana, 2000Severe Thunderstorm Watches in Michigan, 2000Every severe thunderstorm watch in 2000
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.