Alert archive / Illinois / Tornado Watches in 1998
Tornado Watch 130
The Storm Prediction Center issued this tornado watch at Mar 28, 1998, 1:45 AM CST for 25 counties in Illinois; 4 counties in Missouri. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 28, 1998, 1:45 AM CST (07:45 UTC)
- Expired
- Mar 28, 1998, 5:00 AM CST
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 29 counties
Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Cass County, IL, Christian County, IL, DeWitt County, IL, Effingham County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Mason County, IL, Menard County, IL, Montgomery County, IL, Morgan County, IL, Moultrie County, IL, Piatt County, IL, Pike County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Lincoln County, MO, Pike County, MO, Saint Charles County, MO, Warren County, MO
The radar
The Lincoln radar (KILX), 83 km from the middle of the area, began a volume at 07:44 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
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 2:14 AM CST | Severe Thunderstorm Warning | LSX | Greene | 16 min |
| Mar 28, 4:03 AM CST | Severe Thunderstorm Warning | ILX | Shelby | 57 min |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 7.8 hours before the alert went out and 138 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1945 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 223 m²/s²
- 0-3 km storm-relative helicity
- 290 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Mar 27, 6:15 PM CST | Severe Thunderstorm Watch | SPC | Boone, Brown, Bureau, Cass, Cook, DeKalb and 33 more | 5 hr |
| Mar 27, 8:45 PM CST | Severe Thunderstorm Watch | SPC | Clark, Clay, Crawford, Cumberland, Edwards, Effingham and 21 more | 4 hr |
| Mar 28, 1:00 AM CST | Tornado Watch | SPC | Clark, Crawford, Edwards, Gallatin, Hamilton, Hardin and 7 more | 4 hr |
| Mar 27, 10:00 PM CST | Tornado Watch | SPC | Butler, Dunklin, Mississippi, New Madrid, Pemiscot, Stoddard | 5 hr |
Nearby
Tornado Watches in Illinois, 1998Tornado Watches in Missouri, 1998Every tornado watch in 1998
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.