Alert archive / Illinois / Severe Thunderstorm Watches in 1998
Severe Thunderstorm Watch 334
The Storm Prediction Center issued this severe thunderstorm watch at May 12, 1998, 4:15 PM CDT for 31 counties in Illinois; 22 counties in Iowa; 19 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 12, 1998, 4:15 PM CDT (21:15 UTC)
- Expired
- May 12, 1998, 10:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 72 counties
Appanoose County, IA, Benton County, IA, Cedar County, IA, Clinton County, IA, Davis County, IA, Des Moines County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Mahaska County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Wapello County, IA, Washington County, IA, Adams County, IL, Boone County, IL, Brown County, IL, Bureau County, IL, Calhoun County, IL, Carroll County, IL, Cass County, IL, Fulton County, IL, Greene County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, Knox County, IL, Lee County, IL, Mason County, IL, McDonough County, IL, Mercer County, IL, Morgan County, IL, Ogle County, IL, Peoria County, IL, Pike County, IL, Putnam County, IL, Rock Island County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Winnebago County, IL, Adair County, MO, Audrain County, MO, Carroll County, MO, Chariton County, MO, Clark County, MO, Knox County, MO, Lewis County, MO, Linn County, MO, Macon County, MO, Marion County, MO, Monroe County, MO, Pike County, MO, Putnam County, MO, Ralls County, MO, Randolph County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, Sullivan County, MO
The radar
The Quad Cities radar (KDVN), 157 km from the middle of the area, began a volume at 21:19 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
27 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 4:32 PM CDT | Severe Thunderstorm Warning | LSX | Lewis | 63 min |
| May 12, 5:01 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 34 min |
| May 12, 5:07 PM CDT | Severe Thunderstorm Warning | LSX | Clark | 48 min |
| May 12, 5:14 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 46 min |
| May 12, 5:20 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 65 min |
| May 12, 5:27 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson | 48 min |
| May 12, 5:38 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 62 min |
| May 12, 5:51 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 49 min |
| May 12, 5:57 PM CDT | Tornado Warning | LSX | Brown | 63 min |
| May 12, 6:00 PM CDT | Tornado Warning | LSX | Brown | 60 min |
| May 12, 6:02 PM CDT | Tornado Warning | ILX | Cass, Schuyler | 58 min |
| May 12, 6:10 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 50 min |
| May 12, 6:26 PM CDT | Tornado Warning | ILX | Fulton | 64 min |
| May 12, 6:28 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 37 min |
| May 12, 6:32 PM CDT | Tornado Warning | LOT | Winnebago | 43 min |
| May 12, 6:33 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 57 min |
| May 12, 6:41 PM CDT | Tornado Warning | DVN | McDonough | 34 min |
| May 12, 6:51 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 69 min |
| May 12, 6:55 PM CDT | Tornado Warning | ILX | Cass | 50 min |
| May 12, 7:00 PM CDT | Tornado Warning | ILX | Morgan, Scott | 60 min |
| May 12, 7:04 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 51 min |
| May 12, 7:26 PM CDT | Tornado Warning | ILX | Fulton | 64 min |
| May 12, 7:32 PM CDT | Flash Flood Warning | ILX | Fulton | 118 min |
| May 12, 7:43 PM CDT | Tornado Warning | ILX | Mason | 62 min |
| May 12, 8:36 PM CDT | Tornado Warning | ILX | Logan, Mason, Menard | 69 min |
| May 12, 9:46 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 44 min |
| May 12, 9:47 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 33 min |
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 11, 8:00 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 19 more | 6 hr |
| May 12, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Clayton, Fayette, Winneshiek | 6 hr |
Nearby
Severe Thunderstorm Watches in Illinois, 1998Severe Thunderstorm Watches in Iowa, 1998Severe Thunderstorm Watches in Missouri, 1998Every severe thunderstorm 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; radar from the NEXRAD Level II archive.