Alert archive / Illinois / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 290
The Storm Prediction Center issued this severe thunderstorm watch at May 19, 2005, 1:25 PM CDT for 4 states. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- May 19, 2005, 1:25 PM CDT (18:25 UTC)
- Expired
- May 19, 2005, 9:00 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
All 52 counties
Cedar County, IA, Clinton County, IA, Des Moines County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Washington County, IA, Boone County, IL, Bureau County, IL, Carroll County, IL, DeKalb County, IL, DuPage County, IL, Grundy County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Knox County, IL, LaSalle County, IL, Lee County, IL, Marshall County, IL, McDonough County, IL, McHenry County, IL, Mercer County, IL, Ogle County, IL, Peoria County, IL, Putnam County, IL, Rock Island County, IL, Stark County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Will County, IL, Winnebago County, IL, Woodford County, IL, Clark County, MO, Kenosha County, WI, Milwaukee County, WI, Rock County, WI, Walworth County, WI
The radar
The Quad Cities radar (KDVN), 15 km from the middle of the area, began a volume at 18:25 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
20 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 2:28 PM CDT | Tornado Warning | MKX | Green, Rock | 32 min |
| May 19, 2:46 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton | 29 min |
| May 19, 2:59 PM CDT | Tornado Warning | MKX | Rock | 31 min |
| May 19, 3:27 PM CDT | Tornado Warning | MKX | Rock, Walworth | 36 min |
| May 19, 3:29 PM CDT | Severe Thunderstorm Warning | MKX | Green, Rock | 46 min |
| May 19, 3:33 PM CDT | Tornado Warning | MKX | Rock | 27 min |
| May 19, 3:39 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane, Kendall | 36 min |
| May 19, 3:52 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Winnebago | 23 min |
| May 19, 4:07 PM CDT | Severe Thunderstorm Warning | LOT | Kendall | 38 min |
| May 19, 4:16 PM CDT | Severe Thunderstorm Warning | LOT | Boone | 34 min |
| May 19, 4:24 PM CDT | Severe Thunderstorm Warning | LOT | Will | 51 min |
| May 19, 4:30 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Mercer | 30 min |
| May 19, 4:33 PM CDT | Severe Thunderstorm Warning | LOT | McHenry | 57 min |
| May 19, 4:40 PM CDT | Severe Thunderstorm Warning | MKX | Green, Rock | 55 min |
| May 19, 4:44 PM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 46 min |
| May 19, 5:11 PM CDT | Severe Thunderstorm Warning | LOT | Will | 4 min |
| May 19, 5:19 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee, Will | 26 min |
| May 19, 5:24 PM CDT | Tornado Warning | MKX | Rock | 38 min |
| May 19, 5:38 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 67 min |
| May 19, 5:40 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 57 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
Davenport, (KDVN), launched 12:00Z, 6.4 hours before the alert went out and 8 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
- 4 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 996 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 6:58 AM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clark, Clay, Clinton, Coles and 34 more | 92 min |
| May 19, 10:44 AM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Crawford, Edwards, Effingham and 26 more | 3 hr |
| May 19, 11:15 AM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Clark, Clay, Clinton, Coles and 32 more | 8 hr |
| May 19, 12:41 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Henry and 16 more | 2 hr |
| May 19, 3:36 PM CDT | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Clinton, Coles, Crawford and 27 more | 84 min |
| May 19, 3:50 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 33 more | 85 min |
| May 19, 5:59 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clark, Clay, Clinton, Coles and 30 more | 91 min |
| May 19, 6:20 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Cass, Champaign, Christian, Clay, Clinton and 40 more | 6 hr |
| May 19, 6:30 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 33 more | 90 min |
| May 18, 7:55 PM CDT | Mesoscale Discussion | SPC | Jackson | 35 min |
Nearby
Severe Thunderstorm Watches in Illinois, 2005Severe Thunderstorm Watches in Iowa, 2005Severe Thunderstorm Watches in Wisconsin, 2005Every severe thunderstorm watch in 2005
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.