Alert archive / Missouri / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 124
The Storm Prediction Center issued this severe thunderstorm watch at Apr 19, 2002, 10:15 AM CDT for 16 counties in Illinois; 49 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 19, 2002, 10:15 AM CDT (15:15 UTC)
- Expired
- Apr 19, 2002, 4:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 65 counties
Bond County, IL, Clinton County, IL, Fayette County, IL, Franklin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Perry County, IL, Randolph County, IL, Saint Clair County, IL, Union County, IL, Washington County, IL, Williamson County, IL, Barton County, MO, Bates County, MO, Benton County, MO, Bollinger County, MO, Camden County, MO, Cape Girardeau County, MO, Cedar County, MO, Christian County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Iron County, MO, Jasper County, MO, Jefferson County, MO, Laclede County, MO, Lawrence County, MO, Madison County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Perry County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shannon County, MO, St. Clair County, MO, Texas County, MO, Vernon County, MO, Warren County, MO, Washington County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 137 km from the middle of the area, began a volume at 15:18 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 11:17 AM CDT | Severe Thunderstorm Warning | SGF | Dent | 43 min |
| Apr 19, 11:40 AM CDT | Severe Thunderstorm Warning | SGF | Pulaski | 35 min |
| Apr 19, 11:58 AM CDT | Severe Thunderstorm Warning | SGF | Phelps | 47 min |
| Apr 19, 12:00 PM CDT | Severe Thunderstorm Warning | SGF | Dent | 45 min |
| Apr 19, 12:14 PM CDT | Severe Thunderstorm Warning | SGF | Greene, Webster | 46 min |
| Apr 19, 2:01 PM CDT | Severe Thunderstorm Warning | PAH | Bollinger, Wayne | 74 min |
| Apr 19, 2:58 PM CDT | Tornado Warning | PAH | Bollinger, Cape Girardeau, Stoddard | 47 min |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 3.3 hours before the alert went out and 188 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
- 1060 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 849 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 251 m²/s²
- 0-3 km storm-relative helicity
- 269 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.6
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Jo Daviess, Rock Island, Stephenson | 5 hr |
| Apr 19, 8:00 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Christian, Clinton, Fayette, Greene and 13 more | 5 hr |
| Apr 19, 2:15 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 17 more | 6 hr |
| Apr 19, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Christian, Clay, Clinton, DeWitt and 20 more | 5 hr |
| Apr 19, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | Bates, Benton, Buchanan, Caldwell, Camden, Carroll and 17 more | 5 hr |
| Apr 19, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Barry, Barton, Bates, Benton, Boone, Callaway and 44 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2002Severe Thunderstorm Watches in Illinois, 2002Every severe thunderstorm watch in 2002
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.