Alert archive / Missouri / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 193
The Storm Prediction Center issued this severe thunderstorm watch at May 1, 2002, 9:45 AM CDT for 5 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 1, 2002, 9:45 AM CDT (14:45 UTC)
- Expired
- May 1, 2002, 4:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 75 counties
Baxter County, AR, Boone County, AR, Clay County, AR, Fulton County, AR, Greene County, AR, Marion County, AR, Randolph County, AR, Sharp County, AR, Alexander County, IL, Franklin County, IL, Jackson County, IL, Johnson County, IL, Massac County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Saline County, IL, Union County, IL, Williamson County, IL, Ballard County, KY, Calloway County, KY, Carlisle County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Livingston County, KY, Marshall County, KY, McCracken County, KY, Bollinger County, MO, Butler County, MO, Camden County, MO, Cape Girardeau County, MO, Carter County, MO, Christian County, MO, Crawford County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Dunklin County, MO, Howell County, MO, Iron County, MO, Laclede County, MO, Madison County, MO, Maries County, MO, Miller County, MO, Mississippi County, MO, Morgan County, MO, New Madrid County, MO, Oregon County, MO, Ozark County, MO, Pemiscot County, MO, Perry County, MO, Phelps County, MO, Pulaski County, MO, Reynolds County, MO, Ripley County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Scott County, MO, Shannon County, MO, Stoddard County, MO, Taney County, MO, Texas County, MO, Washington County, MO, Wayne County, MO, Webster County, MO, Wright County, MO, Carroll County, TN, Dyer County, TN, Gibson County, TN, Henry County, TN, Lake County, TN, Obion County, TN, Weakley County, TN
The radar
The St Louis radar (KLSX), 151 km from the middle of the area, began a volume at 14:43 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
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 9:55 AM CDT | Severe Thunderstorm Warning | SGF | Oregon | 35 min |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 2.8 hours before the alert went out and 233 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
- 2133 J/kg
- Mixed-layer CIN
- -182 J/kg
- Mixed-layer LCL
- 801 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 311 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 12:45 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 50 more | 5 hr |
| May 1, 2:30 PM CDT | Tornado Watch | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 39 more | 4 hr |
| May 1, 3:45 PM CDT | Tornado Watch | SPC | Adair, Anderson, Bath, Boone, Bourbon, Boyd and 72 more | 5 hr |
| May 1, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Bedford, Cannon, Coffee, Davidson, DeKalb, Dickson and 18 more | 4 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2002Severe Thunderstorm Watches in Illinois, 2002Severe Thunderstorm Watches in Kentucky, 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.