Alert archive / Missouri / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 323
The Storm Prediction Center issued this severe thunderstorm watch at May 22, 2000, 5:30 PM CDT for 7 counties in Illinois; 47 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 22, 2000, 5:30 PM CDT (22:30 UTC)
- Expired
- May 22, 2000, 11:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 54 counties
Calhoun County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Monroe County, IL, Saint Clair County, IL, Audrain County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cass County, MO, Cedar County, MO, City of Saint Louis, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent 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, Johnson County, MO, Laclede County, MO, Lawrence County, MO, Lincoln County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, St. Clair County, MO, Vernon County, MO, Warren County, MO, Washington County, MO, Webster County, MO
The radar
The Springfield radar (KSGF), 144 km from the middle of the area, began a volume at 22:31 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
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 5:42 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 48 min |
| May 22, 5:47 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone | 43 min |
| May 22, 5:53 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey | 52 min |
| May 22, 6:33 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 47 min |
| May 22, 6:39 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 51 min |
| May 22, 6:45 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Madison | 45 min |
| May 22, 6:53 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 52 min |
| May 22, 7:17 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 43 min |
| May 22, 9:29 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 46 min |
| May 22, 10:39 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 51 min |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 10.5 hours before the alert went out and 194 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
- 46 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 1601 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
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 22, 4:15 PM CDT | Tornado Watch | SPC | Barry, McDonald, Newton, Stone | 6 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2000Severe Thunderstorm Watches in Illinois, 2000Every severe thunderstorm watch in 2000
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.