Alert archive / Missouri / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 33
The Storm Prediction Center issued this severe thunderstorm watch at Feb 24, 2001, 3:30 PM CST for 8 counties in Illinois; 36 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 24, 2001, 3:30 PM CST (21:30 UTC)
- Expired
- Feb 24, 2001, 9:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 44 counties
Clinton County, IL, Jackson County, IL, Marion County, IL, Monroe County, IL, Perry County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, City of Saint Louis, MO, Crawford County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Howell County, MO, Iron County, MO, Jefferson County, MO, Madison County, MO, Maries County, MO, New Madrid County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Perry County, MO, Phelps County, MO, Pulaski County, MO, Reynolds County, MO, Ripley County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Scott County, MO, Shannon County, MO, Stoddard County, MO, Texas County, MO, Warren County, MO, Washington County, MO, Wayne County, MO, Wright County, MO
The radar
The St Louis radar (KLSX), 147 km from the middle of the area, began a volume at 21:30 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 |
|---|---|---|---|---|
| Feb 24, 3:41 PM CST | Tornado Warning | SGF | Ozark | 34 min |
| Feb 24, 3:47 PM CST | Tornado Warning | SGF | Douglas | 43 min |
| Feb 24, 4:30 PM CST | Flash Flood Warning | SGF | Douglas, Howell, Ozark, Texas | 4 hr |
| Feb 24, 4:40 PM CST | Severe Thunderstorm Warning | SGF | Howell | 35 min |
| Feb 24, 5:04 PM CST | Severe Thunderstorm Warning | LSX | Crawford | 41 min |
| Feb 24, 5:07 PM CST | Severe Thunderstorm Warning | SGF | Oregon | 38 min |
| Feb 24, 5:24 PM CST | Severe Thunderstorm Warning | PAH | Carter | 36 min |
| Feb 24, 7:38 PM CST | Severe Thunderstorm Warning | PAH | New Madrid, Stoddard | 37 min |
| Feb 24, 7:59 PM CST | Severe Thunderstorm Warning | PAH | Scott | 16 min |
| Feb 24, 8:12 PM CST | Severe Thunderstorm Warning | PAH | Cape Girardeau | 18 min |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 9.5 hours before the alert went out and 239 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 429 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 326 m²/s²
- 0-3 km storm-relative helicity
- 371 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Feb 24, 11:15 AM CST | Tornado Watch | SPC | Barry, Barton, Christian, Dade, Douglas, Greene and 10 more | 6 hr |
| Feb 24, 5:45 PM CST | Tornado Watch | SPC | Dunklin, Pemiscot | 5 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2001Severe Thunderstorm Watches in Illinois, 2001Every severe thunderstorm watch in 2001
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.