Alert archive / Missouri / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 17
The Storm Prediction Center issued this severe thunderstorm watch at Feb 9, 2001, 4:00 AM CST for 25 counties in Missouri. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 9, 2001, 4:00 AM CST (10:00 UTC)
- Expired
- Feb 9, 2001, 9:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 25 counties
Barry County, MO, Christian County, MO, Crawford County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Iron County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Ozark County, MO, Phelps County, MO, Pulaski County, MO, Saint Francois County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Washington County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 56 km from the middle of the area, began a volume at 09:59 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
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 9, 4:25 AM CST | Severe Thunderstorm Warning | SGF | Barry, Lawrence | 50 min |
| Feb 9, 4:30 AM CST | Severe Thunderstorm Warning | SGF | McDonald | 30 min |
| Feb 9, 4:58 AM CST | Severe Thunderstorm Warning | SGF | Christian, Greene | 47 min |
| Feb 9, 7:13 AM CST | Severe Thunderstorm Warning | LSX | Crawford | 32 min |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 10.0 hours before the alert went out and 96 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
- 69 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 556 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 362 m²/s²
- 0-3 km storm-relative helicity
- 399 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.
Nearby
Severe Thunderstorm Watches in Missouri, 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.