Alert archive / Missouri / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 504
The Storm Prediction Center issued this severe thunderstorm watch at Jul 10, 2002, 1:00 PM CDT for 31 counties in Missouri. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 10, 2002, 1:00 PM CDT (18:00 UTC)
- Expired
- Jul 10, 2002, 6:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 31 counties
Bollinger County, MO, Callaway County, MO, Camden County, MO, Carter County, MO, Cole County, MO, Crawford County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Howell County, MO, Iron County, MO, Jefferson County, MO, Lincoln County, MO, Madison County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Phelps County, MO, Pulaski County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Shannon County, MO, Texas County, MO, Warren County, MO, Washington County, MO, Wayne County, MO
The radar
The St Louis radar (KLSX), 80 km from the middle of the area, began a volume at 18:00 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 |
|---|---|---|---|---|
| Jul 10, 1:34 PM CDT | Severe Thunderstorm Warning | SGF | Camden, Miller, Morgan | 41 min |
| Jul 10, 1:46 PM CDT | Severe Thunderstorm Warning | SGF | Maries | 44 min |
| Jul 10, 2:30 PM CDT | Severe Thunderstorm Warning | SGF | Phelps, Pulaski | 45 min |
| Jul 10, 2:31 PM CDT | Severe Thunderstorm Warning | SGF | Phelps, Pulaski | 44 min |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 6.0 hours before the alert went out and 261 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
- 1804 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 1268 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 7:30 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Caldwell, Daviess, Gentry, Grundy, Harrison and 8 more | 5 hr |
| Jul 10, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Bates, Camden, Cedar, Christian, Dade and 17 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 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.