Alert archive / Missouri / Severe Thunderstorm Watches in 2008
Severe Thunderstorm Watch 752
The Storm Prediction Center issued this severe thunderstorm watch at Jul 25, 2008, 6:38 PM CDT for 9 counties in Arkansas; 35 counties in Missouri; 9 counties in Tennessee. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 25, 2008, 6:38 PM CDT (23:38 UTC)
- Expired
- Jul 26, 2008, 12:45 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 53 counties
Clay County, AR, Craighead County, AR, Fulton County, AR, Greene County, AR, Izard County, AR, Lawrence County, AR, Mississippi County, AR, Randolph County, AR, Sharp County, AR, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cole County, MO, Crawford County, MO, Dallas County, MO, Dent County, MO, Dunklin County, MO, Franklin County, MO, Gasconade County, MO, Hickory County, MO, Howell County, MO, Iron County, MO, Jefferson County, MO, Laclede County, MO, Madison County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Oregon County, MO, Osage County, MO, Pemiscot County, MO, Phelps County, MO, Pulaski County, MO, Reynolds County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Shannon County, MO, Texas County, MO, Warren County, MO, Washington County, MO, Wright County, MO, Carroll County, TN, Crockett County, TN, Dyer County, TN, Gibson County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Obion County, TN, Weakley County, TN
The radar
The St Louis radar (KLSX), 147 km from the middle of the area, began a volume at 23:38 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 6:40 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Moniteau | 50 min |
| Jul 25, 6:57 PM CDT | Severe Thunderstorm Warning | SGF | Douglas, Howell, Texas, Wright | 53 min |
| Jul 25, 7:04 PM CDT | Severe Thunderstorm Warning | SGF | Maries, Miller | 56 min |
| Jul 25, 8:11 PM CDT | Flash Flood Warning | SGF | Miller, Morgan | 3 hr |
| Jul 25, 8:38 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 52 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 11.6 hours before the alert went out and 222 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
- 1198 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 1010 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 6:10 PM CDT | Mesoscale Discussion | SPC | Baxter, Clay, Craighead, Fulton, Greene, Izard and 4 more | 95 min |
| Jul 24, 11:32 PM CDT | Mesoscale Discussion | SPC | Calhoun, Pike | 88 min |
| Jul 24, 7:49 PM CDT | Mesoscale Discussion | SPC | Buchanan, Cass, Clay, Clinton, Henry, Jackson and 4 more | 86 min |
| Jul 25, 1:54 PM CDT | Mesoscale Discussion | SPC | Barton, Bates, Benton, Camden, Cass, Cedar and 38 more | 66 min |
Nearby
Severe Thunderstorm Watches in Missouri, 2008Severe Thunderstorm Watches in Arkansas, 2008Severe Thunderstorm Watches in Tennessee, 2008Every severe thunderstorm watch in 2008
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.