Alert archive / Missouri / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 645
The Storm Prediction Center issued this severe thunderstorm watch at Jul 16, 2004, 3:45 AM CDT for 33 counties in Missouri. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 16, 2004, 3:45 AM CDT (08:45 UTC)
- Expired
- Jul 16, 2004, 9:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 33 counties
Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Camden County, MO, Cass County, MO, Cedar County, MO, Christian County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Jasper County, MO, Johnson County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Newton County, MO, Ozark County, MO, Pettis County, MO, Polk County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Vernon County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 74 km from the middle of the area, began a volume at 08:49 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
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 6:31 AM CDT | Severe Thunderstorm Warning | SGF | Vernon | 44 min |
| Jul 16, 6:35 AM CDT | Severe Thunderstorm Warning | SGF | Cedar | 55 min |
| Jul 16, 7:31 AM CDT | Severe Thunderstorm Warning | SGF | Greene, Polk | 59 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 00:00Z, 8.8 hours before the alert went out and 120 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
- 2006 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 1328 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.5
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 8:01 PM CDT | Mesoscale Discussion | SPC | Barry, Jasper, McDonald, Newton | 119 min |
| Jul 15, 11:34 PM CDT | Mesoscale Discussion | SPC | Andrew, Atchison, Bates, Buchanan, Caldwell, Carroll and 25 more | 86 min |
| Jul 16, 3:33 AM CDT | Mesoscale Discussion | SPC | Andrew, Barton, Bates, Benton, Buchanan, Cass and 19 more | 117 min |
| Jul 16, 6:28 AM CDT | Mesoscale Discussion | SPC | Barry, Barton, Bates, Camden, Cedar, Christian and 18 more | 92 min |
| Jul 16, 12:10 PM CDT | Severe Thunderstorm Watch | SPC | Scotland | 5 hr |
| Jul 16, 2:45 PM CDT | Mesoscale Discussion | SPC | Scotland | 90 min |
Nearby
Severe Thunderstorm Watches in Missouri, 2004Every severe thunderstorm watch in 2004
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.