Alert archive / Missouri / Mesoscale Discussions in 2006
Mesoscale Discussion 700
The Storm Prediction Center issued this mesoscale discussion at Apr 30, 2006, 10:30 AM CDT for Baxter County, Fulton County, Marion County, Arkansas; Adams County, Calhoun County, Pike County, Illinois; 52 counties in Missouri. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- Apr 30, 2006, 10:30 AM CDT (15:30 UTC)
- Expired
- Apr 30, 2006, 12:00 PM CDT
- In force
- 90 min
- Issued by
- the Storm Prediction Center
All 58 counties
Baxter County, AR, Fulton County, AR, Marion County, AR, Adams County, IL, Calhoun County, IL, Pike County, IL, Audrain County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Carter County, MO, Cedar County, MO, Christian County, MO, Cole County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Hickory County, MO, Howell County, MO, Iron County, MO, Jefferson County, MO, Laclede County, MO, Lawrence County, MO, Lewis County, MO, Lincoln County, MO, Maries County, MO, Marion County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Phelps County, MO, Pike County, MO, Polk County, MO, Pulaski County, MO, Ralls County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Louis County, MO, Shannon County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Warren County, MO, Washington County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 135 km from the middle of the area, began a volume at 15:30 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.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 3.5 hours before the alert went out and 186 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
- 37 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 547 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 11:20 AM CDT | Mesoscale Discussion | SPC | Crittenden, Mississippi | 85 min |
| Apr 30, 11:52 AM CDT | Severe Thunderstorm Watch | SPC | Baxter, Boone, Clay, Cleburne, Craighead, Fulton and 16 more | 7 hr |
| Apr 30, 1:04 PM CDT | Mesoscale Discussion | SPC | Randolph | 86 min |
| Apr 30, 2:30 PM CDT | Mesoscale Discussion | SPC | Clay, Greene, Mississippi | 2 hr |
| Apr 30, 3:05 PM CDT | Tornado Watch | SPC | Clay, Craighead, Greene, Lawrence, Mississippi, Poinsett and 1 more | 6 hr |
| Apr 30, 5:25 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Greene, Lawrence, Mississippi, Poinsett and 1 more | 95 min |
Nearby
Mesoscale Discussions in Missouri, 2006Mesoscale Discussions in Arkansas, 2006Mesoscale Discussions in Illinois, 2006Every mesoscale discussion in 2006
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.