Alert archive / Missouri / Mesoscale Discussions in 2009
Mesoscale Discussion 249
The Storm Prediction Center issued this mesoscale discussion at Mar 24, 2009, 9:38 AM CDT for 21 counties in Arkansas; 48 counties in Missouri; 13 counties in Oklahoma. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- Mar 24, 2009, 9:38 AM CDT (14:38 UTC)
- Expired
- Mar 24, 2009, 11:15 AM CDT
- In force
- 97 min
- Issued by
- the Storm Prediction Center
All 82 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Fulton County, AR, Izard County, AR, Johnson County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Pope County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, Yell County, AR, Barry County, MO, Barton County, MO, Benton County, MO, Callaway County, MO, Camden 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, Jasper County, MO, Jefferson County, MO, Laclede County, MO, Lawrence County, MO, Lincoln County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Louis County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Warren County, MO, Washington County, MO, Webster County, MO, Wright County, MO, Adair County, OK, Cherokee County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Ottawa County, OK, Pittsburg County, OK, Sequoyah County, OK, Wagoner County, OK
The radar
The Springfield radar (KSGF), 73 km from the middle of the area, began a volume at 14:37 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, 2.6 hours before the alert went out and 64 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
- 2 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 1098 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 536 m²/s²
- 0-3 km storm-relative helicity
- 644 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 |
|---|---|---|---|---|
| Mar 24, 3:22 AM CDT | Mesoscale Discussion | SPC | Benton, Carroll | 83 min |
| Mar 24, 10:00 AM CDT | Severe Thunderstorm Watch | SPC | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 5 hr |
| Mar 24, 12:02 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 19 more | 88 min |
| Mar 24, 2:33 PM CDT | Mesoscale Discussion | SPC | Arkansas, Baxter, Clark, Clay, Cleburne, Cleveland and 35 more | 87 min |
| Mar 24, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Cleburne, Conway, Craighead, Crittenden, Cross and 17 more | 4 hr |
| Mar 24, 5:36 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 8 more | 54 min |
| Mar 23, 11:09 PM CDT | Mesoscale Discussion | SPC | Barton, Bates, Buchanan, Cass, Clay, Clinton and 3 more | 66 min |
| Mar 23, 11:35 PM CDT | Mesoscale Discussion | SPC | Barton, Bates, Buchanan, Cass, Clay, Clinton and 3 more | 115 min |
| Mar 23, 11:43 PM CDT | Severe Thunderstorm Watch | SPC | Buchanan, Caldwell, Cass, Clay, Clinton, Jackson and 2 more | 5 hr |
| Mar 24, 2:28 AM CDT | Mesoscale Discussion | SPC | Bates, Caldwell, Cass, Clay, Clinton, Daviess and 5 more | 2 hr |
Nearby
Mesoscale Discussions in Missouri, 2009Mesoscale Discussions in Arkansas, 2009Mesoscale Discussions in Oklahoma, 2009Every mesoscale discussion in 2009
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.