Alert archive / Missouri / Mesoscale Discussions in 2018
Mesoscale Discussion 1082
The Storm Prediction Center issued this mesoscale discussion at Jul 19, 2018, 9:58 AM CDT for 51 counties in Missouri. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 19, 2018, 9:58 AM CDT (14:58 UTC)
- Expired
- Jul 19, 2018, 12:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 51 counties
Andrew County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Caldwell County, MO, Callaway County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Christian County, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Daviess County, MO, DeKalb County, MO, Douglas County, MO, Gentry County, MO, Greene County, MO, Grundy County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Laclede County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO
The radar
The Pleasant Hill radar (KEAX), 89 km from the middle of the area, began a volume at 15:00 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.
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, 3.0 hours before the alert went out and 185 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
- 1220 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 767 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 5.4
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 12:47 AM CDT | Mesoscale Discussion | SPC | Atchison, Holt | 118 min |
| Jul 19, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | Andrew, Atchison, Buchanan, Holt, Nodaway | 5 hr |
| Jul 19, 3:52 AM CDT | Mesoscale Discussion | SPC | Atchison, Holt | 53 min |
| Jul 19, 11:22 AM CDT | Severe Thunderstorm Watch | SPC | Barry, Barton, Bates, Benton, Caldwell, Callaway and 47 more | 10 hr |
| Jul 19, 12:26 PM CDT | Severe Thunderstorm Watch | SPC | Platte | 8 hr |
| Jul 19, 2:15 PM CDT | Mesoscale Discussion | SPC | Bollinger, Butler, Carter, Christian, Dallas, Dent and 27 more | 2 hr |
| Jul 19, 2:32 PM CDT | Mesoscale Discussion | SPC | Mercer, Putnam, Schuyler | 118 min |
| Jul 19, 2:43 PM CDT | Mesoscale Discussion | SPC | Platte | 92 min |
| Jul 19, 3:11 PM CDT | Tornado Watch | SPC | Clark, Scotland | 6 hr |
| Jul 19, 5:18 PM CDT | Mesoscale Discussion | SPC | Clark, Schuyler, Scotland | 57 min |
| Jul 19, 6:26 PM CDT | Mesoscale Discussion | SPC | Clark, Knox, Lewis, Lincoln, Marion, Pike and 1 more | 64 min |
| Jul 19, 6:49 PM CDT | Severe Thunderstorm Watch | SPC | Knox, Lewis, Lincoln, Marion, Pike, Ralls and 4 more | 7 hr |
Nearby
Mesoscale Discussions in Missouri, 2018Every mesoscale discussion in 2018
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.