Alert archive / Missouri / Mesoscale Discussions in 2017
Mesoscale Discussion 374
The Storm Prediction Center issued this mesoscale discussion at Mar 29, 2017, 9:44 PM CDT for 12 counties in Arkansas; 30 counties in Missouri. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Mar 29, 2017, 9:44 PM CDT (02:44 UTC)
- Expired
- Mar 29, 2017, 11:15 PM CDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
All 42 counties
Baxter County, AR, Cleburne County, AR, Faulkner County, AR, Fulton County, AR, Independence County, AR, Izard County, AR, Pulaski County, AR, Randolph County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Boone County, MO, Callaway County, MO, Carter County, MO, Cole County, MO, Crawford County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Howell County, MO, Iron County, MO, Jefferson County, MO, Madison County, MO, Maries County, MO, Miller County, MO, Montgomery County, MO, Oregon County, MO, Osage County, MO, Phelps County, MO, Pulaski County, MO, Reynolds County, MO, Ripley County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shannon County, MO, Texas County, MO, Warren County, MO, Washington County, MO, Wayne County, MO
The radar
The Springfield radar (KSGF), 171 km from the middle of the area, began a volume at 02:48 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 nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.7 hours before the alert went out and 202 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
- 708 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1134 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.6
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 |
|---|---|---|---|---|
| Mar 29, 7:26 PM CDT | Tornado Watch | SPC | Ashley, Chicot | 8 hr |
| Mar 29, 7:34 PM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Clark, Conway, Fulton, Garland and 23 more | 86 min |
| Mar 29, 9:58 PM CDT | Mesoscale Discussion | SPC | Ashley, Chicot, Drew | 92 min |
| Mar 29, 7:52 PM CDT | Mesoscale Discussion | SPC | Bollinger, Butler, Carter, Crawford, Franklin, Gasconade and 9 more | 53 min |
| Mar 29, 8:22 PM CDT | Tornado Watch | SPC | Boone, Butler, Callaway, Carter, Cole, Crawford and 15 more | 5 hr |
| Mar 30, 11:56 AM CDT | Mesoscale Discussion | SPC | Bollinger, Cape Girardeau, Madison, Mississippi, New Madrid, Perry and 5 more | 64 min |
| Mar 30, 12:31 PM CDT | Severe Thunderstorm Watch | SPC | Cape Girardeau, Mississippi, New Madrid, Perry, Sainte Genevieve, Scott | 7 hr |
Nearby
Mesoscale Discussions in Missouri, 2017Mesoscale Discussions in Arkansas, 2017Every mesoscale discussion in 2017
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.