Alert archive / Missouri / Mesoscale Discussions in 2017
Mesoscale Discussion 232
The Storm Prediction Center issued this mesoscale discussion at Mar 1, 2017, 12:16 AM CST for 34 counties in Missouri. It was in force for 89 min.
The area
The outline as issued.
The facts
- Issued
- Mar 1, 2017, 12:16 AM CST (06:16 UTC)
- Expired
- Mar 1, 2017, 1:45 AM CST
- In force
- 89 min
- Issued by
- the Storm Prediction Center
All 34 counties
Barton 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, Iron County, MO, Jasper County, MO, Jefferson County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Reynolds County, MO, Saint Francois County, MO, Shannon County, MO, Texas County, MO, Washington County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 92 km from the middle of the area, began a volume at 06:18 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, 6.3 hours before the alert went out and 142 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
- 1117 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 931 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 315 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 8.2
The text
As transmitted.
606
ACUS11 KWNS 010616
SWOMCD
SPC MCD 010616
MOZ000-OKZ000-KSZ000-010745-
Mesoscale Discussion 0232
NWS Storm Prediction Center Norman OK
1216 AM CST Wed Mar 01 2017
Areas affected...Portions of southwestern and central Missouri
Concerning...Tornado Watch 47...
Valid 010616Z - 010745Z
The severe weather threat for Tornado Watch 47 continues.
SUMMARY...Severe thunderstorms will progress eastward across Watch
47 through the overnight hours, with a continuing threat for
damaging winds and a couple tornadoes.
DISCUSSION...The composite cold front/outflow boundary has begun to
accelerate east/southeast across northern portions of Tornado Watch
47 early this morning. While several updrafts have become rooted
over top of the cold pool, a few cells remain rooted along/near the
surface boundary. KSGF VWP data recently sampled southwesterly flow
around 60-70 kts at 1 km above ground level, with a fairly
uni-directional wind profile at low/mid levels. In turn, small
bowing structures should continue advancing east/northeastward
across Watch 47, with an attendant threat for damaging winds with
any near-surface-based parcels. Additionally, strong 0-1-km shear
could still favor a tornado or two within any embedded supercell
structures as storms advance to the east.
..Picca.. 03/01/2017
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...PAH...LSX...SGF...TSA...
LAT...LON 37129488 37669414 38559288 38659176 38809083 38569042
37879032 37249080 36859161 36809296 36829470 37129488SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 6:05 PM CST | Mesoscale Discussion | SPC | Adair, Audrain, Barton, Bates, Benton, Boone and 39 more | 115 min |
| Feb 28, 6:23 PM CST | Tornado Watch | SPC | Adair, Bates, Carroll, Cass, Chariton, Cooper and 15 more | 5 hr |
| Feb 28, 7:46 PM CST | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Carter, Dunklin, Madison and 10 more | 119 min |
| Feb 28, 8:06 PM CST | Mesoscale Discussion | SPC | Clark, Lewis | 84 min |
| Feb 28, 8:29 PM CST | Tornado Watch | SPC | Bollinger, Butler, Cape Girardeau, Carter, Dunklin, Mississippi and 7 more | 12 hr |
| Feb 28, 9:04 PM CST | Tornado Watch | SPC | Audrain, Barry, Barton, Benton, Boone, Callaway and 54 more | 7 hr |
| Feb 28, 10:01 PM CST | Mesoscale Discussion | SPC | Barry, Barton, Bates, Benton, Camden, Cedar and 14 more | 119 min |
| Feb 28, 10:09 PM CST | Mesoscale Discussion | SPC | Bollinger, Cape Girardeau, Perry | 66 min |
| Mar 1, 2:09 AM CST | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Carter, Dunklin, Madison and 9 more | 2 hr |
| Mar 1, 3:03 AM CST | Tornado Watch | SPC | Bollinger, Butler, Cape Girardeau, Carter, Dunklin, Mississippi and 7 more | 5 hr |
| Mar 1, 4:19 AM CST | Mesoscale Discussion | SPC | Mississippi | 56 min |
Nearby
Mesoscale Discussions in Missouri, 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.