Alert archive / Missouri / Mesoscale Discussions in 2012
Mesoscale Discussion 951
The Storm Prediction Center issued this mesoscale discussion at May 28, 2012, 11:06 PM CDT for 4 counties in Kansas; 18 counties in Missouri; 5 counties in Oklahoma. It was in force for 54 min.
The area
The outline as issued.
The facts
- Issued
- May 28, 2012, 11:06 PM CDT (04:06 UTC)
- Expired
- May 29, 2012, 12:00 AM CDT
- In force
- 54 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 27 counties
Cherokee County, KS, Crawford County, KS, Labette County, KS, Montgomery County, KS, Barton County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Cole County, MO, Dade County, MO, Dallas County, MO, Hickory County, MO, Jasper County, MO, Lawrence County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Polk County, MO, St. Clair County, MO, Vernon County, MO, Craig County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Washington County, OK
The radar
The Springfield radar (KSGF), 104 km from the middle of the area, began a volume at 04:07 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, 4.1 hours before the alert went out and 86 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
- 1923 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1564 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
712
ACUS11 KWNS 290406
SWOMCD
SPC MCD 290406
MOZ000-OKZ000-KSZ000-290500-
MESOSCALE DISCUSSION 0951
NWS STORM PREDICTION CENTER NORMAN OK
1106 PM CDT MON MAY 28 2012
AREAS AFFECTED...NERN OK...EXTREME SERN KS THROUGH SWRN AND CNTRL MO
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 290406Z - 290500Z
PROBABILITY OF WATCH ISSUANCE...20 PERCENT
SUMMARY...STORMS DEVELOPING FROM NERN OK INTO SWRN AND CNTRL MO WILL
REMAIN CAPABLE OF ISOLATED STRONG WIND GUSTS AND SOME HAIL THROUGH
06Z. DUE TO THE SHORT DURATION AND ISOLATED NATURE OF ANY SEVERE
EVENTS...WW IS NOT ANTICIPATED.
DISCUSSION...STORMS HAVE DEVELOPED AND INTENSIFIED ALONG COLD FRONT
FROM NERN OK INTO CNTRL MO...AS WELL AS ALONG OUTFLOW BOUNDARY IN
NERN OK. ACTIVITY IS DEVELOPING WITHIN NARROW AXIS OF 1500-2000 J/KG
MLCAPE AND WITHIN A MODEST SHEAR ENVIRONMENT SUGGESTING STORMS WILL
REMAIN ONLY LOOSELY ORGANIZED...BUT CAPABLE OF ISOLATED STRONG WIND
GUSTS AND SOME HAIL. WITH ONSET OF NOCTURNAL COOLING...NO
SIGNIFICANT INCREASE IN LLJ...AND NARROW EXTENT OF INSTABILITY
AXIS...COVERAGE OF SEVERE EVENTS WILL PROBABLY REMAIN SPARSE.
..DIAL/HART.. 05/29/2012
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...LSX...SGF...EAX...TSA...ICT...
LAT...LON 36919659 37519526 38739245 38459165 37769244 36489514
36249638 36919659SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 3:06 PM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Meade, Seward | 84 min |
| May 29, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Clark, Comanche, Harper, Meade, Sumner | 12 hr |
| May 29, 6:47 PM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Harper, Sumner | 88 min |
| May 28, 7:44 PM CDT | Mesoscale Discussion | SPC | Bryan, Carter, Coal, Garvin, Hughes, Johnston and 7 more | 91 min |
| May 28, 9:51 PM CDT | Mesoscale Discussion | SPC | Canadian, Creek, Kingfisher, Lincoln, Logan, Oklahoma and 2 more | 54 min |
Nearby
Mesoscale Discussions in Missouri, 2012Mesoscale Discussions in Oklahoma, 2012Mesoscale Discussions in Kansas, 2012Every mesoscale discussion in 2012
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.