Alert archive / Kansas / Mesoscale Discussions in 2012
Mesoscale Discussion 376
The Storm Prediction Center issued this mesoscale discussion at Mar 28, 2012, 7:53 PM CDT for 30 counties in Kansas; 10 counties in Missouri. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 28, 2012, 7:53 PM CDT (00:53 UTC)
- Expired
- Mar 28, 2012, 10:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 40 counties
Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marshall County, KS, Miami County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Woodson County, KS, Wyandotte County, KS, Bates County, MO, Buchanan County, MO, Cass County, MO, Clay County, MO, Henry County, MO, Jackson County, MO, Johnson County, MO, Platte County, MO, Ray County, MO, Vernon County, MO
The radar
The Topeka radar (KTWX), 30 km from the middle of the area, began a volume at 00:53 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
Topeka, KS (KTOP), launched 00:00Z, 0.9 hours before the alert went out and 29 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
- 1317 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1400 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 6.6
The text
As transmitted, in the capitals the NWS used until 2016.
526
ACUS11 KWNS 290054
SWOMCD
SPC MCD 290053
MOZ000-KSZ000-NEZ000-290300-
MESOSCALE DISCUSSION 0376
NWS STORM PREDICTION CENTER NORMAN OK
0753 PM CDT WED MAR 28 2012
AREAS AFFECTED...NERN KS AND NWRN MO
CONCERNING...SEVERE THUNDERSTORM WATCH 113...
VALID 290053Z - 290300Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 113
CONTINUES.
SEVERAL SEVERE THUNDERSTORMS PERSIST OVER E CNTRL KS...WITH A COUPLE
SUPERCELLS NOTED ON RADAR. THE STRONGEST CELL WAS LOCATED OVER NRN
GREENWOOD COUNTY AND LYON COUNTY WITH A SUBSTANTIAL MESOCYCLONES
NOTED ON RADAR. THE SRN CELL MAY PERSIST INTO WOODSON AND ALLEN
COUNTIES.
THE 00Z TOP SOUNDING REVEALS A FAVORABLE PROFILE FOR SIG HAIL...AND
ALSO A LARGE ENOUGH CURVED HODOGRAPH FOR SUPERCELLS. RECENTLY...VWPS
HAVE SHOWN SOME INCREASE IN SRH AND A FEW CELLS HAVE TURNED RIGHT.
WITH LOW LCLS...SUBSTANTIAL BUOYANCY AND SLIGHTLY STRONG LOW LEVEL
FLOW...A BRIEF TORNADO CANNOT BE RULED OUT ACROSS ERN KS.
OTHER ACTIVITY WAS BEGINNING TO DEVELOP NEAR CONCORDIA AND MAY
PRODUCE LARGE HAIL AS WELL WITH TIME.
..JEWELL.. 03/29/2012
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...SGF...EAX...OAX...TOP...ICT...GID...
LAT...LON 37549440 37759558 37909607 38139635 38589654 39059692
39319744 39419799 39659815 40039798 40169754 39969570
39659459 39259387 38649365 38159367 37549440SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 8:17 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Greenwood, Woodson | 4 hr |
| Mar 28, 11:21 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Nemaha | 84 min |
| Mar 29, 4:50 PM CDT | Mesoscale Discussion | SPC | Barber, Comanche, Dickinson, Harper, Harvey, Kingman and 6 more | 55 min |
| Mar 29, 4:54 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Jackson, Marshall, Nemaha and 2 more | 36 min |
| Mar 29, 5:10 PM CDT | Tornado Watch | SPC | Atchison, Brown, Doniphan, Jackson, Jefferson, Marshall and 3 more | 6 hr |
| Mar 29, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Butler, Chase, Coffey, Cowley, Douglas and 13 more | 8 hr |
| Mar 29, 6:58 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Jackson, Jefferson, Marshall and 4 more | 62 min |
| Mar 29, 11:53 AM CDT | Mesoscale Discussion | SPC | Caldwell, Carroll, Chariton, Daviess, Grundy, Howard and 5 more | 97 min |
Nearby
Mesoscale Discussions in Kansas, 2012Mesoscale Discussions in Missouri, 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.