Alert archive / Kansas / Mesoscale Discussions in 2005
Mesoscale Discussion 849
The Storm Prediction Center issued this mesoscale discussion at May 12, 2005, 8:26 PM CDT for 10 counties in Kansas; 5 counties in Missouri. It was in force for 34 min.
The area
The outline as issued.
The facts
- Issued
- May 12, 2005, 8:26 PM CDT (01:26 UTC)
- Expired
- May 12, 2005, 9:00 PM CDT
- In force
- 34 min
- Issued by
- the Storm Prediction Center
Counties Atchison County, KS, Douglas County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Buchanan County, MO, Cass County, MO, Clay County, MO, Jackson County, MO, Platte County, MO
The radar
The Topeka radar (KTWX), 42 km from the middle of the area, began a volume at 01:27 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
Omaha, NE (KOAX), launched 00:00Z, 1.4 hours before the alert went out and 256 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
- 536 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 760 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 130126 SWOMCD SPC MCD 130126 MOZ000-KSZ000-130200- MESOSCALE DISCUSSION 0849 NWS STORM PREDICTION CENTER NORMAN OK 0826 PM CDT THU MAY 12 2005 AREAS AFFECTED...NERN KS INTO NWRN MO CONCERNING...TORNADO WATCH 259... VALID 130126Z - 130200Z THOUGH THE THREAT OF ISOLATED LARGE HAIL MAY PERSIST BEYOND 02Z...TORNADO WATCH 259 WILL LIKELY BE ALLOWED TO EXPIRE AT 02Z. TRAILING COLD POOL ASSOCIATED WITH QUASI-LINEAR MCS MOVING EWD ACROSS NWRN MO HAS PUSHED S OF REMAINING PORTION OF WW AREA. THOUGH ISOLATED LARGE HAIL STILL REMAINS POSSIBLE WITH ELEVATED TSTMS N OF OUTFLOW BOUNDARY...IT APPEARS THAT THE POTENTIAL FOR ORGANIZED SEVERE HAS DIMINISHED SUFFICIENTLY TO ALLOW THE WW TO EXPIRE AT 02Z. ..MEAD.. 05/13/2005 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...EAX...TOP... 39189676 39759449 38619416 38599660
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 9:35 PM CDT | Mesoscale Discussion | SPC | Barber, Butler, Chase, Coffey, Comanche, Cowley and 14 more | 85 min |
| May 13, 3:50 PM CDT | Mesoscale Discussion | SPC | Chautauqua, Harper, Montgomery | 85 min |
| May 13, 5:05 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Bourbon, Chautauqua, Cherokee, Comanche, Cowley and 8 more | 7 hr |
| May 12, 10:00 PM CDT | Mesoscale Discussion | SPC | Adair, Audrain, Boone, Callaway, Cole, Cooper and 22 more | 90 min |
| May 12, 10:40 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Lewis, Lincoln, Marion, Montgomery, Pike and 5 more | 6 hr |
| May 13, 12:41 PM CDT | Mesoscale Discussion | SPC | Mississippi, New Madrid, Pemiscot | 2 hr |
| May 13, 1:20 PM CDT | Severe Thunderstorm Watch | SPC | Mississippi | 7 hr |
| May 13, 2:41 PM CDT | Mesoscale Discussion | SPC | Camden, Crawford, Dade, Dallas, Franklin, Gasconade and 15 more | 2 hr |
| May 13, 4:47 PM CDT | Mesoscale Discussion | SPC | Mississippi | 88 min |
Nearby
Mesoscale Discussions in Kansas, 2005Mesoscale Discussions in Missouri, 2005Every mesoscale discussion in 2005
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.