Alert archive / Kansas / Mesoscale Discussions in 2012
Mesoscale Discussion 903
The Storm Prediction Center issued this mesoscale discussion at May 25, 2012, 10:44 PM CDT for 6 counties in Kansas. It was in force for 61 min.
The area
The outline as issued.
The facts
- Issued
- May 25, 2012, 10:44 PM CDT (03:44 UTC)
- Expired
- May 25, 2012, 11:45 PM CDT
- In force
- 61 min
- Issued by
- the Storm Prediction Center
Counties Barton County, KS, Ellsworth County, KS, Lincoln County, KS, Pawnee County, KS, Rush County, KS, Russell County, KS
The radar
The Dodge City radar (KDDC), 128 km from the middle of the area, began a volume at 03:46 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
Dodge City, (KDDC), launched 00:00Z, 3.7 hours before the alert went out and 123 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
- 1736 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 2725 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 10.4
The text
As transmitted, in the capitals the NWS used until 2016.
435 ACUS11 KWNS 260344 SWOMCD SPC MCD 260344 KSZ000-260445- MESOSCALE DISCUSSION 0903 NWS STORM PREDICTION CENTER NORMAN OK 1044 PM CDT FRI MAY 25 2012 AREAS AFFECTED...CENTRAL KS CONCERNING...TORNADO WATCH 298... VALID 260344Z - 260445Z THE SEVERE WEATHER THREAT FOR TORNADO WATCH 298 CONTINUES. SUMMARY...THREAT FOR TORNADOES CONTINUES WITH A LARGE SUPERCELL STORM OVER NERN RUSH COUNTY. DISCUSSION...RADAR LOOP OVER THE PAST HOUR HAS REVEALED A GENERAL DOWNWARD TREND IN CONVECTION ACROSS TORNADO WATCH 298...THOUGH TWO SUPERCELLS -- ONE OF WHICH REMAINS VERY INTENSE -- CONTINUE ACROSS CENTRAL KS ATTM. THIS STRONGEST CELL -- AFFECTING MAINLY NERN RUSH AND SERN ELLIS COUNTY ATTM -- HAS GENERATED NUMEROUS TORNADO REPORTS OVER THE PAST HOUR...AND LATEST REPORTS SUGGEST THAT THE STORM REMAINS TORNADIC. AS THE BOUNDARY LAYER CONTINUES TO COOL AND CAPPING INCREASES OVER THE NEXT COUPLE OF HOURS...EXPECT THE OVERALL/GENERAL DECREASING TREND TO CONTINUE WITH THE ONGOING CONVECTION. FOR THE NEXT HOUR OR SO HOWEVER...THREAT FOR TORNADOES AND/OR OTHER SUBSTANTIAL SEVERE WEATHER CONTINUES ACROSS THIS SMALL PORTION OF CENTRAL KS. ..GOSS.. 05/26/2012 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...ICT...GID...DDC... LAT...LON 38119970 38649964 39269843 39259793 38159827 38119970
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 8:29 PM CDT | Mesoscale Discussion | SPC | Barton, Ellis, Ellsworth, Lincoln, Mitchell, Ness and 5 more | 2 hr |
| May 25, 8:43 PM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Edwards, Ford, Kingman and 4 more | 62 min |
| May 25, 9:17 PM CDT | Mesoscale Discussion | SPC | Phillips, Smith | 88 min |
| May 26, 2:46 PM CDT | Mesoscale Discussion | SPC | Finney, Grant, Gray, Hamilton, Haskell, Kearny and 5 more | 119 min |
Nearby
Mesoscale 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.