Alert archive / Kansas / Mesoscale Discussions in 2012
Mesoscale Discussion 524
The Storm Prediction Center issued this mesoscale discussion at Apr 14, 2012, 12:11 PM CDT for 25 counties in Kansas; 6 counties in Oklahoma. It was in force for 64 min.
The area
The outline as issued.
The facts
- Issued
- Apr 14, 2012, 12:11 PM CDT (17:11 UTC)
- Expired
- Apr 14, 2012, 1:15 PM CDT
- In force
- 64 min
- Issued by
- the Storm Prediction Center
All 31 counties
Butler County, KS, Chase County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Dickinson County, KS, Elk County, KS, Geary County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Labette County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Montgomery County, KS, Morris County, KS, Osage County, KS, Reno County, KS, Sedgwick County, KS, Sumner County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Grant County, OK, Kay County, OK, Noble County, OK, Osage County, OK, Pawnee County, OK, Washington County, OK
The radar
The Wichita radar (KICT), 32 km from the middle of the area, began a volume at 17:13 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
Lamont, OK (KLMN), launched 12:00Z, 5.2 hours before the alert went out and 136 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
- 831 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 634 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 509 m²/s²
- 0-3 km storm-relative helicity
- 470 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.4
The text
As transmitted, in the capitals the NWS used until 2016.
524
ACUS11 KWNS 141712
SWOMCD
SPC MCD 141711
KSZ000-OKZ000-141815-
MESOSCALE DISCUSSION 0524
NWS STORM PREDICTION CENTER NORMAN OK
1211 PM CDT SAT APR 14 2012
AREAS AFFECTED...SERN/S-CNTRL KS AND NERN OK
CONCERNING...TORNADO WATCH 165...
VALID 141711Z - 141815Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 165 CONTINUES.
WICHITA WSR-88D RADAR DATA INDICATE CONVECTION DEVELOPING OVER ERN
KINGMAN COUNTY AND SURROUNDING AREAS IN ASSOCIATION WITH A LOBE OF
ASCENT TRANSLATING NEWD FROM NRN OK PER WATER VAPOR IMAGERY. WITH
DEEPENING BOUNDARY-LAYER CIRCULATIONS AMIDST STRENGTHENING
INSTABILITY AND WEAKENING CINH /SBCINH ALREADY LESS NEGATIVE THAN
-10 J PER KG ACCORDING TO MODIFIED RUC SOUNDINGS/...CONVECTION MAY
RAPIDLY DEEPEN AND BECOME TORNADIC GIVEN THE STRONG LOW-LEVEL AND
DEEP-LAYER SHEAR. AS SUCH...THE PARTICULARLY DANGEROUS SITUATION
TORNADO WATCH 165 MAY NEED TO BE EXPANDED EWD INTO MORE OF SERN KS
AND POSSIBLY NERN OK IF THIS THREAT CONTINUES TO INCREASE.
..COHEN.. 04/14/2012
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...TSA...TOP...ICT...OUN...
LAT...LON 38309805 38809759 39239658 38729560 37119528 36239636
36409740 37179826 37919827 38309805SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 9:14 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 17 more | 61 min |
| Apr 14, 3:42 AM CDT | Tornado Watch | SPC | Chautauqua, Labette, Montgomery | 5 hr |
| Apr 14, 7:11 AM CDT | Mesoscale Discussion | SPC | Cherokee, Labette | 64 min |
| Apr 14, 9:42 AM CDT | Mesoscale Discussion | SPC | Clark, Finney, Ford, Gove, Grant, Gray and 10 more | 93 min |
| Apr 14, 10:43 AM CDT | Tornado Watch | SPC | Barber, Barton, Clark, Clay, Cloud, Comanche and 42 more | 7 hr |
| Apr 14, 11:44 AM CDT | Mesoscale Discussion | SPC | Barber, Barton, Clark, Clay, Cloud, Comanche and 40 more | 61 min |
| Apr 14, 1:41 PM CDT | Mesoscale Discussion | SPC | Decatur, Rawlins | 2 hr |
| Apr 14, 1:44 PM CDT | Mesoscale Discussion | SPC | Barton, Clark, Cloud, Edwards, Ellis, Ellsworth and 20 more | 61 min |
| Apr 14, 2:28 PM CDT | Mesoscale Discussion | SPC | Clay, Cloud, Jewell, Lincoln, Mitchell, Ottawa and 2 more | 32 min |
| Apr 14, 3:01 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Clark, Comanche, Edwards, Ellsworth and 10 more | 29 min |
| Apr 14, 3:48 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Clark, Clay, Cloud, Comanche and 33 more | 57 min |
| Apr 14, 4:47 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Nemaha | 58 min |
| Apr 14, 4:54 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Clay, Cloud, Comanche, Dickinson and 32 more | 66 min |
| Apr 14, 5:00 PM CDT | Tornado Watch | SPC | Doniphan | 7 hr |
| Apr 14, 5:24 PM CDT | Tornado Watch | SPC | Barber, Barton, Brown, Butler, Chase, Chautauqua and 57 more | 9 hr |
| Apr 13, 7:35 PM CDT | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Canadian, Cleveland, Comanche and 24 more | 55 min |
| Apr 13, 8:36 PM CDT | Tornado Watch | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 31 more | 7 hr |
| Apr 13, 9:58 PM CDT | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Canadian, Cleveland, Comanche and 19 more | 92 min |
| Apr 13, 11:45 PM CDT | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Canadian, Cleveland, Comanche and 20 more | 90 min |
| Apr 14, 2:40 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 31 more | 65 min |
| Apr 14, 1:23 PM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Blaine, Caddo, Canadian, Carter and 21 more | 2 hr |
Nearby
Mesoscale Discussions in Kansas, 2012Mesoscale Discussions in Oklahoma, 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.