Alert archive / Kansas / Mesoscale Discussions in 2011
Mesoscale Discussion 917
The Storm Prediction Center issued this mesoscale discussion at May 24, 2011, 1:24 AM MDT for Kit Carson County, Colorado; 18 counties in Kansas. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- May 24, 2011, 1:24 AM MDT (07:24 UTC)
- Expired
- May 24, 2011, 3:00 AM MDT
- In force
- 96 min
- Issued by
- the Storm Prediction Center
Counties Kit Carson County, CO, Cheyenne County, KS, Decatur County, KS, Ellis County, KS, Gove County, KS, Graham County, KS, Hodgeman County, KS, Lane County, KS, Logan County, KS, Ness County, KS, Rawlins County, KS, Rush County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS
The radar
The Goodland radar (KGLD), 58 km from the middle of the area, began a volume at 07:25 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
Dodge City, (KDDC), launched 00:00Z, 7.4 hours before the alert went out and 182 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
- 379 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 2280 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
686
ACUS11 KWNS 240724
SWOMCD
SPC MCD 240724
KSZ000-COZ000-240900-
MESOSCALE DISCUSSION 0917
NWS STORM PREDICTION CENTER NORMAN OK
0224 AM CDT TUE MAY 24 2011
AREAS AFFECTED...FAR NORTHEAST CO/NORTHWEST KS
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 240724Z - 240900Z
STRONG/SEVERE TSTMS ARE LIKELY TO CONTINUE TO DEVELOP
EAST-SOUTHEASTWARD OVERNIGHT FROM FAR NORTHEAST CO INTO NORTHWEST
KS...WITH SEVERE HAIL AS THE PRIMARY HAZARD.
THE LEADING EDGE OF LARGE SCALE HEIGHT FALLS AND ELEVATED
WAA/MOISTURE TRANSPORT NORTH OF A HIGH PLAINS SURFACE FRONT SHOULD
SUPPORT TSTM DEVELOPMENT OVERNIGHT EAST-SOUTHEASTWARD FROM FAR
NORTHEAST CO INTO NORTHWEST/WEST-CENTRAL KS. WITH AMPLE SHEAR
THROUGH THE CLOUD BEARING LAYER...A STEEP LAPSE RATE ENVIRONMENT
WITH MODERATE ELEVATED INSTABILITY WILL FAVOR ORGANIZED/SUSTAINED
MULTICELLS/SOME ELEVATED SUPERCELLS CAPABLE OF SEVERE HAIL.
..GUYER.. 05/24/2011
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GID...DDC...GLD...
LAT...LON 39230295 39830237 39860066 39519953 38589911 38039969
38480174 39230295SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 1:42 AM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Yuma | 4 hr |
| May 24, 9:37 AM MDT | Mesoscale Discussion | SPC | Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln, Phillips and 2 more | 83 min |
| May 24, 12:27 PM MDT | Tornado Watch | SPC | Baca, Cheyenne, Kiowa, Kit Carson, Prowers | 6 hr |
| May 24, 5:21 AM MDT | Mesoscale Discussion | SPC | Barton, Chase, Clay, Cloud, Dickinson, Edwards and 25 more | 54 min |
| May 24, 5:51 AM MDT | Severe Thunderstorm Watch | SPC | Barton, Brown, Butler, Chase, Clay, Cloud and 37 more | 5 hr |
| May 24, 8:18 AM MDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Chase, Clay and 28 more | 87 min |
| May 24, 11:59 AM MDT | Mesoscale Discussion | SPC | Barton, Edwards, Ellis, Ellsworth, Finney, Ford and 26 more | 91 min |
| May 24, 1:35 PM MDT | Mesoscale Discussion | SPC | Barber, Barton, Butler, Chase, Chautauqua, Coffey and 27 more | 85 min |
| May 24, 2:14 PM MDT | Tornado Watch | SPC | Allen, Barton, Butler, Chase, Chautauqua, Cowley and 20 more | 9 hr |
| May 24, 4:03 PM MDT | Mesoscale Discussion | SPC | Clay, Cloud, Dickinson, Geary, Jewell, Lincoln and 11 more | 57 min |
| May 24, 4:19 PM MDT | Tornado Watch | SPC | Anderson, Brown, Clay, Cloud, Coffey, Dickinson and 23 more | 7 hr |
Nearby
Mesoscale Discussions in Kansas, 2011Mesoscale Discussions in Colorado, 2011Every mesoscale discussion in 2011
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.