Alert archive / Kansas / Mesoscale Discussions in 2011
Mesoscale Discussion 1010
The Storm Prediction Center issued this mesoscale discussion at May 28, 2011, 6:34 PM CDT for 17 counties in Kansas; Barton County, Vernon County, Missouri; 10 counties in Oklahoma. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- May 28, 2011, 6:34 PM CDT (23:34 UTC)
- Expired
- May 28, 2011, 8:30 PM CDT
- In force
- 116 min
- Issued by
- the Storm Prediction Center
All 29 counties
Allen County, KS, Anderson County, KS, Bourbon County, KS, Butler County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Linn County, KS, Montgomery County, KS, Neosho County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Vernon County, MO, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Logan County, OK, Noble County, OK, Oklahoma County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK
The radar
The Tulsa radar (KINX), 119 km from the middle of the area, began a volume at 23:35 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, 11.6 hours before the alert went out and 114 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
- 290 J/kg
- Mixed-layer CIN
- -597 J/kg
- Mixed-layer LCL
- 642 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 295 m²/s²
- 0-3 km storm-relative helicity
- 391 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
014
ACUS11 KWNS 282335
SWOMCD
SPC MCD 282334 COR
MOZ000-KSZ000-OKZ000-290130-
MESOSCALE DISCUSSION 1010
NWS STORM PREDICTION CENTER NORMAN OK
0634 PM CDT SAT MAY 28 2011
AREAS AFFECTED...PORTIONS CENTRAL/NRN OK...SRN KS...SWRN MO.
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 282334Z - 290130Z
CORRECTED FOR TYPO IN GEOGRAPHY
ISOLATED SVR TSTM MAY DEVELOP OVER KINGFISHER COUNTY SOON...AND
ADDITIONAL DEVELOPMENT MAY OCCUR THIS EVENING FARTHER NE ALONG AND N
OF SFC WARM FRONT OVER NRN OK...SERN KS AND SERN MO.
CONVENTIONAL AND MESONET DATA INDICATES SFC TRIPLE-POINT LOW INVOF
CSM...WITH DRYLINE CURVING SEWD JUST E OF FSI AND SPS. WARM FRONT
CURVES NEWD ACROSS KINGFISHER/OSAGE COUNTIES TO SERN KS...TO NEAR
VIH. FRONT IS FCST TO CONTINUE MOVING NWD FROM NRN OK INTO SRN
KS...WITH SFC LOW LOSING SOME DEFINITION AFTER DARK. VIS IMAGERY
INDICATES CONCENTRATED AREA OF CONVECTIVE TOWERS AND YOUNG CB OVER
KINGFISHER COUNTY...JUST NE OF LOW...AND CORRESPONDING TO INCREASING
RADAR REFLECTIVITIES. THIS AREA IS CHARACTERIZED BY MAXIMIZED
BOUNDARY-LAYER CONVERGENCE NE OF SFC LOW AND STG DIABATIC
HEATING...WHICH HAS REDUCED MLCINH TO BELOW 25 J/KG. MODIFIED 18Z
LMN RAOB AND RUC SOUNDINGS SUGGEST MID-70S F SFC DEW POINTS
CONTRIBUTE TO 4000-5000 J/KG MLCAPE. NARROW CORRIDOR OF FAVORABLE
EFFECTIVE SRH EXTENDS NEWD ALONG WARM FRONT WHERE FLOW IS RELATIVELY
BACKED...AMIDST EFFECTIVE SHEAR MAGNITUDES 35-40 KT. ANY SUSTAINED
CONVECTION MAY BECOME SUPERCELLULAR WITH RISK OF LARGE HAIL AND
DAMAGING GUSTS. TORNADO POTENTIAL IS MORE CONDITIONAL ON
STORM-SCALE PROCESSES...PARTICULARLY NEAR SUNSET AS LCL LOWERS.
FARTHER NE AND N OF FRONT...SEVERAL SHORT-RANGE MODELS INDICATE
CONVECTIVE DEVELOPMENT EITHER SEPARATE FROM...OR AS NEWD
MOVEMENT/EXTENSION OF...DIURNAL ACTIVITY IN OK. FAVORABLE
DEEP-LAYER SHEAR AND MOISTURE WILL LEAD TO POTENTIAL FOR LARGE HAIL
IN ELEVATED WAA ZONE WITH ANY SUCH CONVECTION.
..EDWARDS.. 05/28/2011
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...SGF...EAX...TSA...TOP...ICT...OUN...
LAT...LON 35709819 36329799 37959733 38569543 38429461 38139415
37559391 36769624 35479715 35709819SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 2:50 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Barber, Barton, Bourbon, Butler and 44 more | 85 min |
| May 28, 4:11 AM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Bourbon, Butler, Chase, Coffey and 17 more | 5 hr |
| May 28, 6:06 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Chase, Coffey, Crawford and 6 more | 84 min |
| May 28, 12:15 PM CDT | Mesoscale Discussion | SPC | Adair, Audrain, Boone, Caldwell, Carroll, Chariton and 22 more | 90 min |
| May 28, 5:39 PM CDT | Mesoscale Discussion | SPC | Lincoln, Saint Charles, Saint Louis, Warren, City of Saint Louis | 66 min |
Nearby
Mesoscale Discussions in Kansas, 2011Mesoscale Discussions in Oklahoma, 2011Mesoscale Discussions in Missouri, 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.