Alert archive / Kansas / Mesoscale Discussions in 2016
Mesoscale Discussion 734
The Storm Prediction Center issued this mesoscale discussion at May 25, 2016, 10:07 PM CDT for 29 counties in Kansas; 6 counties in Missouri; 4 counties in Oklahoma. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- May 25, 2016, 10:07 PM CDT (03:07 UTC)
- Expired
- May 25, 2016, 11:30 PM CDT
- In force
- 83 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
All 39 counties
Allen County, KS, Anderson County, KS, Atchison County, KS, Butler County, KS, Chase County, KS, Coffey County, KS, Cowley County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Miami County, KS, Morris County, KS, Osage County, KS, Sedgwick County, KS, Shawnee County, KS, Sumner County, KS, Wabaunsee County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Buchanan County, MO, Cass County, MO, Clay County, MO, Jackson County, MO, Platte County, MO, Garfield County, OK, Grant County, OK, Kay County, OK, Noble County, OK
The radar
The Wichita radar (KICT), 79 km from the middle of the area, began a volume at 03:07 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
Topeka, KS (KFOE), launched 00:00Z, 3.1 hours before the alert went out and 160 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
- 1565 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 1239 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 11.3
The text
As transmitted.
145
ACUS11 KWNS 260307
SWOMCD
SPC MCD 260307
MOZ000-KSZ000-OKZ000-260430-
MESOSCALE DISCUSSION 0734
NWS STORM PREDICTION CENTER NORMAN OK
1007 PM CDT WED MAY 25 2016
AREAS AFFECTED...PORTIONS CENTRAL/ERN KS...NRN OK...WRN MO.
CONCERNING...SEVERE POTENTIAL...WATCH LIKELY
VALID 260307Z - 260430Z
PROBABILITY OF WATCH ISSUANCE...80 PERCENT
SUMMARY...EXTENDED WW 210 CONTINUES OVER PORTIONS NRN OK AND
CENTRAL/ERN KS UNTIL 04Z. TORNADO THREAT WILL PERSIST ANOTHER HOUR
OR TWO WITH SUPERCELLS IN NERN KS AND NRN OK SECTIONS OF THIS WW.
ANOTHER WW IS LIKELY TO BE NEEDED SOON FARTHER E ACROSS PARTS OF ERN
KS AND WRN MO.
DISCUSSION...ISOLATED/TORNADIC SUPERCELL IS MOVING SLOWLY EWD ACROSS
PORTIONS ALFALFA/GARFIELD/GRANT COUNTIES OK. INTERNAL DYNAMICS OF
THIS STORM MAY ALLOW IT TO PERSIST ANOTHER COUPLE HOURS...GIVEN
LLJ-EXPANDED 0-2-KM HODOGRAPHS AND FAVORABLY MOIST INFLOW.
STRENGTHENING MLCINH EVENTUALLY WILL OVERCOME FORCED ASCENT FROM
LOW/MIDLEVEL MESOCYCLONE...BUT UNTIL THEN TORNADO THREAT SHOULD
PERSIST.
NEAR AND NE OF EXISTING/LONG-LIVED SUPERCELL...LOCATED IN WABAUNSEE
COUNTY KS AS OF 03Z...PRIND CONVECTIVE COVERAGE WILL INCREASE OVER
NEXT FEW HOURS ACROSS PARTS OF ERN KS AND INTO WRN MO. FETCH OF
LOW-LEVEL WAA...MOISTURE ADVECTION/TRANSPORT WILL PERSIST IN CONCERT
WITH STRENGTHENING/PEAKING SWLY LLJ...PER VWP DATA AND FCST
SOUNDINGS. 2500-3000 J/KG MLCAPE SHOULD PERSIST AMIDST ONLY SLOWLY
INCREASING MLCINH WITH DEW POINTS COMMONLY UPPER 60S TO LOW 70S F.
MODIFIED RAOBS AND FCST SOUNDINGS ALSO SUGGEST 35-45 KT
EFFECTIVE-SHEAR MAGNITUDES IN SUPPORT OF STORM ORGANIZATION.
..EDWARDS/CORFIDI.. 05/26/2016
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...SGF...EAX...TSA...TOP...ICT...OUN...
LAT...LON 36189717 36209800 36439828 36789818 37359764 38109751
38719721 39059663 39669583 40099480 39239414 38469433
37999500 37529592 37129657 36709700 36189717SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 7:05 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Barton, Butler, Chase, Chautauqua and 28 more | 115 min |
| May 25, 11:08 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Atchison, Brown, Clay, Coffey, Dickinson and 18 more | 5 hr |
| May 25, 11:12 PM CDT | Severe Thunderstorm Watch | SPC | Douglas, Franklin, Osage, Shawnee | 5 hr |
| May 26, 10:33 AM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Douglas, Franklin, Jackson and 13 more | 57 min |
| May 26, 1:08 PM CDT | Mesoscale Discussion | SPC | Butler, Chase, Chautauqua, Clay, Cloud, Coffey and 28 more | 2 hr |
| May 26, 1:13 PM CDT | Mesoscale Discussion | SPC | Clark, Comanche, Edwards, Ford, Gray, Hodgeman and 3 more | 2 hr |
| May 26, 1:31 PM CDT | Tornado Watch | SPC | Anderson, Barber, Barton, Brown, Butler, Chase and 51 more | 10 hr |
| May 26, 1:53 PM CDT | Tornado Watch | SPC | Cheyenne, Decatur, Gove, Graham, Greeley, Jewell and 13 more | 8 hr |
| May 26, 2:09 PM CDT | Tornado Watch | SPC | Atchison, Doniphan, Johnson, Leavenworth, Linn, Miami and 1 more | 8 hr |
| May 26, 3:23 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Greeley, Logan, Sherman, Thomas, Wallace and 1 more | 2 hr |
| May 26, 4:56 PM CDT | Mesoscale Discussion | SPC | Wyandotte | 94 min |
| May 26, 5:55 PM CDT | Mesoscale Discussion | SPC | Anderson, Barber, Barton, Butler, Chase, Clark and 25 more | 95 min |
| May 26, 6:46 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Logan, Rawlins, Sheridan, Sherman and 2 more | 59 min |
| May 26, 1:45 PM CDT | Mesoscale Discussion | SPC | New Madrid, Pemiscot | 2 hr |
| May 26, 5:27 PM CDT | Mesoscale Discussion | SPC | Atchison, Nodaway, Worth | 63 min |
| May 26, 5:29 PM CDT | Severe Thunderstorm Watch | SPC | Audrain, Benton, Boone, Callaway, Camden, Cole and 15 more | 6 hr |
| May 26, 3:45 PM CDT | Mesoscale Discussion | SPC | Beaver | 60 min |
Nearby
Mesoscale Discussions in Kansas, 2016Mesoscale Discussions in Missouri, 2016Mesoscale Discussions in Oklahoma, 2016Every mesoscale discussion in 2016
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.