Alert archive / Kansas / Mesoscale Discussions in 2014

Mesoscale Discussion 252

April 3, 201434 counties in Kansas; 28 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Apr 3, 2014, 12:00 AM CDT for 34 counties in Kansas; 28 counties in Missouri. It was in force for 90 min.

The area

The outline as issued.

The facts

Issued
Apr 3, 2014, 12:00 AM CDT (05:00 UTC)
Expired
Apr 3, 2014, 1:30 AM CDT
In force
90 min
Issued by
the Storm Prediction Center
All 62 counties

Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Chase County, KS, Clay County, KS, Coffey County, KS, Crawford County, KS, Dickinson County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Geary County, KS, Greenwood 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, Neosho County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Riley County, KS, Saline County, KS, Shawnee County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Clay County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Laclede County, MO, Lafayette County, MO, Moniteau County, MO, Morgan County, MO, Pettis County, MO, Platte County, MO, Polk County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 78 km from the middle of the area, began a volume at 04:59 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

Topeka, KS (KFOE), launched 00:00Z, 5.0 hours before the alert went out and 77 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.

Skew-T log-pSkew-T log-p diagram, Topeka, KS at 00:00Z on 2014-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2014-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 427 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
4 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
428 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
427 m²/s²
0-3 km storm-relative helicity
529 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

371 
ACUS11 KWNS 030500
SWOMCD
SPC MCD 030500 
MOZ000-KSZ000-030630-

MESOSCALE DISCUSSION 0252
NWS STORM PREDICTION CENTER NORMAN OK
1200 AM CDT THU APR 03 2014

AREAS AFFECTED...ERN/NERN KS AND WRN INTO PARTS OF CENTRAL MO

CONCERNING...SEVERE THUNDERSTORM WATCH 47...48...

VALID 030500Z - 030630Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
47...48...CONTINUES.

SUMMARY...LOCAL TEMPORAL EXTENSION FOR WW 47 MAY BE NEEDED BY
06Z...GIVEN A FEW OF THE ONGOING STRONGER STORMS IN THIS WATCH MAY
NOT EXIT OR DIMINISH IN INTENSITY BY 06Z.  OTHERWISE...STRONG TO
SEVERE STORMS WILL CONTINUE TO DEVELOP AND POSE A THREAT ACROSS WW
48.

DISCUSSION...AT 04Z...SURFACE ANALYSIS SHOWED A WARM FRONT EXTENDING
FROM THE NWRN OK BORDER WITH KS THROUGH SERN KS /NORTH OF KCNU/ AND
THEN EWD INTO WEST CENTRAL MO /NEAR THE VERNON/BATES COUNTIES
LINE/...AND TO FAR SRN IL.  INCREASING LOW LEVEL WAA ACROSS WW/S 47
AND 48 INTO THE EARLY OVERNIGHT SUGGESTS ADDITIONAL STORMS WILL
CONTINUE TO DEVELOP WITHIN A MODERATELY UNSTABLE ENVIRONMENT...WITH
ACTIVITY MAINLY LOCATED ALONG AND NORTH OF THE WARM FRONT...WHILE
THE OVERALL CONVECTIVE COMPLEX SHIFTS EWD INTO MO.

..PETERS.. 04/03/2014

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LSX...SGF...EAX...TOP...ICT...

LAT...LON   37629651 37949719 38619770 39279778 39619722 39619563
            39529444 39689276 39329251 38779253 38419266 37519227
            37299381 37359516 37439624 37629651

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 7:25 PM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Barber, Butler, Chase, Clay and 32 more8 hr
Apr 2, 9:36 PM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Butler, Chase, Coffey and 22 more54 min
Apr 2, 9:59 PM CDTSevere Thunderstorm WatchSPCBourbon, Crawford, Johnson, Leavenworth, Linn, Miami and 1 more7 hr
Apr 3, 1:05 AM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Cloud, Doniphan, Jackson and 9 more55 min
Apr 3, 2:49 AM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Crawford, Douglas and 8 more116 min
Apr 3, 12:33 PM CDTMesoscale DiscussionSPCAllen, Bourbon, Cherokee, Crawford, Labette, Linn and 2 more87 min
Apr 3, 1:15 PM CDTTornado WatchSPCBourbon, Cherokee, Crawford8 hr
Apr 3, 9:18 AM CDTMesoscale DiscussionSPCBarry, Camden, Cedar, Christian, Dade, Dallas and 18 more57 min
Apr 3, 9:33 AM CDTTornado WatchSPCBarry, Camden, Christian, Dallas, Dent, Douglas and 19 more7 hr
Apr 3, 12:05 PM CDTMesoscale DiscussionSPCBarry, Camden, Cedar, Christian, Dade, Dallas and 19 more55 min
Apr 3, 12:28 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Iron, Madison, Mississippi and 7 more62 min
Apr 3, 12:46 PM CDTTornado WatchSPCBollinger, Butler, Cape Girardeau, Carter, Crawford, Iron and 12 more4 hr
Apr 3, 3:17 PM CDTMesoscale DiscussionSPCAudrain, Boone, Carroll, Chariton, Cooper, Howard and 10 more58 min
Apr 3, 3:48 PM CDTMesoscale DiscussionSPCBarry, Barton, Benton, Camden, Cedar, Christian and 18 more57 min
Apr 3, 4:34 PM CDTMesoscale DiscussionSPCDent, Howell, Oregon, Ozark, Shannon26 min
Apr 3, 4:58 PM CDTTornado WatchSPCBollinger, Boone, Butler, Callaway, Cape Girardeau, Carter and 30 more7 hr

Nearby

Mesoscale Discussions in Kansas, 2014Mesoscale Discussions in Missouri, 2014Every mesoscale discussion in 2014

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.