Alert archive / Kansas / Mesoscale Discussions in 2014

Mesoscale Discussion 784

June 1, 201416 counties in Kansas; 4 counties in Missouri; 7 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Jun 1, 2014, 10:50 PM CDT for 16 counties in Kansas; 4 counties in Missouri; 7 counties in Oklahoma. It was in force for 55 min.

The area

The outline as issued.

The facts

Issued
Jun 1, 2014, 10:50 PM CDT (03:50 UTC)
Expired
Jun 1, 2014, 11:45 PM CDT
In force
55 min
Issued by
the Storm Prediction Center
All 27 counties

Allen County, KS, Anderson County, KS, Butler County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Harper County, KS, Linn County, KS, Miami County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Bates County, MO, Cass County, MO, Henry County, MO, Johnson County, MO, Alfalfa County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Major County, OK, Noble County, OK, Woods County, OK

The radar

The Wichita radar (KICT), 97 km from the middle of the area, began a volume at 03:50 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, 3.8 hours before the alert went out and 161 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 2014-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 436 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2014-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.193958Sfc1 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
436 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
1345 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

966 
ACUS11 KWNS 020351
SWOMCD
SPC MCD 020350 
MOZ000-KSZ000-OKZ000-020445-

MESOSCALE DISCUSSION 0784
NWS STORM PREDICTION CENTER NORMAN OK
1050 PM CDT SUN JUN 01 2014

AREAS AFFECTED...PARTS OF NRN OK...SE KS INTO W-CENTRAL MO

CONCERNING...SEVERE THUNDERSTORM WATCH 204...

VALID 020350Z - 020445Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 204
CONTINUES.

SUMMARY...A SEVERE WIND/HAIL THREAT WILL CONTINUE ACROSS WW
204...AND MAY EXTEND A BIT FURTHER EAST INTO W-CENTRAL MO THROUGH
06Z. A DOWNSTREAM WATCH HAS BEEN ISSUED TO REFLECT THE CONTINUED
THREAT.

DISCUSSION...SPORADIC STRONG TO SEVERE THUNDERSTORM WIND GUSTS HAVE
BEEN NOTED NEAR THE APEX OF THE BOWING SEGMENT ACROSS OSAGE AND
FRANKLIN COUNTIES IN E-CENTRAL KS. A 50 KT REAR INFLOW JET AT 2 KM
WAS NOTED ON THE TWX 88-D VAD WIND PROFILER. THIS SHOULD CONTINUE TO
PROVIDE FOCUS FOR FORWARD PROPAGATING BOWING SEGMENT TO THE EAST THE
NEXT FEW HOURS. AS SUCH...A DOWNSTREAM WW HAS BEEN ISSUED FOR A
SMALL PART OF W-CNTRL MO.

FURTHER SOUTH...ANOTHER BOWING SEGMENT BETWEEN ICT AND EMP APPEARS
TO BE MORE ELEVATED AS A GUST FRONT HAS OUTRUN MAIN CONVECTIVE LINE.
A FEW STRONGER GUSTS OR SMALL HAIL MAY CONTINUE ALONG THIS LINE.
STRONGER CELLS WERE NOTED ACROSS NRN OK...WHERE GUSTS TO 74 MPH WERE
NOTED BY THE OKLAHOMA MESONET OVER THE LAST HOUR OR SO. THE
DOWNSTREAM AIRMASS REMAINS QUITE UNSTABLE AND MOIST AND SEVERE WIND
GUSTS AND LARGE HAIL COULD PERSIST FOR A FEW HOURS WITH THESE
STORMS.

..LEITMAN.. 06/02/2014

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

ATTN...WFO...SGF...EAX...TSA...TOP...ICT...OUN...DDC...

LAT...LON   37559775 38359613 38779536 38979427 38909376 38599354
            38239383 37909492 37409591 36179740 36159846 36349905
            36559908 37459798 37559775

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 7:43 PM CDTMesoscale DiscussionSPCHarper92 min
Jun 1, 9:06 PM CDTSevere Thunderstorm WatchSPCAnderson, Butler, Chase, Coffey, Cowley, Douglas and 9 more4 hr
Jun 1, 10:43 PM CDTSevere Thunderstorm WatchSPCJohnson, Linn, Miami, Wyandotte2 hr
Jun 2, 5:05 PM CDTMesoscale DiscussionSPCHarper, Sumner85 min

Nearby

Mesoscale Discussions in Kansas, 2014Mesoscale Discussions in Oklahoma, 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.