Alert archive / Kansas / Mesoscale Discussions in 2012

Mesoscale Discussion 1039

June 3, 20124 states

The Storm Prediction Center issued this mesoscale discussion at Jun 3, 2012, 7:47 PM CDT for 4 states. It was in force for 58 min.

The area

The outline as issued.

The facts

Issued
Jun 3, 2012, 7:47 PM CDT (00:47 UTC)
Expired
Jun 3, 2012, 8:45 PM CDT
In force
58 min
Issued by
the Storm Prediction Center
All 40 counties

Benton County, AR, Carroll County, AR, Washington County, AR, Allen County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Cedar County, MO, Dade County, MO, Greene County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Polk County, MO, Stone County, MO, Vernon County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Mayes County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 96 km from the middle of the area, began a volume at 00:49 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

Springfield, MO (KSGF), launched 00:00Z, 0.8 hours before the alert went out and 135 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, Springfield, MO at 00:00Z on 2012-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1781 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, Springfield, MO at 00:00Z on 2012-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 228 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
1781 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
936 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
228 m²/s²
0-3 km storm-relative helicity
352 m²/s²
Significant tornado parameter
2.5
Supercell composite
12.1

Open this sounding in Storm Lab

The text

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

778 
ACUS11 KWNS 040048
SWOMCD
SPC MCD 040047
MOZ000-ARZ000-OKZ000-KSZ000-040145-

MESOSCALE DISCUSSION 1039
NWS STORM PREDICTION CENTER NORMAN OK
0747 PM CDT SUN JUN 03 2012

AREAS AFFECTED...SERN KS...NERN OK...SWRN MO...NWRN AR

CONCERNING...TORNADO WATCH 347...

VALID 040047Z - 040145Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 347 CONTINUES.

SUMMARY...MONITORING FOR POSSIBLE WW ISSUANCE TO THE E/NE OF WW 347
WITH A GRADUAL INCREASE IN CONVECTIVE DEVELOPMENT OCCURRING WITHIN A
W-E ORIENTATION IN SERN KS.

DISCUSSION...SMALL BAND OF CONVECTION ASSOCIATED WITH A WEAK
MID-LEVEL IMPULSE HAS FLARED UP RECENTLY OVER SERN KS....TO THE NW
AN OUTFLOW BOUNDARY NOTED IN SURFACE OBSERVATIONS IN SWRN MO/NERN
AR. ALTHOUGH STRONGER LOW-LEVEL MASS RESPONSE IS EXPECTED TO OCCUR
FARTHER SW IN WRN OK THIS EVENING...WEAK ISENTROPIC LIFT ATOP THE
REMNANT OUTFLOW MAY RESULT IN DEEPENING CONVECTION GIVEN THE
PRESENCE OF MODERATE TO STRONG BUOYANCY NOTED IN 00Z SGF/OUN RAOBS.
WITH STRONGER SPEED SHEAR CONFINED TO THE MID/UPPER-LEVELS OF THE
HILLSBORO KS WIND PROFILER...PRIMARY INITIAL RISK SHOULD BE ISOLATED
LARGE HAIL.

..GRAMS.. 06/04/2012

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

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

LAT...LON   36929708 37359701 37979634 38169543 38069433 37599332
            37119314 36199348 35879452 35899568 36169629 36929708

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 3, 7:09 PM CDTTornado WatchSPCClay, Craighead, Crittenden, Cross, Greene, Lawrence and 5 more7 hr
Jun 3, 8:34 PM CDTMesoscale DiscussionSPCClay, Craighead, Crittenden, Cross, Faulkner, Greene and 6 more56 min
Jun 3, 11:25 PM CDTSevere Thunderstorm WatchSPCBenton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more8 hr
Jun 4, 1:51 AM CDTMesoscale DiscussionSPCBenton, Crawford, Madison, Washington54 min
Jun 4, 3:14 AM CDTMesoscale DiscussionSPCCrittenden91 min
Jun 4, 3:39 AM CDTMesoscale DiscussionSPCCleburne, Conway, Crawford, Faulkner, Franklin, Johnson and 6 more96 min
Jun 4, 1:07 PM CDTMesoscale DiscussionSPCArkansas, Bradley, Calhoun, Cleburne, Cleveland, Conway and 19 more113 min
Jun 4, 5:06 PM CDTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 13 more114 min
Jun 3, 9:46 PM CDTMesoscale DiscussionSPCChautauqua, Cowley, Elk59 min
Jun 4, 3:59 PM CDTMesoscale DiscussionSPCGrant, Greeley, Hamilton, Kearny, Logan, Morton and 6 more91 min
Jun 4, 2:38 PM CDTMesoscale DiscussionSPCBollinger, Cape Girardeau, Franklin, Iron, Jefferson, Lincoln and 15 more2 hr
Jun 4, 3:25 PM CDTSevere Thunderstorm WatchSPCBollinger, Cape Girardeau, Franklin, Jefferson, Lincoln, Madison and 11 more7 hr
Jun 4, 6:27 PM CDTMesoscale DiscussionSPCBollinger, Cape Girardeau, Jefferson, Madison, Mississippi, New Madrid and 5 more93 min
Jun 3, 8:03 PM CDTMesoscale DiscussionSPCBeaver, Beckham, Ellis, Greer, Harmon, Harper and 3 more57 min
Jun 3, 10:06 PM CDTSevere Thunderstorm WatchSPCBeckham, Blaine, Caddo, Canadian, Comanche, Cotton and 14 more3 hr

Nearby

Mesoscale Discussions in Kansas, 2012Mesoscale Discussions in Missouri, 2012Mesoscale Discussions in Oklahoma, 2012Every mesoscale discussion in 2012

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.