Alert archive / Kansas / Mesoscale Discussions in 2009

Mesoscale Discussion 1002

June 9, 200944 counties in Kansas; 24 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jun 9, 2009, 11:11 AM CDT for 44 counties in Kansas; 24 counties in Missouri. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued
Jun 9, 2009, 11:11 AM CDT (16:11 UTC)
Expired
Jun 9, 2009, 12:45 PM CDT
In force
94 min
Issued by
the Storm Prediction Center
All 68 counties

Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Crawford County, KS, Dickinson County, KS, Douglas County, KS, Ellsworth County, KS, Franklin County, KS, Geary 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, Marshall County, KS, McPherson County, KS, Miami County, KS, Morris County, KS, Nemaha County, KS, Neosho County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Saline County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Camden County, MO, Cass County, MO, Cedar County, MO, Clay County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Laclede County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Pettis County, MO, Platte County, MO, Polk County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Topeka radar (KTWX), 84 km from the middle of the area, began a volume at 16:12 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 (KTOP), launched 12:00Z, 4.2 hours before the alert went out and 40 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 12:00Z on 2009-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2009-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
918 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
251 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.5

Open this sounding in Storm Lab

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 9, 7:16 AM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Cloud, Dickinson, Douglas and 32 more59 min
Jun 9, 8:40 AM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Chase, Clay, Cloud and 22 more65 min
Jun 9, 9:02 AM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Atchison, Bourbon, Brown, Chase and 34 more6 hr
Jun 9, 12:59 PM CDTMesoscale DiscussionSPCBourbon, Linn91 min
Jun 9, 1:31 PM CDTTornado WatchSPCBourbon, Cherokee, Crawford8 hr
Jun 9, 1:34 PM CDTMesoscale DiscussionSPCBarber, Butler, Chautauqua, Cowley, Edwards, Elk and 15 more86 min
Jun 9, 2:34 PM CDTTornado WatchSPCAllen, Barber, Butler, Chautauqua, Comanche, Cowley and 17 more7 hr
Jun 9, 6:22 PM CDTMesoscale DiscussionSPCAllen, Barber, Bourbon, Butler, Chautauqua, Cherokee and 23 more53 min
Jun 8, 7:18 PM CDTMesoscale DiscussionSPCBollinger, Cape Girardeau, Carter, Howell, Iron, Madison and 11 more57 min
Jun 8, 9:35 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Carter, Madison, Mississippi and 4 more55 min
Jun 9, 3:04 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Carter, Iron, Madison and 10 more86 min
Jun 9, 3:41 PM CDTSevere Thunderstorm WatchSPCBollinger, Butler, Cape Girardeau, Carter, Crawford, Iron and 12 more7 hr

Nearby

Mesoscale Discussions in Kansas, 2009Mesoscale Discussions in Missouri, 2009Every mesoscale discussion in 2009

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.