Alert archive / Kansas / Mesoscale Discussions in 2003

Mesoscale Discussion 1455

June 22, 200315 counties in Kansas; Platte County, Missouri

The Storm Prediction Center issued this mesoscale discussion at Jun 22, 2003, 1:51 PM CDT for 15 counties in Kansas; Platte County, Missouri. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued: Jun 22, 2003, 1:51 PM CDT (18:51 UTC)
Expired: Jun 22, 2003, 3:45 PM CDT
In force: 114 min
Issued by: the Storm Prediction Center

Counties Anderson County, KS, Coffey County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Miami County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Platte County, MO

The radar

The Topeka radar (KTWX), 68 km from the middle of the area, began a volume at 18:54 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 (KTOP), launched 12:00Z, 6.9 hours before the alert went out and 39 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1217 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 708 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 254 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.0

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.

Issued	Product	Office	Counties	Lasted
Jun 22, 4:38 AM CDT	Mesoscale Discussion	SPC	Clay, Marshall, Nemaha, Republic, Washington	97 min
Jun 22, 9:30 AM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Coffey, Doniphan, Douglas, Franklin and 13 more	3 hr
Jun 22, 12:35 PM CDT	Mesoscale Discussion	SPC	Atchison, Doniphan, Jackson, Jefferson, Leavenworth	115 min
Jun 22, 1:00 PM CDT	Severe Thunderstorm Watch	SPC	Anderson, Atchison, Coffey, Douglas, Franklin, Jackson and 10 more	5 hr
Jun 22, 5:29 PM CDT	Mesoscale Discussion	SPC	Clay, Cloud, Jewell, Mitchell, Osborne, Republic and 1 more	61 min

Nearby

Mesoscale Discussions in Kansas, 2003 Mesoscale Discussions in Missouri, 2003 Every mesoscale discussion in 2003

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.