Alert archive / Kansas / Mesoscale Discussions in 2022

Mesoscale Discussion 764

May 15, 202231 counties in Kansas; 11 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at May 15, 2022, 6:26 AM CDT for 31 counties in Kansas; 11 counties in Missouri. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued
May 15, 2022, 6:26 AM CDT (11:26 UTC)
Expired
May 15, 2022, 8:00 AM CDT
In force
94 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch likely
Chance of a watch
80%
All 42 counties

Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Coffey County, KS, Dickinson County, KS, Douglas 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, McPherson County, KS, Miami County, KS, Morris County, KS, Osage County, KS, Pottawatomie County, KS, Riley County, KS, Saline County, KS, Shawnee County, KS, Wabaunsee County, KS, Woodson County, KS, Wyandotte County, KS, Bates County, MO, Buchanan County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, Henry County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Platte County, MO, Ray County, MO

The radar

The Topeka radar (KTWX), 78 km from the middle of the area, began a volume at 11:29 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 00:00Z, 11.4 hours before the alert went out and 34 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 2022-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 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 2022-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
39 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
2883 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 14, 8:11 PM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Kiowa, Pratt94 min
May 15, 1:23 AM CDTMesoscale DiscussionSPCChautauqua, Labette, Montgomery97 min
May 15, 3:38 AM CDTMesoscale DiscussionSPCCloud, Jewell, Marshall, Republic, Smith, Washington97 min
May 15, 6:50 AM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Atchison, Butler, Chase, Clay and 27 more9 hr
May 15, 8:30 AM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 16 more90 min
May 15, 8:45 AM CDTSevere Thunderstorm WatchSPCBourbon, Chautauqua, Cherokee, Cowley, Crawford, Elk and 4 more7 hr
May 15, 11:18 AM CDTMesoscale DiscussionSPCBarry, Christian, Douglas, Greene, Howell, Lawrence and 6 more87 min
May 15, 12:46 PM CDTMesoscale DiscussionSPCTaney89 min
May 15, 2:03 PM CDTMesoscale DiscussionSPCBollinger, Cape Girardeau, Jefferson, Madison, Mississippi, Perry and 5 more117 min
May 15, 2:22 PM CDTSevere Thunderstorm WatchSPCBollinger, Butler, Cape Girardeau, Carter, Madison, Mississippi and 8 more5 hr
May 15, 3:28 PM CDTMesoscale DiscussionSPCDunklin, Pemiscot92 min
May 15, 3:40 PM CDTSevere Thunderstorm WatchSPCDunklin, Pemiscot5 hr

Nearby

Mesoscale Discussions in Kansas, 2022Mesoscale Discussions in Missouri, 2022Every mesoscale discussion in 2022

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.