Alert archive / Missouri / Mesoscale Discussions in 2019

Mesoscale Discussion 734

May 22, 20194 states

The Storm Prediction Center issued this mesoscale discussion at May 22, 2019, 3:06 PM CDT for 4 states. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued
May 22, 2019, 3:06 PM CDT (20:06 UTC)
Expired
May 22, 2019, 5:00 PM CDT
In force
114 min
Issued by
the Storm Prediction Center
Chance of a watch
95%
All 52 counties

Benton County, AR, Allen County, KS, Anderson County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Labette County, KS, Linn County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Camden County, MO, Cass County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Jasper County, MO, Johnson County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Polk County, MO, St. Clair County, MO, Stone County, MO, Vernon County, MO, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Mayes County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 92 km from the middle of the area, began a volume at 20:08 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 12:00Z, 8.1 hours before the alert went out and 105 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 12:00Z on 2019-05-22Temperature 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, Springfield, MO at 12:00Z on 2019-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 405 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
2696 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
405 m²/s²
0-3 km storm-relative helicity
381 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 22, 3:32 PM CDTTornado Watch PDSSPCAllen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 5 more7 hr
May 22, 5:05 PM CDTMesoscale DiscussionSPCLabette85 min
May 21, 7:37 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Iron, Jefferson, Lincoln and 10 more83 min
May 21, 8:46 PM CDTMesoscale DiscussionSPCAtchison, Holt59 min
May 21, 8:48 PM CDTTornado WatchSPCBollinger, Cape Girardeau, New Madrid, Perry, Scott, Stoddard3 hr
May 22, 4:00 PM CDTTornado WatchSPCAudrain, Boone, Callaway, Clark, Cole, Knox and 9 more7 hr
May 22, 5:59 PM CDTMesoscale DiscussionSPCAudrain, Boone, Callaway, Clark, Knox, Lewis and 8 more2 hr
May 22, 2:12 PM CDTMesoscale DiscussionSPCCaddo, Canadian, Cherokee, Cleveland, Comanche, Cotton and 27 more93 min
May 22, 2:34 PM CDTTornado Watch PDSSPCCaddo, Canadian, Carter, Cleveland, Coal, Comanche and 24 more7 hr
May 22, 5:38 PM CDTMesoscale DiscussionSPCCaddo, Canadian, Carter, Cleveland, Comanche, Cotton and 11 more97 min

Nearby

Mesoscale Discussions in Missouri, 2019Mesoscale Discussions in Kansas, 2019Mesoscale Discussions in Oklahoma, 2019Every mesoscale discussion in 2019

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.