Alert archive / Missouri / Mesoscale Discussions in 2024

Mesoscale Discussion 970

May 26, 20249 counties in Arkansas; 23 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at May 26, 2024, 4:12 AM CDT for 9 counties in Arkansas; 23 counties in Missouri. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued
May 26, 2024, 4:12 AM CDT (09:12 UTC)
Expired
May 26, 2024, 5:45 AM CDT
In force
93 min
Issued by
the Storm Prediction Center
Concerning
Tornado watch 311...314
All 32 counties

Baxter County, AR, Boone County, AR, Carroll County, AR, Fulton County, AR, Izard County, AR, Lawrence County, AR, Marion County, AR, Randolph County, AR, Sharp County, AR, Barry County, MO, Carter County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Laclede County, MO, Lawrence County, MO, Oregon County, MO, Ozark County, MO, Polk County, MO, Reynolds County, MO, Ripley County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Wayne County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 85 km from the middle of the area, began a volume at 09:11 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

Springfield, MO (KSGF), launched 00:00Z, 9.2 hours before the alert went out and 108 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 2024-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1925 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 2024-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
1925 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
1164 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
1.3
Supercell composite
10.7

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 25, 8:19 PM CDTMesoscale DiscussionSPCBenton86 min
May 25, 9:04 PM CDTTornado WatchSPCBenton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more8 hr
May 25, 11:31 PM CDTMesoscale DiscussionSPCBaxter, Fulton, Greene, Izard, Lawrence, Marion and 2 more119 min
May 26, 1:03 AM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Clay, Craighead and 12 more117 min
May 26, 2:35 AM CDTTornado WatchSPCBaxter, Boone, Clay, Fulton, Greene, Izard and 7 more7 hr
May 26, 2:38 PM CDTMesoscale DiscussionSPCClay, Fulton, Greene, Randolph3 hr
May 26, 2:46 PM CDTMesoscale DiscussionSPCClay, Craighead, Fulton, Greene, Lawrence, Mississippi and 2 more59 min
May 26, 3:28 PM CDTTornado WatchSPCBenton, Carroll, Madison, Washington5 hr
May 26, 4:01 PM CDTTornado Watch PDSSPCBaxter, Boone, Clay, Craighead, Fulton, Greene and 12 more7 hr
May 26, 5:47 PM CDTMesoscale DiscussionSPCBaxter, Boone, Carroll, Fulton, Izard, Marion and 1 more88 min
May 25, 9:41 PM CDTMesoscale DiscussionSPCAndrew, Buchanan, Cass, Clay, Clinton, Holt and 3 more2 hr
May 25, 9:46 PM CDTSevere Thunderstorm WatchSPCAndrew, Atchison, Buchanan, Caldwell, Carroll, Chariton and 18 more4 hr
May 26, 7:50 AM CDTMesoscale DiscussionSPCMississippi115 min
May 26, 1:36 PM CDTMesoscale DiscussionSPCBarry, Barton, Benton, Camden, Cedar, Christian and 17 more2 hr
May 26, 6:18 PM CDTMesoscale DiscussionSPCCape Girardeau, Mississippi, Scott87 min
May 26, 6:57 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Carter, Madison, Mississippi and 8 more63 min

Nearby

Mesoscale Discussions in Missouri, 2024Mesoscale Discussions in Arkansas, 2024Every mesoscale discussion in 2024

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.