Alert archive / Arkansas / Mesoscale Discussions in 2022

Mesoscale Discussion 210

March 6, 202228 counties in Arkansas; 14 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Mar 6, 2022, 5:32 PM CST for 28 counties in Arkansas; 14 counties in Missouri. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued
Mar 6, 2022, 5:32 PM CST (23:32 UTC)
Expired
Mar 6, 2022, 7:00 PM CST
In force
88 min
Issued by
the Storm Prediction Center
Concerning
Tornado watch 33
All 42 counties

Baxter County, AR, Boone County, AR, Carroll County, AR, Clay County, AR, Cleburne County, AR, Conway County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Johnson County, AR, Lawrence County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Perry County, AR, Pope County, AR, Randolph County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Yell County, AR, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Howell County, MO, Mississippi County, MO, New Madrid County, MO, Oregon County, MO, Ozark County, MO, Ripley County, MO, Scott County, MO, Stoddard County, MO, Taney County, MO, Wayne County, MO

The radar

The Little Rock radar (KLZK), 133 km from the middle of the area, began a volume at 23:35 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, 11.5 hours before the alert went out and 168 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 2022-03-06Temperature 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 2022-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 square meters per square second.1939587897117Sfc1 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
652 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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
Mar 6, 1:06 PM CSTMesoscale DiscussionSPCBaxter, Clark, Clay, Cleburne, Conway, Craighead and 40 more2 hr
Mar 6, 2:18 PM CSTTornado WatchSPCBaxter, Boone, Carroll, Clay, Cleburne, Conway and 36 more6 hr
Mar 6, 3:44 PM CSTMesoscale DiscussionSPCCleburne, Conway, Craighead, Faulkner, Franklin, Garland and 23 more91 min
Mar 5, 6:10 PM CSTTornado WatchSPCClark, Knox, Lewis, Marion, Monroe, Ralls and 2 more4 hr
Mar 5, 6:33 PM CSTMesoscale DiscussionSPCAdair, Audrain, Boone, Carroll, Chariton, Clark and 15 more87 min
Mar 5, 7:25 PM CSTMesoscale DiscussionSPCAudrain, Barton, Benton, Callaway, Camden, Cedar and 24 more95 min
Mar 5, 7:51 PM CSTMesoscale DiscussionSPCClark, Lewis, Marion, Monroe, Ralls, Scotland and 1 more114 min

Nearby

Mesoscale Discussions in Arkansas, 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.