Alert archive / Missouri / Mesoscale Discussions in 2017

Mesoscale Discussion 369

March 29, 20174 states

The Storm Prediction Center issued this mesoscale discussion at Mar 29, 2017, 2:51 PM CDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Mar 29, 2017, 2:51 PM CDT (19:51 UTC)
Expired
Mar 29, 2017, 5:15 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
Chance of a watch
80%
All 57 counties

Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Johnson County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Washington County, AR, Allen County, KS, Anderson County, KS, Bourbon County, KS, Cherokee County, KS, Coffey County, KS, Crawford County, KS, Franklin County, KS, Greenwood County, KS, Labette County, KS, Linn County, KS, Lyon County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Polk County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Vernon County, MO, Webster County, MO, Wright County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Mayes County, OK, Nowata County, OK, Ottawa County, OK, Sequoyah County, OK

The radar

The Springfield radar (KSGF), 116 km from the middle of the area, began a volume at 19:51 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, 7.9 hours before the alert went out and 95 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 2017-03-29Temperature 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 2017-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 410 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
563 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
410 m²/s²
0-3 km storm-relative helicity
439 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
Mar 29, 4:17 PM CDTTornado WatchSPCBaxter, Benton, Boone, Carroll, Clark, Cleburne and 38 more8 hr
Mar 29, 5:50 PM CDTMesoscale DiscussionSPCAshley, Bradley, Chicot, Desha, Drew, Lincoln and 1 more115 min
Mar 29, 3:48 PM CDTTornado WatchSPCAllen, Anderson, Bourbon, Cherokee, Coffey, Crawford and 11 more7 hr
Mar 29, 6:08 PM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Cherokee, Crawford, Johnson and 2 more97 min
Mar 28, 7:58 PM CDTMesoscale DiscussionSPCBlaine, Caddo, Canadian, Cleveland, Comanche, Cotton and 20 more92 min
Mar 28, 10:21 PM CDTSevere Thunderstorm WatchSPCCarter, Cleveland, Coal, Comanche, Cotton, Creek and 19 more7 hr
Mar 28, 10:25 PM CDTMesoscale DiscussionSPCCaddo, Canadian, Carter, Cherokee, Cleveland, Coal and 32 more65 min
Mar 29, 1:21 AM CDTMesoscale DiscussionSPCAtoka, Carter, Coal, Garvin, Hughes, Johnston and 9 more84 min
Mar 29, 2:54 AM CDTMesoscale DiscussionSPCAtoka, Bryan, Choctaw, McCurtain, Marshall, Pushmataha96 min

Nearby

Mesoscale Discussions in Missouri, 2017Mesoscale Discussions in Kansas, 2017Mesoscale Discussions in Arkansas, 2017Every mesoscale discussion in 2017

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.