Alert archive / Missouri / Mesoscale Discussions in 2006

Mesoscale Discussion 403

April 2, 200638 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Apr 2, 2006, 11:34 AM CDT for 38 counties in Missouri. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
Apr 2, 2006, 11:34 AM CDT (16:34 UTC)
Expired
Apr 2, 2006, 1:30 PM CDT
In force
116 min
Issued by
the Storm Prediction Center
All 38 counties

Audrain County, MO, Barry County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cedar County, MO, Chariton County, MO, Christian County, MO, Cole County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Johnson County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Randolph County, MO, Saline County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 90 km from the middle of the area, began a volume at 16:34 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, 4.6 hours before the alert went out and 139 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 2006-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 190 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 12:00Z on 2006-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 342 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
190 J/kg
Mixed-layer CIN
-190 J/kg
Mixed-layer LCL
1069 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
342 m²/s²
0-3 km storm-relative helicity
358 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 1, 11:36 PM CSTSevere Thunderstorm WatchSPCBarry, Barton, Cedar, Dade, Jasper, Lawrence and 4 more4 hr
Apr 2, 12:44 AM CSTMesoscale DiscussionSPCBarry, Barton, Bates, Benton, Buchanan, Caldwell and 36 more2 hr
Apr 2, 1:35 AM CSTSevere Thunderstorm WatchSPCCamden, Christian, Dallas, Dent, Douglas, Greene and 14 more3 hr
Apr 2, 9:41 AM CDTMesoscale DiscussionSPCAndrew, Atchison, Bates, Buchanan, Caldwell, Carroll and 24 more2 hr
Apr 2, 10:42 AM CDTMesoscale DiscussionSPCBollinger, Butler, Carter, Dunklin, Mississippi, New Madrid and 5 more93 min
Apr 2, 12:28 PM CDTTornado WatchSPCAdair, Audrain, Benton, Boone, Callaway, Camden and 58 more8 hr
Apr 2, 1:13 PM CDTSevere Thunderstorm WatchSPCAndrew, Atchison, Buchanan, Caldwell, Clay, Clinton and 9 more4 hr
Apr 2, 3:16 PM CDTMesoscale DiscussionSPCAdair, Audrain, Boone, Callaway, Camden, Carter and 44 more89 min
Apr 2, 3:27 PM CDTTornado WatchSPCDunklin, Pemiscot7 hr
Apr 2, 3:50 PM CDTTornado WatchSPCBollinger, Butler, Cape Girardeau, Carter, Iron, Jefferson and 16 more5 hr

Nearby

Mesoscale Discussions in Missouri, 2006Every mesoscale discussion in 2006

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.