Alert archive / Missouri / Mesoscale Discussions in 2006

Mesoscale Discussion 6

January 1, 200619 counties in Arkansas; 29 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jan 1, 2006, 7:55 PM CST for 19 counties in Arkansas; 29 counties in Missouri. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jan 1, 2006, 7:55 PM CST (01:55 UTC)
Expired
Jan 1, 2006, 10:00 PM CST
In force
2 hr
Issued by
the Storm Prediction Center
All 48 counties

Baxter County, AR, Boone County, AR, Clay County, AR, Cleburne County, AR, Craighead County, AR, Cross County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Lawrence County, AR, Marion County, AR, Poinsett County, AR, Randolph County, AR, Searcy County, AR, Sharp County, AR, Stone County, AR, Woodruff County, AR, Butler County, MO, Camden County, MO, Carter County, MO, Christian County, MO, Crawford County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Dunklin County, MO, Greene County, MO, Hickory County, MO, Howell County, MO, Iron County, MO, Laclede County, MO, Maries County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Reynolds County, MO, Ripley County, MO, Shannon County, MO, Stoddard County, MO, Taney County, MO, Texas County, MO, Wayne County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 158 km from the middle of the area, began a volume at 01:56 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 00:00Z, 1.9 hours before the alert went out and 181 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 2006-01-02Temperature 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 00:00Z on 2006-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 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
1362 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
459 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Jan 1, 10:55 PM CSTTornado WatchSPCCraighead, Crittenden, Cross, Lee, Mississippi, Phillips and 2 more7 hr
Jan 2, 3:01 AM CSTMesoscale DiscussionSPCClay, Craighead, Crittenden, Cross, Greene, Lee and 4 more59 min
Jan 2, 7:57 AM CSTMesoscale DiscussionSPCCrittenden, Mississippi93 min
Jan 2, 1:25 AM CSTMesoscale DiscussionSPCAudrain, Boone, Callaway, Chariton, Cole, Cooper and 38 more95 min
Jan 2, 2:15 AM CSTTornado WatchSPCAudrain, Bollinger, Boone, Butler, Callaway, Cape Girardeau and 28 more7 hr
Jan 2, 4:31 AM CSTMesoscale DiscussionSPCAudrain, Bollinger, Boone, Butler, Callaway, Cape Girardeau and 36 more59 min
Jan 2, 5:38 AM CSTTornado WatchSPCBollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 5 more6 hr

Nearby

Mesoscale Discussions in Missouri, 2006Mesoscale Discussions in Arkansas, 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.