Alert archive / Missouri / Mesoscale Discussions in 2008

Mesoscale Discussion 18

January 7, 20085 states

The Storm Prediction Center issued this mesoscale discussion at Jan 7, 2008, 6:11 PM CST for 5 states. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued
Jan 7, 2008, 6:11 PM CST (00:11 UTC)
Expired
Jan 7, 2008, 7:45 PM CST
In force
94 min
Issued by
the Storm Prediction Center
All 79 counties

Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Washington County, AR, Adams County, IL, Brown County, IL, Pike County, IL, Schuyler County, IL, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Audrain County, MO, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Cole County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jasper County, MO, Johnson County, MO, Laclede County, MO, Lawrence County, MO, Lewis County, MO, Maries County, MO, Marion County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Pettis County, MO, Pike County, MO, Polk County, MO, Pulaski County, MO, Ralls County, MO, Randolph County, MO, Saline County, MO, Shelby County, MO, St. Clair County, MO, Stone County, MO, Vernon County, MO, Webster County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Springfield radar (KSGF), 41 km from the middle of the area, began a volume at 00:14 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, 0.2 hours before the alert went out and 76 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 2008-01-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 765 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 2008-01-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 281 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
765 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
955 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
281 m²/s²
0-3 km storm-relative helicity
338 m²/s²
Significant tornado parameter
1.7
Supercell composite
7.2

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 7, 7:48 PM CSTTornado Watch PDSSPCBaxter, Benton, Boone, Carroll, Crawford, Franklin and 9 more9 hr
Jan 7, 10:04 PM CSTMesoscale DiscussionSPCBenton, Carroll, Washington86 min
Jan 8, 3:44 AM CSTMesoscale DiscussionSPCBaxter, Benton, Carroll, Fulton91 min
Jan 8, 7:18 AM CSTMesoscale DiscussionSPCArkansas, Bradley, Calhoun, Clark, Cleburne, Cleveland and 34 more117 min
Jan 8, 8:34 AM CSTTornado WatchSPCArkansas, Bradley, Calhoun, Clark, Clay, Cleburne and 45 more5 hr
Jan 8, 11:27 AM CSTMesoscale DiscussionSPCArkansas, Ashley, Baxter, Bradley, Calhoun, Chicot and 48 more2 hr
Jan 8, 1:11 PM CSTMesoscale DiscussionSPCChicot, Crittenden, Desha, Lee, Mississippi, Phillips and 1 more2 hr
Jan 8, 1:26 PM CSTTornado WatchSPCArkansas, Ashley, Bradley, Chicot, Crittenden, Desha and 7 more8 hr
Jan 7, 6:57 PM CSTMesoscale DiscussionSPCCalhoun, Greene, Jersey, Madison, Monroe, Pike and 2 more93 min
Jan 7, 7:03 PM CSTMesoscale DiscussionSPCChampaign, Clark, Coles, Crawford, Cumberland, Douglas and 4 more117 min
Jan 7, 10:12 PM CSTMesoscale DiscussionSPCChampaign, Christian, Clark, Coles, Cumberland, DeWitt and 12 more2 hr
Jan 8, 11:40 AM CSTMesoscale DiscussionSPCJo Daviess5 hr
Jan 8, 12:22 PM CSTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 10 more83 min
Jan 7, 8:25 PM CSTMesoscale DiscussionSPCAllen, Bourbon, Chautauqua, Cherokee, Crawford, Labette and 4 more65 min
Jan 7, 8:55 PM CSTSevere Thunderstorm WatchSPCAllen, Bourbon, Chautauqua, Cherokee, Crawford, Labette and 4 more8 hr
Jan 7, 11:18 PM CSTMesoscale DiscussionSPCAllen, Bourbon, Chautauqua, Cherokee, Crawford, Labette and 4 more87 min
Jan 8, 2:02 AM CSTMesoscale DiscussionSPCDent, Douglas, Shannon, Texas, Wright118 min

Nearby

Mesoscale Discussions in Missouri, 2008Mesoscale Discussions in Oklahoma, 2008Mesoscale Discussions in Arkansas, 2008Every mesoscale discussion in 2008

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.