Alert archive / Missouri / Mesoscale Discussions in 2007

Mesoscale Discussion 2047

September 30, 20074 states

The Storm Prediction Center issued this mesoscale discussion at Sep 30, 2007, 6:13 PM CDT for 4 states. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued
Sep 30, 2007, 6:13 PM CDT (23:13 UTC)
Expired
Sep 30, 2007, 7:45 PM CDT
In force
92 min
Issued by
the Storm Prediction Center
All 47 counties

Benton County, AR, Cherokee County, KS, Crawford County, KS, Labette County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Carroll County, MO, Cedar County, MO, Chariton County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Grundy County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jasper County, MO, Johnson County, MO, Lafayette County, MO, Lawrence County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, McDonald County, MO, Morgan County, MO, Newton County, MO, Pettis County, MO, Polk County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Sullivan County, MO, Vernon County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Mayes County, OK, Nowata County, OK, Ottawa County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Springfield radar (KSGF), 104 km from the middle of the area, began a volume at 23:13 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.2 hours before the alert went out and 103 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 2007-09-30Temperature 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 2007-09-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 331 square meters per square second.193958Sfc1 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
1555 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
331 m²/s²
0-3 km storm-relative helicity
297 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
Sep 30, 2:23 PM CDTMesoscale DiscussionSPCBenton, Carroll, Madison, Washington67 min
Sep 30, 2:51 PM CDTSevere Thunderstorm WatchSPCBenton, Carroll, Crawford, Franklin, Madison, Washington6 hr
Sep 29, 9:31 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Greeley, Hamilton, Kearny, Logan and 8 more89 min
Sep 29, 10:38 PM CDTSevere Thunderstorm WatchSPCGove, Graham, Norton, Phillips, Rooks, Sheridan3 hr
Sep 30, 12:10 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Butler and 37 more65 min
Sep 30, 12:37 PM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Atchison, Bourbon, Brown, Butler and 35 more7 hr
Sep 30, 2:26 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Coffey, Cowley and 16 more64 min

Nearby

Mesoscale Discussions in Missouri, 2007Mesoscale Discussions in Oklahoma, 2007Mesoscale Discussions in Kansas, 2007Every mesoscale discussion in 2007

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.