Alert archive / Missouri / Mesoscale Discussions in 2006

Mesoscale Discussion 975

May 25, 20065 states

The Storm Prediction Center issued this mesoscale discussion at May 25, 2006, 3:51 PM CDT for 5 states. It was in force for 54 min.

The area

The outline as issued.

The facts

Issued
May 25, 2006, 3:51 PM CDT (20:51 UTC)
Expired
May 25, 2006, 4:45 PM CDT
In force
54 min
Issued by
the Storm Prediction Center
All 57 counties

Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Clay County, AR, Cleburne County, AR, Crawford County, AR, Franklin County, AR, Fulton County, AR, Independence County, AR, Izard County, AR, Johnson County, AR, Lawrence County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Randolph County, AR, Searcy County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, Alexander County, IL, Johnson County, IL, Massac County, IL, Pulaski County, IL, Union County, IL, Ballard County, KY, McCracken County, KY, Barry County, MO, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Christian County, MO, Douglas County, MO, Howell County, MO, Lawrence County, MO, Madison County, MO, McDonald County, MO, Mississippi County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Reynolds County, MO, Ripley County, MO, Scott County, MO, Shannon County, MO, Stoddard County, MO, Stone County, MO, Taney County, MO, Wayne County, MO, Adair County, OK, Cherokee County, OK, Delaware County, OK, Mayes County, OK, Ottawa County, OK

The radar

The Springfield radar (KSGF), 106 km from the middle of the area, began a volume at 20:53 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, 8.9 hours before the alert went out and 128 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 2006-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2099 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 2006-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
2099 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1132 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

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
May 25, 4:54 PM CDTSevere Thunderstorm WatchSPCBaxter, Benton, Boone, Carroll, Clay, Fulton and 9 more6 hr
May 24, 8:59 PM CDTMesoscale DiscussionSPCEdwards, Wabash91 min
May 25, 12:00 PM CDTMesoscale DiscussionSPCClark, Clay, Coles, Crawford, Cumberland, Douglas and 10 more2 hr
May 25, 1:34 PM CDTTornado WatchSPCClark, Clay, Crawford, Cumberland, Edgar, Edwards and 11 more7 hr
May 25, 2:50 PM CDTMesoscale DiscussionSPCClark, Crawford, Edgar, Edwards, Hamilton, Jasper and 5 more85 min
May 25, 4:44 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 9 more91 min
May 25, 5:16 PM CDTTornado WatchSPCAlexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more8 hr
May 25, 2:21 PM CDTMesoscale DiscussionSPCBath, Boyd, Bracken, Campbell, Carter, Elliott and 8 more54 min
May 25, 2:43 PM CDTTornado WatchSPCAnderson, Boone, Bourbon, Bracken, Bullitt, Campbell and 22 more8 hr
May 24, 8:25 PM CDTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Custer and 14 more95 min
May 25, 3:41 PM CDTMesoscale DiscussionSPCCimarron, Texas2 hr

Nearby

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