Alert archive / Missouri / Mesoscale Discussions in 2005

Mesoscale Discussion 2032

August 19, 20054 states

The Storm Prediction Center issued this mesoscale discussion at Aug 19, 2005, 1:50 PM CDT for 4 states. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
Aug 19, 2005, 1:50 PM CDT (18:50 UTC)
Expired
Aug 19, 2005, 3:45 PM CDT
In force
115 min
Issued by
the Storm Prediction Center
All 53 counties

Clarke County, IA, Decatur County, IA, Page County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Wayne County, IA, Atchison County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Doniphan County, KS, Jackson County, KS, Jefferson County, KS, Leavenworth County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Nemaha County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Washington County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Linn County, MO, Livingston County, MO, Mercer County, MO, Nodaway County, MO, Platte County, MO, Putnam County, MO, Ray County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO, Gage County, NE, Johnson County, NE, Nemaha County, NE, Pawnee County, NE, Richardson County, NE

The radar

The Topeka radar (KTWX), 114 km from the middle of the area, began a volume at 18:52 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

Topeka, KS (KTOP), launched 12:00Z, 6.8 hours before the alert went out and 90 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, Topeka, KS at 12:00Z on 2005-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 927 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, Topeka, KS at 12:00Z on 2005-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 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
927 J/kg
Mixed-layer CIN
-277 J/kg
Mixed-layer LCL
1076 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
245 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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
Aug 19, 3:30 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Cerro Gordo, Cherokee, Clay, Crawford and 17 more2 hr
Aug 18, 8:00 PM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 7 more2 hr
Aug 18, 11:15 PM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 7 more60 min
Aug 19, 10:55 AM CDTMesoscale DiscussionSPCBarton, Clay, Cloud, Decatur, Dickinson, Ellis and 23 more2 hr
Aug 19, 2:52 PM CDTMesoscale DiscussionSPCBarton, Clay, Cloud, Dickinson, Edwards, Ellis and 33 more53 min
Aug 19, 3:20 PM CDTSevere Thunderstorm WatchSPCAtchison, Barton, Brown, Chase, Clay, Cloud and 49 more7 hr
Aug 19, 5:41 PM CDTMesoscale DiscussionSPCAtchison, Barton, Brown, Chase, Clay, Cloud and 39 more2 hr
Aug 19, 4:09 PM CDTMesoscale DiscussionSPCLewis, Lincoln, Marion, Pike, Ralls2 hr

Nearby

Mesoscale Discussions in Missouri, 2005Mesoscale Discussions in Kansas, 2005Mesoscale Discussions in Iowa, 2005Every mesoscale discussion in 2005

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.