Alert archive / Kansas / Mesoscale Discussions in 2006

Mesoscale Discussion 733

May 2, 20064 states

The Storm Prediction Center issued this mesoscale discussion at May 2, 2006, 9:41 PM CDT for 4 states. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued
May 2, 2006, 9:41 PM CDT (02:41 UTC)
Expired
May 2, 2006, 11:15 PM CDT
In force
94 min
Issued by
the Storm Prediction Center
All 38 counties

Fremont County, IA, Page County, IA, Ringgold County, IA, Taylor County, IA, Atchison County, KS, Brown County, KS, Doniphan County, KS, Douglas County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Lyon County, KS, Marshall County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Clay County, MO, Clinton County, MO, DeKalb County, MO, Gentry County, MO, Holt County, MO, Nodaway County, MO, Platte County, MO, Worth County, MO, Johnson County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE

The radar

The Topeka radar (KTWX), 77 km from the middle of the area, began a volume at 02:42 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 00:00Z, 2.7 hours before the alert went out and 63 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 00:00Z on 2006-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 906 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 00:00Z on 2006-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.19395878Sfc1 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
906 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
1700 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
263 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 2, 7:18 PM CDTMesoscale DiscussionSPCFremont, Mills117 min
May 2, 7:56 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 13 more94 min
May 3, 2:59 AM CDTMesoscale DiscussionSPCPage, Taylor2 hr
May 2, 11:57 PM CDTSevere Thunderstorm WatchSPCAnderson, Atchison, Barton, Brown, Chase, Clay and 35 more7 hr
May 3, 12:46 PM CDTMesoscale DiscussionSPCCherokee, Crawford, Labette, Montgomery59 min
May 3, 2:42 PM CDTMesoscale DiscussionSPCBarber, Bourbon, Chautauqua, Cherokee, Cowley, Crawford and 7 more33 min
May 3, 2:59 PM CDTSevere Thunderstorm WatchSPCAllen, Bourbon, Butler, Chautauqua, Cherokee, Cowley and 11 more7 hr
May 3, 6:38 PM CDTMesoscale DiscussionSPCAllen, Bourbon, Chautauqua, Cherokee, Cowley, Crawford and 6 more97 min
May 3, 9:17 AM CDTMesoscale DiscussionSPCAudrain, Boone, Callaway, Camden, Cole, Crawford and 19 more88 min
May 3, 1:02 PM CDTSevere Thunderstorm WatchSPCBarry, Barton, Bollinger, Butler, Camden, Cape Girardeau and 44 more7 hr
May 3, 4:06 PM CDTMesoscale DiscussionSPCBarry, Barton, Bollinger, Butler, Camden, Cape Girardeau and 47 more54 min
May 3, 6:34 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Carter, Christian, Dade and 30 more86 min

Nearby

Mesoscale Discussions in Kansas, 2006Mesoscale Discussions in Missouri, 2006Mesoscale Discussions in Nebraska, 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.