Alert archive / Kansas / Mesoscale Discussions in 2016

Mesoscale Discussion 1753

October 4, 201632 counties in Kansas; 9 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Oct 4, 2016, 1:51 PM CDT for 32 counties in Kansas; 9 counties in Nebraska. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued
Oct 4, 2016, 1:51 PM CDT (18:51 UTC)
Expired
Oct 4, 2016, 3:15 PM CDT
In force
84 min
Issued by
the Storm Prediction Center
Chance of a watch
95%
All 41 counties

Barber County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Harper County, KS, Harvey County, KS, Jewell County, KS, Kingman County, KS, Lincoln County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Nemaha County, KS, Ottawa County, KS, Pottawatomie County, KS, Pratt County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Saline County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Wabaunsee County, KS, Washington County, KS, Clay County, NE, Fillmore County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Nuckolls County, NE, Pawnee County, NE, Saline County, NE, Thayer County, NE

The radar

The Topeka radar (KTWX), 103 km from the middle of the area, began a volume at 18:53 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

Topeka, KS (KFOE), launched 12:00Z, 6.9 hours before the alert went out and 154 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 2016-10-04Temperature 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, Topeka, KS at 12:00Z on 2016-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 292 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
1219 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
292 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 4, 2:45 PM CDTTornado WatchSPCButler, Chase, Clay, Cloud, Cowley, Dickinson and 23 more6 hr
Oct 4, 4:49 PM CDTMesoscale DiscussionSPCButler, Chase, Clay, Cowley, Dickinson, Geary and 17 more86 min
Oct 4, 6:50 PM CDTMesoscale DiscussionSPCButler, Chase, Clay, Dickinson, Geary, Harvey and 12 more115 min
Oct 3, 9:30 PM CDTMesoscale DiscussionSPCBlaine, Brown, Hayes, Lincoln, Logan, McPherson and 1 more30 min
Oct 4, 6:08 PM CDTMesoscale DiscussionSPCBurt, Colfax, Cuming, Dakota, Dixon, Dodge and 2 more2 hr

Nearby

Mesoscale Discussions in Kansas, 2016Mesoscale Discussions in Nebraska, 2016Every mesoscale discussion in 2016

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.