Alert archive / Kansas / Mesoscale Discussions in 2021
Mesoscale Discussion 1102
The Storm Prediction Center issued this mesoscale discussion at Jun 25, 2021, 8:26 PM CDT for 22 counties in Kansas. It was in force for 64 min.
The area
The outline as issued.
The facts
- Issued
- Jun 25, 2021, 8:26 PM CDT (01:26 UTC)
- Expired
- Jun 25, 2021, 9:30 PM CDT
- In force
- 64 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe thunderstorm watch 314
All 22 counties
Allen County, KS, Anderson County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Coffey County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Harvey County, KS, Kingman County, KS, Linn County, KS, Marion County, KS, McPherson County, KS, Neosho County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Sedgwick County, KS, Stafford County, KS, Wilson County, KS, Woodson County, KS
The radar
The Wichita radar (KICT), 50 km from the middle of the area, began a volume at 01:25 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
Topeka, KS (KTOP), launched 00:00Z, 1.4 hours before the alert went out and 170 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.
- Mixed-layer CAPE
- 38 J/kg
- Mixed-layer CIN
- -314 J/kg
- Mixed-layer LCL
- 1286 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
691 ACUS11 KWNS 260126 SWOMCD SPC MCD 260126 KSZ000-260230- Mesoscale Discussion 1102 NWS Storm Prediction Center Norman OK 0826 PM CDT Fri Jun 25 2021 Areas affected...Southern Kansas Concerning...Severe Thunderstorm Watch 314... Valid 260126Z - 260230Z The severe weather threat for Severe Thunderstorm Watch 314 continues. SUMMARY...Elongated corridor of prolonged thunderstorm activity will be noted across southern Kansas this evening. Some portion of this watch may need to be extended in time, locally. DISCUSSION...Southwestern flank of eastern KS/MO MCS has sagged into southeastern KS and currently arcs west-northwest across western portions of ww314. Southward momentum has all but stopped across south-central KS, partly in response to an upstream MCV that is evolving near DDC. Latest thinking is this upstream MCV will continue east, along/just north of the OK border. With 35kt south-southwesterly 1km flow into this east-west band, it would appear this activity will continue much of the evening. While hail may occasionally reach severe levels, the primary meteorological concern will be very heavy rain for an extended period. ..Darrow.. 06/26/2021 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...SGF...EAX...TOP...ICT...DDC... LAT...LON 38509849 38399485 37339475 37479919 38509849
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 11:42 PM CDT | Mesoscale Discussion | SPC | Allen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 5 more | 63 min |
Nearby
Mesoscale Discussions in Kansas, 2021Every mesoscale discussion in 2021
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.