MD 0805 CONCERNING SEVERE THUNDERSTORM WATCH 246… FOR SOUTHEAST NEBRASKA…NORTHEAST KANSAS…NORTHWEST MISSOURI…SOUTHWEST IOWA
Mesoscale Discussion 0805
NWS Storm Prediction Center Norman OK
0854 PM CDT Wed Jun 03 2020
Areas affected...southeast Nebraska...northeast Kansas...northwest
Missouri...southwest Iowa
Concerning...Severe Thunderstorm Watch 246...
Valid 040154Z - 040400Z
The severe weather threat for Severe Thunderstorm Watch 246
continues.
SUMMARY...Severe storms over central Nebraska may continue to grow
upscale later this evening toward the Missouri Valley. An additional
watch may be needed downstream.
DISCUSSION...Severe storms are rapidly moving southeast across
central NE, and will soon be approaching the moist advection zone
near/north of the stationary front. Other disorganized storms
continue to evolve to the southwest into south-central NE and
north-central KS.
The storms approaching the GRI area may grow upscale as it
encounters a moistening air mass to the southeast, and as outflow
boundaries near the KS border push forward as well.
The 00Z sounding from TOP shows MLCAPE over 3200 J/kg, and only a
minor capping layer below 700 mb which should easily be breached by
deep outflow with any MCS. A damaging wind threat may thus extend
east of WW 246, and a new watch may be required depending on storm
trends.
..Jewell.. 06/04/2020
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...EAX...OAX...TOP...GID...GLD...
LAT...LON 39579979 40029948 40539941 40789941 40809874 41019820
41209796 40789537 40399496 39829487 39129540 39019579
39159689 39349831 39579979
from SPC Mesoscale Discussions https://bit.ly/3eODcyc
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