MD 0530 CONCERNING TORNADO WATCH 140… FOR PARTS OF EASTERN NEBRASKA…FAR NORTHERN KANSAS AND WESTERN IOWA.
Mesoscale Discussion 0530
NWS Storm Prediction Center Norman OK
0231 PM CDT Fri Apr 26 2024
Areas affected…parts of eastern Nebraska…far northern Kansas and
western Iowa.
Concerning…Tornado Watch 140…
Valid 261931Z – 262100Z
The severe weather threat for Tornado Watch 140 continues.
SUMMARY…The risk for large to very large hail and tornadoes
continues across WW140. The severe risk should gradually expand
northeastward toward the NE/IA border this afternoon.
DISCUSSION…Several supercells have developed and matured east of
the dryline across central and eastern NE. Several tornadoes have
been reported thus far with the northern most cell over Greeley
county, NE. While the storm remains in a favorable environment,
destabilization is slowly waning as it moves into a more stable air
mass farther north. Destabilization ahead of the storms to the south
is expected to continue with the greater threat potentially shifting
toward the more southern storms as the warm sector continues to
narrow to the north. Strong low-level shear (ESRH of 250-350 m2/s2)
near the warm front and large buoyancy will continue to support a
risk for tornadoes (some significant) and large to very large hail.
Additional storm development remains possible across southeastern NE
and far northern KS, though residual capping may limit coverage
somewhat. The severe threat should slowly expand eastward into parts
of western IA later this afternoon or evening across the remainder
of WW140.
..Lyons.. 04/26/2024
…Please see www.spc.noaa.gov for graphic product…
ATTN…WFO…EAX…FSD…OAX…TOP…GID…LBF…
LAT…LON 39559565 39469602 39499632 39639674 39889695 40239708
40709735 41039774 41329840 41449882 41869906 42349895
42679878 42839774 42649674 42249604 41699559 41289537
40859524 40519524 40119536 39559565
