zczc spcswod48 all
acus48 kwns 240829
spc ac 240829
day 4-8 convective outlook
nws storm prediction center norman ok
0329 am cdt mon sep 24 2018
valid 271200z - 021200z
...discussion...
the latest medium-range model runs exhibit remarkable similarity
through the day 6/day 7 time frame, after which some deviation
begins to increase with respect to the large-scale flow pattern
across the country. prior to that, however, pattern evolution
suggests limited severe weather risk conus-wide, as a long-wave
trough -- whose broad cyclonic flow field will encompass much of the
u.s. initially -- gradual weakens and retreats northward into
canada. in its wake, a much more weakly cyclonic -- trending toward
zonal -- flow field is expected to evolve, downstream of a blocking
pattern over alaska and the eastern pacific. given the lack of
apparent/substantial severe risk at this time, no outlook areas will
be issued.
..goss.. 09/24/2018
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