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zczc spcswod48 all
acus48 kwns 070919
spc ac 070919

day 4-8 convective outlook
nws storm prediction center norman ok
0319 am cst sat dec 07 2019

valid 101200z - 151200z

...discussion...
deep upper trough is expected to cover much of the central and
eastern conus at the beginning of the period (i.e. 12z d4/tuesday).
medium-range guidance is in good agreement that this trough will
gradually shift eastward on d4/tuesday and d5/wednesday while slowly
losing amplitude. a cold front is expected to move across the
eastern conus on d4/tuesday, with a cool and stable air mass
anticipated in its wake on d5/wednesday and much of d6/thursday.
another southern-stream shortwave trough may move across the
southern plains and into the southeast on d7/friday and the
mid-atlantic on d8/saturday.

isolated thunderstorms are possible ahead of the front on d4/tuesday
but the overall severe potential is low. thunderstorms may also
occur ahead of the southern-stream system late in the week, but
run-to-run and model-to-model variability limits forecast
confidence.

..mosier.. 12/07/2019

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