SPC 0700Z Day 2 Outlook

Day 2 Outlook Image

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1135 PM CST Sat Jan 02 2021

Valid 041200Z - 051200Z


A few low-topped thunderstorms will be possible Monday across the
coastal Pacific Northwest and into parts of northern California.

Strong cooling aloft/height falls will occur through 00Z over WA, OR
and northern CA as a shortwave trough moves ashore. Convergence near
a cold front will be maximized along the OR and northern CA coastal
areas, and this is where low-topped thunderstorms are most likely.
Forecast soundings indicate MLCAPE around 100 J/kg eventually
developing over southwest OR and coastal northern CA as lapse rates
steepen with the rapid cooling aloft. Low-level winds will likely
veer by this time, resulting in long hodographs. Gusty winds are
possible with the heavier convection, but severe chances appear low
at this time.

Elsewhere, offshore surface winds will result in stable conditions
over much of the central and eastern states with high pressure at
the surface.

..Jewell.. 01/03/2021

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