SPC 1730Z Day 2 Outlook

Day 2 Outlook Image

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1122 AM CST Mon Nov 02 2020

Valid 031200Z - 041200Z


Severe thunderstorms are not forecast across the United States on

Large-scale upper flow over the U.S. is forecast to trend more zonal
with time Tuesday, as the large eastern U.S. trough gradually
departs, leaving lower-amplitude westerly flow in its wake.  A weak
upper low over the California vicinity early Tuesday is forecast to
advance eastward across the Great Basin/Four Corners states while
short-wave troughing embedded in fast westerly flow shifts across
the northwestern states.  At the surface, aside from lee troughing
over the Plains, high pressure will largely prevail.

Given the dry/stable airmass covering most of the country, little
thunder potential is evident.  A few lightning flashes will be
possible, embedded within low-topped convective precipitation,
across the Four Corners states, as the aforementioned upper low --
and associated cold air aloft/steep lapse rates -- spread across
this region.  Elsewhere, aside from a possible stray flash over the
coastal Pacific Northwest as short-wave upper troughing shifts
inland, thunderstorms are not expected.

..Goss.. 11/02/2020

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