SPC 0700Z Day 2 Outlook

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1250 AM CST Mon Mar 08 2021

Valid 091200Z - 101200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Thunderstorm development will be possible across parts of the West
Coast Tuesday and Tuesday night, and in parts of the north-central
states Tuesday night.

...DISCUSSION...
An upper-level ridge across the Ohio and Tennessee Valleys will move
eastward toward the East Coast on Tuesday as southwest mid-level
flow becomes established across much of the central U.S. In
response, a low-level jet from the southern Plains to the lower
Missouri Valley will strengthen throughout the day. The jet will
become focused across southeastern Kansas this evening. A few
elevated thunderstorms may develop near the nose of the low-level
jet from northwest Missouri into Iowa. Isolated thunderstorms may
also develop along and ahead of a cold front moving into
southeastern Nebraska. This activity is not expected to become
severe because instability will be weak across the region.

Further to the west, an upper-level low will move southward across
the far eastern Pacific. Large-scale ascent will overspread the West
Coast. Associated steep lapse rates will support thunderstorm
development from the coast of Oregon southward along much of the
coast California. A few thunderstorms may also develop inland across
the Sacramento Valley. Instability will be weak in the western U.S.
and a severe threat is not expected. Elsewhere across the
continental United States thunderstorm development is not expected
Tuesday and Tuesday night.

..Broyles.. 03/08/2021

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