SPC 0100Z Day 1 Outlook

Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0637 PM CST Mon Mar 08 2021

Valid 090100Z - 091200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
A few thunderstorms remain possible along the Pacific Coast.

...Pacific Coast...

Isolated thunderstorms remain possible along the Pacific Coast from
northern CA into OR. Latest water-vapor imagery depicts a
well-defined upper low near 47N/137W, drifting southeast in line
with latest model guidance. Several vort lobes are rotating ahead of
this feature which appear partly responsible for aiding glaciated
low-topped convection. One particularly noteworthy
vorticity-enhanced cluster is located near 42N/130W. Isolated
flashes of lightning are noted within the stronger updrafts ahead of
this feature. Leading edge of this activity should approach the
northern CA/southwest OR Coast in the next 2-4 hours. Isolated
thunderstorm threat should linger through sunrise as the primary
corridor of low-level convergence is expected to remain offshore
through the day1 period.

..Darrow.. 03/09/2021

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