SPC 2000Z Day 1 Outlook

Day 1 Outlook Image

Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0136 PM CST Mon Feb 01 2021

Valid 012000Z - 021200Z


Organized thunderstorm potential is not expected the remainder of
today or tonight.

...20z Update...

The ongoing forecast remains on track and no changes have been made.
For more details, see the previous discussion below.

..Leitman.. 02/01/2021

.PREV DISCUSSION... /ISSUED 0948 AM CST Mon Feb 01 2021/

The general thunder line was removed from the southeast Florida
Peninsula as a surface cold front continues to usher convection away
from the Florida Keys. As a high-amplitude mid-level trough and
associated surface cyclone continue to advance eastward across the
eastern U.S, cold surface temperatures and an eastward moving upper
ridge across the central U.S will mitigate deep-moist convective
development across the CONUS. A lightning flash or two may occur
within the moist conveyer belt wrapping around the aforementioned
surface cyclone along the New England Coastline through the
remainder of the period. Similarly, a lightning flash cannot be
completely ruled out across portions of the Pacific
Northwest/northern California coastline this evening into tomorrow
morning with the approach of an upper trough accompanied by scant

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