SPC 2000Z Day 1 Outlook

Day 1 Outlook Image

Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0127 PM CST Wed Nov 04 2020

Valid 042000Z - 051200Z


Isolated general thunderstorms are possible late tonight and early
Thursday morning across parts of south Florida.

...20z Update...

The ongoing forecast is on track, and no changes are needed with
this update. See previous discussion below for more details.

..Leitman.. 11/04/2020

.PREV DISCUSSION... /ISSUED 1023 AM CST Wed Nov 04 2020/

A progressive/low-amplitude large-scale pattern and a general
absence of appreciable low-level moisture will result in minimal
thunderstorm potential through tonight. Across southern Florida,
gradual low-level moistening via easterly flow will allow for the
development of weak buoyancy tonight. Convection could become deep
enough for isolated thunderstorms late tonight into the early
morning hours of Thursday in vicinity of the Florida Straits/far
southern Florida. Elsewhere, low-topped convection will likely
accompany an inland-moving front tonight in coastal Washington. It
currently appears that thermodynamic profiles will not be conducive
for charge separation and lightning flashes.

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