Still three days away...
.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
KEY MESSAGES:
- Weekend severe weather potential and flooding potential.
- A brief cooldown Monday, with a warmup into mid-week.
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There is increasing confidence in the next disturbance passing
through this weekend. The most likely timing remains, Saturday
for the warm front, with a strong pressure gradient Saturday
afternoon with enhanced low level flow in the warm sector. This
will need to continue to be monitored for severe development,
with ensemble plumes fairly confident on buoyancy, but unsure on
just how much. This might suggest a primary threat of damaging
winds. The main cold front is most likely to pass late Saturday
into early Sunday. Rainfall amounts are quite variable, between
0.5 and 1.5 inches between the 25th and 75th percentile.
Marginal flooding conditions are also possible as the cold front
slowly moves through. Synoptic winds are also forecast at 20 to
30 mph (25th to 75th percentile).
Behind the cold front, a brief cool down to near-normal is
expected with moderate confidence, followed by a warm-up back
above normal by mid-week.