Scientific Forecaster Discussion
fxus62 kjax 180008
Area forecast discussion
National Weather Service Jacksonville Florida
808 PM EDT Tue Sep 17 2019
Update...subsidence and dry air over the area resulted in record
high temperatures this afternoon with readings in the mid 90s
inland. Partly cloudy skies and light winds for tonight with low
temperatures in the upper 60s inland and low/mid 70s coast.
High pressure centered over eastern Canada will wedge southward
down the U.S. Eastern Seaboard tonight pushing a backdoor cold
front into the area on Wednesday. Breezy NE winds and low level
convergence will result in scattered showers spreading south along
the coast Wednesday morning along with cooler temperatures.
Aviation...VFR conditions with light winds tonight. MVFR conditions
with increasing winds as low clouds and scattered showers move
south into the area Wednesday morning. NE winds will increase with
gusts to around 20 knots near the East Coast.
Marine...onshore winds are expected to weaken slightly overnight
before strengthening again out of the northeast with the passage
of a cold front from the north on Wednesday. Advisory conditions
expected to continue through the week as winds and seas remain
Rip currents: high risk of rip currents will continue the next few
Preliminary point temps/pops...
amg 70 89 65 84 / 10 40 10 0
ssi 75 84 72 81 / 40 60 20 20
jax 72 88 71 83 / 30 50 10 20
sgj 74 86 73 82 / 20 40 20 40
gnv 69 91 69 85 / 0 60 10 20
ocf 69 92 70 86 / 0 50 20 10
Florida...high rip current risk through Thursday morning for coastal Duval-
coastal Flagler-coastal Nassau-coastal St. Johns.
Georgia...high rip current risk through Thursday morning for coastal
Am...Small Craft Advisory until 8 am EDT Thursday for coastal waters
from Fernandina Beach to St. Augustine Florida out 20 nm-coastal
waters from St. Augustine to Flagler Beach Florida out 20 nm-
waters from Altamaha Sound Georgia to Fernandina Beach Florida from
20 to 60 nm-waters from Fernandina Beach to St. Augustine
Florida from 20 to 60 nm-waters from St. Augustine to Flagler
Beach Florida from 20 to 60 nm.