Area Forecast Discussion
Issued by NWS Eureka, CA

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FXUS66 KEKA 282248

National Weather Service Eureka CA
348 PM PDT Fri Apr 28 2017

.SYNOPSIS...Dry and mild to warm conditions will persist across
much of the region into next week. In addition, high pressure
located offshore will produce breezy northerly winds along the


.DISCUSSION...Crystal clear skies prevail across the area today.
This allows a good view of the remaining snow cover across
portions of the area via visible satellite imagery (generally
above about 5000 ft). Gusty northerly winds will continue along
the Redwood Coast into the evening as high pressure well offshore
interacts with the inland thermal trough to keep the pressure
gradient fairly tight. Mostly clear skies are expected to persist
through most of the night tonight, although models are indicating
that enough low- level moisture will pile up in the Eel River
valley and Humboldt Bay area to produce at least some scattered
low clouds. A few patches of late night and early morning fog are
also possible, mainly in some W river valleys near the waters and
away from winds. Patchy inland frost is possible late tonight
across portions of Trinity, extreme E Del Norte, and NE Humboldt
counties. However, uncertainty is high and areal coverage is
expected to be low. The evening shift will monitor temperature

An upper level ridge over the E Pacific will continue to build
and shift slowly E into next week, keeping mostly dry conditions
across the area. A weakening front will approach the OR coast on
Saturday night and Sunday with isolated to low end scattered light
rain expected across Del Norte county. Inland temperature will
continue to warm into next week, with high temperatures in the mid
to upper 80s across some of the elevated valley areas by mid-week.
Isolated thunder is possible for the extreme E portion of the
area for next Thursday due to increased instability parameters and
the possibility of a weakening upper ridge. /SEC


.AVIATION...Mostly sunny skies persisted across the region today as a
ridge of high pressure continued to influence local weather. This
pattern has resulted in drying and warming. Robust northerly and
northwesterly winds during daytime/early evening prevailed over the
area...especially at the coastal air terminals. Winds will ease
overnight and become more easterly. However, funneling winds between
the offshore high and inland thermal low trough will allow for gusty
conditions to once again ramp up on Saturday...particularly along
the coast. /TA


.MARINE...Northerly winds will continue across the area as the
interaction between the eastern Pacific high and the thermal
trough over the CA interior continues. A Small Craft Advisory
continues for the near shore waters thru 3 AM when the pressure
gradient weakens a bit. The advisory for the N offshore waters
continues thru Saturday morning, while the advisory for the S
offshore zone will remain up into next week due to the most
persistent moderate northerlies. Winds will occasionally gust over
30 knots in the advisory areas. /SEC


     Small Craft Advisory until 3 AM Saturday for PZZ450-455.
     Small Craft Advisory until 9 AM Saturday for PZZ470.
     Small Craft Advisory until 5 AM Wednesday for PZZ475.


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