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NWS Area Weather Forecast Discussion
County Warning Area [CWA]: STO
Regional NWS Weather Office: Sacramento, CA

747
FXUS66 KSTO 232103
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
203 PM PDT Fri Aug 23 2019


.SYNOPSIS...

Above average temperatures are expected through mid-week. Dry
weather pattern continues. A return to average temperatures may be
seen late next week.

&&

.DISCUSSION...

Current satellite analysis depicts the upper high located just off
the coast of northern California, with clear skies and fair
weather seen over the forecast area. Valley temperatures will
continue to heat up into the upper 90s and low 100s, with mountain
temperatures in the 70s to low 80s.

High pressure will continue to expand across the west coast
through early next week with Monday one of the hottest days of the
week. High temperatures will be anywhere from 5 to 12 degrees
above average for this time of year. Overnight lows Monday into
Tuesday in the northern Sacramento Valley may only fall into the
low 70s which could lead to issues for any groups sensitive to
heat. Lows through the weekend and Monday night in the southern
Sacramento Valley will recover into the mid to upper 60s.

&&

.EXTENDED DISCUSSION (Tuesday THROUGH Friday)...

Another hot day will be seen Tuesday with many Valley locations
reaching or exceeding 100 degrees by the afternoon. The ridge will
be pushed east as an upper low moves northeast towards the
California coast Tuesday into Wednesday. The slight troughing off
the coast will cool temperatures down a couple degrees Wednesday,
with back to average temperatures expected by late week. A weak
wave traverses NorCal Thursday, but the best chances for
precipitation continue to be south and east of the area. Have
continued the prevailing dry forecast for now.

&&

.AVIATION...

VFR conditions continue over Northern California over the next 24
hours. Surface winds will be generally 12 kt or less except
local gusts up to 25 kt in the Delta overnight and over higher
terrain through 06z.

&&

.STO WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$

Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather




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