000
FXUS66 KSTO 300930
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
230 AM PDT Tue Apr 30 2024

.Synopsis...
Mild and dry weather this week. Occasionally breezy. Light precipitation
chances return this weekend.

&&

Dry and mild weather will persist through Friday as short-wave
troughs pass to the north over broad ridging covering the eastern
Pacific and NorCal. Precipitation chances will remain well to the
north of the region across the PacNW, though occasional bouts of
north to east wind are expected as surface pressure gradient
tightens in the wake of each of these waves. The strongest period
of northerly winds is expected tonight and Wednesday with gusts of
35-45 mph possible in the Sacramento Valley and surrounding
terrain with the strongest winds forecast to occur to the
northwest of Sacramento along the west side of the valley (NBM
probabilities are around 60-100 percent for reaching that range
for wind gusts). Difficult driving conditions can be expected and
loose objects may blow around, and a Wind Advisory has been posted.
Valley high temperatures will be in the mid 70s to lower 80s.

&&

.EXTENDED DISCUSSION (Saturday THROUGH Tuesday)...
Models in better agreement in handling weather system for this
weekend although differences continue with track and depth of low.
Associated front progged into NW portions of the CWA Friday
night, then across interior NorCal Saturday. Light to moderate
precipitation depicted by models with fropa along with some gusty
wind. NBM showing showers possible in the foothills and mountains
Sunday. WPC liquid storm total QPF forecasting around a tenth of
an inch of rain in the N San Joaquin Valley to around half an inch
in the N Sac Valley. Half an inch to an inch of liquid precip
projected in the foothills and mountains. Light snow accumulations
possible over higher elevations.

Models continue to differ into early next week. EC/NBM continuing
a trend of shower possibilities over the northern and eastern
foothills and mountains as additional vort maxes move through in
NWly flow aloft. GFS leans towards a drier forecast with more
ridging.

&&

.AVIATION...
VFR conditions over interior NorCal next 24 hrs. In Central Vly,
areas NWly sfc wind up to 17 kts with lcl gusts to 25 kts
possible. In foothills/mtns lcl NWly sfc wind gusts up to 30 kts.

&&

.STO WATCHES/WARNINGS/ADVISORIES...
Wind Advisory from 11 PM this evening to 5 PM PDT Wednesday for
Carquinez Strait and Delta-Central Sacramento Valley-Northern
Sacramento Valley-Southern Sacramento Valley.

&&

$$