Scientific Forecaster Discussion
fxus66 khnx 162047
Area forecast discussion
National Weather Service Hanford California
147 PM PDT Mon Sep 16 2019
a trough of low pressure aloft will be responsible for light
valley rain and high elevation snow showers in the northern
portion of our service area this afternoon into this evening.
Another atmospheric disturbance may impact the same area Wednesday
afternoon and Wednesday night. Temperatures will remain below
seasonal values through at least Thursday. A warming trend will
an upper-level trough of low pressure will pass eastward across
northern California this afternoon into tonight. Measurable
rain has been reported in Los Banos, Merced, and Atwater so far
today. The vast majority of rainfall will remain north of Fresno
County this afternoon into tonight. A rumble of thunder or two
cannot be ruled out in the southern Sierra Nevada near Yosemite
National Park this afternoon into this evening. Snow showers are
likely in the highest elevations of Mariposa County this afternoon
into early tonight. Strong, gusty winds are expected in the
southern Sierra Nevada, Kern County mountains, and Kern County
desert this afternoon into early tonight. A few showers may
develop in upslope flow overnight near the Grapevine.
Another atmospheric disturbance will pass through northern
California Wednesday afternoon and Wednesday night. The vast
majority of precipitation associated with this atmospheric
disturbance will be confined to areas from Madera County
northward. Strong, gusty winds are possible in the southern Sierra
Nevada, Kern County mountains, and Kern County desert Wednesday
afternoon into Wednesday night.
High temperatures through at least Thursday will remain below
normal for this time of year. The coolest day looks to be Thursday
as maximum temperatures should be around ten degrees below
seasonal values. A warming trend will begin Friday. High
temperatures Saturday should be near normal for this time of year.
Maximum temperatures late this weekend into early next week should
be above seasonal values.
strong, gusty winds are likely in the southern Sierra Nevada, Kern
County mountains, and Kern County desert this afternoon into
tonight. There will be mountain obscurations in the Sierra Nevada
near rain and snow showers. VFR conditions will prevail in the San
Joaquin Valley through at least the next 24 hours.
Air quality issues...
the level of certainty for days 1 and 2 is high.
The level of certainty for days 3 through 7 is medium.
Certainty levels include low, medium, and high. Please visit
www.Weather.Gov/hnx/certainty.Html for additional information
and/or to provide feedback.
High Wind Warning until 9 PM PDT this evening for caz192>194.
Wind Advisory until 11 PM PDT this evening for caz195-196-198-