Area forecast discussion
National Weather Service San Joaquin Valley - Hanford California
301 PM PDT Sat may 25 2013
Synopsis...
a storm system over the Pacific northwest will bring a cool onshore
flow to the central California interior through the Holiday weekend.
Temperatures will be near normal through Sunday. Memorial Day will
bring increasing clouds and cooler afternoon temperatures with the
possibility of light precipitation mainly over the High Sierra toward
evening.
&&
Discussion...
a large broad upper trough along the west U.S. Remains near
stationary. An onshore flow with little moisture will maintain
cool and dry conditions for much of the weekend. An upper air
disturbance off the Oregon coast will push through ncal Sunday.
This will strenghten onshore pressure gradients over central
California late on Sunday. Strong gusty winds will develop Sunday
afternoon especially below the mountain passes of Kern County and
Mojave Desert area. Stronger wind potential may develop Monday as
a deeper short wave reaches the Pacific northwest and ncal. This system in
the epac along 40n is accompanied by a fetch of subtropical
moisture with precipitable water values of 1.5 in and upper jet 120+kt. Models
have trended a bit drier and not as cold. Operational GFS and ec
in better agreement with the energy and upper trough. Although
still some difference in the quantitative precipitation forecast amounts. Most of the vorticity
energy may push through ncal into the Great Basin Monday night
into Tuesday morning. Precipitation threat may be focus over the
mountains with light amounts in the San Joaquin Valley. Snow
levels may lower near 9kft with 700mb temperatures at 0c degrees.
An inch or two of snow could fall over the High Sierra Monday
night into Tuesday. The upper jet will become align with grads
across central California resulting in windy conditions through
Wednesday.
&&
Aviation...
VFR conditions will prevail across the central California interior.
&&
Air quality issues...
none.
&&
Certainty...
The level of certainty for days 1 and 2 is medium.
The level of certainty for days 3 through 7 is medium.
This information is provided as part of a trial project conducted
by the National Weather Service San Joaquin Valley - Hanford.
Certainty levels include low...medium...and high. Please visit
www.Weather.Gov/hnx/certainty.Php /all lower case/ for additional
information and/or to provide feedback.
&&
Climate...
records
site date hi_max:year lo_max:year hi_min:year lo_min:year
Kfat 05-25 102:1890 59:1906 68:1890 42:1980
kfat 05-26 103:1974 66:1946 68:1951 40:1953
kfat 05-27 104:1974 55:1971 69:1896 46:1998
Kbfl 05-25 106:1982 58:2008 77:1982 39:1893
kbfl 05-26 107:1951 68:1998 72:1979 40:1918
kbfl 05-27 106:1974 66:1971 75:1974 42:1917
&&
Hnx watches/warnings/advisories...
Wind Advisory from 4 PM Sunday to 9 PM PDT Tuesday caz095-099.
&&
$$
Public...mv
AVN/fw...Dudley
synopsis...andersen
Weather.Gov/Hanford
