ACUS11 KWNS 042229
SWOMCD
SPC MCD 042229=20
NVZ000-CAZ000-050230-

Mesoscale Discussion 0108
NWS Storm Prediction Center Norman OK
0429 PM CST Sun Feb 04 2024

Areas affected...portions of the higher terrain over the Sierra in
central California

Concerning...Heavy snow=20

Valid 042229Z - 050230Z

SUMMARY...Heavy snow should continue over the higher terrain of the
Sierra in central California for at least the next 4-6 hours. In the
next couple of hours, brief bouts of up to 3 inch/hour rates are
possible.

DISCUSSION...Heavy snow (2 inch/hr rates) should continue across the
higher terrain of the Sierra over the next several hours as a
mid-level trough and associated surface cyclone meanders along the
CA coastline. 22Z mesoanalysis depicts a 500 mb jet streak
overspreading CA (including the northern Sierra), with a pronounced
700 mb impulse beginning to approach the higher terrain along with
stronger low-level warm-air advection. The net result should be
continued deepening and moistening of the dendritic growth zone,
which should also experience enhanced deep-layer ascent. The
increase in ascent within the dendritic growth zone may support an
increased snowfall rate of up to 3 inch/hr in the higher terrain of
the Sierra, beginning now and continuing through at least 01Z.

..Squitieri.. 02/04/2024

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!7XV6mc6ErnZ-5OkfcIDwvvA-cLMHeI9baCSDetYPeiQ0pTGrD_7Hzkuf9Ssl9NB8ApkuFa2an= vol0QzTl_wYPhUOBL0$ for graphic product...

ATTN...WFO...REV...HNX...STO...

LAT...LON 37451885 38171994 38912047 39422069 39822061 39922033
39211983 38671945 38211890 37591871 37451885=20


=3D =3D =3D
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