Rain, wind and snow will impact the area in the days ahead.
Posted: Mon Jan 22 19:31:22 PST 2018
Updated: Mon Jan 22 19:31:22 PST 2018
Posted By: Matt Hoffman
Speech to Text for VIDEO FORECAST: Tracking The Next Storm System
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on the door by daylight tuesday. this front doesnt look quite as strong as the last one, but it does look more in the usual areas like shasta valey and east side. this one isnt a slam dunk for winds, but there is certainly enough potential to warrant a high wind watch in the usual spots, and one has already been issued. the front wil be much more slow moving than its predecessor, and thus it will be much wetter. this is the first front in a while that looks like a true "atmospheric river." current forecast rainfall amounts are 3-6 inches along the south coast and coastal mountains, 1-2 inches in the cascades and siskiyous, up to an inch in interior southerly flow develops, but above this elevation, these copious precipitation amounts will be snow. as such, a winter storm watch was issued for the cascades and siskiyous. we could easily see a foot of snow setup also loks to favor the mt. shasta area this time. it will be much colder than normal across the forecast area for the second half of the wek with showers and low snow levels expected. model guidance is well agreed on showers from along and near the cascades westward during the day on thursday, diminishing thursday night into friday morning. snow levels are expected to generally be between 150 and 2500 fet, +/- 500 fet. therefore, will also be possible on or near the valley flors of the rogue and illinois valleys. have adjusted snow levels thursday morning through friday morning to account for some expectation of the local effect of lower snow levels in convective sw flow expectations are that accumulations in the valleys will be generaly light, but could be localy significant in locations such as hayes hill in the illinois valley. for the water equivalent at mount ashland and 0.50" to 1.0" mount shasta wednesday night through friday morning. due to the cold air mass snow amounts are expected to be a fluffy 5-10 aditional the northeast as high pressure begins to build in from the southwest. however, due to replacement of a colder air mas by a warmer one, we anticipate snow levels remaining below 5500 feet. while we might be experiencing rather mild weather here in