Time and Day: 0900
Saturday
The Snapshot:
Mixed rain and snow changing to heavy
rain today, drying begins tomorrow.
The Long Range: With the exception of a weakening disturbance
moving through on Wednesday, next week will be mostly dry and warm. Indian Summer-esk
perhaps.
The Science: It is 27f on the upper mountain and 32f at Pass
level. .47” of mostly mixed rain and snow fell yesterday with just an inch or
two of snow below 4500’. The Barometer
is holding steady around 1010mb.
Another strong frontal
system, with an impressive amount of moisture (+3”) is getting ready to shift
NW and enter the Cascade Mountains.
Freezing levels are sitting around 4500’ but will rise in the wake of the
warm front. Some cool air pooling along
the eastern slopes could allow a few hours’ of nice snow accumulation prior to
the shift to rain later today.
An impressive
plume of moisture with water content
values of over 3” is being fed into this storm from the SW. In other words, get ready for a very wet
period of rain with river flooding likely.
The barometer will begin
to click up as the high pressure to the south starts to push in tomorrow. The clearing
and drying process begins tomorrow with most of next week being dry,
sunny and relatively warm throughout.
|
24hr Precipitation ending at 4am:
Today 24hr water: 2-3 snow: 2-6
Tomorrow’s 24hr water: .25 snow: 0
Trend and Timing:
The precipitation will intensify
through the day with over 2” of rain likely through the night. The precipitation
begins to diminish tomorrow with the drying trend beginning.
|
|
|
|
24hr temperature
ending at 4 am:
Low: 32 High: 45
Freezing level: 4500’-7000’
Trend and Timing:
Freezing levels will hover near 4500’
through the day and then spike up to around 7000’ tonight. Surface temperatures will remain above
freezing through at least Tuesday.
|
|
|
|
24hr Winds (mph) ending at 4am:
Base: 5-10 ESE
Ridge Top: 5-15 SSW
Trend and Timing:
Winds will be gusty and will shift
southerly over the next 12-24hrs.
|
jM
No comments:
Post a Comment