The
Snapshot: Moderate to heavy rain and snow will continue
through tomorrow morning. A drying trend
begins tomorrow afternoon and is expected to continue for the rest of the
week.
The
Science: A warm front will push another round of moisture
into the mountains today. SW flow aloft
will keep freezing levels above 4000’ until tomorrow. High pressure building off of the PNW coast
will allow cooler NW air to sink in from the north and reduce surface
temperatures into the teens by the middle of the week. Cold, dry and clear conditions will likely
prevail through Friday.
4-7day
Long Range: High pressure building over the region during the
week will provide clear, cool and dry weather through Saturday. Longer range outlooks have another system
arriving late into the weekend or perhaps on Monday.
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24hr Accumulative Precipitation Totals Starting at Noon Today:
Water by 4am = 1” Snow equivalent =
1-3 base 3-8+ upper mountain.
Total inches of water by noon tomorrow
= 1 -1.25
Total inches of snow by noon tomorrow
= 2-4”
Trends and Timing:
The snow line will remain around mid
mountain with rain likely in the base area through noon tomorrow. The upper ridge may be a good foot of snow
if the temperatures cooperate.
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24hr Base Area Temperatures (F) Starting at Noon Today:
Low: 24 High: 40
Trend and Timing:
Freezing levels are expected to peak
around 5000’ early tomorrow morning.
Cooler NW flow will drop freezing levels below 2500’ tomorrow
afternoon.
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24hr Winds (mph)
Base: 0-5 WSW
Ridge Top: 5-14 SW shifting W
Trend and Timing:
SW flow will slowly shift W then NW
through the next 24hrs. Watch for gusty
ridge top winds with the passing of the fronts. Cool northerly flow will develop on
Wednesday.
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