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Forecast Addendum 2/18/2023 - 07:00am

Submitted by nmeyers on Sat, 02/18/2023 - 5:27am
Recent Observations: 

Over the past 24 hours, temperatures have ranged from 20° to 35° F at treeline on Mount Shasta. Wind has blow predominantly out of the east and southeast, averaging 3 mi/hr with gusts to 24 mi/hr. Pretty tranquil overall. Up to 9,000 feet in Avalanche Gulch yesterday, climbing conditions were decent with widespread, firm surfaces. No signs of avalanche activity were observed. Below treeline, soft snow can still be found in areas sheltered from the wind and shaded. The days are getting longer, the sun higher in the sky, and a sun crust is ever present on sun exposed terrain. Snow surfaces became moist later in the day. Near and above treeline is where things become much more variable and wind hammered. Large patches of ice, old wind slabs, sastrugi, and firm wind board can be found on all aspects. Softer, wind blown snow has collected in gullies, providing the best option for pleasant sliding and riding. Temperatures remained just below freezing with light wind out of the southeast.

 

Mountain Weather: 

A huge high pressure ridge dominates the Pacific. A couple weak shortwaves of weather will slide over the top and down the east side of the ridge, resulting in little effect to the area besides scattered high clouds. High temperatures are a few degrees warmer today. Northwesterly flow will bring moderate, gusty winds over higher terrain. The remainder of the holiday weekend is going to follow a similar pattern, with dry weather accompanied by mild daytime temps and cool overnight and morning lows. A slight warming trend will occur each day through Monday. This mild weather ends with the start of the work week as cold, wintry weather returns to the region.



Today 7-8 Weather : 
Partly cloudy
Today 7-8 Wind Direction: 
NW
Today 8-9 Weather: 
Partly cloudy and blustery
Today 8-9 Wind Direction: 
NW
Tomorrow 7-8 Weather: 
Sunny
Tomorrow 7-8 Wind Direction: 
N
Tomorrow 8-9 Weather: 
Sunny and windy
Tomorrow 8-9 Wind Direction: 
N
Tonight 7-8 Weather: 
Partly cloudy
Tonight 7-8 Wind Direction: 
NW
Tonight 8-9 Weather: 
Partly cloudy and windy
Tonight 8-9 Wind Direction: 
N
Today 7-8 Temp: 
38
Today 8-9 Temp: 
24
Tomorrow 7-8 Temp: 
44
Tomorrow 8-9 Temp: 
31
Tonight 7-8 Temp: 
24
Tonight 8-9 Temp: 
15
18
16
37
25
100
0
0
28
20.5
35.5
27
123.5
0
0
Grey Butte Temp Cur: 
29.5
Grey Butte Temp Min: 
19.5
Grey Butte Temp Max: 
31
Grey Butte Temp Avg: 
26.5
Grey Butte Wind Cur: 
0
Grey Butte Wind Max: 
11
Grey Butte Wind Gust Max: 
24.54
Grey Butte Wind Avg: 
ESE
Castle Lake Temp Cur: 
29.5
Castle Lake Temp Min: 
23.5
Castle Lake Temp Max: 
40
Castle Lake Temp Avg: 
31
Mount Eddy Temp Cur: 
28.5
Mount Eddy Temp Min: 
20.5
Mount Eddy Temp Max: 
34
Mount Eddy Temp Avg: 
27
Mount Eddy Wind Cur: 
1
Mount Eddy Wind Max: 
2.5
Mount Eddy Wind Gust Max: 
4.97
Mount Eddy Wind Avg: 
WSW
Mount Eddy Snow Depth: 
101.7
Mount Eddy Snow New: 
0
Ash Creek Bowl Temp Cur: 
22
Ash Creek Bowl Temp Min: 
21
Ash Creek Bowl Temp Max: 
36
Ash Creek Bowl Temp Avg: 
25
Ash Creek Bowl Snow New: 
0
Ash Creek Ridge Temp Cur: 
23
Ash Creek Ridge Temp Min: 
17.5
Ash Creek Ridge Temp Max: 
35.5
Ash Creek Ridge Temp Avg: 
26
Ash Creek Ridge Wind Cur: 
6.5
Ash Creek Ridge Wind Max: 
15
Ash Creek Ridge Wind Gust Max: 
25.52
Ash Creek Ridge Wind Avg: 
E
Mt. Shasta City Temp Cur: 
25
Mt. Shasta City Temp Min: 
24
Mt. Shasta City Temp Max: 
48
Mt. Shasta City Temp Avg: 
34
Mt. Shasta City Wind Cur: 
0
Mt. Shasta City Wind Min: 
0
Mt. Shasta City Wind Max: 
7
Mt. Shasta City Wind Avg: 
2
Mt. Shasta City Wind Avg: 
N
Ski Bowl Comments: 
water content n/a
Grey Butte Wind Min: 
0
Grey Butte Wind Avg: 
3.5
Caslte Lake Comments: 
Snow depth sensor down
Mount Eddy Wind Min: 
0.5
Mount Eddy Wind Avg: 
1.5
Ash Creek Ridge Wind Min: 
1.5
Ash Creek Ridge Wind Avg: 
5.5
Sand Flat Snow Settlement: 
1
Ski Bowl Snow Settlement: 
1.1
Mount Eddy Snow Settlement: 
0.6
Ash Creek Bowl Snow Settlement: 
1.8
Measured Precipitation Oct: 
26.97
Normal Precipitation Oct: 
22.21
Percent Precipitation Oct: 
121
Measured Precipitation MTD: 
1.09
Normal Precipitation MTD: 
3.68
Percent Precipitation MTD: 
30
Measured Precipitation YTD: 
17.84
Normal Precipitation YTD: 
9.97
Percent Precipitation YTD: 
179
Today SWE: 
0.00
Tonight SWE: 
0.00
Tomorrow SWE: 
0.00
Today Wind Max 7-9: 
20
Tonight Wind Max 7-9: 
20
Tomorrow Wind Max 7-9: 
15
Today Wind Min 7-9: 
10
Tonight Wind Min 7-9: 
10
Tomorrow Wind Min 7-9: 
5
Today Wind Max 9-11: 
30
Tonight Wind Max 9-11: 
35
Tomorrow Wind Max 9-11: 
35
Today Wind Min 9-11: 
20
Tonight Wind Min 9-11: 
25
Tomorrow Wind Min 9-11: 
25
Today Snow Max 7-9: 
0.00
Tonight Snow Max 7-9: 
0.00
Tomorrow Snow Max 7-9: 
0.00
Today Snow Min 7-9: 
0.00
Tonight Snow Min 7-9: 
0.00
Tomorrow Snow Min 7-9: 
0.00
Today Snow Max 9-11: 
0.00
Tonight Snow Max 9-11: 
0.00
Tomorrow Snow Max 9-11: 
0.00
Today Snow Min 9-11: 
0.00
Tonight Snow Min 9-11: 
0.00
Tomorrow Snow Min 9-11: 
0.00
Ash Creek Bowl HS: 
122
Weather Station Discussion: 
The table below summarizes data reported from all of our weather stations over the last 24 hours.
Seasonal Stats Discussion: 
The wet season is October 1 through May 1. The table below summarizes recorded vs. normal precipitation amounts for the City of Mount Shasta.
Overall Danger Rating: 
Low
Current Time: 
4:00 AM