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data: daily wx analysis 2026-04-17 [skip ci]
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analysis.csv

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station_id,station_name,massif,elev_ft,swe_in,swe_pct,tmax_c,tmin_c,tavg_c,snow_level_ft,snow_frac,melt_index,date
2-
679:WA:SNTL,"Paradise",RAINIER, 5150.00000 , 37.2000008 , 73.9562607 , -0.611111343 , -7.22222233 , -3.91666675 , 1053.71790 , 0.949999988 , 0.00000000 ,2026-04-15
3-
1085:WA:SNTL,"Cayuse Pass",RAINIER, 5260.00000 , 24.7000008 , 53.6956558 , 0.111111537 , -5.22222233 , -2.55555534 , 2106.05542 , 0.949999988 , 0.00000000 ,2026-04-15
4-
942:WA:SNTL,"Burnt Mountain",RAINIER, 4160.00000 , 4.30000019 , 15.3571444 , 0.00000000 , -2.22222233 , -1.11111116 , 2006.08655 , 0.949999988 , 0.00000000 ,2026-04-15
5-
943:WA:SNTL,"Dungeness",OLYMPICS, 3990.00000 , 0.00000000 , 0.00000000 , 1.72222137 , -4.11111116 , -1.19444489 , 1778.39197 , 0.949999988 , 0.00000000 ,2026-04-15
6-
1107:WA:SNTL,"Buckinghorse",OLYMPICS, 4850.00000 , 27.6000004 , 65.7142868 , 2.38888836 , -6.27777719 , -1.94444442 , 2119.14551 , 0.949999988 , 0.00000000 ,2026-04-15
7-
774:WA:SNTL,"Snoqualmie Pass",CASCADES, 3000.00000 , 0.00000000 , 0.00000000 , 0.00000000 , -2.22222233 , -1.11111116 , 846.086609 , 0.949999988 , 0.00000000 ,2026-04-15
8-
778:WA:SNTL,"Stevens Pass",CASCADES, 4061.00000 , 0.00000000 , 0.00000000 , 0.00000000 , -2.22222233 , -1.11111116 , 1907.08667 , 0.949999988 , 0.00000000 ,2026-04-15
9-
780:WA:SNTL,"Stampede Pass",CASCADES, 3960.00000 , 0.00000000 , 0.00000000 , 0.00000000 , -2.22222233 , -1.11111116 , 1806.08667 , 0.949999988 , 0.00000000 ,2026-04-15
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910:WA:SNTL,"Elbow Lake",CASCADES, 3050.00000 , 3.09999990 , 14.0909090 , 4.27777815 , -1.11111116 , 1.58333349 , 2761.52954 , 0.949999988 , 1.58333349 ,2026-04-15
11-
375:WA:SNTL,"Bumping Ridge",CASCADES, 4600.00000 , 12.6999998 , 33.4210510 , -0.499999791 , -6.50000048 , -3.50000024 , 792.189087 , 0.949999988 , 0.00000000 ,2026-04-15
12-
418:WA:SNTL,"Corral Pass",RAINIER, 5810.00000 , 26.2000008 , 50.3846169 , 2.22222233 , -6.22222281 , -2.00000024 , 3040.68286 , 0.949999988 , 0.00000000 ,2026-04-15
2+
679:WA:SNTL,"Paradise",RAINIER, 5150.00000 , 38.2000008 , 75.9443359 , 2.11111069 , -6.50000048 , -2.19444489 , 3388.40479 , 0.949999988 , 0.00000000 ,2026-04-16
3+
1085:WA:SNTL,"Cayuse Pass",RAINIER, 5260.00000 , 26.0000000 , 56.5217361 , 1.50000048 , -5.50000000 , -1.99999976 , 3580.06836 , 0.949999988 , 0.00000000 ,2026-04-16
4+
942:WA:SNTL,"Burnt Mountain",RAINIER, 4160.00000 , 6.00000000 , 21.4285717 , 0.00000000 , -2.22222233 , -1.11111116 , 2853.38623 , 0.949999988 , 0.00000000 ,2026-04-16
5+
943:WA:SNTL,"Dungeness",OLYMPICS, 3990.00000 , 0.00000000 , 0.00000000 , 4.38888979 , -3.22222185 , 0.583333969 , 3395.02441 , 0.949999988 , 0.583333969 ,2026-04-16
6+
1107:WA:SNTL,"Buckinghorse",OLYMPICS, 4850.00000 , 27.7000008 , 65.9523849 , 3.11111021 , -5.72222185 , -1.30555582 , 3461.72290 , 0.949999988 , 0.00000000 ,2026-04-16
7+
774:WA:SNTL,"Snoqualmie Pass",CASCADES, 3000.00000 , 0.00000000 , 0.00000000 , 0.00000000 , -2.22222233 , -1.11111116 , 1693.38635 , 0.949999988 , 0.00000000 ,2026-04-16
8+
778:WA:SNTL,"Stevens Pass",CASCADES, 4061.00000 , 0.00000000 , 0.00000000 , 0.00000000 , -2.22222233 , -1.11111116 , 2754.38647 , 0.949999988 , 0.00000000 ,2026-04-16
9+
780:WA:SNTL,"Stampede Pass",CASCADES, 3960.00000 , 0.00000000 , 0.00000000 , 0.00000000 , -2.22222233 , -1.11111116 , 2653.38647 , 0.949999988 , 0.00000000 ,2026-04-16
10+
910:WA:SNTL,"Elbow Lake",CASCADES, 3050.00000 , 3.59999990 , 16.3636360 , 4.72222233 , -2.11111069 , 1.30555582 , 2758.34521 , 0.949999988 , 1.30555582 ,2026-04-16
11+
375:WA:SNTL,"Bumping Ridge",CASCADES, 4600.00000 , 13.1999998 , 34.7368431 , 1.99999917 , -5.72222185 , -1.86111140 , 2978.39941 , 0.949999988 , 0.00000000 ,2026-04-16
12+
418:WA:SNTL,"Corral Pass",RAINIER, 5810.00000 , 26.8999996 , 51.7307701 , 3.00000095 , -6.11111116 , -1.55555511 , 4316.72803 , 0.949999988 , 0.00000000 ,2026-04-16

cascadia-wx-report.txt

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33
CASCADIA-WX // PACIFIC NORTHWEST MOUNTAIN WEATHER ANALYSIS
44
RAINIER · OLYMPICS · CASCADES
55

6-
PROCESSING DATE: 2026-04-16
6+
PROCESSING DATE: 2026-04-17
77

88
====================================================================================================
99

1010
SECTION I: SNOTEL STATION ANALYSIS
1111

1212
STATION MASSIF ELEV(FT) SWE(IN) %NORM TMAX-C TMIN-C TAVG-C SNOLVL(FT) PHASE MELT-IDX
1313
----------------------------------------------------------------------------------------------------
14-
Paradise RAINIER 5150. 37.20 74.0 -0.6 -7.2 -3.9 1054. SNOW 0.00
15-
Cayuse Pass RAINIER 5260. 24.70 53.7 0.1 -5.2 -2.6 2106. SNOW 0.00
16-
Burnt Mountain RAINIER 4160. 4.30 15.4 0.0 -2.2 -1.1 2006. SNOW 0.00
17-
Dungeness OLYMPICS 3990. 0.00 0.0 1.7 -4.1 -1.2 1778. SNOW 0.00
18-
Buckinghorse OLYMPICS 4850. 27.60 65.7 2.4 -6.3 -1.9 2119. SNOW 0.00
19-
Snoqualmie Pass CASCADES 3000. 0.00 0.0 0.0 -2.2 -1.1 846. SNOW 0.00
20-
Stevens Pass CASCADES 4061. 0.00 0.0 0.0 -2.2 -1.1 1907. SNOW 0.00
21-
Stampede Pass CASCADES 3960. 0.00 0.0 0.0 -2.2 -1.1 1806. SNOW 0.00
22-
Elbow Lake CASCADES 3050. 3.10 14.1 4.3 -1.1 1.6 2762. SNOW 1.58
23-
Bumping Ridge CASCADES 4600. 12.70 33.4 -0.5 -6.5 -3.5 792. SNOW 0.00
24-
Corral Pass RAINIER 5810. 26.20 50.4 2.2 -6.2 -2.0 3041. SNOW 0.00
14+
Paradise RAINIER 5150. 38.20 75.9 2.1 -6.5 -2.2 3388. SNOW 0.00
15+
Cayuse Pass RAINIER 5260. 26.00 56.5 1.5 -5.5 -2.0 3580. SNOW 0.00
16+
Burnt Mountain RAINIER 4160. 6.00 21.4 0.0 -2.2 -1.1 2853. SNOW 0.00
17+
Dungeness OLYMPICS 3990. 0.00 0.0 4.4 -3.2 0.6 3395. SNOW 0.58
18+
Buckinghorse OLYMPICS 4850. 27.70 66.0 3.1 -5.7 -1.3 3462. SNOW 0.00
19+
Snoqualmie Pass CASCADES 3000. 0.00 0.0 0.0 -2.2 -1.1 1693. SNOW 0.00
20+
Stevens Pass CASCADES 4061. 0.00 0.0 0.0 -2.2 -1.1 2754. SNOW 0.00
21+
Stampede Pass CASCADES 3960. 0.00 0.0 0.0 -2.2 -1.1 2653. SNOW 0.00
22+
Elbow Lake CASCADES 3050. 3.60 16.4 4.7 -2.1 1.3 2758. SNOW 1.31
23+
Bumping Ridge CASCADES 4600. 13.20 34.7 2.0 -5.7 -1.9 2978. SNOW 0.00
24+
Corral Pass RAINIER 5810. 26.90 51.7 3.0 -6.1 -1.6 4317. SNOW 0.00
2525

2626
SECTION II: LAPSE RATE & PRECIPITATION PHASE ANALYSIS
2727

28-
ENVIRONMENTAL LAPSE RATE: -4.74 C/km
28+
ENVIRONMENTAL LAPSE RATE: -7.81 C/km
2929
DRY ADIABATIC LAPSE RATE: -9.80 C/km
3030
MOIST ADIABATIC LAPSE RATE: -6.50 C/km
31-
REGIONAL MEAN SNOW LEVEL: 1838. ft
31+
REGIONAL MEAN SNOW LEVEL: 3076. ft
3232

3333
STATION ELEV(FT) LPS(C/km) SNOLVL(FT) SNOW% RAIN% STABILITY
3434
----------------------------------------------------------------------------------------------------
35-
Paradise 5150. -5.50 1054. 95.0 5.0 NEUTRAL
36-
Cayuse Pass 5260. -4.45 2106. 95.0 5.0 STABLE
37-
Burnt Mountain 4160. -4.50 2006. 95.0 5.0 STABLE
38-
Dungeness 3990. -4.79 1778. 95.0 5.0 STABLE
39-
Buckinghorse 4850. -4.41 2119. 95.0 5.0 STABLE
40-
Snoqualmie Pass 3000. -6.52 846. 95.0 5.0 COND UNSTBL
41-
Stevens Pass 4061. -4.62 1907. 95.0 5.0 STABLE
42-
Stampede Pass 3960. -4.75 1806. 95.0 5.0 STABLE
43-
Elbow Lake 3050. -3.03 2762. 95.0 5.0 STABLE
44-
Bumping Ridge 4600. -5.90 792. 95.0 5.0 NEUTRAL
45-
Corral Pass 5810. -3.66 3041. 95.0 5.0 STABLE
35+
Paradise 5150. -7.09 3388. 95.0 5.0 COND UNSTBL
36+
Cayuse Pass 5260. -6.79 3580. 95.0 5.0 COND UNSTBL
37+
Burnt Mountain 4160. -8.01 2853. 95.0 5.0 COND UNSTBL
38+
Dungeness 3990. -6.83 3395. 95.0 5.0 COND UNSTBL
39+
Buckinghorse 4850. -6.91 3462. 95.0 5.0 COND UNSTBL
40+
Snoqualmie Pass 3000. -11.63 1693. 95.0 5.0 UNSTABLE
41+
Stevens Pass 4061. -8.23 2754. 95.0 5.0 COND UNSTBL
42+
Stampede Pass 3960. -8.47 2653. 95.0 5.0 COND UNSTBL
43+
Elbow Lake 3050. -8.38 2758. 95.0 5.0 COND UNSTBL
44+
Bumping Ridge 4600. -7.76 2978. 95.0 5.0 COND UNSTBL
45+
Corral Pass 5810. -5.83 4317. 95.0 5.0 NEUTRAL
4646

4747
SECTION III: MOUNTAIN MASSIF SNOWPACK SUMMARY
4848

4949
MASSIF STATIONS AVG SWE (IN) AVG % NORMAL STATUS
5050
------------------------------------------------------------
51-
RAINIER 4 23.10 48.3 WELL BELOW NORMAL
52-
OLYMPICS 2 13.80 32.9 WELL BELOW NORMAL
53-
CASCADES 5 3.16 9.5 WELL BELOW NORMAL
51+
RAINIER 4 24.27 51.4 WELL BELOW NORMAL
52+
OLYMPICS 2 13.85 33.0 WELL BELOW NORMAL
53+
CASCADES 5 3.36 10.2 WELL BELOW NORMAL
5454

5555
SECTION IV: ATMOSPHERIC ANALYSIS
5656

57-
ATMOSPHERIC RIVER INDEX: -1.88
57+
ATMOSPHERIC RIVER INDEX: -0.63
5858
AR STATUS: NO AR CONDITIONS
59-
STORM CLASSIFICATION: CUTOFF LOW / OTHER
60-
ENVIRONMENTAL LAPSE RATE: -4.74 C/km
61-
REGIONAL SNOW LEVEL: 1838. ft
62-
REGIONAL SWE % NORMAL: 27.9%
59+
STORM CLASSIFICATION: GULF OF ALASKA
60+
ENVIRONMENTAL LAPSE RATE: -7.81 C/km
61+
REGIONAL SNOW LEVEL: 3076. ft
62+
REGIONAL SWE % NORMAL: 29.3%
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6464
====================================================================================================
6565
END OF REPORT // 11 STATIONS PROCESSED

snotel_data.csv

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id,name,massif,elev_ft,swe,swe_pct,tmax,tmin,precip,date
2-
679:WA:SNTL,Paradise,RAINIER,5150,37.2,73.95626242544733,30.9,19.0,108.7,2026-04-15
3-
1085:WA:SNTL,Cayuse Pass,RAINIER,5260,24.7,53.69565217391305,32.2,22.6,0.0,2026-04-15
4-
942:WA:SNTL,Burnt Mountain,RAINIER,4160,4.3,15.357142857142856,32.0,28.0,64.6,2026-04-15
5-
943:WA:SNTL,Dungeness,OLYMPICS,3990,0.0,0.0,35.1,24.6,33.8,2026-04-15
6-
1107:WA:SNTL,Buckinghorse,OLYMPICS,4850,27.6,65.71428571428571,36.3,20.7,111.7,2026-04-15
7-
774:WA:SNTL,Snoqualmie Pass,CASCADES,3000,0.0,0.0,32.0,28.0,0.0,2026-04-15
8-
778:WA:SNTL,Stevens Pass,CASCADES,4061,0.0,0.0,32.0,28.0,0.0,2026-04-15
9-
780:WA:SNTL,Stampede Pass,CASCADES,3960,0.0,0.0,32.0,28.0,0.0,2026-04-15
10-
910:WA:SNTL,Elbow Lake,CASCADES,3050,3.1,14.09090909090909,39.7,30.0,131.6,2026-04-15
11-
375:WA:SNTL,Bumping Ridge,CASCADES,4600,12.7,33.421052631578945,31.1,20.3,70.4,2026-04-15
12-
418:WA:SNTL,Corral Pass,RAINIER,5810,26.2,50.38461538461539,36.0,20.8,51.6,2026-04-15
2+
679:WA:SNTL,Paradise,RAINIER,5150,38.2,75.94433399602387,35.8,20.3,109.8,2026-04-16
3+
1085:WA:SNTL,Cayuse Pass,RAINIER,5260,26.0,56.52173913043478,34.7,22.1,0.0,2026-04-16
4+
942:WA:SNTL,Burnt Mountain,RAINIER,4160,6.0,21.428571428571427,32.0,28.0,66.2,2026-04-16
5+
943:WA:SNTL,Dungeness,OLYMPICS,3990,0.0,0.0,39.9,26.2,33.9,2026-04-16
6+
1107:WA:SNTL,Buckinghorse,OLYMPICS,4850,27.7,65.95238095238095,37.6,21.7,112.7,2026-04-16
7+
774:WA:SNTL,Snoqualmie Pass,CASCADES,3000,0.0,0.0,32.0,28.0,0.0,2026-04-16
8+
778:WA:SNTL,Stevens Pass,CASCADES,4061,0.0,0.0,32.0,28.0,0.0,2026-04-16
9+
780:WA:SNTL,Stampede Pass,CASCADES,3960,0.0,0.0,32.0,28.0,0.0,2026-04-16
10+
910:WA:SNTL,Elbow Lake,CASCADES,3050,3.6,16.363636363636363,40.5,28.2,132.0,2026-04-16
11+
375:WA:SNTL,Bumping Ridge,CASCADES,4600,13.2,34.73684210526316,35.6,21.7,71.0,2026-04-16
12+
418:WA:SNTL,Corral Pass,RAINIER,5810,26.9,51.730769230769226,37.4,21.0,52.4,2026-04-16

valley_data.csv

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name,elev_m,temp_c
2-
Seattle-Tacoma Airport,131,4.0
3-
Bremerton Airport,148,4.0
4-
Tacoma Narrows Airport,93,4.0
5-
Enumclaw Airport,202,16.0
2+
Seattle-Tacoma Airport,131,8.0
3+
Bremerton Airport,148,7.0
4+
Tacoma Narrows Airport,93,7.0
5+
Enumclaw Airport,202,14.0

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