MOUNT RAINIER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Friday, August 12, 2022

[ Thursday, August 11, 2022 | Index | Today | Saturday, August 13, 2022 ]

DAY 316 OF WATER YEAR 2022, FORECAST LAST UPDATED 08/13/2022 04:00:05 AM
According to the database, there were no geologic events (floods, debris flows, outburst floods, etc) on this day.

THIS DAY'S DEBRIS FLOW HAZARD CLASS:
L
LOW

MODEL USED FOR HAZARD CLASS DETERMINATION:

DRY

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 66.12°F
MINIMUM TEMPERATURE (Tmin): 49.57°F
AVERAGE TEMPERATURE (Tavg): 57.85°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.574
Maximum Percentile on this day is based on 16 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: 34
18-DAY CUMULATIVE DD32: 746

DD32 is calculated as: DD32 = TMAX - 32
18-day Cumulative DD32 is the sum of DD32 for the last 18 days.
Precipitation at Paradise DAY 1: 0.00 in
DAY 1-3 (P3): 0.00 in
DAY 4-15 (P15): 0.00 in
18-DAY TOTAL (P18): 0.00 in

PRECIP THRESHOLD A (PA) EXCEEDED: False
P3 > (-0.67 * P15 + 2.5)

PRECIP THRESHOLD B (PB) EXCEEDED: False
P3 > (-0.67 * P15 + 4.5)
Snow at Paradise DEPTH: 0 in
SWE DAY: 223
CALCULATED SNOW DENSITY: 452.16 kg/m3
CALCULATED SWE: 0.00 in

SWE Day, Calculated Snow Density, and Calculated SWE based on work by Sturm and others (2010)
If Tavg > 32°F, snow melt is factored in at: M (in) = a(Tavg - T32), where a is between 0.0766 - 0.1312 in * °F-1 * day-1 (Currently 0.1039) and T32 = 32°F. This method is from Westerstrom (1982) in Kustas and others (1994) and converted to US customary units.
Seasonal Variables DAYS SINCE JULY 11: 31

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 3
D1: 2
D2: 5
D3: 1
D4: 5
D5: 2
HSdry: 25.0

These are primarly for the Dry-weather debris flow hazard model, but calculated every day.
HSdry = (([D0 + D1 + D2] * D3) * D4) / D5
See model (right) to figure out how D0 - D5 are calculated.
Notes

UPDATE HISTORY AND MODEL OUTPUT NOTES:
You can also use this to see how the forecast changes over time. Note that "FORECAST" is the forecasted model whereas "OBSERVED" is the actual observed values for that day.
Show/Hide: Observation | Forecast | Notes | Status

D TYPE WY DOFWY DS0SP T_MAX T_MIN T_AVG SP P1 P3 P15 P18 PA PB DD32 DD32_18 SWE_DAY SNOW_P SWE T_MAX_PERC T_MAX_PERC_YRS D0 D1 D2 D3 D4 D5 HS_DRY FCST_TYPE HAZ_CLASS
2022-08-13 04:00:05OBSERVATION20223163166.1200849.5699857.8450300000FF34.12008746.12008223452.15774396071 00.5739078678199116 32515225DRYL
2022-08-13 00:00:01FORECAST20223163148.5648.5648.5600.00070.000700.0007FF16.56728.56224452.7105136061700.0655285216908231612515220DRYL
2022-08-12 12:00:01FORECAST20223163164.7849.6357.20500.00380.003800.0038FF32.78744.78224452.7105136061700.522711183983041632515225DRYL
2022-08-12 08:00:01FORECAST20223163160.7650.3855.5700.00660.006600.0066FF28.76740.76224452.7105136061700.370270537263911622515222.5DRYL
2022-08-12 04:00:06FORECAST20223163161.8350.556.16500.0060.00600.006FF29.83741.83224452.7105136061700.409886388026421622515222.5DRYL
2022-08-12 00:00:03FORECAST20223163161.0649.9955.52500.02130.021300.0213FF29.06727.06223452.1577439607100.381259602412911622515222.5DRYL
2022-08-11 20:00:02FORECAST20223163160.9150.3155.6100.02550.025500.0255FF28.91739.91223452.1577439607100.375752476948821622515222.5DRYL
2022-08-11 16:00:02FORECAST20223163162.485156.7400.01940.019400.0194FF30.48741.48223452.1577439607100.434438384188441622515222.5DRYL
2022-08-11 12:00:03FORECAST20223163163.2150.7656.98500.01250.012500.0125FF31.21742.21223452.1577439607100.462312171722111622515222.5DRYL
2022-08-11 08:00:03FORECAST20223163162.9450.9256.9300.01140.011400.0114FF30.94738.94223452.1577439607100.451973657972311622515222.5DRYL
2022-08-11 04:00:06FORECAST20223163163.4350.9857.20500.01170.011700.0117FF31.43739.43223452.1577439607100.470755336951921622515222.5DRYL
2022-08-11 00:00:03FORECAST20223163163.6951.0757.3800.03490.044900.0449FF31.69723.69223452.1577439607100.480750301876181622515222.5DRYL
2022-08-10 20:00:02FORECAST20223163163.9651.157.5300.03650.056500.0565FF31.96738.96223452.1577439607100.491142427888661622515222.5DRYL
2022-08-10 16:00:03FORECAST20223163164.0250.9957.50500.03030.060300.0603FF32.02739.02223452.1577439607100.493452854808731622515222.5DRYL
2022-08-10 12:00:03FORECAST20223163164.2750.857.53500.00610.016100.0161FF32.27738.27223452.1577439607100.503081117184781632515225DRYL
2022-08-10 08:00:04FORECAST20223163164.7551.1957.9700.0040.04400.044FF32.75736.75223452.1577439607100.5215575327961632515225DRYL
2022-08-10 04:00:08FORECAST20223163164.6351.2857.95500.01260.042600.0426FF32.63734.63223452.1577439607100.516941218085021632515225DRYL
2022-08-10 00:00:04FORECAST20223163163.7751.0357.400.01680.096800.0968FF31.77725.77223452.1577439607100.48382840531841622525245DRYM
2022-08-09 20:00:02FORECAST20223163166.1151.8658.98500.01690.09690.030.1269FF34.11736.11223452.1577439607100.573526289583221632525250DRYMH
2022-08-09 16:00:03FORECAST20223163166.1951.1658.67500.0190.1090.030.139FF34.19735.19223452.1577439607100.576552765221081632525250DRYMH
2022-08-09 12:00:04FORECAST20223163169.451.8460.6200.02910.07910.030.1091FF37.4739.4223452.1577439607100.692512712377421632515150DRYMH
2022-08-09 08:00:03FORECAST20223163168.5151.2359.8700.03770.07770.030.1077FF36.51736.51223452.1577439607100.661682790616171632515150DRYMH
2022-08-09 04:00:08FORECAST20223163168.8351.2360.03000.070.070.14FF36.83738.83223452.1577439607100.67290691335591632515150DRYMH
2022-08-09 00:00:04FORECAST20223163169.5153.5761.5400.00240.08240.040.1224FF37.51724.51223452.1577439607100.69623608818421632515150DRYMH
2022-08-08 20:00:04FORECAST20223163169.5153.6461.57500.00240.05240.090.1424FF37.51735.51223452.1577439607100.69623608818421632515150DRYMH
2022-08-08 16:00:03FORECAST20223163169.5153.6661.58500.00240.07240.070.1424FF37.51734.51223452.1577439607100.69623608818421632515150DRYMH
2022-08-08 12:00:04FORECAST20223163169.2853.6261.45000.110.080.19FF37.28734.28223452.1577439607100.6884281347189816325251100DRYVH
2022-08-08 08:00:04FORECAST20223163169.2854.0861.68000.110.060.17FF37.28735.28223452.1577439607100.6884281347189816325251100DRYVH
2022-08-08 04:00:08FORECAST20223163169.3853.4861.43000.090.060.15FF37.38739.38223452.1577439607100.691833585084831632515150DRYMH
2022-08-08 00:00:06FORECAST20223163168.5752.9560.76000.140.070.21FF36.57725.57223452.1577439607100.6637986604117816325251100DRYVH
2022-08-07 20:00:03FORECAST20223163167.7452.7460.24000.140.080.22FF35.74733.74223452.1577439607100.634096189525791632525250DRYMH
2022-08-07 16:00:04FORECAST20223163167.7852.8460.31000.130.110.24FF35.78733.78223452.1577439607100.635547947027611632525250DRYMH
2022-08-07 12:00:04FORECAST20223163166.0551.4758.7600.00190.18190.10.2819FF34.05732.05223452.1577439607100.571253578357421632525250DRYMH
2022-08-07 08:00:04FORECAST20223163166.251.3658.7800.00190.16190.090.2519FF34.2726.2223452.1577439607100.576930761185291632525250DRYMH
2022-08-07 04:00:07FORECAST20223163166.1951.3558.7700.00190.15190.070.2219FF34.19733.19223452.1577439607100.576552765221081632525250DRYMH
2022-08-07 00:00:04FORECAST20223163162.9350.2856.605000.080.020.1FF30.93718.93223452.1577439607100.451591330946471622515222.5DRYL
2022-08-06 20:00:04FORECAST20223163162.5949.7356.16000.080.070.15FF30.59727.59223452.1577439607100.438621213335651622515222.5DRYL
2022-08-06 16:00:03FORECAST20223163162.5549.7356.14000.070.090.16FF30.55726.55223452.1577439607100.437099365892351622515222.5DRYL
2022-08-06 12:00:04FORECAST20223163160.4949.0654.77500.00170.10170.090.1917FF28.49724.49223452.1577439607100.360469784476221622525245DRYM
2022-08-06 08:00:03FORECAST20223163160.4549.0954.7700.00170.10170.10.2017FF28.45719.45223452.1577439607100.359025402805021622525245DRYM
2022-08-06 04:00:09FORECAST20223163161.7648.9255.3400.00170.15170.070.2217FF29.76725.76223452.1577439607100.407261492071571622525245DRYM
2022-08-06 00:00:03FORECAST20223163159.7947.7553.7700.08010.22010.060.2801FF27.79716.79223452.1577439607100.335497196341211622525245DRYM
2022-08-05 20:00:04FORECAST20223163159.8547.8653.85500.0650.1750.080.255FF27.85730.85223452.1577439607100.337611348268361622525245DRYM
2022-08-05 16:00:04FORECAST20223163157.284852.6400.06460.15460.040.1946FF25.28728.28223452.1577439607100.252346805846011622525245DRYM
2022-08-05 12:00:04FORECAST20223163154.0647.5750.81500.00090.03090.060.0909FF22.06717.06223452.1577439607100.16401052368081612515220DRYL
2022-08-05 08:00:05FORECAST20223163149.2648.4848.8700.00090.02090.080.1009FF17.26713.26223452.1577439607100.0746243278888131612515220DRYL
2022-08-05 04:00:09FORECAST20223163149.2648.4848.8700.00090.03090.070.1009FF17.26714.26223452.1577439607100.0746243278888131612515220DRYL