MOUNT RAINIER
GEOLOGY & WEATHER
Hello guest! [ Log In ]
MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Monday, July 25, 2022

[ Sunday, July 24, 2022 | Index | Today | Tuesday, July 26, 2022 ]

DAY 298 OF WATER YEAR 2022, FORECAST LAST UPDATED 07/26/2022 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:
H
HIGH

MODEL USED FOR HAZARD CLASS DETERMINATION:

DRY

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 78.61°F
MINIMUM TEMPERATURE (Tmin): 61.63°F
AVERAGE TEMPERATURE (Tavg): 70.12°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.936
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: 47
18-DAY CUMULATIVE DD32: 586

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): 0.03 in
18-DAY TOTAL (P18): 0.03 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: 205
CALCULATED SNOW DENSITY: 441.84 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: 13

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 5
D1: 2
D2: 4
D3: 1
D4: 5
D5: 1
HSdry: 55.0

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
2022-07-26 04:00:05OBSERVATION20222981378.6099261.6299870.119950000.030.03FF46.60992585.60992205441.84013369272 00.9356862268424316 52415155DRYH
2022-07-26 00:00:01FORECAST20222981367.4667.4667.460000.030.03FF35.46574.46206442.4320358583100.603059202771111632415222.5DRYL
2022-07-25 12:00:02FORECAST20222981375.5264.8770.1950000.030.03FF43.52582.52206442.4320358583100.87908486965821652415155DRYH
2022-07-25 08:00:01FORECAST20222981375.8264.9270.370000.030.03FF43.82582.82206442.4320358583100.885762554036561652415155DRYH
2022-07-25 04:00:07FORECAST20222981376.0162.3969.20000.030.03FF44.01583.01206442.4320358583100.889853913561831652415155DRYH
2022-07-25 00:00:02FORECAST20222981376.9760.8568.910000.030.03FF44.97572.97205441.8401336927200.908928121646221652415155DRYH
2022-07-24 20:00:02FORECAST20222981376.8863.1670.020.22082133333333000.030.03FF44.88583.88205441.927640972910.0975870509164930.907251099560571652414144DRYM
2022-07-24 16:00:01FORECAST20222981376.7661.8869.320.271278666666670.00380.00380.030.0338FF44.76583.76205441.947629363260.119890963630160.904979811749891652414144DRYM
2022-07-24 12:00:03FORECAST20222981376.8361.6769.250000.030.03FF44.83583.83205441.8401336927200.906309641036231652415155DRYH
2022-07-24 08:00:03FORECAST20222981376.7662.9369.8450000.030.03FF44.76581.76205441.8401336927200.904979811749891652415155DRYH
2022-07-24 04:00:07FORECAST20222981376.962.0269.4600.0010.0010.030.031FF44.9580.9205441.8401336927200.907625724146951652415155DRYH
2022-07-24 00:00:03FORECAST20222981376.7861.7469.260000.030.03FF44.78576.78205441.8401336927200.90536116913451652415155DRYH
2022-07-23 20:00:03FORECAST20222981375.9661.7668.860000.030.03FF43.96580.96205441.8401336927200.888787540625111652415155DRYH
2022-07-23 16:00:02FORECAST20222981376.2561.6868.96500.00110.00110.030.0311FF44.25585.25205441.8401336927200.894870753131671652415155DRYH
2022-07-23 12:00:03FORECAST20222981375.9761.3968.680000.030.03FF43.97584.97205441.8401336927200.889001402521041652415155DRYH
2022-07-23 08:00:03FORECAST20222981376.3661.4568.905000.010.030.04FF44.36582.36205441.8401336927200.897114215733371652415155DRYH
2022-07-23 04:00:08FORECAST20222981376.2161.6268.91500.00360.00360.030.0336FF44.21587.21205441.8401336927200.894046262296611652415155DRYH
2022-07-23 00:00:04FORECAST20222981375.561.268.350000.030.03FF43.5574.5205441.8401336927200.878630151641711652415155DRYH
2022-07-22 20:00:03FORECAST20222981377.1361.0369.080000.030.03FF45.13587.13205441.8401336927200.911853971693641652415155DRYH
2022-07-22 16:00:03FORECAST20222981375.6660.6668.1600.00750.00750.030.0375FF43.66585.66205441.8401336927200.882234442513291652415155DRYH
2022-07-22 12:00:04FORECAST20222981376.6360.3768.500.00130.00130.030.0313FF44.63585.63205441.8401336927200.902473457240631652415155DRYH
2022-07-22 08:00:04FORECAST20222981372.4260.4966.45500.00130.00130.030.0313FF40.42576.42205441.8401336927200.794065784144341642415150DRYMH
2022-07-22 04:00:09FORECAST20222981377.7159.8468.7750000.030.03FF45.71584.71205441.8401336927200.921875672160681652415155DRYH
2022-07-22 00:00:04FORECAST20222981377.6460.8769.2550000.030.03FF45.64571.64205441.8401336927200.920713989508071652415155DRYH
2022-07-21 20:00:03FORECAST20222981377.5259.7868.650000.030.03FF45.52585.52205441.8401336927200.918692284289241652415155DRYH
2022-07-21 16:00:03FORECAST2022298137759.5968.2950000.030.03FF45584205441.8401336927200.909482117763841652415155DRYH
2022-07-21 12:00:04FORECAST20222981378.6859.5869.130000.030.03FF46.68588.68205441.8401336927200.936676789915691652415155DRYH
2022-07-21 08:00:04FORECAST20222981376.0560.3268.1850000.030.03FF44.05582.05205441.8401336927200.890701732521431652415155DRYH
2022-07-21 04:00:09FORECAST20222981376.7460.0968.415000.010.030.04FF44.74585.74205441.8401336927200.904597327365691652415155DRYH
2022-07-21 00:00:04FORECAST20222981378.8860.3669.62000.010.030.04FF46.88570.88205441.8401336927200.939438696147791652415155DRYH
2022-07-20 20:00:04FORECAST20222981378.8860.1469.51000.010.040.05FF46.88583.88205441.8401336927200.939438696147791652415155DRYH
2022-07-20 16:00:03FORECAST20222981380.1961.2670.725000.010.030.04FF48.19586.19205441.8401336927200.955273737535811652415155DRYH
2022-07-20 12:00:06FORECAST20222981380.9561.7171.33000.010.030.04FF48.95582.95205441.8401336927200.962815297116331652415155DRYH
2022-07-20 08:00:04FORECAST20222981380.7462.7671.75000.010.030.04FF48.74583.74205441.8401336927200.960843161617851652415155DRYH
2022-07-20 04:00:08FORECAST20222981379.8661.4470.65000.010.030.04FF47.86583.86205441.8401336927200.951637776613021652415155DRYH
2022-07-20 00:00:05FORECAST20222981372.0157.364.655000.010.030.04FF40.01564.01205441.8401336927200.780642329206781642415150DRYMH
2022-07-19 20:00:04FORECAST20222981372.0257.5664.79000.010.030.04FF40.02576.02205441.8401336927200.780975588631971642415150DRYMH
2022-07-19 16:00:04FORECAST20222981372.1356.7364.43000.010.030.04FF40.13574.13205441.8401336927200.784622211000311642415150DRYMH
2022-07-19 12:00:03FORECAST20222981372.4657.4164.935000.010.040.05FF40.46572.46205441.8401336927200.795348830037141642415150DRYMH
2022-07-19 08:00:04FORECAST20222981375.2759.6667.465000.040.050.09FF43.27571.27205441.8401336927200.873314636143391652415155DRYH
2022-07-19 04:00:09FORECAST20222981375.1759.7967.48000.040.050.09FF43.17574.17205441.8401336927200.870953854199951652415155DRYH
2022-07-19 00:00:04FORECAST20222981384.461.3472.8700000FF52.4578.4205441.8401336927200.985199608531251652415155DRYH
2022-07-18 20:00:04FORECAST20222981384.8561.3673.10500000FF52.85588.85205441.8401336927200.987007920714551652415155DRYH
2022-07-18 16:00:04FORECAST20222981380.2559.569.87500000FF48.25586.25205441.8401336927200.955910621024241652415155DRYH
2022-07-18 12:00:04FORECAST20222981378.165.5671.8300000FF46.1597.1205441.8401336927200.928113540333081652415155DRYH
2022-07-18 08:00:04FORECAST20222981366.0564.3165.180000.010.01FF34.05583.05205441.8401336927200.540735323389221632415222.5DRYL
2022-07-18 04:00:08FORECAST20222981365.764.5865.140000.010.01FF33.7585.7205441.8401336927200.525045703225651632415222.5DRYL