MOUNT RAINIER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Sunday, August 21, 2022

[ Saturday, August 20, 2022 | Index | Today | Monday, August 22, 2022 ]

DAY 325 OF WATER YEAR 2022, FORECAST LAST UPDATED 08/22/2022 04:00:07 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): 72.02°F
MINIMUM TEMPERATURE (Tmin): 50.96°F
AVERAGE TEMPERATURE (Tavg): 61.49°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.847
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: 40
18-DAY CUMULATIVE DD32: 681

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): 0.01 in
DAY 4-15 (P15): 0.00 in
18-DAY TOTAL (P18): 0.01 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: 232
CALCULATED SNOW DENSITY: 457.06 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: 40

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 4
D1: 3
D2: 5
D3: 1
D4: 5
D5: 1
HSdry: 60.0

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
2022-08-22 04:00:07OBSERVATION20223254072.0199450.9599461.48994000.0100.01FF40.01994681.01994232457.05785953596 00.8469923890116816 43515160DRYH
2022-08-22 00:00:02FORECAST20223254055.5655.5655.56000.0100.01FF23.56664.56233457.592044076300.285101751141521623515225DRYL
2022-08-21 12:00:01FORECAST20223254066.8656.7461.8000.0100.01FF34.86675.86233457.592044076300.700081735041611643515230DRYL
2022-08-21 08:00:02FORECAST20223254066.5254.3960.45500.00450.014500.0145FF34.52675.52233457.592044076300.688557565679731633515227.5DRYL
2022-08-21 04:00:05FORECAST20223254067.8653.2460.5500.0020.01200.012FF35.86676.86233457.592044076300.73280375553651643515230DRYL
2022-08-21 00:00:03FORECAST20223254068.5353.6461.08500.00540.015400.0154FF36.53669.53232457.0578595359600.753673068203741643515160DRYH
2022-08-20 20:00:01FORECAST20223254067.7253.7260.7200.00020.000200.0002FF35.72676.72232457.0578595359600.728333092442411643515230DRYL
2022-08-20 16:00:02FORECAST20223254069.1153.9961.5500.00020.000200.0002FF37.11678.11232457.0578595359600.771009312347371643515160DRYH
2022-08-20 12:00:03FORECAST20223254069.4154.5861.99500.00020.000200.0002FF37.41678.41232457.0578595359600.77970100730671643515160DRYH
2022-08-20 08:00:03FORECAST20223254069.7555.1362.4400.00020.010200.0102FF37.75679.75232457.0578595359600.789319425346431643515160DRYH
2022-08-20 04:00:08FORECAST20223254070.155.2862.6900.00020.000200.0002FF38.1677.1232457.0578595359600.798959102520411643515160DRYH
2022-08-20 00:00:03FORECAST20223254070.3254.9162.61500.00120.011200.0112FF38.32668.32232457.0578595359600.804880852927641643515160DRYH
2022-08-19 20:00:02FORECAST20223254070.5355.3762.9500.00020.010200.0102FF38.53682.53232457.0578595359600.810433592436231643515160DRYH
2022-08-19 16:00:02FORECAST20223254070.2355.2862.75500.00040.010400.0104FF38.23682.23232457.0578595359600.802471215974691643515160DRYH
2022-08-19 12:00:03FORECAST20223254070.0255.1462.5800.00040.010400.0104FF38.02682.02232457.0578595359600.796779343482391643515160DRYH
2022-08-19 08:00:03FORECAST20223254069.8155.1962.500.00120.021200.0212FF37.81677.81232457.0578595359600.790990897978041643515160DRYH
2022-08-19 04:00:06FORECAST20223254070.5755.3762.9700.00020.030200.0302FF38.57679.57232457.0578595359600.811480151676911643515160DRYH
2022-08-19 00:00:03FORECAST20223254070.4555.6663.05500.0010.02100.021FF38.45669.45232457.0578595359600.808329800602961643515160DRYH
2022-08-18 20:00:03FORECAST20223254070.9755.2363.100.00130.03130.020.0513FF38.97675.97232457.0578595359600.821749289476211643515160DRYH
2022-08-18 16:00:03FORECAST20223254070.7256.2163.46500.00160.02160.020.0416FF38.72678.72232457.0578595359600.815372993362311643515160DRYH
2022-08-18 12:00:04FORECAST20223254067.9155.9861.94500.00210.03210.020.0521FF35.91675.91232457.0578595359600.734391385105571643515230DRYL
2022-08-18 08:00:04FORECAST20223254068.0855.2861.6800.00340.10340.020.1234FF36.08670.08232457.0578595359600.7397533482361516435251120DRYVH
2022-08-18 04:00:10FORECAST20223254072.3456.5164.42500.00370.083700.0837FF40.34674.34232457.0578595359600.854192602357691653515165DRYH
2022-08-18 00:00:04FORECAST20223254072.757.1864.9400.00050.04050.020.0605FF40.7667.7232457.0578595359600.862015688431771653515165DRYH
2022-08-17 20:00:04FORECAST20223254072.1956.5664.37500.00070.16070.030.1907FF40.19673.19232457.0578595359600.8508469010972816535251130DRYVH
2022-08-17 16:00:04FORECAST20223254071.756.4164.05500.00050.11050.040.1505FF39.7675.7232457.0578595359600.8395637792935916435251120DRYVH
2022-08-17 12:00:04FORECAST20223254072.5657.5865.0700.00050.12050.040.1605FF40.56675.56232457.0578595359600.8590079843072116535251130DRYVH
2022-08-17 08:00:04FORECAST20223254070.2956.863.54500.00050.150500.1505FF38.29673.29232457.0578595359600.8040796287534316435251120DRYVH
2022-08-17 04:00:08FORECAST20223254070.2956.863.54500.00050.150500.1505FF38.29673.29232457.0578595359600.8040796287534316435251120DRYVH
2022-08-17 00:00:04FORECAST20223254070.9755.4963.2300.00050.06050.040.1005FF38.97669.97232457.0578595359600.821749289476211643515160DRYH
2022-08-16 20:00:04FORECAST20223254070.9754.862.88500.00280.042800.0428FF38.97675.97232457.0578595359600.821749289476211643515160DRYH
2022-08-16 16:00:03FORECAST20223254071.9557.664.77500.02610.05610.040.0961FF39.95677.95232457.0578595359600.845388212888661643515160DRYH
2022-08-16 12:00:04FORECAST20223254068.0952.4160.2500.36450.37450.030.4045FF36.09674.09232457.0578595359600.7400670141504216435251120DRYVH
2022-08-16 08:00:03FORECAST20223254071.957.764.800.02610.03610.010.0461FF39.9674.9232457.0578595359600.844234618940481643515160DRYH
2022-08-16 04:00:09FORECAST20223254070.8356.5363.6800.01950.01950.020.0395FF38.83681.83232457.0578595359600.818195806381791643515160DRYH
2022-08-16 00:00:04FORECAST20223254055.7450.1552.94500.42910.43910.010.4491FF23.74648.74232457.0578595359600.291039762873981623525250DRYMH
2022-08-15 20:00:04FORECAST20223254055.348.8252.0600.43050.44050.010.4505FF23.3665.3232457.0578595359600.276627884033851623525250DRYMH
2022-08-15 16:00:03FORECAST20223254059.7251.0955.40500.48810.50810.020.5281FF27.72673.72232457.0578595359600.434238042008541623535275DRYVH
2022-08-15 12:00:05FORECAST20223254065.0853.5359.30500.05620.05620.030.0862FF33.08675.08232457.0578595359600.637789705632631633515227.5DRYL
2022-08-15 08:00:04FORECAST20223254066.5954.0960.340000.050.05FF34.59671.59232457.0578595359600.690945836675251633515227.5DRYL
2022-08-15 04:00:08FORECAST20223254066.5954.0960.340000.030.03FF34.59671.59232457.0578595359600.690945836675251633515227.5DRYL
2022-08-15 00:00:05FORECAST20223254081.0463.172.070000.010.01FF49.04677.04232457.0578595359600.971145232317821653515165DRYH
2022-08-14 20:00:04FORECAST20223254081.1663.1172.1350000.010.01FF49.16689.16232457.0578595359600.971904745850141653515165DRYH
2022-08-14 16:00:04FORECAST20223254081.1964.3272.7550000.010.01FF49.19687.19232457.0578595359600.97209200815261653515165DRYH
2022-08-14 12:00:05FORECAST20223254075.9363.9869.9550000.020.02FF43.93680.93232457.0578595359600.919566380858011653515165DRYH
2022-08-14 08:00:04FORECAST20223254064.0362.8763.4500000FF32.03661.03232457.0578595359600.599113356765011633515227.5DRYL
2022-08-14 04:00:10FORECAST20223254064.0362.8763.4500000FF32.03664.03232457.0578595359600.599113356765011633515227.5DRYL