MOUNT RAINIER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Sunday, August 7, 2022

[ Saturday, August 6, 2022 | Index | Today | Monday, August 8, 2022 ]

DAY 311 OF WATER YEAR 2022, FORECAST LAST UPDATED 08/08/2022 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): 77.65°F
MINIMUM TEMPERATURE (Tmin): 57.23°F
AVERAGE TEMPERATURE (Tavg): 67.44°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.923
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: 46
18-DAY CUMULATIVE DD32: 725

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: 218
CALCULATED SNOW DENSITY: 449.36 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: 26

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: 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
2022-08-08 04:00:05OBSERVATION20223112677.6499857.2300667.4400200000FF45.64998724.64998218449.36216721666 00.9225227470138816 52515160DRYH
2022-08-08 00:00:02FORECAST20223112664.8664.8664.8600000FF32.86711.86219449.9255398952200.545932791989091632515225DRYL
2022-08-07 12:00:01FORECAST20223112674.8963.6469.26500.00620.006200.0062FF42.89721.89219449.9255398952200.87283989725031652515160DRYH
2022-08-07 08:00:01FORECAST20223112672.0260.5866.300000FF40.02719.02219449.9255398952200.801397170770821642515155DRYH
2022-08-07 04:00:06FORECAST20223112675.9958.0967.0400000FF43.99722.99219449.9255398952200.894788313488561652515160DRYH
2022-08-07 00:00:02FORECAST20223112675.9157.1466.52500.00010.000100.0001FF43.91710.91218449.3621672166600.893290673524331652515160DRYH
2022-08-06 20:00:02FORECAST20223112676.0557.6766.8600000FF44.05720.05218449.3621672166600.895901552489421652515160DRYH
2022-08-06 16:00:02FORECAST20223112675.9958.0867.03500000FF43.99719.99218449.3621672166600.894788313488561652515160DRYH
2022-08-06 12:00:02FORECAST20223112676.0558.9567.500000FF44.05720.05218449.3621672166600.895901552489421652515160DRYH
2022-08-06 08:00:02FORECAST20223112676.1759.0567.61000.0100.01FF44.17716.17218449.3621672166600.898102442606911652515160DRYH
2022-08-06 04:00:07FORECAST20223112675.559.0667.2800000FF43.5720.5218449.3621672166600.8853743984011652515160DRYH
2022-08-06 00:00:02FORECAST20223112675.6658.7967.22500000FF43.66709.66218449.3621672166600.888511856195871652515160DRYH
2022-08-05 20:00:02FORECAST20223112675.4358.7767.100000FF43.43719.43218449.3621672166600.883982245424091652515160DRYH
2022-08-05 16:00:03FORECAST20223112675.5358.8567.1900000FF43.53719.53218449.3621672166600.885967393056311652515160DRYH
2022-08-05 12:00:03FORECAST20223112675.4858.9667.2200000FF43.48716.48218449.3621672166600.884977855269161652515160DRYH
2022-08-05 08:00:04FORECAST20223112675.5558.967.225000.0100.01FF43.55719.55218449.3621672166600.88636151052851652515160DRYH
2022-08-05 04:00:08FORECAST20223112675.7658.8467.300000FF43.76718.76218449.3621672166600.890441386473281652515160DRYH
2022-08-05 00:00:04FORECAST20223112674.9658.6366.795000.0100.01FF42.96706.96218449.3621672166600.874324746704421652515160DRYH
2022-08-04 20:00:03FORECAST20223112676.9958.5567.77000.010.010.02FF44.99717.99218449.3621672166600.912244075523771652515160DRYH
2022-08-04 16:00:03FORECAST20223112677.1658.2967.7250000.010.01FF45.16717.16218449.3621672166600.914983852984131652515160DRYH
2022-08-04 12:00:04FORECAST20223112675.8757.8666.8650000.010.01FF43.87715.87218449.3621672166600.892536128921421652515160DRYH
2022-08-04 08:00:04FORECAST20223112678.3657.9268.140000.040.04FF46.36719.36218449.3621672166600.932534442059321652515160DRYH
2022-08-04 04:00:09FORECAST20223112678.3257.9268.120000.040.04FF46.32720.32218449.3621672166600.931998295552781652515160DRYH
2022-08-04 00:00:04FORECAST20223112678.3658.1168.2350000.070.07FF46.36703.36218449.3621672166600.932534442059321652515160DRYH
2022-08-03 20:00:04FORECAST20223112678.9957.7868.3850000.080.08FF46.99718.99218449.3621672166600.940555688697831652515160DRYH
2022-08-03 16:00:04FORECAST20223112679.7859.0669.420000.090.09FF47.78719.78218449.3621672166600.949538124367781652515160DRYH
2022-08-03 12:00:04FORECAST20223112680.7359.27700000.10.1FF48.73721.73218449.3621672166600.958874058603271652515160DRYH
2022-08-03 08:00:04FORECAST20223112676.8958.9467.9150000.080.08FF44.89710.89218449.3621672166600.910602072539341652515160DRYH
2022-08-03 04:00:10FORECAST20223112679.358.8969.0950000.060.06FF47.3713.3218449.3621672166600.944218958221151652515160DRYH
2022-08-03 00:00:05FORECAST20223112677.3558.4367.890000.060.06FF45.35693.35218449.3621672166600.917969772368431652515160DRYH
2022-08-02 20:00:04FORECAST20223112676.3857.8167.0950000.090.09FF44.38705.38218449.3621672166600.901872420697761652515160DRYH
2022-08-02 16:00:04FORECAST20223112676.3357.8467.085000.020.050.07FF44.33708.33218449.3621672166600.900984180682561652515160DRYH
2022-08-02 12:00:04FORECAST20223112675.9660.2868.12000.020.050.07FF43.96705.96218449.3621672166600.894228485043111652515160DRYH
2022-08-02 08:00:05FORECAST20223112673.358.7566.0250000.050.05FF41.3699.3218449.3621672166600.835815228808761642515155DRYH
2022-08-02 04:00:08FORECAST20223112673.358.7366.0150000.040.04FF41.3706.3218449.3621672166600.835815228808761642515155DRYH
2022-08-02 00:00:05FORECAST20223112676.6959.1367.910000.040.04FF44.69695.69218449.3621672166600.907249927982781652515160DRYH
2022-08-01 20:00:04FORECAST20223112679.0861.2370.1550000.020.02FF47.08721.08218449.3621672166600.941638071131671652515160DRYH
2022-08-01 16:00:04FORECAST20223112678.9561.2370.090000.020.02FF46.95716.95218449.3621672166600.940069624014031652515160DRYH
2022-08-01 12:00:05FORECAST20223112675.7963.4669.62500.0350.0350.020.055FF43.79718.79218449.3621672166600.891015556789991652515160DRYH
2022-08-01 08:00:04FORECAST20223112673.9162.4368.1700.03510.03510.020.0551FF41.91706.91218449.3621672166600.85077029590821652515160DRYH
2022-08-01 04:00:10FORECAST20223112673.9162.468.15500.03510.03510.010.0451FF41.91710.91218449.3621672166600.85077029590821652515160DRYH
2022-08-01 00:00:05FORECAST20223112677.385666.690000.020.02FF45.38690.38218449.3621672166600.918433944916041652515160DRYH
2022-07-31 20:00:05FORECAST20223112677.3956.0166.70000.060.06FF45.39700.39218449.3621672166600.91858822965881652515160DRYH
2022-07-31 16:00:04FORECAST20223112675.0555.365.1750000.030.03FF43.05693.05218449.3621672166600.876216058028521652515160DRYH
2022-07-31 12:00:05FORECAST20223112670.0357.4463.7350000.020.02FF38.03699.03218449.3621672166600.740003339006341642515155DRYH
2022-07-31 08:00:09FORECAST20223112659.5956.9258.2550000.030.03FF27.59687.59218449.3621672166600.336232948213921622515222.5DRYL
2022-07-31 04:00:10FORECAST20223112657.8356.8957.360000.020.02FF25.83688.83218449.3621672166600.273419492532031622515222.5DRYL