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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Sunday, July 31, 2022

[ Saturday, July 30, 2022 | Index | Today | Monday, August 1, 2022 ]

DAY 304 OF WATER YEAR 2022, FORECAST LAST UPDATED 08/01/2022 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): 80.90°F
MINIMUM TEMPERATURE (Tmin): 63.52°F
AVERAGE TEMPERATURE (Tavg): 72.21°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.951
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: 49
18-DAY CUMULATIVE DD32: 691

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: 211
CALCULATED SNOW DENSITY: 445.36 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: 19

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
2022-08-01 04:00:07OBSERVATION20223041980.9000663.5199872.210020000.030.03FF48.90006690.90006211445.35804209427 00.9513986275249616 52515160DRYH
2022-08-01 00:00:02FORECAST20223041965.4465.4465.4400.00010.00010.030.0301FF33.44675.44212445.936601575100.530801980183021632515225DRYL
2022-07-31 12:00:02FORECAST20223041978.9764.0971.5300.00530.00530.030.0353FF46.97688.97212445.936601575100.927956583219041652515160DRYH
2022-07-31 08:00:02FORECAST20223041975.6263.9769.79500.00570.00570.030.0357FF43.62685.62212445.936601575100.868175784675661652515160DRYH
2022-07-31 04:00:07FORECAST20223041976.263.9970.09500.0060.0060.030.036FF44.2686.2212445.936601575100.880431871279621652515160DRYH
2022-07-31 00:00:03FORECAST20223041975.9163.6969.800.00990.00990.030.0399FF43.91667.91211445.3580420942700.874407809870791652515160DRYH
2022-07-30 20:00:02FORECAST20223041976.0363.9569.9900.01030.01030.030.0403FF44.03681.03211445.3580420942700.876925650169411652515160DRYH
2022-07-30 16:00:02FORECAST20223041976.1263.9670.0400.01030.01030.030.0403FF44.12681.12211445.3580420942700.878790733635111652515160DRYH
2022-07-30 12:00:02FORECAST20223041973.0163.9368.4700.01110.01110.030.0411FF41.01678.01211445.3580420942700.802590259321221642515155DRYH
2022-07-30 08:00:03FORECAST20223041976.3463.8570.09500.01120.01120.030.0412FF44.34681.34211445.3580420942700.883266136043411652515160DRYH
2022-07-30 04:00:07FORECAST20223041976.4864.0670.2700.01120.01120.030.0412FF44.48681.48211445.3580420942700.886052584141321652515160DRYH
2022-07-30 00:00:03FORECAST20223041976.663.8870.2400.01170.01170.030.0417FF44.6667.6211445.3580420942700.888403095488231652515160DRYH
2022-07-29 20:00:03FORECAST20223041976.4564.5570.500.01170.01170.030.0417FF44.45681.45211445.3580420942700.885459501448821652515160DRYH
2022-07-29 16:00:03FORECAST20223041976.6664.270.4300.01190.01190.030.0419FF44.66681.66211445.3580420942700.889565295311181652515160DRYH
2022-07-29 12:00:03FORECAST20223041976.9164.0170.4600.01230.01230.030.0423FF44.91681.91211445.3580420942700.894314657051421652515160DRYH
2022-07-29 08:00:02FORECAST20223041976.5963.6470.11500.01240.01240.030.0424FF44.59676.59211445.3580420942700.8882085505381652515160DRYH
2022-07-29 04:00:09FORECAST2022304197664.1270.0600.01240.01240.030.0424FF44674211445.3580420942700.876299522153971652515160DRYH
2022-07-29 00:00:03FORECAST20223041977.4163.7170.5600.00770.00770.030.0377FF45.41667.41211445.3580420942700.903368159581041652515160DRYH
2022-07-28 20:00:03FORECAST20223041979.0463.4671.2500.01120.01120.030.0412FF47.04680.04211445.3580420942700.928935837051881652515160DRYH
2022-07-28 16:00:03FORECAST20223041978.4561.8870.16500.01280.01280.030.0428FF46.45678.45211445.3580420942700.920356681698471652515160DRYH
2022-07-28 12:00:04FORECAST20223041980.1862.7471.4600.01490.01490.030.0449FF48.18681.18211445.3580420942700.943487202542181652515160DRYH
2022-07-28 08:00:04FORECAST20223041975.2362.0168.6200.01630.01630.030.0463FF43.23675.23211445.3580420942700.859464268940991652515160DRYH
2022-07-28 04:00:08FORECAST20223041980.0961.8170.9500.02760.02760.030.0576FF48.09678.09211445.3580420942700.942431003092541652515160DRYH
2022-07-28 00:00:04FORECAST20223041981.7961.6471.71500.02980.02980.030.0598FF49.79668.79211445.3580420942700.959928509261221652515160DRYH
2022-07-27 20:00:04FORECAST20223041979.9759.6469.80500.02940.02940.030.0594FF47.97680.97211445.3580420942700.940998740898081652515160DRYH
2022-07-27 16:00:03FORECAST20223041980.662.0271.3100.02080.02080.030.0508FF48.6683.6211445.3580420942700.948216268225931652515160DRYH
2022-07-27 12:00:04FORECAST20223041978.8261.7870.300.02080.02080.030.0508FF46.82675.82211445.3580420942700.925823505615791652515160DRYH
2022-07-27 08:00:04FORECAST20223041977.5963.7770.6800.03730.03730.030.0673FF45.59671.59211445.3580420942700.90648430353771652515160DRYH
2022-07-27 04:00:08FORECAST20223041977.5963.2570.4200.04880.04880.030.0788FF45.59672.59211445.3580420942700.90648430353771652515160DRYH
2022-07-27 00:00:04FORECAST20223041980.4261.4170.91500.04270.04270.040.0827FF48.42661.42211445.3580420942700.946229398715351652515160DRYH
2022-07-26 20:00:03FORECAST20223041980.2261.5870.900.02280.02280.040.0628FF48.22679.22211445.3580420942700.943951712236841652515160DRYH
2022-07-26 16:00:03FORECAST20223041982.5262.6872.60000.040.04FF50.52680.52211445.3580420942700.965982344222591652515160DRYH
2022-07-26 12:00:04FORECAST20223041966.1953.9660.07500.05390.05390.080.1339FF34.19663.19211445.3580420942700.561165762507981632515225DRYL
2022-07-26 08:00:04FORECAST20223041966.2654.0660.1600.05390.06390.080.1439FF34.26658.26211445.3580420942700.563984224112911632515225DRYL
2022-07-26 04:00:07FORECAST20223041966.3453.8760.10500.05220.06220.040.1022FF34.34670.34211445.3580420942700.56720134117361632515225DRYL
2022-07-26 00:00:05FORECAST20223041974.6161.2567.9300.00160.00160.080.0816FF42.61667.61211445.3580420942700.84482894906521642515155DRYH
2022-07-25 20:00:04FORECAST20223041973.6860.9967.3350000.080.08FF41.68677.68211445.3580420942700.821058848466681642515155DRYH
2022-07-25 16:00:04FORECAST20223041973.7261.1367.4250000.110.11FF41.72677.72211445.3580420942700.822126013229951642515155DRYH
2022-07-25 12:00:04FORECAST20223041972.9158.3665.6350000.110.11FF40.91673.91211445.3580420942700.799738330372491642515155DRYH
2022-07-25 08:00:05FORECAST20223041972.9158.3565.630000.130.13FF40.91669.91211445.3580420942700.799738330372491642515155DRYH
2022-07-25 04:00:09FORECAST20223041973.3658.5565.9550000.050.05FF41.36667.36211445.3580420942700.812377401772741642515155DRYH
2022-07-25 00:00:04FORECAST20223041974.9859.0667.020000.050.05FF42.98658.98211445.3580420942700.853679385173081652515160DRYH
2022-07-24 20:00:04FORECAST20223041974.9758.7966.880000.050.05FF42.97672.97211445.3580420942700.853444720220971652515160DRYH
2022-07-24 16:00:04FORECAST20223041974.1658.1466.150000.050.05FF42.16671.16211445.3580420942700.833599446711541642515155DRYH
2022-07-24 12:00:05FORECAST20223041967.9458.7863.36000.010.040.05FF35.94669.94211445.3580420942700.630339163571021632515225DRYL
2022-07-24 08:00:05FORECAST20223041960.4359.3859.905000.010.050.06FF28.43655.43211445.3580420942700.331901430360841622515222.5DRYL
2022-07-24 04:00:09FORECAST20223041960.4159.3559.88000.010.040.05FF28.41664.41211445.3580420942700.331159905799441622515222.5DRYL