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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Monday, October 10, 2022

[ Sunday, October 9, 2022 | Index | Today | Tuesday, October 11, 2022 ]

DAY 10 OF WATER YEAR 2023, FORECAST LAST UPDATED 10/11/2022 04:00:03 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): 60.09°F
MINIMUM TEMPERATURE (Tmin): 41.12°F
AVERAGE TEMPERATURE (Tavg): 50.61°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.840
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: 28
18-DAY CUMULATIVE DD32: 614

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): 0.35 in
18-DAY TOTAL (P18): 0.35 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: 84
CALCULATED SNOW DENSITY: 350.74 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: 90

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 4
D1: 4
D2: 5
D3: 1
D4: 5
D5: 2
HSdry: 32.5

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
2022-10-11 04:00:03OBSERVATION2023109060.0900841.1200650.605070000.350.35FF28.09008614.0900884350.7390628119 00.8403200991943516 44515232.5DRYL
2022-10-11 00:00:02FORECAST2023109041.3741.3741.3700.0010.0010.350.351FF9.37595.3783349.798064486100.244651153163061614415222.5DRYL
2022-10-10 12:00:01FORECAST2023109059.2444.4851.8600.02170.02170.350.3717FF27.24613.2483349.798064486100.820983006567551644515232.5DRYL
2022-10-10 08:00:02FORECAST2023109056.8645.3251.0900.02730.02730.350.3773FF24.86610.8683349.798064486100.759457884339321644515232.5DRYL
2022-10-10 04:00:13FORECAST2023109053.13-18.8817.12500.03060.03060.350.3806FF21.13607.1383349.798064486100.643709562475671634515230DRYL
2022-10-10 00:00:03FORECAST202310905945.452.200.040.040.350.39FF2760784350.739062811900.815268042053881644515232.5DRYL
2022-10-09 20:00:01FORECAST2023109061.8245.8453.8300.03820.03820.350.3882FF29.82615.8284350.739062811900.875302694892211654515235DRYL
2022-10-09 16:00:02FORECAST2023109056.6445.1650.900.0310.0310.350.381FF24.64610.6484350.739062811900.753242838016381644515232.5DRYL
2022-10-09 12:00:03FORECAST2023109056.5345.2250.87500.03130.03130.350.3813FF24.53610.5384350.739062811900.75010342141441644515232.5DRYL
2022-10-09 08:00:03FORECAST2023109056.3245.1750.74500.02730.02730.350.3773FF24.32610.3284350.739062811900.744051698429991644515232.5DRYL
2022-10-09 04:00:03FORECAST2023109061.0145.2253.11500.02330.02330.350.3733FF29.01618.0184350.739062811900.859649531213731654515235DRYL
2022-10-09 00:00:04FORECAST2023109061.0145.2853.14500.02520.02520.350.3752FF29.01603.0184350.739062811900.859649531213731654515235DRYL
2022-10-08 20:00:02FORECAST2023109061.0145.4953.2500.02510.02510.350.3751FF29.01620.0184350.739062811900.859649531213731654515235DRYL
2022-10-08 16:00:04FORECAST2023109061.0145.653.30500.02460.02460.350.3746FF29.01620.0184350.739062811900.859649531213731654515235DRYL
2022-10-08 12:00:04FORECAST2023109061.0146.2153.6100.02050.02050.350.3705FF29.01620.0184350.739062811900.859649531213731654515235DRYL
2022-10-08 08:00:01FORECAST2023109061.0145.7753.3900.02120.02120.350.3712FF29.01618.0184350.739062811900.859649531213731654515235DRYL
2022-10-08 04:00:10FORECAST2023109061.0145.8353.4200.02120.02120.350.3712FF29.01614.0184350.739062811900.859649531213731654515235DRYL
2022-10-08 00:00:03FORECAST2023109061.0148.1354.5700.0190.0190.350.369FF29.01605.0184350.739062811900.859649531213731654515235DRYL
2022-10-07 20:00:02FORECAST2023109061.0148.5154.7600.01920.01920.350.3692FF29.01618.0184350.739062811900.859649531213731654515235DRYL
2022-10-07 16:00:04FORECAST2023109061.0146.5453.77500.02550.02550.350.3755FF29.01618.0184350.739062811900.859649531213731654515235DRYL
2022-10-07 12:00:04FORECAST2023109061.2246.2653.7400.02530.02530.350.3753FF29.22618.2284350.739062811900.863830012694371654515235DRYL
2022-10-07 08:00:04FORECAST2023109061.0147.0854.04500.0350.0350.350.385FF29.01618.0184350.739062811900.859649531213731654515235DRYL
2022-10-07 04:00:10FORECAST2023109061.0147.0854.04500.05210.05210.350.4021FF29.01618.0184350.739062811900.859649531213731654515235DRYL
2022-10-07 00:00:08FORECAST2023109060.0338.5449.28500.05610.05610.350.4061FF28.03601.0384350.739062811900.838999954618231644515232.5DRYL
2022-10-06 20:00:08FORECAST2023109060.5247.1553.83500.05630.05630.350.4063FF28.52614.5284350.739062811900.849560054969071654515235DRYL
2022-10-06 16:00:04FORECAST2023109061.08-5.227.9400.03320.03320.350.3832FF29.08611.0884350.739062811900.861052574556231654515235DRYL
2022-10-06 12:00:04FORECAST2023109061.08-5.227.9400.03320.03320.350.3832FF29.08615.0884350.739062811900.861052574556231654515235DRYL
2022-10-06 08:00:06FORECAST2023109060.96-27.316.8300.03330.03330.350.3833FF28.96610.9684350.739062811900.858641503536541654515235DRYL
2022-10-06 04:00:05FORECAST2023109060.9647.7654.3600.03330.03330.350.3833FF28.96613.9684350.739062811900.858641503536541654515235DRYL
2022-10-06 00:00:06FORECAST2023109060.9636.3148.63500.19550.19550.350.5455FF28.96602.9684350.739062811900.858641503536541654525270DRYH
2022-10-05 20:00:05FORECAST2023109060.9628.5844.7700.28380.28380.350.6338FF28.96610.9684350.739062811900.858641503536541654525270DRYH
2022-10-05 16:00:04FORECAST2023109058.2-19.9719.11500.14680.14680.350.4968FF26.2612.284350.739062811900.795414130157711644525265DRYH
2022-10-05 12:00:04FORECAST2023109068.5255.5462.030000.350.35FF36.52618.5284350.739062811900.96055463622661654515170DRYH
2022-10-05 08:00:04FORECAST2023109068.5255.5462.030000.350.35FF36.52621.5284350.739062811900.96055463622661654515170DRYH
2022-10-05 04:00:12FORECAST2023109068.5255.5462.030000.350.35FF36.52621.5284350.739062811900.96055463622661654515170DRYH
2022-10-05 00:00:05FORECAST2023109068.0255.2161.6150000.350.35FF36.02607.0284350.739062811900.956544272726671654515170DRYH
2022-10-04 20:00:02FORECAST2023109065.7951.1658.47500.01890.01890.350.3689FF33.79616.7984350.739062811900.934514985745041654515235DRYL
2022-10-04 16:00:04FORECAST2023109064.0551.2757.6600.01890.01890.350.3689FF32.05613.0584350.739062811900.91198908271951654515235DRYL
2022-10-04 12:00:04FORECAST2023109065.8353.7959.810000.350.35FF33.83613.8384350.739062811900.934974718097121654515235DRYL
2022-10-04 08:00:07FORECAST2023109067.9955.9561.970000.350.35FF35.99613.9984350.739062811900.95629358043061654515235DRYL
2022-10-04 04:00:15FORECAST2023109067.9355.9261.9250000.350.35FF35.93616.9384350.739062811900.955788706699941654515235DRYL
2022-10-04 00:00:05FORECAST2023109065.2952.8159.050000.350.35FF33.29598.2984350.739062811900.928554278708681654415232.5DRYL
2022-10-03 20:00:06FORECAST2023109066.2754.2860.2750000.350.35FF34.27616.2784350.739062811900.939868429869791654515235DRYL
2022-10-03 16:00:08FORECAST2023109066.2254.2860.250000.350.35FF34.22615.2284350.739062811900.939327239037651654515235DRYL
2022-10-03 12:00:05FORECAST2023109058.6151.7555.180000.350.35FF26.61599.6184350.739062811900.805743007162031644515232.5DRYL
2022-10-03 08:00:06FORECAST2023109055.0151.953.4550000.350.35FF23.01592.0184350.739062811900.704649331606791644415230DRYL
2022-10-03 04:00:11FORECAST2023109055.0352.8953.960000.350.35FF23.03599.0384350.739062811900.705271290073311644515232.5DRYL