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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Tuesday, October 11, 2022

[ Monday, October 10, 2022 | Index | Today | Wednesday, October 12, 2022 ]

DAY 11 OF WATER YEAR 2023, FORECAST LAST UPDATED 10/12/2022 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:
L
LOW

MODEL USED FOR HAZARD CLASS DETERMINATION:

DRY

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 60.81°F
MINIMUM TEMPERATURE (Tmin): 37.91°F
AVERAGE TEMPERATURE (Tavg): 49.36°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.903
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: 29
18-DAY CUMULATIVE DD32: 620

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: 83
CALCULATED SNOW DENSITY: 349.80 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: 91

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 5
D1: 4
D2: 5
D3: 1
D4: 5
D5: 2
HSdry: 35.0

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
2022-10-12 04:00:07OBSERVATION2023119160.8100837.9099449.360010000.350.35FF28.81008619.8100883349.7980644861 00.9032660005924816 54515235DRYL
2022-10-12 00:00:01FORECAST2023119152.1952.1952.1900.00050.00050.350.3505FF20.19611.1982348.8534835640400.684428799374631634515230DRYL
2022-10-11 12:00:01FORECAST2023119163.0953.2258.1550000.350.35FF31.09622.0982348.8534835640400.935454994032331654515235DRYL
2022-10-11 08:00:02FORECAST2023119162.9241.1252.020000.350.35FF30.92621.9282348.8534835640400.933385367912191654515235DRYL
2022-10-11 04:00:04FORECAST2023119162.2938.550.39500.00130.00130.350.3513FF30.29621.2982348.8534835640400.925267200657281654515235DRYL
2022-10-11 00:00:05FORECAST2023119162.9141.095200.00110.00110.350.3511FF30.91602.9183349.798064486100.933262049304681654515235DRYL
2022-10-10 20:00:02FORECAST2023119162.8643.7353.29500.00030.02030.350.3703FF30.86620.8683349.798064486100.932642813834521654515235DRYL
2022-10-10 16:00:01FORECAST2023119162.742.6552.67500.00040.02040.350.3704FF30.7620.783349.798064486100.93063149576311654515235DRYL
2022-10-10 12:00:02FORECAST2023119162.4542.452.42500.00040.02040.350.3704FF30.45620.4583349.798064486100.927396943488821654515235DRYL
2022-10-10 08:00:03FORECAST2023119162.543.2952.89500.00030.03030.350.3803FF30.5618.583349.798064486100.928052897390161654515235DRYL
2022-10-10 04:00:15FORECAST2023119162.8143.5253.165000.030.350.38FF30.81614.8183349.798064486100.932019161680221654515235DRYL
2022-10-10 00:00:04FORECAST2023119162.8343.0652.94500.00030.04030.350.3903FF30.83614.8383349.798064486100.932269153644061654515235DRYL
2022-10-09 20:00:03FORECAST2023119163.1944.0853.63500.00040.04040.350.3904FF31.19624.1983349.798064486100.936648958619491654515235DRYL
2022-10-09 16:00:04FORECAST2023119162.6643.0452.85000.030.350.38FF30.66618.6683349.798064486100.930121533905271654515235DRYL
2022-10-09 12:00:03FORECAST2023119162.6243.3552.985000.030.350.38FF30.62618.6283349.798064486100.929608701745041654515235DRYL
2022-10-09 08:00:04FORECAST2023119162.8643.1653.0100.00050.03050.350.3805FF30.86617.8683349.798064486100.932642813834521654515235DRYL
2022-10-09 04:00:03FORECAST2023119163.1544.0553.600.00030.02030.350.3703FF31.15626.1583349.798064486100.936173445439621654515235DRYL
2022-10-09 00:00:04FORECAST2023119163.5244.4954.00500.00110.03110.350.3811FF31.52611.5283349.798064486100.940467737445541654515235DRYL
2022-10-08 20:00:02FORECAST2023119164.9244.9954.95500.00640.03640.350.3864FF32.92629.9283349.798064486100.95470576972171654515235DRYL
2022-10-08 16:00:06FORECAST2023119163.9944.9554.4700.01080.03080.350.3808FF31.99628.9983349.798064486100.945593292443551654515235DRYL
2022-10-08 12:00:05FORECAST2023119160.0643.4251.7400.01420.03420.350.3842FF28.06625.0683349.798064486100.890452905807011654515235DRYL
2022-10-08 08:00:02FORECAST2023119160.3444.6152.47500.00770.02770.350.3777FF28.34623.3483349.798064486100.895371087927121654515235DRYL
2022-10-08 04:00:10FORECAST2023119164.3144.3654.33500.00770.02770.350.3777FF32.31623.3183349.798064486100.948879289878231654515235DRYL
2022-10-08 00:00:03FORECAST2023119165.4746.0855.77500.00580.02580.350.3758FF33.47615.4783349.798064486100.959491007376831654515235DRYL
2022-10-07 20:00:02FORECAST2023119164.1846.3555.26500.02040.04040.350.3904FF32.18627.1883349.798064486100.947563857438531654515235DRYL
2022-10-07 16:00:05FORECAST202311916547.256.100.00640.03640.350.3864FF3362883349.798064486100.955428736203281654515235DRYL
2022-10-07 12:00:04FORECAST2023119164.9747.256.08500.00640.03640.350.3864FF32.97627.9783349.798064486100.955158717245591654515235DRYL
2022-10-07 08:00:04FORECAST2023119163.2747.2555.26000.040.350.39FF31.27626.2783349.798064486100.937591735031441654515235DRYL
2022-10-07 04:00:11FORECAST2023119163.2747.2555.26000.050.350.4FF31.27626.2783349.798064486100.937591735031441654515235DRYL
2022-10-07 00:00:09FORECAST2023119165.9744.455.185000.060.350.41FF33.97611.9783349.798064486100.963478136616391654515235DRYL
2022-10-06 20:00:09FORECAST2023119166.5746.756.635000.060.350.41FF34.57626.5783349.798064486100.967833904102911654515235DRYL
2022-10-06 16:00:05FORECAST2023119166.5447.3656.9500.00090.03090.350.3809FF34.54622.5483349.798064486100.967626762651651654515235DRYL
2022-10-06 12:00:05FORECAST2023119159.7145.8552.7800.00160.03160.350.3816FF27.71619.7183349.798064486100.884075323015071654515235DRYL
2022-10-06 08:00:07FORECAST2023119159.845.4752.63500.00210.03210.350.3821FF27.8615.883349.798064486100.885739831681971654515235DRYL
2022-10-06 04:00:05FORECAST2023119159.3445.4852.4100.00210.03210.350.3821FF27.34618.3483349.798064486100.877052252732411654515235DRYL
2022-10-06 00:00:07FORECAST2023119146.7733.6540.2100.140.340.350.69FF14.77594.7783349.798064486100.485916332258231624425250DRYMH
2022-10-05 20:00:05FORECAST2023119144.0231.9337.97500.15730.43730.350.7873FF12.02600.0283349.798064486100.383299487856131624525255DRYH
2022-10-05 16:00:04FORECAST2023119154.444.1249.2600.01770.16770.350.5177FF22.4611.483349.798064486100.754999281866811644525265DRYH
2022-10-05 12:00:04FORECAST2023119198.95-135.49-18.270000.350.35FF66.95662.9583349.798064486100.999999607896181654515170DRYH
2022-10-05 08:00:04FORECAST2023119198.95-135.49-18.270000.350.35FF66.95665.9583349.798064486100.999999607896181654515170DRYH
2022-10-05 04:00:12FORECAST2023119198.95-135.49-18.270000.350.35FF66.95665.9583349.798064486100.999999607896181654515170DRYH
2022-10-05 00:00:05FORECAST2023119166.551.6959.0950000.350.35FF34.5618.583349.798064486100.967348868021961654515235DRYL
2022-10-04 20:00:02FORECAST2023119161.647.9854.7900.01150.03150.350.3815FF29.6623.683349.798064486100.915535683774171654515235DRYL
2022-10-04 16:00:05FORECAST2023119161.4148.3354.8700.01150.03150.350.3815FF29.41619.4183349.798064486100.912696464842641654515235DRYL
2022-10-04 12:00:04FORECAST2023119160.6954.0657.3750000.350.35FF28.69619.6983349.798064486100.901292020732611654515235DRYL
2022-10-04 08:00:08FORECAST2023119159.0957.2358.160000.350.35FF27.09618.0983349.798064486100.872141750553071654515235DRYL
2022-10-04 04:00:15FORECAST2023119159.1158.4858.7950000.350.35FF27.11621.1183349.798064486100.872539520016421654515235DRYL