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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Tuesday, August 16, 2022

[ Monday, August 15, 2022 | Index | Today | Wednesday, August 17, 2022 ]

DAY 320 OF WATER YEAR 2022, FORECAST LAST UPDATED 08/17/2022 04:00:06 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): 70.90°F
MINIMUM TEMPERATURE (Tmin): 52.51°F
AVERAGE TEMPERATURE (Tavg): 61.70°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.787
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: 39
18-DAY CUMULATIVE DD32: 685

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: 227
CALCULATED SNOW DENSITY: 454.36 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: 35

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
2022-08-17 04:00:06OBSERVATION20223203570.8999852.5099261.7049500000FF38.89998684.89998227454.35627508706 00.7867729430478616 43515160DRYH
2022-08-17 00:00:01FORECAST20223203562.6462.6462.6400.00630.006300.0063FF30.64676.64228454.9007061675400.502829863701851633515227.5DRYL
2022-08-16 12:00:01FORECAST20223203568.2361.4164.8200000FF36.23682.23228454.9007061675400.705564063627611643515160DRYH
2022-08-16 08:00:01FORECAST20223203567.9854.3461.1600000FF35.98681.98228454.9007061675400.697287925746931633515227.5DRYL
2022-08-16 04:00:07FORECAST20223203569.2552.2760.7600000FF37.25683.25228454.9007061675400.738199791037251643515160DRYH
2022-08-16 00:00:03FORECAST20223203568.8853.5961.23500000FF36.88666.88227454.3562750870600.726578385310081643515160DRYH
2022-08-15 20:00:01FORECAST20223203569.5652.9461.2500000FF37.56681.56227454.3562750870600.747738032310661643515160DRYH
2022-08-15 16:00:01FORECAST20223203571.2553.9362.5900.00020.000200.0002FF39.25683.25227454.3562750870600.796358117590361643515160DRYH
2022-08-15 12:00:03FORECAST20223203571.445462.7200.00020.000200.0002FF39.44683.44227454.3562750870600.801452035053631643515160DRYH
2022-08-15 08:00:02FORECAST20223203570.353.8562.07500000FF38.3680.3227454.3562750870600.769745948338231643515160DRYH
2022-08-15 04:00:07FORECAST20223203570.3954.0462.21500000FF38.39679.39227454.3562750870600.772347470745331643515160DRYH
2022-08-15 00:00:03FORECAST20223203569.6554.4762.0600.00020.000200.0002FF37.65667.65227454.3562750870600.750472525440121643515160DRYH
2022-08-14 20:00:03FORECAST20223203569.7153.7461.72500000FF37.71676.71227454.3562750870600.75228674607381643515160DRYH
2022-08-14 16:00:02FORECAST20223203569.2653.8861.5700.00020.000200.0002FF37.26676.26227454.3562750870600.738510334669771643515160DRYH
2022-08-14 12:00:03FORECAST20223203569.0953.7361.4100.00020.000200.0002FF37.09676.09227454.3562750870600.733205529027411643515160DRYH
2022-08-14 08:00:03FORECAST20223203568.3753.2460.80500000FF36.37672.37227454.3562750870600.710152649570691643515160DRYH
2022-08-14 04:00:08FORECAST20223203568.2353.1160.6700000FF36.23673.23227454.3562750870600.705564063627611643515160DRYH
2022-08-14 00:00:04FORECAST20223203568.4153.3860.89500000FF36.41661.41227454.3562750870600.711457492704641643515160DRYH
2022-08-13 20:00:03FORECAST20223203571.3453.6162.4750000.010.01FF39.34673.34227454.3562750870600.798780652723841643515160DRYH
2022-08-13 16:00:03FORECAST20223203571.2654.4562.8550000.010.01FF39.26673.26227454.3562750870600.796628142113761643515160DRYH
2022-08-13 12:00:03FORECAST20223203573.0554.863.9250000.010.01FF41.05673.05227454.3562750870600.841471813773821643515160DRYH
2022-08-13 08:00:03FORECAST20223203570.7955.262.9950000.010.01FF38.79673.79227454.3562750870600.783707812785181643515160DRYH
2022-08-13 04:00:07FORECAST20223203573.0955.2864.1850000.010.01FF41.09677.09227454.3562750870600.842393768179061643515160DRYH
2022-08-13 00:00:04FORECAST20223203573.8856.4165.1450000.010.01FF41.88661.88227454.3562750870600.859881706538611653515165DRYH
2022-08-12 20:00:03FORECAST20223203575.0354.7464.8850000.020.02FF43.03681.03227454.3562750870600.882906535010491653515165DRYH
2022-08-12 16:00:03FORECAST20223203575.0355.7965.410000.010.01FF43.03680.03227454.3562750870600.882906535010491653515165DRYH
2022-08-12 12:00:03FORECAST20223203574.7355.0664.8950000.010.01FF42.73679.73227454.3562750870600.877175147263241653515165DRYH
2022-08-12 08:00:03FORECAST20223203574.7255.0664.890000.030.03FF42.72674.72227454.3562750870600.876980781024451653515165DRYH
2022-08-12 04:00:08FORECAST20223203576.0755.4965.780000.020.02FF44.07682.07227454.3562750870600.901305739129951653515165DRYH
2022-08-12 00:00:04FORECAST20223203575.6555.6265.6350000.020.02FF43.65665.65227454.3562750870600.894146706381091653515165DRYH
2022-08-11 20:00:04FORECAST20223203575.5955.5965.590000.040.04FF43.59680.59227454.3562750870600.893094200166261653515165DRYH
2022-08-11 16:00:03FORECAST20223203576.555.9866.240000.030.03FF44.5682.5227454.3562750870600.908262499580241653515165DRYH
2022-08-11 12:00:04FORECAST2022320357656.6566.3250000.020.02FF44679227454.3562750870600.900137751992961653515165DRYH
2022-08-11 08:00:04FORECAST20223203575.9656.5666.260000.020.02FF43.96673.96227454.3562750870600.899465829329041653515165DRYH
2022-08-11 04:00:08FORECAST20223203573.5857.3965.4850000.010.01FF41.58678.58227454.3562750870600.85340210670041653515165DRYH
2022-08-11 00:00:05FORECAST20223203575.8456.4366.1350000.040.04FF43.84668.84227454.3562750870600.897430347926981653515165DRYH
2022-08-10 20:00:04FORECAST20223203575.3956.3965.890000.060.06FF43.39684.39227454.3562750870600.889531542400611653515165DRYH
2022-08-10 16:00:04FORECAST20223203575.2956.3665.8250000.060.06FF43.29686.29227454.3562750870600.887718734900051653515165DRYH
2022-08-10 12:00:04FORECAST20223203574.956.2365.5650000.020.02FF42.9684.9227454.3562750870600.880446559371941653515165DRYH
2022-08-10 08:00:05FORECAST20223203574.7856.2165.4950000.040.04FF42.78675.78227454.3562750870600.878143757672781653515165DRYH
2022-08-10 04:00:09FORECAST20223203573.9355.5764.750000.040.04FF41.93675.93227454.3562750870600.860942480113381653515165DRYH
2022-08-10 00:00:05FORECAST20223203575.455.7265.560000.110.11FF43.4671.4227454.3562750870600.889711666101971653515165DRYH
2022-08-09 20:00:03FORECAST20223203575.2555.6265.4350000.130.13FF43.25681.25227454.3562750870600.886987710425691653515165DRYH
2022-08-09 16:00:04FORECAST20223203573.8156.4265.1150000.140.14FF41.81678.81227454.3562750870600.858387436027771653515165DRYH
2022-08-09 12:00:05FORECAST20223203568.8955.7962.340000.120.12FF36.89678.89227454.3562750870600.726895800111381643515160DRYH
2022-08-09 08:00:04FORECAST20223203558.1556.0557.10000.120.12FF26.15663.15227454.3562750870600.33675991854461623515225DRYL
2022-08-09 04:00:10FORECAST20223203557.2756.0556.660000.150.15FF25.27668.27227454.3562750870600.306677253979081623515225DRYL