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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Friday, July 8, 2022

[ Thursday, July 7, 2022 | Index | Today | Saturday, July 9, 2022 ]

DAY 281 OF WATER YEAR 2022, FORECAST LAST UPDATED 07/09/2022 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:
L
LOW

MODEL USED FOR HAZARD CLASS DETERMINATION:

DRY

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 58.79°F
MINIMUM TEMPERATURE (Tmin): 43.48°F
AVERAGE TEMPERATURE (Tavg): 51.13°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.364
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: 27
18-DAY CUMULATIVE DD32: 496

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): 0.19 in
DAY 4-15 (P15): 0.19 in
18-DAY TOTAL (P18): 0.38 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: 54 in
SWE DAY: 188
CALCULATED SNOW DENSITY: 452.68 kg/m3
CALCULATED SWE: 24.34 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: -4

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 2
D1: 1
D2: 3
D3: 2
D4: 1
D5: 2
HSdry: 6.0

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
2022-07-09 04:00:05OBSERVATION2022281-458.7899443.4800451.1349953.77613916666700.190.190.38FF26.78994495.78994188452.68022297385 24.343394668640.3636220446227216 2132126DRYL
2022-07-09 00:00:01FORECAST2022281-345.8145.8145.8156.9245053333330.00040.19040.190.3804FF13.81482.81189454.3832937238225.8655442269590.031788051268336161132125DRYL
2022-07-08 12:00:01FORECAST2022281-356.950.7353.81557.4559946666670.02150.21150.190.4015FF24.9493.9189454.5769081066526.1181684077660.28508478725803162132126DRYL
2022-07-08 08:00:01FORECAST2022281-357.0745.9851.52557.0792320.02380.21380.190.4038FF25.07494.07189454.4396855303325.9390682403930.29181120944261162132126DRYL
2022-07-08 04:00:06FORECAST2022281-357.3946.2851.83556.8267525217390.02280.21280.190.4028FF25.39494.39189454.3476552292825.8191017625470.30466910847276162132126DRYL
2022-07-08 00:00:02FORECAST2022281-457.8748.4853.17556.294820.02460.21460.190.4046FF25.87484.87188453.6062937333125.5356846565840.32441246869458162132126DRYL
2022-07-07 20:00:02FORECAST2022281-458.0947.5652.82557.4050826666670.0240.2640.190.454FF26.09494.09188454.0126384486826.0626330418580.33363359044673162132126DRYL
2022-07-07 16:00:02FORECAST2022281-457.3349.1653.24557.3652853333330.01080.25080.190.4408FF25.33493.33188453.9980928269626.0437301358080.30223913987433162132126DRYL
2022-07-07 12:00:02FORECAST2022281-457.3349.3753.3555.8658333333330.01190.25190.190.4419FF25.33493.33188453.4489818500925.3323052452070.30223913987433162132126DRYL
2022-07-07 08:00:02FORECAST2022281-457.8949.5553.7255.4538653333330.01140.26140.190.4514FF25.89493.89188453.2977493786625.1371123499470.32524642869923162132126DRYL
2022-07-07 04:00:06FORECAST2022281-458.0249.9153.96555.4196197575760.0110.2710.190.461FF26.02496.02188453.2851707837925.1208918065850.33068834973033162132126DRYL
2022-07-07 00:00:03FORECAST2022281-457.7650.1453.9555.5694680.01570.10570.190.2957FF25.76487.76188453.3402028162125.1918738935090.31984149646137162132126DRYL
2022-07-06 20:00:02FORECAST2022281-458.249.653.957.6573173333330.00630.18630.190.3763FF26.2498.2188454.1047941114926.1824642166740.33828253775035162132126DRYL
2022-07-06 16:00:02FORECAST2022281-458.3749.7654.06557.62080.00560.19560.190.3856FF26.37498.37188454.0914559085526.1651129626150.34551577057799162132126DRYL
2022-07-06 12:00:03FORECAST2022281-458.2749.3853.82556.119380.00360.19360.190.3836FF26.27497.27188453.5419795895425.4524946985380.34125389501335162132126DRYL
2022-07-06 08:00:02FORECAST2022281-457.6749.2353.4555.7777680.00660.24660.190.4366FF25.67496.67188453.4166665732425.2905696354560.31612179617717162132126DRYL
2022-07-06 04:00:06FORECAST2022281-457.8449.4753.65555.1019115652170.00610.27610.190.4661FF25.84495.84188453.1684225808724.97044634520.32316317804433162132126DRYL
2022-07-06 00:00:03FORECAST2022281-458.0449.1753.60553.8660373333330.00890.39890.170.5689FF26.04488.04188452.7133788672424.3858757673620.33152878874812162132126DRYL
2022-07-05 20:00:03FORECAST2022281-458.8649.0153.93555.9487480.00790.28790.30.5879FF26.86499.86188453.4794005012125.3716047018330.36667395041203162142127DRYL
2022-07-05 16:00:03FORECAST2022281-459.6349.2554.4455.8990560.01570.42570.30.7257FF27.63500.63188453.4611709177725.3480513869580.4007329140152162142127DRYL
2022-07-05 12:00:03FORECAST2022281-460.4949.154.79554.1577586666670.01960.33960.30.6396FF28.49501.49188452.8209182686124.523766010810.43967344281221162142127DRYL
2022-07-05 08:00:04FORECAST2022281-456.7749.2853.02553.7856973333330.02710.41710.250.6671FF24.77496.77188452.6837485395324.3479110866660.27999138978696162132126DRYL
2022-07-05 04:00:06FORECAST2022281-458.8349.0853.95553.6998823768120.03060.44060.250.6906FF26.83497.83188452.6520923047924.3073641143850.36536606626524162132126DRYL
2022-07-05 00:00:03FORECAST2022281-458.548.3753.43554.1452773333330.01450.35450.260.6145FF26.5487.5188452.8163188135424.5178651632180.35108553169109162132126DRYL
2022-07-04 20:00:03FORECAST2022281-460.248.8954.54554.8554893333330.00770.24770.30.5477FF28.2507.2188453.0778049255124.8538046952610.42645718712052162142127DRYL
2022-07-04 16:00:03FORECAST2022281-460.1849.5654.8754.8541773333330.00740.26740.280.5474FF28.18506.18188453.0773223076424.8531837835750.42554858199282162142127DRYL
2022-07-04 12:00:04FORECAST2022281-457.5749.0453.30553.8156746666670.01270.25270.290.5427FF25.57505.57188452.6948052363624.362076361890.31201051178931162142127DRYL
2022-07-04 08:00:03FORECAST2022281-454.7849.151.9453.6685120.01120.21120.320.5312FF22.78497.78188452.6405183804324.2925430923860.20796322856187161132125DRYL
2022-07-04 04:00:07FORECAST2022281-454.848.4651.6353.3379648333330.01220.24220.340.5822FF22.8501.8188452.5185087889924.1364163082190.20862817900863161142126DRYL
2022-07-04 00:00:04FORECAST2022281-458.4448.9753.70554.6569053333330.02180.26180.20.4618FF26.44502.44188453.0047376975824.7598370638880.34851081138687162142127DRYL
2022-07-03 20:00:04FORECAST2022281-458.4448.9953.71555.5600360.02160.28160.240.5216FF26.44512.44188453.3367395151925.1874055675860.34851081138687162142127DRYL
2022-07-03 16:00:03FORECAST2022281-459.2149.4754.3455.6108760.02010.24010.310.5501FF27.21510.21188453.3554062841625.2114912827980.3820433565943162142127DRYL
2022-07-03 12:00:04FORECAST2022281-456.6249.0252.8254.9572266666670.02080.22080.280.5008FF24.62501.62188453.1152240033124.9019560716670.27416970888847162142127DRYL
2022-07-03 08:00:03FORECAST2022281-456.5849.152.8454.6308666666670.02080.23080.350.5808FF24.58503.58188452.995154266924.7475178734010.27262740802177162142127DRYL
2022-07-03 04:00:08FORECAST2022281-458.3350.4554.3953.7266671666670.01530.20530.320.5253FF26.33507.33188452.6619736727524.3200191985220.34380863390021162142127DRYL
2022-07-03 00:00:04FORECAST2022281-459.7249.654.6654.8154413333330.04380.13380.410.5438FF27.72507.72188453.0630725844824.8348522755540.40476916874874162142127DRYL
2022-07-02 20:00:04FORECAST2022281-459.6549.654.62556.4391706666670.04380.13380.40.5338FF27.65531.65188453.6591894230525.6041484163490.40162896068754162142127DRYL
2022-07-02 16:00:04FORECAST2022281-460.5951.3355.9656.4810453333330.04470.19470.580.7747FF28.59528.59188453.6745302982825.6240117123560.44424718193189162142127DRYL
2022-07-02 12:00:04FORECAST2022281-463.5653.758.6353.9405760.00080.06080.560.6208FF31.56541.56188452.7408641888724.4211029930850.58080032707805163141124DRYL
2022-07-02 08:00:04FORECAST2022281-463.6753.7258.69553.6801440.00080.06080.540.6008FF31.67536.67188452.6448100490924.2980385842880.58577412679437163141124DRYL
2022-07-02 04:00:08FORECAST2022281-460.3351.4755.953.6272064166670.00190.06190.360.4219FF28.33528.33188452.6252775107724.2730291864710.43237242627229162141123.5DRYL
2022-07-02 00:00:04FORECAST2022281-463.952.8158.35555.1328213333330.00050.03050.750.7805FF31.9516.9188453.1797851283524.985080125360.59612866897664163141124DRYL
2022-07-01 20:00:04FORECAST2022281-464.0752.7158.3957.8458386666670.00040.05040.660.7104FF32.07533.07188454.17363312726.2720547085190.60373940116362163141124DRYL
2022-07-01 16:00:04FORECAST2022281-464.0552.7158.3858.3839773333330.00040.05040.670.7204FF32.05535.05188454.3699545005226.5279251245060.60284600884251163141124DRYL
2022-07-01 12:00:02FORECAST2022281-45851.1954.59557.90072400.070.560.63FF26526188454.1936684430926.2981422390710.329848762852162141123.5DRYL
2022-07-01 08:00:04FORECAST2022281-455.8554.355.07557.6553800.030.610.64FF23.85518.85188454.1040865184726.1815436677750.24525805837315161141123DRYL
2022-07-01 04:00:06FORECAST2022281-455.2254.9255.0757.14694908333300.030.570.6FF23.22526.22188453.9182664271225.9400440595060.22287870131944161141123DRYL