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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Saturday, September 24, 2022

[ Friday, September 23, 2022 | Index | Today | Sunday, September 25, 2022 ]

DAY 359 OF WATER YEAR 2022, FORECAST LAST UPDATED 09/25/2022 04:00:09 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): 65.00°F
MINIMUM TEMPERATURE (Tmin): 42.02°F
AVERAGE TEMPERATURE (Tavg): 53.51°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.747
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: 33
18-DAY CUMULATIVE DD32: 479

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): 0.19 in
18-DAY TOTAL (P18): 0.19 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: 266
CALCULATED SNOW DENSITY: 474.13 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: 74

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: 3
D3: 1
D4: 5
D5: 2
HSdry: 27.5

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
2022-09-25 04:00:09OBSERVATION20223597464.9999442.0200653.510000.190.19FF32.99994478.99994266474.12818211957 00.7471052218082616 44315227.5DRYL
2022-09-25 00:00:02FORECAST20223597455.9355.9355.9300.0010.0010.190.191FF23.93469.93267474.5976225258600.478117862806591624315222.5DRYL
2022-09-24 12:00:02FORECAST20223597465.554.9460.2200.00040.00040.190.1904FF33.5479.5267474.5976225258600.759634194412231644315227.5DRYL
2022-09-24 08:00:01FORECAST20223597463.743.4253.5600.00410.00410.190.1941FF31.7477.7267474.5976225258600.712997880159661644315227.5DRYL
2022-09-24 04:00:06FORECAST20223597461.7541.9451.84500.00020.00020.190.1902FF29.75475.75267474.5976225258600.658107049511751634315225DRYL
2022-09-24 00:00:03FORECAST20223597463.1243.3353.22500.00030.00030.190.1903FF31.12465.12266474.1281821195700.697108263187161634315225DRYL
2022-09-23 20:00:01FORECAST20223597462.6245.7954.20500.00020.00020.190.1902FF30.62475.62266474.1281821195700.683102911746841634315225DRYL
2022-09-23 16:00:02FORECAST20223597462.3745.854.08500.00020.00020.190.1902FF30.37475.37266474.1281821195700.67599895146171634315225DRYL
2022-09-23 12:00:02FORECAST20223597461.8745.9653.91500.0010.0010.190.191FF29.87474.87266474.1281821195700.661599389703341634315225DRYL
2022-09-23 08:00:02FORECAST20223597461.9744.553.23500.0010.0010.190.191FF29.97474.97266474.1281821195700.664499114860091634315225DRYL
2022-09-23 04:00:08FORECAST20223597461.5945.9453.76500.00040.00040.190.1904FF29.59470.59266474.1281821195700.653429527606181634315225DRYL
2022-09-23 00:00:03FORECAST20223597461.9145.8753.8900.00050.02050.190.2105FF29.91463.91266474.1281821195700.662760441248181634315225DRYL
2022-09-22 20:00:03FORECAST20223597461.2945.1653.22500.00080.03080.190.2208FF29.29473.29266474.1281821195700.644596346615821634315225DRYL
2022-09-22 16:00:02FORECAST20223597461.7946.5554.1700.00080.02080.190.2108FF29.79473.79266474.1281821195700.659272684122071634315225DRYL
2022-09-22 12:00:04FORECAST20223597461.6546.2453.94500.00070.02070.190.2107FF29.65472.65266474.1281821195700.655186386152951634315225DRYL
2022-09-22 08:00:03FORECAST20223597461.6245.453.5100.00060.01060.190.2006FF29.62472.62266474.1281821195700.654308372036491634315225DRYL
2022-09-22 04:00:08FORECAST20223597461.4845.9953.73500.00080.01080.190.2008FF29.48471.48266474.1281821195700.65020006224981634315225DRYL
2022-09-22 00:00:04FORECAST20223597461.7244.9153.31500.00060.02060.190.2106FF29.72460.72266474.1281821195700.657231833268141634315225DRYL
2022-09-21 20:00:03FORECAST20223597463.2445.4854.3600.00060.00060.190.1906FF31.24478.24266474.1281821195700.700427918195111644315227.5DRYL
2022-09-21 16:00:04FORECAST20223597463.243.8453.5200.00070.01070.190.2007FF31.2478.2266474.1281821195700.699323197078391644315227.5DRYL
2022-09-21 12:00:04FORECAST20223597461.9544.4153.1800.00210.00210.190.1921FF29.95476.95266474.1281821195700.663919945751581634315225DRYL
2022-09-21 08:00:03FORECAST20223597461.9143.4452.67500.00240.00240.190.1924FF29.91477.91266474.1281821195700.662760441248181634315225DRYL
2022-09-21 04:00:12FORECAST20223597462.3243.9753.14500.00260.00260.190.1926FF30.32478.32266474.1281821195700.674570332248181634315225DRYL
2022-09-21 00:00:04FORECAST20223597462.2742.6452.45500.00110.00110.190.1911FF30.27463.27266474.1281821195700.673139145327471634315225DRYL
2022-09-20 20:00:03FORECAST20223597461.6742.6152.1400.00150.00150.190.1915FF29.67476.67266474.1281821195700.655771265543821634315225DRYL
2022-09-20 16:00:03FORECAST20223597461.2743.952.58500.00250.00250.190.1925FF29.27476.27266474.1281821195700.644004634878741634315225DRYL
2022-09-20 12:00:04FORECAST20223597460.7844.8952.83500.00850.00850.190.1985FF28.78475.78266474.1281821195700.629402526877481634315225DRYL
2022-09-20 08:00:05FORECAST20223597457.5543.9350.7400.00810.00810.190.1981FF25.55464.55266474.1281821195700.529403153070891634315225DRYL
2022-09-20 04:00:12FORECAST20223597460.8443.8452.3400.01540.01540.190.2054FF28.84473.84266474.1281821195700.631201079874371634315225DRYL
2022-09-20 00:00:15FORECAST20223597458.2240.5249.3700.010.020.190.21FF26.22458.22266474.1281821195700.550520191393611634315225DRYL
2022-09-19 20:00:14FORECAST20223597458.7241.8650.2900.00590.00590.190.1959FF26.72466.72266474.1281821195700.566189774300711634315225DRYL
2022-09-19 16:00:08FORECAST20223597458.642.0850.3400.00380.02380.20.2238FF26.6465.6266474.1281821195700.562437595651331634315225DRYL
2022-09-19 12:00:04FORECAST20223597461.0741.7151.3900.0030.0230.20.223FF29.07465.07266474.1281821195700.638068652280391634315225DRYL
2022-09-19 08:00:10FORECAST20223597461.542.2351.86500.00030.02030.210.2303FF29.5460.5266474.1281821195700.650788054498791634315225DRYL
2022-09-19 04:00:07FORECAST20223597461.442.7452.0700.00030.01030.220.2303FF29.4471.4266474.1281821195700.64784450321951634315225DRYL
2022-09-19 00:00:05FORECAST20223597459.2942.0550.67000.010.20.21FF27.29457.29266474.1281821195700.583925692584831634315225DRYL
2022-09-18 20:00:08FORECAST20223597460.7642.1751.4650000.20.2FF28.76473.76266474.1281821195700.628802378214221634315225DRYL
2022-09-18 16:00:04FORECAST20223597461.0944.0852.5850000.230.23FF29.09476.09266474.1281821195700.638663774574631634315225DRYL
2022-09-18 12:00:05FORECAST20223597461.744.2452.970000.160.16FF29.7475.7266474.1281821195700.656647886507151634315225DRYL
2022-09-18 08:00:03FORECAST20223597461.5444.2452.890000.170.17FF29.54473.54266474.1281821195700.651962953160521634315225DRYL
2022-09-18 04:00:09FORECAST20223597461.6343.952.7650000.190.19FF29.63481.63266474.1281821195700.654601135872761634315225DRYL
2022-09-18 00:00:05FORECAST20223597457.7540.6849.21500.09290.25290.240.4929FF25.75458.75266474.1281821195700.53571813649331634325250DRYMH
2022-09-17 20:00:08FORECAST20223597457.7140.6849.19500.09290.25290.290.5429FF25.71468.71266474.1281821195700.534455808071611634325250DRYMH
2022-09-17 16:00:04FORECAST20223597460.674251.335000.170.270.44FF28.67468.67266474.1281821195700.626097852225621634325250DRYMH
2022-09-17 12:00:05FORECAST20223597458.1147.8352.970000.270.27FF26.11478.11266474.1281821195700.5470614056881634315225DRYL
2022-09-17 08:00:05FORECAST20223597446.143.7544.9250000.220.22FF14.1455.1266474.1281821195700.201698994125121614315220DRYL
2022-09-17 04:00:11FORECAST20223597446.7445.2445.990000.190.19FF14.74460.74266474.1281821195700.216307032835691614315220DRYL