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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Monday, August 29, 2022

[ Sunday, August 28, 2022 | Index | Today | Tuesday, August 30, 2022 ]

DAY 333 OF WATER YEAR 2022, FORECAST LAST UPDATED 08/30/2022 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:
H
HIGH

MODEL USED FOR HAZARD CLASS DETERMINATION:

DRY

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 73.90°F
MINIMUM TEMPERATURE (Tmin): 52.81°F
AVERAGE TEMPERATURE (Tavg): 63.36°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.892
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: 42
18-DAY CUMULATIVE DD32: 658

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): 0.02 in
18-DAY TOTAL (P18): 0.02 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: 240
CALCULATED SNOW DENSITY: 461.28 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: 48

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 5
D1: 3
D2: 5
D3: 1
D4: 5
D5: 1
HSdry: 65.0

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
2022-08-30 04:00:05OBSERVATION20223334873.9000452.8099863.355010000.020.02FF41.90004657.90004240461.27503476881 00.8918174579949416 53515165DRYH
2022-08-30 00:00:02FORECAST20223334862.962.962.90000.020.02FF30.9646.9241461.7932244527400.548484375570531633515227.5DRYL
2022-08-29 12:00:02FORECAST20223334871.3562.0566.70000.020.02FF39.35655.35241461.7932244527400.835894882025521643515160DRYH
2022-08-29 08:00:01FORECAST20223334871.3456.9464.1400.00090.00090.020.0209FF39.34655.34241461.7932244527400.835644078654811643515160DRYH
2022-08-29 04:00:06FORECAST20223334871.6353.9662.7950000.020.02FF39.63655.63241461.7932244527400.842816759422441643515160DRYH
2022-08-29 00:00:03FORECAST20223334870.4753.0661.7650000.020.02FF38.47645.47240461.2750347688100.812878437642541643515160DRYH
2022-08-28 20:00:02FORECAST20223334870.4152.8461.6250000.020.02FF38.41652.41240461.2750347688100.811239777678891643515160DRYH
2022-08-28 16:00:01FORECAST20223334870.252.9361.5650000.020.02FF38.2652.2240461.2750347688100.805435300150291643515160DRYH
2022-08-28 12:00:03FORECAST20223334870.2754.362.2850000.020.02FF38.27652.27240461.2750347688100.807382059274051643515160DRYH
2022-08-28 08:00:02FORECAST20223334870.6854.0862.38000.020.020.04FF38.68653.68240461.2750347688100.818544305359881643515160DRYH
2022-08-28 04:00:06FORECAST20223334870.6854.0562.3650000.020.02FF38.68653.68240461.2750347688100.818544305359881643515160DRYH
2022-08-28 00:00:03FORECAST20223334870.2953.9762.130000.020.02FF38.29647.29240461.2750347688100.807936086812451643515160DRYH
2022-08-27 20:00:03FORECAST20223334870.0553.6961.87000.020.020.04FF38.05653.05240461.2750347688100.801223632609591643515160DRYH
2022-08-27 16:00:03FORECAST20223334870.4753.8462.155000.020.020.04FF38.47653.47240461.2750347688100.812878437642541643515160DRYH
2022-08-27 12:00:05FORECAST20223334870.3752.1961.28000.020.020.04FF38.37653.37240461.2750347688100.810142450806411643515160DRYH
2022-08-27 08:00:03FORECAST20223334871.0852.2661.67000.010.020.03FF39.08650.08240461.2750347688100.829036280213181643515160DRYH
2022-08-27 04:00:07FORECAST20223334871.1553.8362.49000.020.020.04FF39.15654.15240461.2750347688100.830831760899361643515160DRYH
2022-08-27 00:00:03FORECAST20223334871.2453.8262.53000.030.020.05FF39.24640.24240461.2750347688100.83312242151141643515160DRYH
2022-08-26 20:00:04FORECAST20223334872.9453.7363.335000.050.030.08FF40.94648.94240461.2750347688100.872626644232781653515165DRYH
2022-08-26 16:00:03FORECAST20223334872.3353.4662.895000.120.030.15FF40.33651.33240461.2750347688100.8592718702321316535251130DRYVH
2022-08-26 12:00:05FORECAST20223334868.6453.6361.135000.120.030.15FF36.64646.64240461.2750347688100.7590230688207916435251120DRYVH
2022-08-26 08:00:04FORECAST20223334870.9551.9961.47000.080.040.12FF38.95646.95240461.2750347688100.825669681765271643515160DRYH
2022-08-26 04:00:08FORECAST20223334870.9551.9361.44000.080.030.11FF38.95646.95240461.2750347688100.825669681765271643515160DRYH
2022-08-26 00:00:04FORECAST20223334872.1350.9861.555000.070.040.11FF40.13631.13240461.2750347688100.854694076195221653515165DRYH
2022-08-25 20:00:04FORECAST20223334872.0951.5461.815000.080.050.13FF40.09644.09240461.2750347688100.853766662236811653515165DRYH
2022-08-25 16:00:04FORECAST20223334872.1852.5762.375000.090.050.14FF40.18648.18240461.2750347688100.855847783233931653515165DRYH
2022-08-25 12:00:03FORECAST20223334872.2152.6462.425000.10.050.15FF40.21649.21240461.2750347688100.8565370432488316535251130DRYVH
2022-08-25 08:00:16FORECAST20223334870.152.6261.36000.090.050.14FF38.1643.1240461.2750347688100.802633577763991643515160DRYH
2022-08-25 04:00:05FORECAST20223334871.8652.6262.24000.10.050.15FF39.86648.86240461.2750347688100.8483572194439916435251120DRYVH
2022-08-25 00:00:04FORECAST20223334871.0151.8361.42000.070.060.13FF39.01635.01240461.2750347688100.82722868465781643515160DRYH
2022-08-24 20:00:03FORECAST20223334871.0149.8960.45000.050.070.12FF39.01649.01240461.2750347688100.82722868465781643515160DRYH
2022-08-24 16:00:04FORECAST20223334870.5152.7161.61000.050.070.12FF38.51648.51240461.2750347688100.813965985074241643515160DRYH
2022-08-24 12:00:04FORECAST20223334872.5853.3662.97000.050.090.14FF40.58653.58240461.2750347688100.864855498161261653515165DRYH
2022-08-24 08:00:04FORECAST20223334872.5853.3162.945000.040.120.16FF40.58645.58240461.2750347688100.864855498161261653515165DRYH
2022-08-24 04:00:08FORECAST20223334872.8953.5463.215000.030.120.15FF40.89647.89240461.2750347688100.871566249217231653515165DRYH
2022-08-24 00:00:04FORECAST20223334873.655.3164.455000.040.110.15FF41.6643.6240461.2750347688100.886056780551831653515165DRYH
2022-08-23 20:00:08FORECAST20223334873.255.4264.31000.030.080.11FF41.2662.2240461.2750347688100.878042771635911653515165DRYH
2022-08-23 16:00:03FORECAST20223334873.255.4264.31000.030.090.12FF41.2661.2240461.2750347688100.878042771635911653515165DRYH
2022-08-23 12:00:04FORECAST20223334872.995362.995000.050.060.11FF40.99646.99240461.2750347688100.873680952839751653515165DRYH
2022-08-23 08:00:04FORECAST20223334872.9152.9362.92000.050.070.12FF40.91642.91240461.2750347688100.871991138096271653515165DRYH
2022-08-23 04:00:10FORECAST20223334872.4252.562.46000.050.050.1FF40.42643.42240461.2750347688100.861299692590571653515165DRYH
2022-08-23 00:00:04FORECAST20223334874.2552.7163.48000.010.110.12FF42.25643.25240461.2750347688100.898268918784691653515165DRYH
2022-08-22 20:00:05FORECAST20223334873.9753.3663.6650000.110.11FF41.97658.97240461.2750347688100.893130087337711653515165DRYH
2022-08-22 16:00:04FORECAST20223334872.6453.4363.0350000.120.12FF40.64657.64240461.2750347688100.866172715111621653515165DRYH
2022-08-22 12:00:04FORECAST20223334861.950.9356.415000.030.120.15FF29.9635.9240461.2750347688100.508202170915941633515227.5DRYL
2022-08-22 08:00:04FORECAST20223334852.6550.6851.665000.010.110.12FF20.65623.65240461.2750347688100.179752092637861613515222.5DRYL
2022-08-22 04:00:10FORECAST20223334851.7550.2150.98000.010.050.06FF19.75626.75240461.2750347688100.156843723006921613515222.5DRYL