MOUNT RAINIER
GEOLOGY & WEATHER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Sunday, August 14, 2022

[ Saturday, August 13, 2022 | Index | Today | Monday, August 15, 2022 ]

DAY 318 OF WATER YEAR 2022, FORECAST LAST UPDATED 08/15/2022 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:
L
LOW

MODEL USED FOR HAZARD CLASS DETERMINATION:

DRY

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 65.55°F
MINIMUM TEMPERATURE (Tmin): 47.01°F
AVERAGE TEMPERATURE (Tavg): 56.28°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.535
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: 34
18-DAY CUMULATIVE DD32: 708

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: 225
CALCULATED SNOW DENSITY: 453.26 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: 33

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 3
D1: 2
D2: 5
D3: 1
D4: 5
D5: 2
HSdry: 25.0

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
2022-08-15 04:00:06OBSERVATION20223183365.5500247.0100256.2800200000FF33.55002707.55002225453.26118671292 00.5350362835374316 32515225DRYL
2022-08-15 00:00:02FORECAST20223183354.0654.0654.0600000FF22.06696.06226453.8097712326900.169181898164261612515220DRYL
2022-08-14 12:00:01FORECAST20223183364.1753.2458.70500.00390.003900.0039FF32.17706.17226453.8097712326900.485003502546611622515222.5DRYL
2022-08-14 08:00:01FORECAST20223183361.952.6457.2700.00430.004300.0043FF29.9703.9226453.8097712326900.40357912367321622515222.5DRYL
2022-08-14 04:00:07FORECAST20223183362.7847.5455.1600.00060.000600.0006FF30.78704.78226453.8097712326900.43484864237771622515222.5DRYL
2022-08-14 00:00:03FORECAST20223183362.3446.1254.2300000FF30.34693.34225453.2611867129200.419150050562371622515222.5DRYL
2022-08-13 20:00:01FORECAST20223183361.7748.8455.305000.0100.01FF29.77701.77225453.2611867129200.399006537435611622515222.5DRYL
2022-08-13 16:00:02FORECAST20223183362.3448.5355.435000.0100.01FF30.34702.34225453.2611867129200.419150050562371622515222.5DRYL
2022-08-13 12:00:03FORECAST20223183362.6548.855.725000.0100.01FF30.65702.65225453.2611867129200.430198559711641622515222.5DRYL
2022-08-13 08:00:02FORECAST20223183362.8348.8455.835000.0100.01FF30.83701.83225453.2611867129200.43663957435311622515222.5DRYL
2022-08-13 04:00:06FORECAST20223183362.6848.9755.825000.0100.01FF30.68702.68225453.2611867129200.43127082125931622515222.5DRYL
2022-08-13 00:00:03FORECAST20223183362.6648.7155.685000.0100.01FF30.66686.66225453.2611867129200.430555923449221622515222.5DRYL
2022-08-12 20:00:03FORECAST20223183362.6748.6855.675000.0200.02FF30.67702.67225453.2611867129200.430913344060661622515222.5DRYL
2022-08-12 16:00:02FORECAST20223183362.514955.755000.0100.01FF30.51702.51225453.2611867129200.425201599329041622515222.5DRYL
2022-08-12 12:00:03FORECAST20223183362.348.7455.52000.0100.01FF30.3702.3225453.2611867129200.417728876018171622515222.5DRYL
2022-08-12 08:00:03FORECAST20223183362.6948.8955.79000.0300.03FF30.69699.69225453.2611867129200.431628354758331622515222.5DRYL
2022-08-12 04:00:07FORECAST20223183363.5149.1156.31000.0200.02FF31.51701.51225453.2611867129200.461110105662211622515222.5DRYL
2022-08-12 00:00:04FORECAST20223183363.8249.0356.425000.0200.02FF31.82686.82225453.2611867129200.472320574703131622515222.5DRYL
2022-08-11 20:00:03FORECAST20223183365.6148.9457.275000.0400.04FF33.61701.61225453.2611867129200.537204051188651632515225DRYL
2022-08-11 16:00:03FORECAST20223183365.5748.8557.21000.0300.03FF33.57702.57225453.2611867129200.535758509578741632515225DRYL
2022-08-11 12:00:04FORECAST20223183361.7248.8355.275000.0200.02FF29.72699.72225453.2611867129200.397251496196621622515222.5DRYL
2022-08-11 08:00:03FORECAST20223183362.5649.2155.885000.0200.02FF30.56697.56225453.2611867129200.426984892625071622515222.5DRYL
2022-08-11 04:00:07FORECAST20223183366.7649.3858.07000.0100.01FF34.76701.76225453.2611867129200.578478988558631632515225DRYL
2022-08-11 00:00:04FORECAST20223183367.3449.2858.31000.030.010.04FF35.34687.34225453.2611867129200.59900194720631632515225DRYL
2022-08-10 20:00:03FORECAST20223183367.0347.5857.305000.040.020.06FF35.03704.03225453.2611867129200.5880629205811632515225DRYL
2022-08-10 16:00:04FORECAST20223183366.9849.5358.255000.030.030.06FF34.98705.98225453.2611867129200.586291895846611632515225DRYL
2022-08-10 12:00:03FORECAST20223183366.4348.5857.505000.010.010.02FF34.43704.43225453.2611867129200.56670241959781632515225DRYL
2022-08-10 08:00:04FORECAST20223183363.1348.2455.6850000.040.04FF31.13695.13225453.2611867129200.447411188750111622515222.5DRYL
2022-08-10 04:00:09FORECAST20223183363.1348.2455.685000.010.030.04FF31.13697.13225453.2611867129200.447411188750111622515222.5DRYL
2022-08-10 00:00:04FORECAST20223183366.6248.9657.79000.030.080.11FF34.62692.62225453.2611867129200.573490799737331632515225DRYL
2022-08-09 20:00:03FORECAST20223183366.5448.9657.75000.020.110.13FF34.54702.54225453.2611867129200.570635066224111632515225DRYL
2022-08-09 16:00:03FORECAST20223183365.7846.9356.355000.020.120.14FF33.78700.78225453.2611867129200.54334189491481632515225DRYL
2022-08-09 12:00:04FORECAST20223183365.548.4256.96000.040.080.12FF33.5705.5225453.2611867129200.533227687072961632515225DRYL
2022-08-09 08:00:04FORECAST20223183365.6947.1956.44000.050.070.12FF33.69699.69225453.2611867129200.54009364206811632515225DRYL
2022-08-09 04:00:09FORECAST20223183365.6547.1956.42000.010.140.15FF33.65705.65225453.2611867129200.538649101670691632515225DRYL
2022-08-09 00:00:04FORECAST20223183362.347.3454.8200.0230.0330.120.153FF30.3688.3225453.2611867129200.417728876018171622515222.5DRYL
2022-08-08 20:00:04FORECAST20223183361.2447.2354.23500.0230.0330.140.173FF29.24697.24225453.2611867129200.380513683926351622515222.5DRYL
2022-08-08 16:00:03FORECAST20223183361.1947.2154.200.0230.0330.140.173FF29.19696.19225453.2611867129200.378782360556151622515222.5DRYL
2022-08-08 12:00:04FORECAST20223183365.5251.1458.3300.00050.03050.190.2205FF33.52701.52225453.2611867129200.53395092082891632515225DRYL
2022-08-08 08:00:04FORECAST20223183366.0951.3758.7300.00080.03080.170.2008FF34.09704.09225453.2611867129200.554506836409851632515225DRYL
2022-08-08 04:00:09FORECAST20223183366.0551.2858.66500.00080.03080.150.1808FF34.05708.05225453.2611867129200.553068434634441632515225DRYL
2022-08-08 00:00:07FORECAST20223183367.6451.3659.50000.210.21FF35.64697.64225453.2611867129200.609514814207991632515225DRYL
2022-08-07 20:00:03FORECAST20223183369.8450.9760.4050000.220.22FF37.84705.84225453.2611867129200.683740871134521632515150DRYMH
2022-08-07 16:00:04FORECAST20223183368.8751.0259.9450000.240.24FF36.87704.87225453.2611867129200.651711359371821632515150DRYMH
2022-08-07 12:00:04FORECAST20223183358.347.8553.07500.00030.00030.280.2803FF26.3687.3225453.2611867129200.283801856844941622515222.5DRYL
2022-08-07 08:00:04FORECAST20223183348.4347.4947.9600.00040.03040.250.2804FF16.43668.43225453.2611867129200.0707382777206531612515220DRYL
2022-08-07 04:00:08FORECAST20223183348.4647.8248.1400.00040.03040.220.2504FF16.46675.46225453.2611867129200.0711093636714151612515220DRYL