MOUNT RAINIER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Saturday, August 13, 2022

[ Friday, August 12, 2022 | Index | Today | Sunday, August 14, 2022 ]

DAY 317 OF WATER YEAR 2022, FORECAST LAST UPDATED 08/14/2022 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): 58.44°F
MINIMUM TEMPERATURE (Tmin): 42.23°F
AVERAGE TEMPERATURE (Tavg): 50.33°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.283
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: 26
18-DAY CUMULATIVE DD32: 722

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: 224
CALCULATED SNOW DENSITY: 452.71 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: 32

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 2
D1: 2
D2: 5
D3: 1
D4: 5
D5: 2
HSdry: 22.5

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
2022-08-14 04:00:06OBSERVATION20223173258.4400242.2299450.3349800000FF26.44002722.44002224452.71051360617 00.2833160432463716 22515222.5DRYL
2022-08-14 00:00:02FORECAST20223173246.5246.5246.5200.00010.000100.0001FF14.52710.52225453.2611867129200.0396556792746541612515220DRYL
2022-08-13 12:00:02FORECAST20223173256.3148.8552.5800.0060.00600.006FF24.31720.31225453.2611867129200.216553174054071612515220DRYL
2022-08-13 08:00:01FORECAST20223173255.343.649.4500.00780.007800.0078FF23.3719.3225453.2611867129200.188376192413421612515220DRYL
2022-08-13 04:00:06FORECAST20223173256.1344.6250.37500.01170.011700.0117FF24.13720.13225453.2611867129200.211360580136591612515220DRYL
2022-08-13 00:00:03FORECAST20223173257.4644.9951.22500.01320.013200.0132FF25.46704.46224452.7105136061700.251418242194211622515222.5DRYL
2022-08-12 20:00:02FORECAST20223173257.2843.8450.5600.01830.018300.0183FF25.28720.28224452.7105136061700.245772675707951612515220DRYL
2022-08-12 16:00:02FORECAST20223173257.4246.3151.86500.01020.010200.0102FF25.42720.42224452.7105136061700.250157785772531622515222.5DRYL
2022-08-12 12:00:02FORECAST20223173257.3846.0451.7100.01330.013300.0133FF25.38720.38224452.7105136061700.248900683983861612515220DRYL
2022-08-12 08:00:02FORECAST20223173257.645.9351.76500.0170.02700.027FF25.6716.6224452.7105136061700.255856100258581622515222.5DRYL
2022-08-12 04:00:07FORECAST20223173257.8246.3152.06500.01250.022500.0225FF25.82717.82224452.7105136061700.262911482292871622515222.5DRYL
2022-08-12 00:00:03FORECAST20223173257.5846.3251.9500.00370.023700.0237FF25.58702.58224452.7105136061700.255219630578031622515222.5DRYL
2022-08-11 20:00:03FORECAST20223173258.2846.652.4400.01110.041100.0411FF26.28716.28224452.7105136061700.277977953203261622515222.5DRYL
2022-08-11 16:00:03FORECAST20223173258.346.7352.51500.00860.028600.0286FF26.3717.3224452.7105136061700.278642442040361622515222.5DRYL
2022-08-11 12:00:03FORECAST20223173258.2646.7952.52500.00870.018700.0187FF26.26718.26224452.7105136061700.277314237682551622515222.5DRYL
2022-08-11 08:00:03FORECAST20223173258.4446.8252.6300.00690.016900.0169FF26.44715.44224452.7105136061700.283315373011921622515222.5DRYL
2022-08-11 04:00:07FORECAST20223173258.0146.8452.42500.00180.011800.0118FF26.01715.01224452.7105136061700.269083722471591622515222.5DRYL
2022-08-11 00:00:04FORECAST20223173258.146.652.3500.00390.043900.0439FF26.1700.1224452.7105136061700.272032554157451622515222.5DRYL
2022-08-10 20:00:03FORECAST20223173260.0946.5153.300.00120.05120.010.0612FF28.09717.09224452.7105136061700.341014780309881622515222.5DRYL
2022-08-10 16:00:03FORECAST20223173261.7846.9554.36500.00180.05180.010.0618FF29.78718.78224452.7105136061700.404228269528081622515222.5DRYL
2022-08-10 12:00:03FORECAST20223173261.7546.8454.29500.00160.01160.010.0216FF29.75717.75224452.7105136061700.403078368258531622515222.5DRYL
2022-08-10 08:00:04FORECAST20223173256.7747.7152.2400.00060.00060.040.0406FF24.77711.77224452.7105136061700.230152801612171612515220DRYL
2022-08-10 04:00:09FORECAST20223173261.1947.3154.2500.00060.01060.030.0406FF29.19714.19224452.7105136061700.381777425164151622515222.5DRYL
2022-08-10 00:00:04FORECAST20223173262.1646.154.1300.00880.02880.080.1088FF30.16706.16224452.7105136061700.41886210709181622515222.5DRYL
2022-08-09 20:00:02FORECAST20223173262.1346.0354.08000.020.110.13FF30.13716.13224452.7105136061700.41770243087831622515222.5DRYL
2022-08-09 16:00:03FORECAST20223173262.1347.1454.635000.020.120.14FF30.13715.13224452.7105136061700.41770243087831622515222.5DRYL
2022-08-09 12:00:04FORECAST20223173263.2348.3255.77500.01230.04230.080.1223FF31.23720.23224452.7105136061700.460609981577481622515222.5DRYL
2022-08-09 08:00:04FORECAST20223173258.7748.3353.5500.01230.05230.070.1223FF26.77713.77224452.7105136061700.294476280325511622515222.5DRYL
2022-08-09 04:00:08FORECAST20223173262.7148.3555.5300.01250.01250.140.1525FF30.71719.71224452.7105136061700.440237730556611622515222.5DRYL
2022-08-09 00:00:04FORECAST20223173263.349.556.400.00880.00880.120.1288FF31.3706.3224452.7105136061700.463361518124161622515222.5DRYL
2022-08-08 20:00:04FORECAST20223173262.0548.9455.49500.01130.01130.140.1513FF30.05716.05224452.7105136061700.414613483738851622515222.5DRYL
2022-08-08 16:00:03FORECAST2022317326248.9355.46500.01130.01130.140.1513FF30715224452.7105136061700.412685556394171622515222.5DRYL
2022-08-08 12:00:04FORECAST20223173263.9950.0357.0100.02660.02660.190.2166FF31.99715.99224452.7105136061700.490556873374991622515222.5DRYL
2022-08-08 08:00:04FORECAST20223173264.5550.9957.7700.02680.02680.170.1968FF32.55717.55224452.7105136061700.512666663074491632515225DRYL
2022-08-08 04:00:08FORECAST20223173264.5750.9957.7800.02680.02680.150.1768FF32.57721.57224452.7105136061700.5134559825261632515225DRYL
2022-08-08 00:00:06FORECAST20223173266.150.5558.3250000.210.21FF34.1710.1224452.7105136061700.573453860914751632515225DRYL
2022-08-07 20:00:03FORECAST20223173263.8249.1656.490000.220.22FF31.82715.82224452.7105136061700.483847592499751622515222.5DRYL
2022-08-07 16:00:04FORECAST20223173263.7849.0956.4350000.240.24FF31.78715.78224452.7105136061700.482269532166871622515222.5DRYL
2022-08-07 12:00:04FORECAST20223173258.8546.4252.63500.00130.00130.280.2813FF26.85708.85224452.7105136061700.297212176888421622515222.5DRYL
2022-08-07 08:00:04FORECAST20223173256.2945.1550.7200.02630.02630.250.2763FF24.29700.29224452.7105136061700.215972606968171612515220DRYL
2022-08-07 04:00:08FORECAST20223173256.1444.5950.36500.02630.02630.220.2463FF24.14707.14224452.7105136061700.211647134146971612515220DRYL
2022-08-07 00:00:04FORECAST20223173262.649.8956.2450000.10.1FF30.6699.6224452.7105136061700.435946568614451622515222.5DRYL
2022-08-06 20:00:04FORECAST20223173261.6649.7655.7100.00070.00070.150.1507FF29.66707.66224452.7105136061700.399633726749111622515222.5DRYL
2022-08-06 16:00:04FORECAST20223173261.3749.8455.6050000.160.16FF29.37706.37224452.7105136061700.388588612339761622515222.5DRYL
2022-08-06 12:00:04FORECAST20223173257.2447.4252.330000.190.19FF25.24699.24224452.7105136061700.244527398263281612515220DRYL
2022-08-06 08:00:03FORECAST20223173248.7747.4448.1050000.20.2FF16.77685.77224452.7105136061700.0628586400119051612515220DRYL
2022-08-06 04:00:09FORECAST20223173249.5747.8848.7250000.220.22FF17.57693.57224452.7105136061700.0732767826908771612515220DRYL