MOUNT RAINIER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Monday, August 1, 2022

[ Sunday, July 31, 2022 | Index | Today | Tuesday, August 2, 2022 ]

DAY 305 OF WATER YEAR 2022, FORECAST LAST UPDATED 08/02/2022 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): 72.44°F
MINIMUM TEMPERATURE (Tmin): 55.06°F
AVERAGE TEMPERATURE (Tavg): 63.75°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.796
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: 40
18-DAY CUMULATIVE DD32: 696

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): 0.03 in
18-DAY TOTAL (P18): 0.03 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: 212
CALCULATED SNOW DENSITY: 445.94 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: 20

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 4
D1: 2
D2: 5
D3: 1
D4: 5
D5: 1
HSdry: 55.0

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
2022-08-02 04:00:05OBSERVATION20223052072.4400655.0599863.750020000.030.03FF40.44006696.44006212445.9366015751 00.7956067330205316 42515155DRYH
2022-08-02 00:00:02FORECAST20223052054.9254.9254.920000.030.03FF22.92678.92213446.5129667018200.129741904943511612515220DRYL
2022-08-01 12:00:01FORECAST20223052071.3654.7263.0400.00430.00430.030.0343FF39.36695.36213446.5129667018200.759775664402781642515155DRYH
2022-08-01 08:00:02FORECAST20223052065.5455.8560.69500.00140.00140.030.0314FF33.54689.54213446.5129667018200.522601311332911632515225DRYL
2022-08-01 04:00:08FORECAST20223052066.2755.9461.10500.00860.00860.030.0386FF34.27690.27213446.5129667018200.554907652520711632515225DRYL
2022-08-01 00:00:03FORECAST20223052066.5155.5861.04500.01540.01540.030.0454FF34.51674.51212445.936601575100.565460283618441632515225DRYL
2022-07-31 20:00:02FORECAST20223052066.3955.3260.85500.04650.05650.030.0865FF34.39688.39212445.936601575100.560189312937091632515225DRYL
2022-07-31 16:00:01FORECAST20223052066.0355.2560.6400.01650.02650.030.0565FF34.03688.03212445.936601575100.544315968835141632515225DRYL
2022-07-31 12:00:03FORECAST20223052066.2955.5560.9200.01010.02010.030.0501FF34.29688.29212445.936601575100.555788632399941632515225DRYL
2022-07-31 08:00:04FORECAST20223052067.1456.2961.71500.01520.02520.030.0552FF35.14686.14212445.936601575100.5929213179561632515225DRYL
2022-07-31 04:00:08FORECAST20223052067.2856.3261.800.01480.02480.030.0548FF35.28686.28212445.936601575100.59896719476471632515225DRYL
2022-07-31 00:00:03FORECAST20223052066.956.2761.58500.00750.01750.030.0475FF34.9667.9212445.936601575100.5825060419431632515225DRYL
2022-07-30 20:00:03FORECAST20223052067.2457.3162.27500.00810.01810.030.0481FF35.24681.24212445.936601575100.597242149622021632515225DRYL
2022-07-30 16:00:03FORECAST20223052066.3756.6661.51500.01660.02660.030.0566FF34.37680.37212445.936601575100.559309753623951632515225DRYL
2022-07-30 12:00:03FORECAST20223052065.6956.3861.03500.01390.02390.030.0539FF33.69676.69212445.936601575100.529258795365391632515225DRYL
2022-07-30 08:00:04FORECAST20223052066.4455.6461.0400.00530.01530.030.0453FF34.44680.44212445.936601575100.562386902727051632515225DRYL
2022-07-30 04:00:07FORECAST20223052065.7355.5160.6200.01310.02310.030.0531FF33.73679.73212445.936601575100.531032821438071632515225DRYL
2022-07-30 00:00:04FORECAST20223052065.4154.660.00500.01620.02620.030.0562FF33.41666.41212445.936601575100.516826318010141632515225DRYL
2022-07-29 20:00:03FORECAST20223052066.8955.4561.1700.02360.03360.030.0636FF34.89680.89212445.936601575100.582070759477311632515225DRYL
2022-07-29 16:00:03FORECAST20223052065.7453.1959.46500.0260.0360.030.066FF33.74680.74212445.936601575100.531476233089941632515225DRYL
2022-07-29 12:00:03FORECAST20223052063.6550.8157.2300.03190.04190.030.0719FF31.65678.65212445.936601575100.438792621226091622515222.5DRYL
2022-07-29 08:00:02FORECAST20223052063.0448.9756.00500.03160.04160.030.0716FF31.04673.04212445.936601575100.412141557313931622515222.5DRYL
2022-07-29 04:00:09FORECAST20223052063.3750.5356.9500.04470.05470.030.0847FF31.37670.37212445.936601575100.426517242215811622515222.5DRYL
2022-07-29 00:00:04FORECAST20223052063.3752.2957.8300.03940.04940.030.0794FF31.37663.37212445.936601575100.426517242215811622515222.5DRYL
2022-07-28 20:00:04FORECAST20223052061.7152.557.10500.02990.03990.030.0699FF29.71674.71212445.936601575100.355571557103071622515222.5DRYL
2022-07-28 16:00:03FORECAST20223052061.2752.5456.90500.04330.05330.030.0833FF29.27672.27212445.936601575100.337470087480781622515222.5DRYL
2022-07-28 12:00:04FORECAST20223052062.3453.257.7700.03790.04790.030.0779FF30.34676.34212445.936601575100.382057197221481622515222.5DRYL
2022-07-28 08:00:04FORECAST20223052060.9453.8757.40500.01560.03560.030.0656FF28.94668.94212445.936601575100.32413376530471622515222.5DRYL
2022-07-28 04:00:08FORECAST20223052065.1354.259.66500.01150.04150.030.0715FF33.13676.13212445.936601575100.504377457291451632515225DRYL
2022-07-28 00:00:04FORECAST20223052062.1251.8256.9700.04050.07050.030.1005FF30.12664.12212445.936601575100.372738086547891622515222.5DRYL
2022-07-27 20:00:04FORECAST20223052064.552.1358.31500.03220.06220.030.0922FF32.5678.5212445.936601575100.47637040781281622515222.5DRYL
2022-07-27 16:00:03FORECAST20223052064.552.0958.29500.03220.05220.030.0822FF32.5681.5212445.936601575100.47637040781281622515222.5DRYL
2022-07-27 12:00:04FORECAST20223052066.0953.5559.8200.03020.05020.030.0802FF34.09675.09212445.936601575100.546967144133141632515225DRYL
2022-07-27 08:00:04FORECAST20223052066.1753.2359.700.03020.07020.030.1002FF34.17671.17212445.936601575100.550498770450591632515225DRYL
2022-07-27 04:00:09FORECAST20223052063.1153.0258.06500.05650.10650.030.1365FF31.11669.11212445.936601575100.415181797093221622525245DRYM
2022-07-27 00:00:04FORECAST20223052070.0757.1863.62500.02270.06270.040.1027FF38.07664.07212445.936601575100.712853217479271642515155DRYH
2022-07-26 20:00:04FORECAST20223052070.3858.0864.2300.02270.04270.040.0827FF38.38682.38212445.936601575100.72451409337031642515155DRYH
2022-07-26 16:00:04FORECAST20223052072.1657.1264.6400.01430.01430.040.0543FF40.16686.16212445.936601575100.786633986832681642515155DRYH
2022-07-26 12:00:04FORECAST20223052060.8649.7855.3200.03060.08060.080.1606FF28.86656.86212445.936601575100.320933580422231622515222.5DRYL
2022-07-26 08:00:04FORECAST20223052060.8449.7855.3100.03060.09060.080.1706FF28.84651.84212445.936601575100.320135594853551622525245DRYM
2022-07-26 04:00:08FORECAST20223052061.3849.7155.54500.02830.08830.040.1283FF29.38664.38212445.936601575100.341962318948471622515222.5DRYL
2022-07-26 00:00:05FORECAST20223052068.0355.3561.690000.080.08FF36.03669.03212445.936601575100.630920451063041632515150DRYMH
2022-07-25 20:00:04FORECAST20223052067.2456.9962.11500.00130.00130.080.0813FF35.24678.24212445.936601575100.597242149622021632515225DRYL
2022-07-25 16:00:04FORECAST20223052067.3558.2362.7900.00020.00020.110.1102FF35.35678.35212445.936601575100.601981367876971632515225DRYL
2022-07-25 12:00:04FORECAST20223052063.845559.420000.110.11FF31.84670.84212445.936601575100.447156749164981622515222.5DRYL
2022-07-25 08:00:05FORECAST20223052057.7155.156.4050000.130.13FF25.71660.71212445.936601575100.207153218281291612515220DRYL
2022-07-25 04:00:09FORECAST20223052058.0756.5757.320000.050.05FF26.07658.07212445.936601575100.218818606706351612515220DRYL