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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Monday, July 12, 2021

[ Sunday, July 11, 2021 | Index | Today | Tuesday, July 13, 2021 ]

DAY 285 OF WATER YEAR 2021, FORECAST LAST UPDATED 07/13/2021 04:00:07 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): 65.16°F
MINIMUM TEMPERATURE (Tmin): 53.77°F
AVERAGE TEMPERATURE (Tavg): 59.46°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.559
Maximum Percentile on this day is based on 98 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: 677

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): 0.08 in
18-DAY TOTAL (P18): 0.08 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: 192
CALCULATED SNOW DENSITY: 433.94 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: 0

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
2021-07-13 04:00:07OBSERVATION2021285065.1599653.7699259.464940000.080.08FF33.15996677.15996192433.93718045778 00.5589861614286898 32515225DRYL
2021-07-13 00:00:03FORECAST2021285056.556.556.50000.080.08FF24.5668.5193434.5590568585600.253716393502559822515222.5DRYL
2021-07-12 12:00:03FORECAST2021285066.1154.7860.44500.00130.00130.080.0813FF34.11678.11193434.5590568585600.593824370518359832515225DRYL
2021-07-12 08:00:03FORECAST2021285062.9554.8158.8800.03670.03670.080.1167FF30.95674.95193434.5590568585600.476628392717539822515222.5DRYL
2021-07-12 04:00:08FORECAST2021285066.1652.0859.1200.00220.00220.080.0822FF34.16678.16193434.5590568585600.595639977970469832515225DRYL
2021-07-12 00:00:06FORECAST2021285066.253.359.7500.0020.0020.080.082FF34.2668.2192433.9371804577800.597090984716719832515225DRYL
2021-07-11 20:00:03FORECAST2021285066.451.4458.920000.080.08FF34.4678.4192433.9371804577800.604325603403049832515225DRYL
2021-07-11 16:00:03FORECAST2021285066.5252.6359.57500.00130.00130.080.0813FF34.52678.52192433.9371804577800.60864936043159832515225DRYL
2021-07-11 12:00:05FORECAST2021285064.2952.958.59500.00020.00020.080.0802FF32.29676.29192433.9371804577800.526671831434519832515225DRYL
2021-07-11 08:00:03FORECAST2021285066.2452.2159.22500.00020.00020.080.0802FF34.24675.24192433.9371804577800.598540655858649832515225DRYL
2021-07-11 04:00:07FORECAST2021285066.252.3259.2600.00110.00110.080.0811FF34.2678.2192433.9371804577800.597090984716719832515225DRYL
2021-07-11 00:00:06FORECAST2021285066.655359.82500.00250.08250.080.1625FF34.65662.65192433.9371804577800.61331831572149832515225DRYL
2021-07-10 20:00:06FORECAST2021285064.4152.6558.5300.00230.00230.080.0823FF32.41674.41192433.9371804577800.531144511918269832515225DRYL
2021-07-10 16:00:05FORECAST2021285066.8552.7559.800.00220.00220.080.0822FF34.85676.85192433.9371804577800.620469196854759832515225DRYL
2021-07-10 12:00:03FORECAST2021285066.8252.2459.5300.00250.00250.080.0825FF34.82675.82192433.9371804577800.619399120344469832515225DRYL
2021-07-10 08:00:05FORECAST2021285066.9552.1959.5700.00250.00250.080.0825FF34.95675.95192433.9371804577800.624029419539519832515225DRYL
2021-07-10 04:00:07FORECAST2021285067.0152.3859.6950000.080.08FF35.01678.01192433.9371804577800.626160520572799832515225DRYL
2021-07-10 00:00:06FORECAST2021285068.1452.4260.2800.00020.00020.080.0802FF36.14668.14192433.9371804577800.665512601732489832515150DRYMH
2021-07-09 20:00:05FORECAST2021285069.8751.8360.8500.00020.00020.080.0802FF37.87678.87192433.9371804577800.722278113063879842515155DRYH
2021-07-09 16:00:06FORECAST2021285069.9252.4961.20500.00160.00160.080.0816FF37.92678.92192433.9371804577800.723846505863719842515155DRYH
2021-07-09 12:00:05FORECAST2021285070.952.6961.79500.00360.00360.080.0836FF38.9680.9192433.9371804577800.753681662410029842515155DRYH
2021-07-09 08:00:05FORECAST2021285067.753.6560.67500.00440.00440.080.0844FF35.7676.7192433.9371804577800.650376695138789832515225DRYL
2021-07-09 04:00:07FORECAST2021285072.652.862.70000.10.1FF40.6684.6192433.9371804577800.80106018674179842515155DRYH
2021-07-09 00:00:06FORECAST2021285071.9150.7561.330000.080.08FF39.91671.91192433.9371804577800.782526888976979842515155DRYH
2021-07-08 20:00:06FORECAST2021285071.3750.2860.8250000.080.08FF39.37683.37192433.9371804577800.767353084220349842515155DRYH
2021-07-08 16:00:06FORECAST2021285071.6652.3962.0250000.080.08FF39.66683.66192433.9371804577800.775573974557819842515155DRYH
2021-07-08 12:00:05FORECAST2021285070.6651.5961.1250000.080.08FF38.66682.66192433.9371804577800.746538130178519842515155DRYH
2021-07-08 08:00:05FORECAST2021285066.5950.7258.6550000.080.08FF34.59674.59192433.9371804577800.611165405276159832515225DRYL
2021-07-08 04:00:07FORECAST2021285068.7851.3160.0450000.080.08FF36.78681.78192433.9371804577800.687051351854149832515150DRYMH
2021-07-08 00:00:06FORECAST2021285070.953.4162.1550000.090.09FF38.9671.9192433.9371804577800.753681662410029842515155DRYH
2021-07-07 20:00:06FORECAST2021285070.951.3561.1250000.080.08FF38.9683.9192433.9371804577800.753681662410029842515155DRYH
2021-07-07 16:00:06FORECAST2021285070.4152.2161.310000.080.08FF38.41686.41192433.9371804577800.738982949308899842515155DRYH
2021-07-07 12:00:06FORECAST2021285067.9552.1760.060000.080.08FF35.95678.95192433.9371804577800.659007826749799832515225DRYL
2021-07-07 08:00:06FORECAST2021285068.6151.3359.970000.090.09FF36.61681.61192433.9371804577800.681388161729719832515150DRYMH
2021-07-07 04:00:07FORECAST2021285068.0851.4459.760000.10.1FF36.08686.08192433.9371804577800.663463706561369832515150DRYMH
2021-07-07 00:00:06FORECAST2021285070.0552.9561.50000.110.11FF38.05680.05192433.9371804577800.727903891176159842515155DRYH
2021-07-06 20:00:06FORECAST2021285069.9752.5961.280000.110.11FF37.97692.97192433.9371804577800.72541054373449842515155DRYH
2021-07-06 16:00:06FORECAST2021285069.9752.661.2850000.120.12FF37.97688.97192433.9371804577800.72541054373449842515155DRYH
2021-07-06 12:00:06FORECAST2021285063.8850.0756.9750000.120.12FF31.88688.88192433.9371804577800.511368210258359832515225DRYL
2021-07-06 08:00:06FORECAST2021285065.0150.8557.930000.120.12FF33.01676.01192433.9371804577800.553437821258939832515225DRYL
2021-07-06 04:00:08FORECAST2021285064.8950.7957.840000.120.12FF32.89689.89192433.9371804577800.548990364734649832515225DRYL
2021-07-06 00:00:07FORECAST2021285066.0848.557.290000.130.13FF34.08670.08192433.9371804577800.592734034307189832515225DRYL
2021-07-05 20:00:06FORECAST2021285066.3148.9657.6350000.140.14FF34.31681.31192433.9371804577800.601074309167499832515225DRYL
2021-07-05 16:00:06FORECAST2021285066.3448.9657.650000.140.14FF34.34681.34192433.9371804577800.602158865295849832515225DRYL
2021-07-05 12:00:06FORECAST2021285063.352.9658.130000.130.13FF31.3687.3192433.9371804577800.489695895148829822515222.5DRYL
2021-07-05 08:00:05FORECAST2021285055.6652.9554.3050000.160.16FF23.66672.66192433.9371804577800.229182038434299812515220DRYL
2021-07-05 04:00:07FORECAST2021285054.6153.1753.890000.110.11FF22.61680.61192433.9371804577800.200472859611459812515220DRYL