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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Wednesday, November 6, 2019

[ Tuesday, November 5, 2019 | Index | Today | Thursday, November 7, 2019 ]

DAY 37 OF WATER YEAR 2020, FORECAST LAST UPDATED 11/07/2019 04:00:12 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): 46.49°F
MINIMUM TEMPERATURE (Tmin): 38.03°F
AVERAGE TEMPERATURE (Tavg): 42.26°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.769
Maximum Percentile on this day is based on 88 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: 14
18-DAY CUMULATIVE DD32: 178

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): 2.24 in
18-DAY TOTAL (P18): 2.24 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: 8 in
SWE DAY: 56
CALCULATED SNOW DENSITY: 328.80 kg/m3
CALCULATED SWE: 2.76 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: 117

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 4
D1: 5
D2: 1
D3: 1
D4: 3
D5: 2
HSdry: 15.0

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
2019-11-07 04:00:12OBSERVATION20203711746.4938.0342.268.4022141666667002.242.24FF14.49178.4956328.79596069877 2.7626140789260.7691754464978288 45113215DRYL
2019-11-07 00:00:13FORECAST20203811831.5231.5231.528001.751.75FF-0.48161.5256328.520897076342.62816717661070.179064993576648815113210.5DRYL
2019-11-06 12:00:12FORECAST20203711753.442.0847.747.96619866666670.00360.00362.242.2436FF21.4185.456328.497768436452.61687848492140.933318948657078855113216.5DRYL
2019-11-06 08:00:12FORECAST20203711752.943845.477.69056933333330.0060.0062.242.246FF20.94184.9456328.309094298912.52488385246960.926469174468248855113216.5DRYL
2019-11-06 04:00:16FORECAST20203711753.4637.3345.3957.07363091666670.01010.01012.242.2501FF21.46185.4656327.88630782152.31934672415780.934174865712488855114222DRYL
2019-11-06 00:00:13FORECAST20203711749.3732.6240.9956.4792280.0060.0062.242.246FF17.37156.3756327.478337733282.12180681523490.854215213128678855114222DRYL
2019-11-05 20:00:11FORECAST20203711752.2637.8445.057.48606133333330.00210.01212.242.2521FF20.26183.2656328.16901883872.45669340272630.915378715997988855114222DRYL
2019-11-05 16:00:11FORECAST20203711752.3438.945.627.51634666666670.0030.0132.242.253FF20.34183.3456328.189767028062.46678806143550.916744903598428855114222DRYL
2019-11-05 12:00:11FORECAST2020371175339.5746.2856.25994266666670.00020.01022.242.2502FF2118456327.327675037712.04905247894940.927391884865398855114222DRYL
2019-11-05 08:00:11FORECAST20203711752.6239.6446.135.991420.00190.01192.242.2519FF20.62184.6256327.143068892131.96005152582170.921396519642458855114222DRYL
2019-11-05 04:00:12FORECAST20203711752.5739.5346.055.52535741666670.00080.01082.242.2508FF20.57179.5756326.822357326671.80581033598740.920580596469368855114222DRYL
2019-11-05 00:00:13FORECAST20203711752.4839.8846.184.6384920.00180.01182.242.2518FF20.48163.4856326.211029192881.51312724922290.919095860625728855114222DRYL
2019-11-04 20:00:11FORECAST20203711752.439.4145.9055.65040933333330.00140.01142.242.2514FF20.4186.456326.908446551711.84716653754130.917758649224248855114222DRYL
2019-11-04 16:00:12FORECAST20203711752.3639.3345.8455.69332266666670.0010.0112.242.251FF20.36186.3656326.937982985141.86136342912360.917083853936028855114222DRYL
2019-11-04 12:00:11FORECAST20203711752.8339.5746.24.24607733333330.00080.01082.242.2508FF20.83186.8356325.940092757861.38396683988370.924754368620758855114222DRYL
2019-11-04 08:00:11FORECAST20203711753.540.0146.7554.04020266666670.00190.01192.242.2519FF21.5188.556325.797841843731.31628930941130.934740745759418855114222DRYL
2019-11-04 04:00:12FORECAST20203711753.6239.7746.6954.0828240.00170.02172.242.2617FF21.62184.6256325.827297535521.33029551023320.936415829895448855114222DRYL
2019-11-04 00:00:13FORECAST20203711754.2439.6646.953.35501066666670.00040.01042.242.2504FF22.24175.2456325.323866268981.09146504145370.944544754936768855114222DRYL
2019-11-03 20:00:11FORECAST20203711753.4139.4746.444.56230666666670.00080.01082.252.2608FF21.41189.4156326.158449370061.48803486795070.933462194551058855114222DRYL
2019-11-03 16:00:11FORECAST20203711753.9739.5346.754.46018933333330.0020.0122.252.262FF21.97189.9756326.087956441131.45441402504720.941111343900788855114222DRYL
2019-11-03 12:00:11FORECAST20203711754.339.4446.873.32629333333330.0020.0022.252.252FF22.3190.356325.303983288231.08205647091840.945285912431028855114222DRYL
2019-11-03 08:00:12FORECAST20203711747.3838.6843.033.2715720.00020.00022.252.2502FF15.38183.3856325.266091938551.06413143893560.798015572435738845114220DRYL
2019-11-03 04:00:12FORECAST20203711754.2737.6645.9653.2693080833333002.252.25FF22.27184.2756325.26452419411.06338993816930.944916315223178855114222DRYL
2019-11-03 00:00:13FORECAST20203711752.6537.4545.052.961940.00170.00172.252.2517FF20.65162.6556325.051590497790.962783307959030.92188302508188855114222DRYL
2019-11-02 20:00:11FORECAST20203711752.6737.4645.0654.0462360.00180.00182.252.2518FF20.67185.6756325.802011686651.31827182855890.922206095126378855114222DRYL
2019-11-02 16:00:12FORECAST20203711753.1337.2745.23.94723466666670.00140.00142.242.2414FF21.13184.1356325.733580401381.28574688065780.92936074171998855114222DRYL
2019-11-02 12:00:11FORECAST20203711755.4136.9146.162.50452666666670.00180.00182.242.2418FF23.41182.4156324.73440284320.813305971504860.957638964774048855114222DRYL
2019-11-02 08:00:11FORECAST20203711755.4436.9246.182.308820.00180.00182.242.2418FF23.44183.4456324.598579853220.749439693136720.957938683251528855114222DRYL
2019-11-02 04:00:12FORECAST20203711754.237.1745.6852.23024591666670.00180.00182.252.2518FF22.2181.256324.544029412120.723812996374930.944046276719658855114222DRYL
2019-11-02 00:00:16FORECAST20203711753.3638.0645.710.0164080.00020.00022.252.2502FF21.36170.3656323.002578406420.00529982630649260.932743585629818855115227.5DRYL
2019-11-01 20:02:13FORECAST20203711753.3938.0845.7350.9432640.00020.00022.262.2602FF21.39188.3956323.648984642950.305286435850240.933175465034948855114222DRYL
2019-11-01 16:02:15FORECAST20203711753.4637.7745.6150.759037333333330.00020.00022.252.2502FF21.46189.4656323.520622762740.245564230780170.934174865712488855114222DRYL
2019-11-01 12:00:12FORECAST20203711754.7637.9546.35500.00190.00192.252.2519FF22.76187.7656322.9911214547700.950711811255348855115227.5DRYL
2019-11-01 08:02:14FORECAST20203711754.7937.9646.37500.00190.00192.252.2519FF22.79186.7956322.9911214547700.951050239365838855115227.5DRYL
2019-10-31 20:02:12FORECAST20203711754.5438.2846.410.1320480.00270.00272.252.2527FF22.54190.5456323.083310959330.0426625050455580.948172774089598855114222DRYL
2019-10-31 20:00:11FORECAST20203711754.5538.2946.420.136366666666660.00270.00272.252.2527FF22.55190.5556323.086325520650.0440582052568320.948290389897578855114222DRYL
2019-10-31 12:02:13FORECAST20203711752.4739.0845.7750.161294666666670.00030.00032.242.2403FF20.47182.4756323.103725380190.0521149076839560.918929609407058855114222DRYL
2019-10-31 12:00:12FORECAST20203711750.5739.2344.90.334506415856780.00030.00032.232.2303FF18.57171.5756323.224597565140.108120701648270.882483130279428855114222DRYL
2019-10-31 08:02:14FORECAST20203711750.5739.2444.9050.26975378964580.00030.00032.242.2403FF18.57170.5756323.179417527520.0871788726135710.882483130279428855114222DRYL
2019-10-31 08:00:12FORECAST20203711750.5839.2444.910.231565980709310.00030.00032.242.2403FF18.58170.5856323.152769153260.0748311879079050.882701180932178855114222DRYL
2019-10-31 04:02:13FORECAST20203711750.5937.5644.0750.39786789743590.00030.00032.242.2403FF18.59173.5956323.268799762880.128618277668280.882918945764578855114222DRYL
2019-10-31 04:00:13FORECAST20203711750.637.5644.080.369222564102560.00030.00032.242.2403FF18.6174.656323.248817104150.119350757094320.883136424885118855114222DRYL
2019-10-30 16:00:12FORECAST20203711743.0942.5242.8051.9807480.00060.02062.242.2606FF11.09175.0956324.370742076950.642496698627440.640662447095448835114218DRYL
2019-10-30 04:02:13FORECAST20203711743.142.5342.8151.2760879040530.00030.02032.242.2603FF11.1175.156323.880730998920.413300283183560.641075692188448835114218DRYL
2019-10-30 04:00:13FORECAST20203711744.3744.1944.283.421002084424700.022.242.26FF12.37149.3756325.369551161271.1130899127310.692073994488738835114218DRYL