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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Tuesday, January 7, 2020

[ Monday, January 6, 2020 | Index | Today | Wednesday, January 8, 2020 ]

DAY 99 OF WATER YEAR 2020, FORECAST LAST UPDATED 01/08/2020 04:00:11 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:

WET

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 31.80°F
MINIMUM TEMPERATURE (Tmin): 27.26°F
AVERAGE TEMPERATURE (Tavg): 29.53°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.415
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: 0
18-DAY CUMULATIVE DD32: 602

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: 1.96 in
DAY 1-3 (P3): 6.15 in
DAY 4-15 (P15): 4.88 in
18-DAY TOTAL (P18): 11.03 in

PRECIP THRESHOLD A (PA) EXCEEDED: True
P3 > (-0.67 * P15 + 2.5)

PRECIP THRESHOLD B (PB) EXCEEDED: True
P3 > (-0.67 * P15 + 4.5)
Snow at Paradise DEPTH: 101 in
SWE DAY: 7
CALCULATED SNOW DENSITY: 341.50 kg/m3
CALCULATED SWE: 34.40 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: -186

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 2
D1: 1
D2: 5
D3: 5
D4: 1
D5: 2
HSdry: 20.0

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
2020-01-08 04:00:11OBSERVATION202099-18631.8000227.2600629.53004100.741268333331.966.154.8811.03TT-0.19998601.800027341.49534747724 34.4026744347890.4149570507841788 21551220WETL
2020-01-08 00:00:12FORECAST2020100-18627.5127.5127.5195.1404709382970.03354.22354.889.1035TT-4.49597.517337.8216593482232.1405117635470.258828088176578821451217.5WETL
2020-01-07 12:00:11FORECAST202099-18633.9529.4731.7194.5612787697870.92595.11594.889.9959TT1.95603.957337.4387640106231.9086410313410.500699853657368831551222.5WETL
2020-01-07 08:00:11FORECAST202099-18632.2229.3830.895.0401387361551.22775.41774.8810.2977TT0.22602.227337.7553715511432.1003173711020.431519322620368821551220WETL
2020-01-07 04:00:11FORECAST202099-18632.6129.4431.02595.1278290372831.45125.64124.8810.5212TT0.61602.617337.8133079871632.1354466087210.447008526315078821551220WETL
2020-01-07 00:00:12FORECAST202099-18633.7429.5131.62577.1399642241291.72682.79684.887.6768TT1.74605.747325.6545135760625.1209775266840.492261454495178821551220WETL
2020-01-06 20:00:11FORECAST202099-18633.529.4431.4774.8762090221712.06535.35534.8810.2353TT1.5606.57324.0846097506824.2662269805610.482622028648428821551220WETL
2020-01-06 16:00:10FORECAST202099-18633.6829.631.6474.6488851115852.02865.31864.8810.1986TT1.68606.687323.9264623430724.180749272050.489850954139888821551220WETL
2020-01-06 12:00:11FORECAST202099-18633.8830.3432.1177.7580281038592.07975.36974.8810.2497TT1.88606.887326.0815716309325.3554600110290.497886902270198821551220WETL
2020-01-06 08:00:10FORECAST202099-18636.6130.0233.31579.3601931317552.15686.18684.8811.0668TT4.61609.617327.1854887813625.9655035795960.606302320497478831551222.5WETL
2020-01-06 04:00:11FORECAST202099-18633.9830.0632.0281.4816432004282.15656.65654.8811.5365TT1.98606.987328.6403062203526.7781521727260.501905401755088831551222.5WETL
2020-01-06 00:00:13FORECAST202099-18634.1630.2532.20579.173628324512.09216.09214.8810.9721TT2.16610.167327.0571736475825.8943031072390.509137939701718831551222.5WETL
2020-01-05 20:00:11FORECAST202099-18633.5429.2431.3976.9030890195441.99636.32634.8811.2063TT1.54611.547325.4906642485225.0312375277340.48422804667428821551220WETL
2020-01-05 16:00:11FORECAST202099-18633.4629.0731.26577.0907427137541.83396.03394.8810.9139TT1.46611.467325.6204745998425.1023242297070.481016292558718821551220WETL
2020-01-05 12:00:11FORECAST202099-18634.2529.7732.0179.5615371511271.81356.08354.8810.9635TT2.25613.257327.3239005248926.0423926720630.512753230923938831551222.5WETL
2020-01-05 08:00:11FORECAST202099-18636.0630.2233.1480.5974297865961.86216.54214.8811.4221TT4.06620.067328.0348957245526.4387694757130.584840761488438831551222.5WETL
2020-01-05 04:00:12FORECAST202099-18634.3230.3232.3280.4468120011571.78186.53184.8811.4118TT2.32615.327327.931633903126.3810545018350.515564414921598831551222.5WETL
2020-01-05 00:00:12FORECAST202099-18635.0830.6932.88573.6847671953341.77396.57393.7310.3039TT3.08613.087323.2547174719223.8189486017120.546006641710318831551222.5WETL
2020-01-04 20:00:10FORECAST202099-18634.1230.132.1174.8385927069171.97526.33524.1310.4652TT2.12607.127324.0584466886824.252078104970.507530884930768831551222.5WETL
2020-01-04 16:00:10FORECAST202099-18634.0930.3332.2173.6091352169821.6766.0064.1310.136TT2.09610.097323.2019516099923.7906161584520.506325512204338831551222.5WETL
2020-01-04 12:00:11FORECAST202099-18633.9130.5532.2371.4212948724741.82356.04354.1310.1735TT1.91609.917321.6711736943522.9741717483990.499092448155158831551222.5WETL
2020-01-04 08:00:11FORECAST202099-18633.6329.5631.59569.6680020161361.7225.3024.219.512TT1.63609.637320.4382830057322.3242949464910.487842483230288821551220WETL
2020-01-04 04:00:11FORECAST202099-18635.5629.5532.55569.9079032854351.89155.49154.5110.0015TT3.56614.567320.6073025864722.4129843018190.565106255855268831551222.5WETL
2020-01-04 00:00:13FORECAST202099-18635.5829.5532.56571.3554893859481.81135.53134.39.8313TT3.58613.587321.6249993098722.9497092245110.565899101730948831551222.5WETL
2020-01-03 20:00:11FORECAST202099-18635.527.5731.53570.3822281533761.6475.0174.819.827TT3.5626.57320.9411795491722.5885553228430.56272615964888831551222.5WETL
2020-01-03 16:00:11FORECAST202099-18633.5727.7430.65569.4853695717331.43724.54724.829.3672TT1.57618.577320.3095424280722.2568269329670.485432729557848821551220WETL
2020-01-03 12:00:11FORECAST202099-18633.6127.7530.6867.168782145271.43724.24724.728.9672TT1.61623.617318.6713485683221.4047663879250.487039178337268821551220WETL
2020-01-03 08:00:12FORECAST202099-18635.6328.5332.0870.4024173817421.48843.94844.78.6484TT3.63620.637320.955381810622.5960347511460.567880050289138831551222.5WETL
2020-01-03 04:00:12FORECAST202099-18635.4628.1831.8272.6312163570141.44134.23134.839.0613TT3.46612.467322.5187771861323.4249310850060.561138161392258831551222.5WETL
2020-01-03 00:00:14FORECAST202099-18635.4728.1831.82569.832221504991.44133.78134.638.4113TT3.47618.477320.5539930099322.3849974441780.561535254248698831551222.5WETL
2020-01-02 20:00:11FORECAST202099-18631.0924.3227.70570.5578428245760.83683.28685.478.7568TT-0.91616.097321.0646926016922.6536321171110.387311996699428821551220WETL
2020-01-02 16:00:11FORECAST202099-18635.6424.1129.87567.9483903380580.71562.79565.588.3756TT3.64624.647319.2237313908221.6907387057150.568276036968558831551222.5WETL
2020-01-02 12:00:11FORECAST202099-18635.6424.1129.87570.2785859741740.71562.82565.678.4956TT3.64622.647320.8682602276622.5501676127940.568276036968558831551222.5WETL
2020-01-02 08:00:11FORECAST202099-18637.5828.1632.8772.1284655700230.22183.23185.879.1018TT5.58623.587322.1668943177423.2374037445980.643340707427628831551222.5WETL
2020-01-02 04:00:13FORECAST202099-18637.428.5132.95572.6783480974340.19563.03565.88.8356TT5.4618.47322.5517423715223.4425278115110.636557159425718831551222.5WETL
2020-01-02 00:00:14FORECAST202099-18636.9728.532.73568.2892217322460.19563.025658.0256TT4.97613.977319.4648803107721.8160080472080.620181378894928831551222.5WETL
2020-01-01 20:00:13FORECAST202099-18634.5826.630.5965.1436295795291.23122.91125.057.9612TT2.58614.587317.2313273153520.6656000776540.525998079880558831551222.5WETL
2020-01-01 16:00:12FORECAST202099-18634.5627.430.9869.1219723183580.7633.6935.148.833TT2.56617.567320.0532000915522.122708437130.525196031593718831551222.5WETL
2020-01-01 12:00:11FORECAST202099-18634.5727.430.98571.1818307838990.7633.6935.28.893TT2.57620.577321.5031095022622.8851799370880.525597068704988831551222.5WETL
2020-01-01 08:00:11FORECAST202099-18628.122.1225.1181.5390769042551.56963.82965.979.7996TT-3.9609.17328.6795833923926.8002298270910.278425688846428821551220WETL
2020-01-01 04:00:13FORECAST202099-18628.422.5125.45587.8478058122821.53034.68036.4611.1403TT-3.6608.47332.9592369733329.2497383930390.288660209041638821551220WETL
2020-01-01 00:00:13FORECAST202099-18628.4122.5125.4686.5746245266791.53034.68036.0110.6903TT-3.59269.417332.1010633477228.751524864240.289004386060158821251212.5WETL
2019-12-31 20:00:12FORECAST202099-18637.2828.4232.8578.8015130383860.45743.77748.2912.0674TT5.28268.287326.8010593507225.7524179393840.632010742217418831251215WETL
2019-12-31 16:00:11FORECAST202099-18637.4326.9732.268.2744940391850.13311.79318.2110.0031TT5.43266.437319.4544643202221.8105919200220.637690794986918831251215WETL
2019-12-31 12:00:11FORECAST202099-18634.5726.9730.7755.4976563827380.12321.78328.2410.0232TT2.57262.577310.2697949627817.2192464667870.525597068704988831251215WETL
2019-12-31 08:00:10FORECAST202099-18625.6923.9824.83553.2674969458350.04032.09039.4411.5303TT-6.31255.697308.6358600450616.4402597323250.203174150697768811251210WETL
2019-12-31 04:00:12FORECAST202099-18633.0532.4932.7754.4034938165570.09843.35849.212.5584TT1.05273.057309.4693090573716.8362116417170.4645798678688821251212.5WETL