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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Monday, March 9, 2020

[ Sunday, March 8, 2020 | Index | Today | Tuesday, March 10, 2020 ]

DAY 161 OF WATER YEAR 2020, FORECAST LAST UPDATED 03/09/2020 09:00:03 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): 36.83°F
MINIMUM TEMPERATURE (Tmin): 15.63°F
AVERAGE TEMPERATURE (Tavg): 26.23°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.574
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: 5
18-DAY CUMULATIVE DD32: -13

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: 0.01 in
DAY 1-3 (P3): 0.03 in
DAY 4-15 (P15): 4.67 in
18-DAY TOTAL (P18): 4.70 in

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

PRECIP THRESHOLD B (PB) EXCEEDED: False
P3 > (-0.67 * P15 + 4.5)
Snow at Paradise DEPTH: 189 in
SWE DAY: 68
CALCULATED SNOW DENSITY: 436.80 kg/m3
CALCULATED SWE: 82.56 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: -124

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 3
D1: 1
D2: 1
D3: 1
D4: 1
D5: 2
HSdry: 2.5

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
2020-03-09 09:00:03FORECAST2020161-12436.8315.6326.23190.962385856160.01150.03154.674.7015TF4.83-13.1769436.804842310483.4132948411190.57408168164117883111122.5WETL
2020-03-09 05:00:02FORECAST2020161-12436.5319.2227.875191.005584604460.00950.02954.674.6995TF4.53-13.4769436.8225174779783.435540319270.5612556978576883111122.5WETL
2020-03-09 01:00:03FORECAST2020161-12537.7517.3927.57190.967104997150.01480.20484.484.6848TF5.75-5.2568436.193454455783.2986012161110.61287349195901883112125WETL
2020-03-08 20:59:54FORECAST2020161-12537.2916.1426.715190.93682561340.00940.19944.484.6794TF5.29-5.7168436.1810171860883.2830188143330.59359240518327883112125WETL
2020-03-08 17:00:02FORECAST2020161-12537.3217.7227.52190.918380283370.00850.19854.484.6785TF5.32-5.6868436.1734402901683.2735267428210.59485736236567883112125WETL
2020-03-08 13:00:22FORECAST2020161-12536.7819.1827.98190.941183006130.00980.19984.484.6798TF4.78-6.2268436.182807045983.285261184280.57194907212644883112125WETL
2020-03-08 09:00:03FORECAST2020161-12536.6819.5228.1191.001298475250.00880.19884.484.6788TF4.68-6.3268436.2074982912583.3161985782680.56767760401951883112125WETL
2020-03-08 05:00:01FORECAST2020161-12536.2319.2927.76191.013465778940.00260.19264.484.6726TF4.23-6.7768436.2124953129483.3224605458020.5483650643042883112125WETL
2020-03-08 00:00:03FORECAST2020161-12536.5519.2927.92191.034131821320.00320.19324.484.6732TF4.55-6.4568436.2209823498883.3330966454510.56211292246152883112125WETL
2020-03-07 20:00:01FORECAST2020161-12536.7818.127.44189.963564398030.00160.37164.484.8516TF4.784.7868435.7807398034282.7824626290680.57194907212644883112125WETL
2020-03-07 16:00:02FORECAST2020161-12537.0718.0927.58190.007172674770.00250.37254.484.8525TF5.075.0768435.7986959525282.804878073290.58428701310032883112125WETL
2020-03-07 12:00:02FORECAST2020161-12537.1119.2128.16190.688726532630.00280.37284.484.8528TF5.115.1168436.0790743480283.1553633549540.58598258466883112125WETL
2020-03-07 08:00:02FORECAST2020161-12536.819.5528.175190.695069691760.00240.38244.484.8624TF4.82.868436.0816815249683.1586266497050.57280237175175883112125WETL
2020-03-07 04:00:03FORECAST2020161-12537.619.9228.76191.3833355550.00570.48574.484.9657TF5.60.668436.3643244181183.5128599243440.60661420161346883112125WETL
2020-03-07 00:00:02FORECAST2020161-12537.319.5928.445193.109758486570.00490.30494.484.7849TF5.3-0.768437.0711259749884.4026995784820.59401416679537883112125WETL
2020-03-06 20:00:02FORECAST2020161-12538.919.5329.215191.970643157020.00250.41254.484.8925TF6.93.968436.6051174414783.8153652008880.65978213483131883112125WETL
2020-03-06 16:00:02FORECAST2020161-12538.2819.2828.78191.821438518850.00440.39444.484.8744TF6.282.2868436.5439783577183.7384939053170.63474559272096883112125WETL
2020-03-06 12:00:02FORECAST2020161-12537.3919.628.495192.327174311040.00540.37544.484.8554TF5.391.3968436.751118215783.9991084436120.59780505723333883112125WETL
2020-03-06 08:00:02FORECAST2020161-12531.1219.925.51192.735078157250.01150.44154.484.9215TF-0.88-3.8868436.9179942043784.2094237612890.33209689937747882112124WETL
2020-03-06 04:00:03FORECAST2020161-12533.7417.3725.555192.890365059490.01140.55144.485.0314TF1.74-2.2668436.9814776120884.2895167408270.44068615297337882113126WETL
2020-03-05 23:59:56FORECAST2020161-12533.7415.5524.645196.867306045220.00970.68974.575.2597TF1.745.7468438.5988024191586.3457646669160.44068615297337882113126WETL
2020-03-05 20:00:03FORECAST2020161-12535.381726.19197.128349143610.02280.69284.575.2628TF3.385.3868438.7043919843486.4810725539240.51160882115029883113127.5WETL
2020-03-05 16:00:03FORECAST2020161-12536.2618.4927.375196.195349761780.0010.6314.575.201TF4.265.2668438.3266799207885.9976562769770.54965665500532883113127.5WETL
2020-03-05 11:59:55FORECAST2020161-12536.2618.4927.375196.123382428710.0010.5914.575.161TF4.265.2668438.2975077262385.9603897253420.54965665500532883113127.5WETL
2020-03-05 08:00:02FORECAST2020161-12535.1418.4626.8195.819427825440.01690.48694.655.1369TF3.146.1468438.1742398911885.8030289433380.50119906332626883112125WETL
2020-03-05 04:00:03FORECAST2020161-12533.9118.2426.075195.896565740550.05720.51724.675.1872TF1.91-0.09000000000000368438.2055319423485.8429587960160.44798888563565882113126WETL
2020-03-05 00:00:03FORECAST2020161-12533.9118.2426.075194.456583394270.05720.54724.595.1372TF1.913.9168437.6203711401385.0981621956440.44798888563565882113126WETL
2020-03-04 19:59:56FORECAST2020161-12534.4919.5527.02194.677796752530.04990.49994.645.1399TF2.493.4968437.7104040710285.2124970802080.47302213175488882113126WETL
2020-03-04 16:00:03FORECAST2020161-12528.6318.4423.535195.128255517890.01010.52014.675.1901TF-3.371.6368437.8935826290985.4454108808950.24043009024171881113124.5WETL
2020-03-04 12:00:03FORECAST2020161-12528.6318.4423.535195.286801895820.01010.56014.655.2101TF-3.371.6368437.9580054887485.5274182565660.24043009024171881113124.5WETL
2020-03-04 07:59:35FORECAST2020161-12536.7817.2927.035194.97482474740.00950.69954.585.2795TF4.789.7868437.8312137107885.3660641622030.57194907212644883113127.5WETL
2020-03-04 04:00:03FORECAST2020161-12537.4517.2127.33195.776790714850.01010.73014.625.3501TF5.4510.4568438.1569409324385.7809597251880.60032724115874883113127.5WETL
2020-03-04 00:00:02FORECAST2020161-12537.1417.2127.175196.03390811850.01010.72014.24.9201TF5.1411.1468438.2612315840785.9140620042540.58725321435466883113127.5WETL
2020-03-03 20:00:03FORECAST2020161-12533.2415.2924.265195.748787181690.0260.9264.585.506TF1.2410.2468438.1455781683985.7664655354810.41933318814237882113126WETL
2020-03-03 16:00:02FORECAST2020161-12534.0215.8224.92195.316293819160.01630.81634.635.4463TF2.0211.0268437.9699862124885.5426745110480.45272375300801882113126WETL
2020-03-03 12:00:03FORECAST2020161-12534.0515.8224.935196.65202627250.01630.82634.785.6063TF2.0515.0568438.5116710120986.2342086486690.45401627689895882113126WETL
2020-03-03 08:00:03FORECAST2020161-12534.6715.7925.23196.437481785010.02190.59194.895.4819TF2.671.6768438.424789787786.1230616580180.48081748133375882113126WETL
2020-03-03 04:00:14FORECAST2020161-12535.9616.8726.415196.050262713240.00970.54974.885.4297TF3.969.9668438.2678629478385.9225296696920.53671933120097883113127.5WETL
2020-03-03 00:00:03FORECAST2020161-1253616.8826.44194.82950183670.00970.53973.934.4697TF41768437.7721181834685.2909237036820.53844685667372883113127.5WETL
2020-03-02 20:00:02FORECAST2020161-12536.5820.0828.33195.602820440050.08470.54474.665.2047TF4.5815.5868438.086337352885.6909231824610.56339821182494883113127.5WETL
2020-03-02 16:00:02FORECAST2020161-12536.5521.1128.83196.803926390620.07830.62834.715.3383TF4.5513.5568438.5731553594386.3129189842590.56211292246152883113127.5WETL
2020-03-02 12:00:02FORECAST2020161-12528.921.1125.005197.153231753880.0720.6224.655.272TF-3.15.968438.7144531201786.4939722497760.24966181786837882113126WETL
2020-03-02 07:59:43FORECAST2020161-12523.1920.2521.72194.1298954063700.484.434.91TF-8.81-3.8168437.48731791484.9293672682590.097322933588126881112123WETL
2020-03-02 04:00:03FORECAST2020161-12518.9418.2318.585195.043663437110.00050.45054.344.7905TF-13.06-0.05999999999999968437.8591993348685.4016623079120.039165874238669881112123WETL
2020-03-02 00:00:03FORECAST2020161-12518.9418.9418.94193.865955165640.00050.45054.284.7305TF-13.064.9468437.3797398781484.7930410415730.039165874238669881112123WETL