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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Thursday, March 10, 2022

[ Wednesday, March 9, 2022 | Index | Today | Friday, March 11, 2022 ]

DAY 161 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/11/2022 07:00:05 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:
L
LOW

MODEL USED FOR HAZARD CLASS DETERMINATION:

WET

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 27.52°F
MINIMUM TEMPERATURE (Tmin): 13.66°F
AVERAGE TEMPERATURE (Tavg): 20.59°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.194
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: -4
18-DAY CUMULATIVE DD32: -238

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: 0.02 in
DAY 1-3 (P3): 0.67 in
DAY 4-15 (P15): 4.72 in
18-DAY TOTAL (P18): 5.39 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: 126 in
SWE DAY: 69
CALCULATED SNOW DENSITY: 407.97 kg/m3
CALCULATED SWE: 51.46 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: -123

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 1
D1: 1
D2: 1
D3: 3
D4: 1
D5: 2
HSdry: 4.5

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
2022-03-11 07:00:05OBSERVATION2022161-12327.5199813.6599820.58998126.13163750.0199999999999820.669999999999984.725.39TF-4.48002-238.4800269407.96814826103 51.4576905880060.1936320741152816 1113124.5WETL
2022-03-11 03:00:04OBSERVATION2022161-12327.5199813.6599820.58998126.13163750.0199999999999820.669999999999984.725.39TF-4.48002-238.4800269407.96814826103 51.4576905880060.1936320741152816 1113124.5WETL
2022-03-10 11:00:01FORECAST2022161-12332.5523.9528.25126.017589872180.00470.65474.725.3747TF0.55-233.4569407.9131206472651.4042283412060.39547988809666162113126WETL
2022-03-10 07:00:04FORECAST2022161-12328.4914.4121.45125.908204386870.00440.65444.725.3744TF-3.51-237.5169407.8603275238251.3529614791630.22694409482988161113124.5WETL
2022-03-10 03:00:05FORECAST2022161-12333.0513.7423.395125.902570459230.00440.65444.725.3744TF1.05-232.9569407.8576080031651.3503212289520.41859945112905162113126WETL
2022-03-09 23:00:02FORECAST2022161-12332.8214.6923.755123.020276659030.00380.57384.725.2938TF0.82-229.1869406.4611973196250.0029689454230.40792433716503162113126WETL
2022-03-09 19:00:01FORECAST2022161-12332.7514.8323.79123.020929988310.00390.57394.725.2939TF0.75-229.2569406.461515003750.0032735802110.40468852118869162113126WETL
2022-03-09 15:00:02FORECAST2022161-12332.815.123.95123.03615654580.00860.57864.725.2986TF0.8-229.269406.4689188312350.0103735283190.40699916703541162113126WETL
2022-03-09 11:00:02FORECAST2022161-12332.7614.7823.77123.432476494290.01220.58224.725.3022TF0.76-229.2469406.6615264792950.1952393082880.40515038736996162113126WETL
2022-03-09 07:00:06FORECAST2022161-12332.6314.5623.595123.797709597430.00790.58794.725.3079TF0.63-230.3769406.8388546312650.3657183785930.39915665601827162113126WETL
2022-03-09 03:00:05FORECAST2022161-12332.7914.4223.605123.887866999890.00810.59814.725.3181TF0.79-231.2169406.8826025864450.4078177537980.40653677611536162113126WETL
2022-03-08 23:00:02FORECAST2022161-12332.1715.1823.675121.757056344010.00640.42644.725.1464TF0.17-228.8369405.8459641982649.4146099298750.37814717508559162112124WETL
2022-03-08 19:00:02FORECAST2022161-12332.0815.3523.715121.931807387910.00630.45634.725.1763TF0.079999999999998-228.9269405.931191855849.4959238981070.37407628672171162112124WETL
2022-03-08 15:00:02FORECAST2022161-12332.1115.4123.76122.168815498170.00650.50654.725.2265TF0.11-228.8969406.0467224152749.606247114390.37543171581365162113126WETL
2022-03-08 11:00:02FORECAST2022161-12332.2315.3723.8123.446968082870.00640.53644.725.2564TF0.23-227.7769406.668565576950.2020014350760.38086866486286162113126WETL
2022-03-08 07:00:06FORECAST2022161-12332.3915.7824.085124.129497593350.00850.61854.725.3385TF0.39-229.6169406.9998019613250.5206809380510.38815449299868162113126WETL
2022-03-08 03:00:06FORECAST2022161-12332.4415.2523.845124.255170956830.00580.64584.725.3658TF0.44-229.5669407.0607295541850.5794005405690.39043954341811162113126WETL
2022-03-07 23:00:02FORECAST2022161-12332.4415.9724.205125.064611600220.00580.68584.75.3858TF0.44-224.5669407.4526880639450.957912178180.39043954341811162113126WETL
2022-03-07 19:00:03FORECAST2022161-12332.7215.9124.315124.564760799350.00590.59594.75.2959TF0.72-224.2869407.2107385912350.7241082475450.40330372149253162113126WETL
2022-03-07 15:00:03FORECAST2022161-12332.2615.9524.105124.673844935670.00590.63594.75.3359TF0.26-224.7469407.2635662527150.7751147069370.3822316318755162113126WETL
2022-03-07 11:00:03FORECAST2022161-12333.0314.8523.94124.809341607380.00610.66614.75.3661TF1.03-223.9769407.3291646936350.8384848628950.41766867669361162113126WETL
2022-03-07 07:00:06FORECAST2022161-12333.314.5723.935124.749658285870.00610.66614.75.3661TF1.3-225.769407.3002727966450.8105698511240.43027095161897162113126WETL
2022-03-07 03:00:06FORECAST2022161-12333.1515.7824.465124.910298401750.00840.69844.715.4084TF1.15-225.8569407.3780265569450.8857108595430.42326006012109162113126WETL
2022-03-06 23:00:03FORECAST2022161-12332.2516.0824.165125.931203138480.00850.68854.75.3885TF0.25-222.7569407.8714287146351.3637397438440.38177714649579162113126WETL
2022-03-06 19:00:02FORECAST2022161-12333.7718.2826.025126.379310354480.0120.8024.75.502TF1.77-222.2369408.087594734151.5738287867140.4523711118175162113126WETL
2022-03-06 15:00:02FORECAST2022161-12333.8717.9925.93126.372873508470.01520.78524.75.4852TF1.87-220.1369408.0844913539551.5708098066430.4570947677764162113126WETL
2022-03-06 11:00:03FORECAST2022161-12332.2816.5324.405126.6375867420.01440.88444.75.5844TF0.28-220.7269408.2120750170851.6949920591070.3831410888278162113126WETL
2022-03-06 07:00:06FORECAST2022161-12331.0716.6123.84127.230855355040.01430.96434.75.6643TF-0.93-225.9369408.4977009239651.9735118991220.32944590605851162113126WETL
2022-03-06 03:00:07FORECAST2022161-12331.1216.6623.89127.651157060890.01431.16434.75.8643TF-0.88-221.8869408.6997925495252.1710014094940.33160527145507162114128WETL
2022-03-05 23:00:02FORECAST2022161-12332.9915.4424.215129.822801713320.01471.45474.76.1547TT0.99-215.0169409.7405436026753.1936653460390.41580851570643162114128WETL
2022-03-05 19:00:02FORECAST2022161-12328.8213.7521.285128.64598697990.0151.3054.76.005TF-3.18-216.1869409.1772729791752.6390141321510.23897238069969161114126WETL
2022-03-05 15:00:02FORECAST2022161-12328.8713.7821.325128.736806527480.0151.4154.76.115TT-3.13-217.1369409.2208028284352.6817793207420.24082472934435161114126WETL
2022-03-05 11:00:03FORECAST2022161-12330.3216.7423.53129.497623585140.09991.57994.726.2999TT-1.68-213.6869409.5850686408753.040293044950.297768916079541621151210WETL
2022-03-05 07:00:06FORECAST2022161-12331.9721.6426.805126.998949094840.07971.02974.735.7597TF-0.030000000000001-211.0369408.3861021687351.8646058003690.36911979670051162114128WETL
2022-03-05 03:00:05FORECAST2022161-12332.0221.7326.875125.832278083770.07970.90974.725.6297TF0.020000000000003-207.9869407.8236743047751.3173819942620.37137010733525162113126WETL
2022-03-04 23:00:03FORECAST2022161-12330.7117.9624.3353.2791160604990.03390.81394.765.5739TF-1.29-209.2969338.411927743651.10969198732870.314069508405991621134224WETL
2022-03-04 19:00:03FORECAST2022161-12330.7920.9425.8654.12259601300660.10920.86924.785.6492TF-1.21-206.2169338.967270024361.39742511594220.317459939691911621134224WETL
2022-03-04 15:00:03FORECAST2022161-12330.8420.4425.643.95720756258080.10920.84924.795.6392TF-1.16-204.1669338.858472987111.34093331194920.319586779959161621134224WETL
2022-03-04 11:00:03FORECAST2022161-12336.0922.0729.083.27389566596180.08560.89564.725.6156TF4.09-193.9169338.408486960351.10791407878420.562302261018761631134230WETL
2022-03-04 07:00:06FORECAST2022161-12336.9325.1731.05NAN0.11660.65664.735.3866TF4.93-200.0769NANNAN0.601377632049981631135237.5WETL
2022-03-04 03:00:07FORECAST2022161-1233726.1231.56NAN0.11660.65664.745.3966TF5-19269NANNAN0.604594145923621631135237.5WETL
2022-03-03 23:00:02FORECAST2022161-12336.2422.8729.555131.830950736750.6751.6454.836.475TT4.24-160.7669410.6978447355954.1426873370260.569336370446411631151212.5WETL
2022-03-03 19:00:03FORECAST2022161-12334.4521.9528.2133.764531811380.56191.52194.836.3519TT2.45-169.5569411.6149958748855.0594872097450.484590626606371621151210WETL
2022-03-03 15:00:03FORECAST2022161-12333.4721.9927.73132.157760349810.27941.23944.836.0694TF1.47-168.5369410.8531760950454.2974355853280.43824316675092162114128WETL
2022-03-03 11:00:04FORECAST2022161-12326.8721.524.185128.695929441060.00290.74294.835.5729TF-5.13-175.1369409.2012116655452.6625302637030.17307318373159161113124.5WETL
2022-03-03 07:00:06FORECAST2022161-12319.7219.1519.435128.13291674650.00310.65312.623.2731FF-12.28-188.2869408.9311694986352.3975434964170.036240884785042161113124.5DRYL
2022-03-03 03:00:06FORECAST2022161-12319.2218.9319.075128.39757202280.0030.6532.643.293FF-12.78-182.7869409.0581562710852.5220740813280.031731425522354161113124.5DRYL