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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Saturday, March 12, 2022

[ Friday, March 11, 2022 | Index | Today | Sunday, March 13, 2022 ]

DAY 163 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/14/2022 04:00:04 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): 42.73°F
MINIMUM TEMPERATURE (Tmin): 29.42°F
AVERAGE TEMPERATURE (Tavg): 36.08°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.803
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: 11
18-DAY CUMULATIVE DD32: -181

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: 0.25 in
DAY 1-3 (P3): 0.33 in
DAY 4-15 (P15): 4.18 in
18-DAY TOTAL (P18): 4.51 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: 71
CALCULATED SNOW DENSITY: 409.14 kg/m3
CALCULATED SWE: 51.38 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: -121

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 4
D1: 1
D2: 1
D3: 2
D4: 1
D5: 2
HSdry: 6.0

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
2022-03-14 04:00:04OBSERVATION2022164-12142.7299829.4200636.07502125.583738333330.250.334.184.51TF10.72998-181.2700271409.14365628575 51.3817898717330.8031780996960216 4112126WETL
2022-03-13 04:00:05OBSERVATION2022163-12142.7299829.4200636.07502125.583738333330.250.334.184.51TF10.72998-181.2700271409.14365628575 51.3817898717330.8031780996960216 4112126WETL
2022-03-12 11:00:01FORECAST2022163-12143.232936.115126.555961209190.28290.36294.184.5429TF11.23-180.7771409.6092048433551.8384866390820.81991942741324164112126WETL
2022-03-12 07:00:05FORECAST2022163-12140.7828.9734.875126.98057836840.37930.45934.184.6393TF8.78-183.2271409.812172187252.0381866467420.72945943205188164112126WETL
2022-03-12 03:00:06FORECAST2022163-12137.1729.0233.095127.224968845750.42710.50714.184.6871TF5.17-186.8371409.9288918165152.1531904903260.56495396304438163113127.5WETL
2022-03-11 23:00:02FORECAST2022163-12141.2328.534.865127.180210431790.42350.46354.184.6435TF9.23-176.7771409.9075208485152.1321247590850.74760908542115164112126WETL
2022-03-11 19:00:01FORECAST2022163-12140.9628.1434.55127.369038927870.45370.49374.184.6737TF8.96-177.0471409.9976650053852.2210085544040.73679672326485164113129WETL
2022-03-11 15:00:02FORECAST2022163-12140.9528.7334.84127.132932559140.40810.44814.184.6281TF8.95-177.0571409.8849442663752.1098749764210.736391775161164112126WETL
2022-03-11 11:00:02FORECAST2022163-12140.828.5134.655126.865392548510.36860.40864.184.5886TF8.8-177.271409.7571349077451.9839997696220.73027969920269164112126WETL
2022-03-11 07:00:06FORECAST2022163-12140.4228.634.51127.561813107860.46430.52434.184.7043TF8.42-181.5871410.0896481890352.3117790597590.71448525008632164113129WETL
2022-03-11 03:00:05FORECAST2022163-12139.428.3333.865127.753787953370.45610.52614.184.7061TF7.4-179.671410.1812052175952.4022027138250.67005081062025163113127.5WETL
2022-03-10 23:00:02FORECAST2022163-12138.7228.0533.385127.361412153140.46980.51984.184.6998TF6.72-175.2871409.9940249246252.217417988750.63898043229386163113127.5WETL
2022-03-10 19:00:02FORECAST2022163-12138.0827.732.89127.790498923980.55910.59914.184.7791TF6.08-175.9271410.1987084029952.419497604790.60887084846817163113127.5WETL
2022-03-10 15:00:02FORECAST2022163-12138.9228.3433.63127.910420799860.51170.56174.184.7417TF6.92-179.0871410.2558738033452.4760014538010.64822557597647163113127.5WETL
2022-03-10 11:00:02FORECAST2022163-12139.6528.3834.015127.655685225730.5010.5514.184.731TF7.65-175.3571410.1344234457552.3559908596250.68119871813118163113127.5WETL
2022-03-10 07:00:05FORECAST2022163-12139.8328.7834.305127.481457438020.48930.52934.184.7093TF7.83-179.1771410.0513115452352.2739388201590.68912570351245163113127.5WETL
2022-03-10 03:00:06FORECAST2022163-12137.8628.7233.29127.064783182890.45910.49914.184.6791TF5.86-176.1471409.8523961531452.0778058541870.59835761059115163113127.5WETL
2022-03-09 23:00:03FORECAST2022163-12133.7328.0530.89124.802679180170.52090.55094.14.6509TF1.73-176.2771408.768812714751.0154429920930.39627467940061162113126WETL
2022-03-09 19:00:02FORECAST2022163-12138.2528.733.475124.079485658970.38860.40864.14.5086TF6.25-171.7571408.4210761706250.6766770635340.61694102021875163112125WETL
2022-03-09 15:00:02FORECAST2022163-12137.527.9432.72124.557550128390.41950.45954.14.5595TF5.5-172.571408.6510177138450.9005696239090.58100295115854163112125WETL
2022-03-09 11:00:03FORECAST2022163-12135.2428.2231.73124.700977021860.44310.49314.14.5931TF3.24-174.7671408.7199493768350.9677770156160.46980149158362162113126WETL
2022-03-09 07:00:06FORECAST2022163-12133.2227.2230.22125.357382707320.46380.52384.114.6338TF1.22-178.7871409.0351008888751.2755696828550.37212157861386162113126WETL
2022-03-09 03:00:06FORECAST2022163-12133.1227.8130.465125.422956285710.50540.57544.124.6954TF1.12-179.8871409.066555019451.3063366481460.36744079486551162113126WETL
2022-03-08 23:00:03FORECAST2022163-12134.8827.1331.005124.464516669320.74050.81053.954.7605TF2.88-176.1271408.6062919514750.8569846357810.45208034158675162113126WETL
2022-03-08 19:00:02FORECAST2022163-12134.8728.1331.5124.821866508350.93280.98283.984.9628TF2.87-176.1371408.7780299523851.0244366862610.45158928257858162113126WETL
2022-03-08 15:00:03FORECAST2022163-12134.9128.1731.54125.140150326020.93430.98434.035.0143TF2.91-176.0971408.9308621012651.1736695563010.4535539555298162113126WETL
2022-03-08 11:00:03FORECAST2022163-12136.6628.1232.39124.453560305140.39880.47884.064.5388TF4.66-173.3471408.6010239923350.8518521801720.53994853098476163112125WETL
2022-03-08 07:00:06FORECAST2022163-12133.8528.4831.165124.673661616890.18340.28344.144.4234TF1.85-177.1571408.7068233960650.9549762005960.40201996029143162112124WETL
2022-03-08 03:00:06FORECAST2022163-12140.1927.2533.72124.553436327030.22260.26264.174.4326TF8.19-170.8171408.649040230450.8986422124370.70471655786663164112126WETL
2022-03-07 23:00:03FORECAST2022163-12140.1526.7833.465125.451960661890.25260.27264.194.4626TF8.15-164.8571409.080466077551.3199465379010.70300209211642164112126WETL
2022-03-07 19:00:03FORECAST2022163-1214228.135.05124.560405583930.11750.15754.14.2575TF10-16271408.6523903046850.9019074791950.77711390254251164112126WETL
2022-03-07 15:00:04FORECAST2022163-12142.128.1135.105124.173284512640.11750.15754.144.2975TF10.1-162.971408.4662139742450.7205914016250.78079631661105164112126WETL
2022-03-07 11:00:04FORECAST2022163-12141.3828.4334.905124.266556274050.310.334.174.5TF9.38-161.6271408.5110874686850.7642660394990.75351334343349164112126WETL
2022-03-07 07:00:06FORECAST2022163-12141.4728.4734.97124.159258285870.310.334.174.5TF9.47-162.5371408.4594649692750.714024210430.75702010608957164112126WETL
2022-03-07 03:00:06FORECAST2022163-12142.3328.3535.34124.432457068420.15770.17774.214.3877TF10.33-166.6771408.5908768747850.8419667452680.78913209011534164112126WETL
2022-03-06 23:00:03FORECAST2022163-12138.5128.4433.475127.434886669070.42320.44324.194.6332TF6.51-166.4971410.0290896559552.2520105713270.62918499930312163112125WETL
2022-03-06 19:00:03FORECAST2022163-12138.4728.4833.475127.849511562640.42320.44324.34.7432TF6.47-165.5371410.2268412356852.4473012818640.62730944953336163112125WETL
2022-03-06 15:00:02FORECAST2022163-12135.829.1632.48128.247291371290.51840.56844.284.8484TF3.8-164.271410.4163630635352.6347868973550.49747404984156162113126WETL
2022-03-06 11:00:03FORECAST2022163-12136.032731.515128.709880385410.90330.94334.385.3233TF4.03-167.9771410.6365224889452.8529776914340.50885068332642163113127.5WETL
2022-03-06 07:00:07FORECAST2022163-12136.127.0331.565129.585487592680.98891.09894.465.5589TF4.1-172.971411.0525415918653.2664440283930.512312134182371631141210WETL
2022-03-06 03:00:08FORECAST2022163-12136.328.1632.23128.954483510681.03211.14214.665.8021TF4.3-168.771410.7528316431252.9684192550890.522195996567811631141210WETL
2022-03-05 23:00:03FORECAST2022163-12131.5126.3528.93136.219474760131.28121.38124.956.3312TT-0.49-162.4971414.1746046771156.4186471080990.29519237473969162114128WETL
2022-03-05 19:00:02FORECAST2022163-12129.8526.528.175134.386352446460.99141.01144.85.8114TF-2.15-164.1571413.3171605910955.5441856153640.22839530697671161114126WETL
2022-03-05 15:00:03FORECAST2022163-12132.227.2729.735132.826675031960.7020.7224.915.632TF0.2-162.871412.5844704420254.8022233786360.32537617621029162113126WETL
2022-03-05 11:00:03FORECAST2022163-12134.1931.0932.64130.314321202840.37480.63485.015.6448TF2.19-164.8171411.3981206162253.6110668322260.41840963049396162113126WETL
2022-03-05 07:00:06FORECAST2022163-12134.8533.1934.02127.33971935290.39620.97624.495.4662TF2.85-159.1571409.9836710741552.2072056138520.45060738748487162113126WETL
2022-03-05 03:00:06FORECAST2022163-12132.2931.9632.125126.271571452880.15940.73944.365.0994TF0.29-158.7171409.4731438551351.704817342340.3294047963127162113126WETL