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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Saturday, March 5, 2022

[ Friday, March 4, 2022 | Index | Today | Sunday, March 6, 2022 ]

DAY 156 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/06/2022 07:00:04 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): 30.27°F
MINIMUM TEMPERATURE (Tmin): 18.04°F
AVERAGE TEMPERATURE (Tavg): 24.15°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.295
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: -2
18-DAY CUMULATIVE DD32: -229

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): 0.01 in
DAY 4-15 (P15): 6.44 in
18-DAY TOTAL (P18): 6.45 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: 123 in
SWE DAY: 64
CALCULATED SNOW DENSITY: 402.80 kg/m3
CALCULATED SWE: 49.56 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: -128

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: 1
D3: 1
D4: 1
D5: 2
HSdry: 2.0

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
2022-03-06 07:00:04OBSERVATION2022156-12830.2700218.0399224.15497123.0443733333300.016.446.45TF-1.72998-228.7299864402.80102698079 49.5623999428740.2949405792031116 2111122WETL
2022-03-06 03:00:05OBSERVATION2022156-12830.2700218.0399224.15497123.0443733333300.016.446.45TF-1.72998-228.7299864402.80102698079 49.5623999428740.2949405792031116 2111122WETL
2022-03-05 11:00:01FORECAST2022156-12836.3421.6629123.93262748260.00190.01196.446.4519TF4.34-222.6664403.2407063791749.9746802495090.64235791147609163111122.5WETL
2022-03-05 07:00:04FORECAST2022156-12835.4119.0627.235123.94478833740.00870.01876.446.4587TF3.41-223.5964403.2467190337649.9803292383880.5895153827793163111122.5WETL
2022-03-05 03:00:04FORECAST2022156-12835.0120.0227.515123.989590883680.01420.02426.446.4642TF3.01-223.9964403.268869018550.0011420857270.5662134430411163111122.5WETL
2022-03-04 23:00:01FORECAST2022156-12835.9520.5228.23500.01330.03336.446.4733TF3.95-219.0564331.222598980400.62046422897971631115212.5WETL
2022-03-04 19:00:01FORECAST2022156-12836.0819.922800.01340.03346.446.4734TF4.08-218.9264331.222598980400.627809120108571631115212.5WETL
2022-03-04 15:00:01FORECAST2022156-12836.320.7728.53500.01580.03586.446.4758TF4.3-218.764331.222598980400.640132435829341631115212.5WETL
2022-03-04 11:00:02FORECAST2022156-12836.3921.3928.890.0550503394295170.01720.03726.446.4772TF4.39-218.6164331.259885304380.0182359691253890.645132959857521631114210WETL
2022-03-04 07:00:05FORECAST2022156-12836.1621.4228.79NAN0.01640.04646.446.4864TF4.16-218.8464NANNAN0.63230625067681631115212.5WETL
2022-03-04 03:00:06FORECAST2022156-12836.2921.4328.86NAN0.01640.05646.446.4964TF4.29-217.7164NANNAN0.639575320691631631115212.5WETL
2022-03-03 23:00:01FORECAST2022156-12835.7621.8628.81123.26850894660.01650.14656.446.5865TF3.76-193.2464402.9120660852949.6663696229260.60965144729895163112125WETL
2022-03-03 19:00:02FORECAST2022156-12835.1721.9928.58123.310968374540.01710.14716.446.5871TF3.17-193.8364402.9330938047549.6860699872120.575566620904163112125WETL
2022-03-03 15:00:02FORECAST2022156-12835.9921.8428.915123.272020479210.01570.14576.446.5857TF3.99-193.0164402.9138052320249.6679988499160.62272896740333163112125WETL
2022-03-03 11:00:03FORECAST2022156-12836.521.6129.055123.617872664090.01560.14566.446.5856TF4.5-192.564403.0850184783949.8285124870630.65121086477455163112125WETL
2022-03-03 07:00:05FORECAST2022156-12837.0520.6228.835123.338938308010.01520.13524.244.3752TF5.05-188.9564402.9469444696949.699048325350.68099552808974163112125WETL
2022-03-03 03:00:05FORECAST2022156-12836.3422.3229.33123.431940820740.01540.15544.244.3954TF4.34-187.6664402.9929920856849.7422071502940.64235791147609163112125WETL
2022-03-02 23:00:03FORECAST2022156-12836.7422.9629.85125.797517683650.01540.22544.34.5254TF4.74-182.2664404.160592243250.8423992497480.66433611860176163112125WETL
2022-03-02 19:00:02FORECAST2022156-12835.8921.4328.66125.835621068920.01760.22764.34.5276TF3.89-184.1164404.179341939250.8601585161470.61705938328098163112125WETL
2022-03-02 15:00:02FORECAST2022156-12837.7722.6930.23125.870539409080.01730.23734.34.5373TF5.77-182.2364404.1965227630250.8764343474570.71826450437946164112126WETL
2022-03-02 11:00:03FORECAST2022156-12831.5921.6926.64126.638508244770.01720.25724.34.5572TF-0.41-186.4164404.5740003957551.2346478847370.36599963976326162112124WETL
2022-03-02 07:00:06FORECAST2022156-12831.8423.3727.605126.762293122470.02290.21294.274.4829TF-0.16-185.1664404.6347751624951.2924319766930.38009014454094162112124WETL
2022-03-02 03:00:06FORECAST2022156-12838.1621.5529.855126.756136021760.04160.22164.244.4616TF6.16-177.8464404.6317526570951.2895574785260.73753623541495164112126WETL
2022-03-01 23:00:02FORECAST2022156-12837.5421.3829.46130.409087635260.04410.19414.384.5741TF5.54-173.4664406.4166979189853.0004307753470.70658847844602164112126WETL
2022-03-01 19:00:02FORECAST2022156-12837.8621.7629.81130.566033751230.04630.22634.324.5463TF5.86-178.1464406.4930162098453.0741808740920.72277168800989164112126WETL
2022-03-01 15:00:03FORECAST2022156-12839.9524.3632.155130.765949734840.03180.24184.424.6618TF7.95-173.0564406.5901854383553.1681517517110.8165684780429164112126WETL
2022-03-01 11:00:03FORECAST2022156-12838.8322.9930.91131.709551392140.04220.32224.384.7022TF6.83-181.1764407.0481578523553.6121302657290.76899601159692164112126WETL
2022-03-01 07:00:06FORECAST2022156-12840.3823.2531.815132.403596162480.04760.39764.524.9176TF8.38-184.6264407.3843091654353.939147553670.83308450123558164112126WETL
2022-03-01 03:00:06FORECAST2022156-12840.1122.5531.33132.039384440840.03480.32484.654.9748TF8.11-179.8964407.2079819767653.7674912796090.82282912482279164112126WETL
2022-02-28 23:00:03FORECAST2022156-12833.0124.0128.512.99215681023410.18870.53876.126.6587TT1.01-180.9964333.241685780840.997111379563020.447871547695021621134224WETL
2022-02-28 19:00:03FORECAST2022156-12833.3624.3528.8554.1780795989740.25230.68235.996.6723TT1.36-186.6464334.037701670151.39563610663620.468544645583751621134224WETL
2022-02-28 15:00:03FORECAST2022156-12833.0424.3328.6854.27261692811270.26160.74166.186.9216TT1.04-184.9664334.101053949451.42748581880470.449638796359061621134224WETL
2022-02-28 11:00:03FORECAST2022156-12830.9622.1926.5754.47825840917970.25780.72786.26.9278TT-1.04-189.0464334.238807905021.49680775217490.331320117791621134224WETL
2022-02-28 07:00:04FORECAST2022156-12831.1923.3827.285NAN0.24450.83457.38.1345TT-0.81-187.8164NANNAN0.34383286508581621135230WETL
2022-02-28 03:00:05FORECAST2022156-12831.2123.1727.19NAN0.24450.65458.379.0245TT-0.79-186.7964NANNAN0.3449293001441621135230WETL
2022-02-27 23:00:02FORECAST2022156-12832.8821.1627.024.77551947651660.18790.67799.9710.6479TT0.88-152.1264334.437808335351.5971142673890.44022586292211621134224WETL
2022-02-27 19:00:02FORECAST2022156-12833.1122.2727.694.25270178678550.1320.5729.9310.502TT1.11-151.8964334.087709484981.42077539906980.453766202998831621134224WETL
2022-02-27 15:00:03FORECAST2022156-12833.1522.327.7255.45071554979440.13220.79229.710.4922TT1.15-150.8564334.889258245511.82538608737790.456126994043621621134224WETL
2022-02-27 11:00:03FORECAST2022156-12834.1122.2928.28.07241477399760.11280.77289.8310.6028TT2.11-151.8964336.634858763112.7174562073220.513058927951331631133222.5WETL
2022-02-27 07:00:06FORECAST2022156-12834.1422.9228.53NAN0.11280.57289.9610.5328TT2.14-148.8664NANNAN0.514839808161871631135237.5WETL
2022-02-27 03:00:07FORECAST2022156-12832.2420.9426.59NAN0.17850.568510.0410.6085TT0.24-153.7664NANNAN0.402962194618561621135230WETL
2022-02-26 23:00:04FORECAST2022156-12831.3720.0425.7056.13815761540830.0780.54810.210.748TT-0.63-114.6364335.348101340192.0584195020540.35374699480691621134224WETL
2022-02-26 19:00:04FORECAST2022156-12832.3122.8727.597.75296073118980.05070.51079.9910.5007TT0.31-110.6964336.422778730212.60827259257310.407001620443921621133218WETL
2022-02-26 15:00:03FORECAST2022156-12831.6322.7727.25.47835033552160.04380.52389.369.8838TT-0.37-112.3764334.907718941151.834741814430.368242578229381621134224WETL
2022-02-26 11:00:04FORECAST2022156-12826.1922.5324.368.0628825633330.04080.76089.7610.5208TT-5.81-125.8164336.628532983242.7141963289110.125735754219081611133213.5WETL
2022-02-26 07:00:07FORECAST2022156-12824.322.2823.29NAN0.09141.05149.4110.4614TT-7.7-128.764NANNAN0.0765477695037441611145230WETL
2022-02-26 03:00:08FORECAST2022156-12824.3122.7723.54NAN0.05571.01578.849.8557TT-7.69-128.6964NANNAN0.0767625774753661611145230WETL