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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Thursday, June 2, 2022

[ Wednesday, June 1, 2022 | Index | Today | Friday, June 3, 2022 ]

DAY 245 OF WATER YEAR 2022, FORECAST LAST UPDATED 06/03/2022 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:

DRY

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 58.65°F
MINIMUM TEMPERATURE (Tmin): 43.54°F
AVERAGE TEMPERATURE (Tavg): 51.10°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.737
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: 27
18-DAY CUMULATIVE DD32: 230

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: 0.28 in
DAY 1-3 (P3): 0.37 in
DAY 4-15 (P15): 3.45 in
18-DAY TOTAL (P18): 3.82 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: 143 in
SWE DAY: 152
CALCULATED SNOW DENSITY: 465.13 kg/m3
CALCULATED SWE: 66.48 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: -40

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: 2
D3: 2
D4: 1
D5: 2
HSdry: 7.0

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
2022-06-03 04:00:04OBSERVATION2022245-4058.6500843.5399851.09503142.928098095240.280000000000090.370000000000093.453.8200000000001TF26.65008229.65008152465.132122319 66.4804496060560.7374491780082116 4122127DRYL
2022-06-03 00:00:02FORECAST2022245-3945.5545.5545.55144.925926666670.00170.09173.453.5417FF13.55216.55153466.3051560674567.579706852520.26479097276245162122125DRYL
2022-06-02 12:00:01FORECAST2022245-3957.6844.2450.96144.7996840.26920.35923.453.8092TF25.68228.68153466.26295257667.5147281939120.70605007464596164122127DRYL
2022-06-02 08:00:02FORECAST2022245-3951.5845.2348.405144.500657333330.31820.40823.453.8582TF19.58222.58153466.1629326085867.3608501863750.48135464206735162122125DRYL
2022-06-02 04:00:05FORECAST2022245-3949.0444.6846.86143.956401833330.35680.44683.453.8968TF17.04220.04153465.9806921685567.0809037683910.38519874919737162122125DRYL
2022-06-02 00:00:02FORECAST2022245-4052.3643.3647.86145.00330.270.273.453.72TF20.36216.36152465.8301023598367.5469020815130.51137353903325163122126DRYL
2022-06-01 20:00:02FORECAST2022245-4051.2342.8447.035146.092953333330.30940.48943.453.9394TF19.23222.23152466.1951294072468.1078232847190.46790877849789162122125DRYL
2022-06-01 16:00:02FORECAST2022245-4052.243.9148.055145.9739440.24290.42293.453.8729TF20.2223.2152466.1553111528768.0465292855320.50521549953497163122126DRYL
2022-06-01 12:00:02FORECAST2022245-4052.3145.0248.665144.898814666670.22170.40173.453.8517TF20.31223.31152465.7950473154767.4931502336160.50944937390832163122126DRYL
2022-06-01 08:00:02FORECAST2022245-4051.7844.8348.305144.630729333330.26850.44853.453.8985TF19.78220.78152465.7050615649567.3552627083630.48904851479239162122125DRYL
2022-06-01 04:00:07FORECAST2022245-4051.744.8248.26144.654463750.28970.53973.453.9897TF19.7218.7152465.713030751967.3674687248030.48597031602059162123127.5DRYL
2022-06-01 00:00:02FORECAST2022245-4049.8644.5247.19144.2516160.35690.57693.454.0269TF17.86209.86152465.5777034212167.1603360920790.41576967484495162123127.5WETL
2022-05-31 20:00:02FORECAST2022245-4051.1744.847.985145.283705333330.2970.6173.454.067TF19.17217.17152465.924132953567.6911844397050.46560701788149162123127.5WETL
2022-05-31 16:00:02FORECAST2022245-4048.7543.8146.28145.282830666670.32720.66723.454.1172TF16.75215.75152465.9238397485567.6907343137510.37454513529592162123127.5WETL
2022-05-31 12:00:03FORECAST2022245-4050.1344.5647.345144.0304720.28870.61873.454.0687TF18.13218.13152465.5033563464167.0466681321580.42595824897965162123127.5WETL
2022-05-31 08:00:03FORECAST2022245-4051.2645.0748.165143.7583960.26390.60393.454.0539TF19.26218.26152465.4118289729966.9068580125830.46906006611919162123127.5WETL
2022-05-31 04:00:05FORECAST2022245-4050.1144.3647.235144.086711583330.32520.64523.454.0952TF18.11218.11152465.5222676631267.0755727163960.42520175451443162123127.5WETL
2022-05-31 00:00:02FORECAST2022245-4050.4543.7847.115144.653053333330.38270.72273.384.1027TF18.45216.45152465.7125571967467.3667433741830.43809737075613162123127.5WETL
2022-05-30 20:00:03FORECAST2022245-4051.0343.7447.385144.670874666670.44290.79293.394.1829TF19.03216.03152465.7185406827867.3759086290610.46024084754215162123127.5WETL
2022-05-30 16:00:03FORECAST2022245-4052.7543.6648.205144.471341333330.39760.70763.394.0976TF20.75217.75152465.6515322015367.2733014510760.52636946508214163123129WETL
2022-05-30 12:00:02FORECAST2022245-4051.7943.9147.85144.212705202190.40040.73043.394.1204TF19.79216.79152465.5646249089667.1403340045620.48943333927492162123127.5WETL
2022-05-30 08:00:03FORECAST2022245-4048.3643.5745.965144.538691340370.43350.75353.394.1435TF16.36211.36152465.6741538820467.3079327931420.36036880546864162123127.5WETL
2022-05-30 04:00:06FORECAST2022245-4053.4444.0548.745144.286689650080.32810.63813.44.0381TF21.44219.44152465.58949110267.1783664069710.55279618584132163123129WETL
2022-05-30 00:00:03FORECAST2022245-4053.0544.148.575146.078197231720.20290.51293.273.7829TF21.05217.05152466.1901929505868.1002229533260.53788052960589163123129DRYL
2022-05-29 20:00:03FORECAST2022245-4053.4544.4548.95145.212469292240.13370.44373.493.9337TF21.45221.45152465.9002511397367.6545259118770.55317774989344163122126DRYL
2022-05-29 16:00:03FORECAST2022245-4049.674446.835145.452486648450.21390.54393.484.0239TF17.67212.67152465.9806994808967.7780514696810.40863329829246162123127.5WETL
2022-05-29 12:00:03FORECAST2022245-4053.1544.8448.995146.295314714410.20940.56943.484.0494TF21.15216.15152466.2628080403668.2120642418880.54171099060507163123129WETL
2022-05-29 08:00:03FORECAST2022245-4046.3543.3144.83146.92903155910.20420.48423.594.0742TF14.35210.35152466.4745261926368.5386503804730.29066640892978162122125WETL
2022-05-29 04:00:09FORECAST2022245-4046.3543.3144.83146.51425042920.20420.45423.674.1242TF14.35215.35152466.3359907002668.3248681256080.29066640892978162122125WETL
2022-05-29 00:00:03FORECAST2022245-4052.2945.148.695147.980641992080.33780.49783.493.9878TF20.29220.29152466.8251071020469.0810790469820.50867964377147163123129DRYL
2022-05-28 20:00:03FORECAST2022245-4053.7344.4649.095147.887984134010.28520.44523.764.2052TF21.73225.73152466.7942548698269.0332613580370.56384028940887163122126WETL
2022-05-28 16:00:03FORECAST2022245-4053.9344.4749.2146.836439736890.28860.48863.814.2986TF21.93226.93152466.4436134904868.4909195429520.57142854813006163122126WETL
2022-05-28 12:00:04FORECAST2022245-4059.0845.5752.325146.131245647440.08450.31453.784.0945TF27.08230.08152466.2079387263568.1275468168080.75079495339162164122127WETL
2022-05-28 08:00:03FORECAST2022245-4055.944.3250.11146.275637884910.11640.28643.894.1764TF23.9226.9152466.2562287613968.2019272798840.64435020909816163122126WETL
2022-05-28 04:00:08FORECAST2022245-4056.0144.3250.165146.183188440020.11640.27644.014.2864TF24.01234.01152466.2253123319368.1543026881260.64829673633118163122126WETL
2022-05-28 00:00:04FORECAST2022245-4057.2647.4252.34148.38031748390.16220.23223.763.9922TF25.26226.26152466.9581036357969.287391669160.69193785899103163122126DRYL
2022-05-27 20:00:04FORECAST2022245-4058.4948.0253.255148.184843799530.12520.22523.934.1552TF26.49235.49152466.8930744284269.1864773052590.73238818511399164122127WETL
2022-05-27 16:00:04FORECAST2022245-4058.6348.0153.32147.918692804950.12520.22523.733.9552TF26.63234.63152466.804480722369.0491085839360.73681703461662164122127DRYL
2022-05-27 12:00:03FORECAST2022245-4052.2444.5948.415149.48066731760.1160.2363.814.046TF20.24222.24152467.3235607024869.8558377070460.50675518328471163122126WETL
2022-05-27 08:00:04FORECAST2022245-4053.144.3148.705149.200725310770.06230.16233.94.0623TF21.1220.1152467.2306809558269.7111564860540.53979622175051163122126WETL
2022-05-27 04:00:08FORECAST2022245-4055.3444.3449.84149.046939594390.06230.16233.984.1423TF23.34228.34152467.1796294956469.6316940171670.62402631419659163122126WETL
2022-05-27 00:00:03FORECAST2022245-4059.1647.0153.085149.258387347820.01410.05413.823.8741TF27.16227.16152467.2498175885569.7409542618290.75323798504997164121123.5DRYL
2022-05-26 20:00:03FORECAST2022245-4062.447.254.8151.854765858020.04510.18514.494.6751TF30.4229.4152468.1085947516371.0845210521360.84073800801889164122127WETL
2022-05-26 16:00:04FORECAST2022245-4060.4147.253.805151.341676053060.01920.15924.614.7692TF28.41228.41152467.9393340783870.8187231105760.7896959023098164122127WETL
2022-05-26 12:00:04FORECAST2022245-4054.3944.9549.67151.6894921854800.164.64.76TF22.39219.39152468.0540975139870.9988883672270.58877722792222163122126WETL
2022-05-26 08:00:05FORECAST2022245-4047.0145.0946.05152.0520441293600.164.344.5TF15.01210.01152468.1736152209471.1867552017750.31286447000642162122125WETL
2022-05-26 04:00:09FORECAST2022245-4047.0145.0646.035151.7525242870600.164.24.36TF15.01216.01152468.0748843786371.0315452598330.31286447000642162122125WETL