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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Thursday, May 12, 2022

[ Wednesday, May 11, 2022 | Index | Today | Friday, May 13, 2022 ]

DAY 224 OF WATER YEAR 2022, FORECAST LAST UPDATED 05/13/2022 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): 32.07°F
MINIMUM TEMPERATURE (Tmin): 22.74°F
AVERAGE TEMPERATURE (Tavg): 27.41°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.063
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: 0
18-DAY CUMULATIVE DD32: 88

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: 0.93 in
DAY 1-3 (P3): 1.06 in
DAY 4-15 (P15): 6.65 in
18-DAY TOTAL (P18): 7.71 in

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

PRECIP THRESHOLD B (PB) EXCEEDED: True
P3 > (-0.67 * P15 + 4.5)
Snow at Paradise DEPTH: 170 in
SWE DAY: 131
CALCULATED SNOW DENSITY: 463.82 kg/m3
CALCULATED SWE: 79.06 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: -61

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: 4
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
2022-05-13 04:00:04OBSERVATION2022224-6132.0700222.7400827.40505170.460617083330.930000000000061.06000000000016.657.7100000000001TT0.0700288.07002131463.81556350262 79.062287167510.06277231938080416 1114126WETL
2022-05-13 00:00:01FORECAST2022224-6023.3523.3523.35169.066051831920.01350.14356.656.7935TT-8.6579.35132463.8501265862978.4213095436780.0099385603201978161112123WETL
2022-05-12 12:00:02FORECAST2022224-6032.0318.0925.06168.921610636660.53950.66956.657.3195TT0.03000000000000188.03132463.8009372607378.3460013368760.062323254307134161113124.5WETL
2022-05-12 08:00:02FORECAST2022224-6031.9319.3325.63169.685930776910.71970.84976.657.4997TT-0.0787.93132464.0610210398978.7446262924380.061212067230065161113124.5WETL
2022-05-12 04:00:07FORECAST2022224-6032.1219.3525.735170.037704882180.75450.88456.657.5345TT0.1288.12132464.1805535915678.928195983650.063336669827023161113124.5WETL
2022-05-12 00:00:02FORECAST2022224-613318.8525.925173.292938936720.90260.96266.657.6126TT179131464.776718546180.542523506220.073930476008465161113124.5WETL
2022-05-11 20:00:01FORECAST2022224-6132.618.7725.685173.500198966170.88910.97916.657.6291TT0.687.6131464.8467815859780.6510090939470.068958867866737161113124.5WETL
2022-05-11 16:00:01FORECAST2022224-6132.3620.1226.24173.143863336360.81870.90876.657.5587TT0.3687.36131464.7263016013880.4645072532790.066101631436117161113124.5WETL
2022-05-11 12:00:02FORECAST2022224-6132.3620.1326.245173.271808643810.77920.86926.657.5192TT0.3687.36131464.7695735021880.5314646033330.066101631436117161113124.5WETL
2022-05-11 08:00:02FORECAST2022224-6132.8820.126.49173.178135893790.7590.8396.657.489TT0.8885.88131464.7378941729980.4824421920840.072411148079654161113124.5WETL
2022-05-11 04:00:07FORECAST2022224-6133.0520.1826.615173.432020074490.73510.82516.657.4751TT1.0587.05131464.8237381815180.6153198913950.074570647227683161113124.5WETL
2022-05-11 00:00:03FORECAST2022224-6132.3721.1526.76175.617708337260.77770.81776.657.4677TT0.3779.37131465.5604838007381.7606652574670.066218829038122161113124.5WETL
2022-05-10 20:00:03FORECAST2022224-6127.7120.1323.92176.31413586360.83010.93016.657.5801TT-4.2978.71131465.7943756710882.126132836570.026809526271437161113124.5WETL
2022-05-10 16:00:02FORECAST2022224-6132.918.8825.89176.647044232870.86270.98276.657.6327TT0.984.9131465.9060352880982.3009240238960.072662700329934161113124.5WETL
2022-05-10 12:00:02FORECAST2022224-6131.818.9425.37177.008266699050.89181.01186.657.6618TT-0.282.8131466.0270848788482.4906465292140.059790662938852161114126WETL
2022-05-10 08:00:03FORECAST2022224-6128.2220.1824.2176.988938579270.88191.00196.657.6519TT-3.7875.22131466.0206106269582.4804932309280.029829594597621161114126WETL
2022-05-10 04:00:07FORECAST2022224-6128.1619.4923.825176.773829898940.86140.99146.657.6414TT-3.8479.16131465.9485351990282.3675071029320.029460293475096161114126WETL
2022-05-10 00:00:03FORECAST2022224-6128.1419.4323.785178.255731770850.72140.84146.377.2114TT-3.8671.14131466.4442710029583.1463648579510.029338037470622161113124.5WETL
2022-05-09 20:00:03FORECAST2022224-6128.1220.5824.35177.65940378260.77220.90226.527.4222TT-3.8878.12131466.2450076763982.83281008040.029216201923329161113124.5WETL
2022-05-09 16:00:02FORECAST2022224-6128.3821.2324.805177.752362688040.73960.90966.527.4296TT-3.6276.38131466.2760898068782.8816766281110.030833156578411161113124.5WETL
2022-05-09 12:00:03FORECAST2022224-6129.0121.0725.04178.753056226560.77470.95476.527.4747TT-2.9977.01131466.6102215842983.4080031747460.035059137868646161113124.5WETL
2022-05-09 08:00:03FORECAST2022224-6127.7321.0624.395178.830934175340.76370.95376.537.4837TT-4.2770.73131466.636189445683.448985678580.026922969515052161113124.5WETL
2022-05-09 04:00:06FORECAST2022224-6129.1321.3925.26178.330120203780.64240.81246.67.4124TT-2.8774.13131466.4691067721883.1854918820330.035915513513891161113124.5WETL
2022-05-09 00:00:03FORECAST2022224-6129.2522.1325.69179.064461717820.68740.83746.467.2974TT-2.7566.25131466.7140267946683.5718959841410.036788898513331161113124.5WETL
2022-05-08 20:00:03FORECAST2022224-6129.2522.1325.69178.210508318570.68740.83746.657.4874TT-2.7573.25131466.4291701356783.1225795044860.036788898513331161113124.5WETL
2022-05-08 16:00:03FORECAST2022224-6129.821.2125.505178.633867857620.71990.90996.637.5399TT-2.271.8131466.5704691023483.3452875238960.041016007893789161113124.5WETL
2022-05-08 12:00:03FORECAST2022224-6130.0621.5125.785180.042236745150.79641.00646.647.6464TT-1.9466.06131467.0394292870384.0868234970140.043146702948545161114126WETL
2022-05-08 08:00:03FORECAST2022224-6130.0621.4325.745180.500455635150.79971.00976.697.6997TT-1.9462.06131467.1916461641384.3283050015620.043146702948545161114126WETL
2022-05-08 04:00:08FORECAST2022224-6130.0621.4325.745181.130211454530.79970.99976.767.7597TT-1.9467.06131467.4005574744684.6603618093150.043146702948545161114126WETL
2022-05-08 00:00:03FORECAST2022224-6129.6421.6725.655172.497544433260.67350.94355.796.7335TT-2.3657.64131464.5074974467780.1264026804070.039747649186095161113124.5WETL
2022-05-07 20:00:04FORECAST2022224-6129.0222.6625.84171.027796984950.61180.88186.137.0118TT-2.9865.02131464.0085914213179.3583671728790.035129858441356161113124.5WETL
2022-05-07 16:00:02FORECAST2022224-6129.5922.5826.085171.759320976220.61180.93186.237.1618TT-2.4165.59131464.257140174379.7404911546990.039357870775604161113124.5WETL
2022-05-07 12:00:04FORECAST2022224-6129.5619.8824.72175.030522504090.6641.0246.337.354TT-2.4462.56131465.3629584993281.4527217801860.039125495759197161114126WETL
2022-05-07 08:00:03FORECAST2022224-6129.5119.8824.695176.58724094530.6641.0346.587.614TT-2.4957.51131465.8859838357282.2695204806360.038740679218015161114126WETL
2022-05-07 04:00:07FORECAST2022224-6132.5121.0126.76177.911104412620.69611.03616.767.7961TT0.5157.51131466.3291503935482.9651341663110.067876484626379161114126WETL
2022-05-07 00:00:04FORECAST2022224-6133.5221.7627.64177.722484213630.72220.98225.476.4522TT1.5271.52131466.2661003148782.8659696525610.080795854097756161113124.5WETL
2022-05-06 20:00:04FORECAST2022224-6130.3123.1826.745173.919417259430.6690.9496.487.429TT-1.6966.31131464.9883831744580.8705086341050.045278625751174161113124.5WETL
2022-05-06 16:00:04FORECAST2022224-6130.3123.1826.745175.075749142860.6690.9496.687.629TT-1.6969.31131465.378182905381.4764340068890.045278625751174161113124.5WETL
2022-05-06 12:00:03FORECAST2022224-6136.3222.5929.455176.728106352790.51220.72226.647.3622TT4.3278.32131465.9332097553282.3434938469360.12616024398827161113124.5WETL
2022-05-06 08:00:03FORECAST2022224-6136.3822.5429.46177.860140656420.51220.73226.797.5222TT4.3872.38131466.312117715682.9383388466910.12729535536816161113124.5WETL
2022-05-06 04:00:07FORECAST2022224-6129.6224.0326.825176.937749488730.46270.73276.667.3927TT-2.3860.62131466.0034625157382.4536039114880.039591364013763161113124.5WETL
2022-05-06 00:00:04FORECAST2022224-6138.1129.7233.915173.941071907520.09420.26425.195.4542TF6.1165.11131464.995693485380.8818493572130.16309127348317161112123WETL
2022-05-05 20:00:02FORECAST2022224-6137.429.3533.375173.289788319420.06710.327166.3271TF5.465.4131464.7756532137380.5408745614290.14767979833709161112123WETL
2022-05-05 16:00:03FORECAST2022224-6137.4629.3533.405172.501477932260.04810.28815.836.1181TF5.4669.46131464.5088301762780.1284597179920.1489432421617161112123WETL
2022-05-05 12:00:04FORECAST2022224-6132.2425.5328.885176.679915113640.16150.41155.886.2915TF0.2458.24131465.9170552730582.318185775640.064707721346933161112123WETL
2022-05-05 08:00:04FORECAST2022224-6127.4425.7726.605178.879799940960.12720.34726.326.6672TT-4.5655.44131466.6524807733183.4747024026810.025316619070443161112123WETL
2022-05-05 04:00:07FORECAST2022224-6127.4426.7527.095176.772736566030.06570.28576.166.4457TF-4.5663.44131465.9481687606482.3669328897470.025316619070443161112123WETL