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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Saturday, January 15, 2022

[ Friday, January 14, 2022 | Index | Today | Sunday, January 16, 2022 ]

DAY 107 OF WATER YEAR 2022, FORECAST LAST UPDATED 01/16/2022 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): 43.22°F
MINIMUM TEMPERATURE (Tmin): 34.27°F
AVERAGE TEMPERATURE (Tavg): 38.74°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.877
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: -13

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): 0.44 in
DAY 4-15 (P15): 15.71 in
18-DAY TOTAL (P18): 16.15 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: 110 in
SWE DAY: 15
CALCULATED SNOW DENSITY: 354.71 kg/m3
CALCULATED SWE: 38.88 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: -177

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 5
D1: 1
D2: 1
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
2022-01-16 07:00:05OBSERVATION2022107-17743.2199434.2699838.74496109.6044395833300.4415.7116.15TT11.21994-12.7800615354.70966326773 38.8777538572520.877486962396116 5112127WETL
2022-01-16 03:00:05OBSERVATION2022107-17743.2199434.2699838.74496109.6044395833300.4415.7116.15TT11.21994-12.7800615354.70966326773 38.8777538572520.877486962396116 5112127WETL
2022-01-15 11:00:02FORECAST2022107-17741.1833.6337.405110.629360.00770.447715.7116.1577TT9.18-14.8215355.3419367952739.3112510488210.82370761449164164112126WETL
2022-01-15 07:00:07FORECAST2022107-17741.2133.6637.435110.280787251510.00770.447715.7116.1577TT9.21-14.7915355.1270869058339.1636947183090.82459307071815164112126WETL
2022-01-15 03:00:07FORECAST2022107-17740.8432.9236.88110.210582191220.00670.446715.7116.1567TT8.84-15.1615355.0837915727439.1339913958990.81347599725341164112126WETL
2022-01-14 23:00:01FORECAST2022107-17740.5431.5736.055111.636834083930.0020.44215.7116.152TT8.54-17.4615355.9618455334839.738453490030.80414984973202164112126WETL
2022-01-14 19:00:01FORECAST2022107-17740.5632.4636.51111.657349333330.00170.441715.7116.1517TT8.56-17.4415355.9744522958239.7471637737370.80478024106809164112126WETL
2022-01-14 15:00:01FORECAST2022107-17741.1632.8236.99111.582059565870.00080.440815.7116.1508TT9.16-16.8415355.9281829954839.7151997161720.82311574557363164112126WETL
2022-01-14 11:00:02FORECAST2022107-17740.2432.0536.145111.296886396580.00080.440815.7116.1508TT8.24-17.7615355.7528496730639.5941844953220.79454677020591164112126WETL
2022-01-14 07:00:08FORECAST2022107-17741.232.3636.78110.973620948750.00020.440215.7116.1502TT9.2-18.815355.5539423936639.4571084300270.82429823166531164112126WETL
2022-01-14 03:00:08FORECAST2022107-17741.3732.5236.945111.117966664250.00040.440415.7116.1504TT9.37-22.6315355.6427794094639.5183025068020.82926788363343164112126WETL
2022-01-13 23:00:02FORECAST2022107-17740.7932.7736.78114.304464450440.0010.05115.7115.761TT8.79-28.2115357.595624201340.8747763141510.81194098949622164111123WETL
2022-01-13 19:00:02FORECAST2022107-17740.3631.4835.92114.393164348620.00020.050215.7115.7602TT8.36-27.6415357.6497581360640.9126875617040.79842103797165164111123WETL
2022-01-13 15:00:03FORECAST2022107-17740.3832.0836.23114.3421960.0010.05115.7115.761TT8.38-28.6215357.6186534211740.8909021627390.79906247606975164111123WETL
2022-01-13 11:00:03FORECAST2022107-17739.9931.9435.965114.509602753530.00550.055515.7115.7655TT7.99-29.0115357.7208024912940.9624669899520.7863350306926164111123WETL
2022-01-13 07:00:05FORECAST2022107-17740.3830.835.59114.237907540940.00450.244515.7115.9545TT8.38-26.6215357.5549962190840.8463345988760.79906247606975164112126WETL
2022-01-13 03:00:05FORECAST2022107-17739.7329.9734.85114.361201147090.00420.364215.7116.0742TT7.73-21.2715357.6302522603440.8990252150310.77759573650619164112126WETL
2022-01-12 23:00:03FORECAST2022107-17739.5530.1334.84264.479314741760.00020.310213.6914.0002TT7.55-25.4515433.80225890743114.731724169260.77142809336641164112126WETL
2022-01-12 19:00:03FORECAST2022107-17738.3430.9834.66264.3163844227400.3313.6914.02TT6.34-28.6615433.73433415014114.643091002570.72757447708516164112126WETL
2022-01-12 15:00:02FORECAST2022107-17738.7530.6934.72263.46299200.2913.6913.98TT6.75-21.2515433.37809995233114.179090880720.74288770964535164112126WETL
2022-01-12 11:00:03FORECAST2022107-17738.8230.8934.855263.1996711475300.3413.6914.03TT6.82-21.1815433.26802514619114.036001737220.74545676098447164112126WETL
2022-01-12 07:00:06FORECAST2022107-17737.5131.5534.53263.502595916670.00080.350813.8714.2208TT5.51-24.4915433.39464902746114.200615075130.69525342985002163112125WETL
2022-01-12 03:00:06FORECAST2022107-17739.1930.6534.92263.551468358820.00040.370414.3514.7204TT7.19-27.8115433.41506879677114.227177790230.75880977138892164112126WETL
2022-01-11 23:00:02FORECAST2022107-17741.4230.535.96296.7090840.00040.400413.1613.5604TT9.42-23.5815446.70073257618132.540165184810.83071229693443164112126WETL
2022-01-11 19:00:03FORECAST2022107-17741.3630.3535.855296.8125680.00160.411613.1613.5716TT9.36-23.6415446.74046998415132.598186125520.82897805949123164112126WETL
2022-01-11 15:00:03FORECAST2022107-17741.2631.8936.575296.9509840.00160.691613.1713.8616TT9.26-26.7415446.79360480279132.675800591090.82606256865077164113129WETL
2022-01-11 11:00:03FORECAST2022107-17740.8230.635.71296.923705333330.00160.681613.2113.8916TT8.82-31.1815446.78313460836132.660503808360.81286292549619164113129WETL
2022-01-11 07:00:06FORECAST2022107-17736.0632.2934.175296.713798666670.00070.700713.3614.0607TT4.06-34.9415446.70254321487132.542808471340.6350927947748163113127.5WETL
2022-01-11 03:00:05FORECAST2022107-17744.3830.6837.53296.2158946666700.4113.5914TT12.38-22.6215446.51120643179132.263716491880.90234975021021165112127WETL
2022-01-10 23:00:03FORECAST2022107-17736.9130.0333.47295.893365333330.01070.390713.6414.0307TT4.91-29.0915446.3871342075132.082991382160.67088004157713163112125WETL
2022-01-10 19:00:04FORECAST2022107-17737.5430.9434.24295.778674666670.0110.30113.5913.891TT5.54-28.4615446.34298991445132.018738003650.69645082974199163112125WETL
2022-01-10 15:00:03FORECAST2022107-17736.8128.7232.765296.1356480.0110.34113.7214.061TT4.81-32.1915446.48034623385132.218746651230.66674251806347163112125WETL
2022-01-10 11:00:03FORECAST2022107-17739.6531.5135.58296.1065039014500.2213.5613.78TT7.65-30.3515446.46913682611132.202415205480.77486633334069164112126WETL
2022-01-10 07:00:08FORECAST2022107-17739.4530.8435.145296.0846235297600.3213.3313.65TT7.45-28.5515446.46072064877132.190154394120.76796060755123164112126WETL
2022-01-10 03:00:08FORECAST2022107-17739.4430.8935.165295.5310535748500.1113.4513.56TT7.44-18.5615446.24763700186131.880034318450.7676122582592164112126WETL
2022-01-09 23:00:04FORECAST2022107-17737.9230.7634.34296.925857383990.00360.223613.113.3236TT5.92-22.0815446.78396064242132.661710579170.71143242486185164112126WETL
2022-01-09 19:00:03FORECAST2022107-17737.8830.5534.215297.039207497050.00340.273412.6312.9034TT5.88-28.1215446.82746209106132.725275227450.70987191200535164112126WETL
2022-01-09 15:00:04FORECAST2022107-17737.8930.3934.14296.847119835920.00340.333412.2912.6234TT5.89-19.1115446.75373541381132.617559633530.71026241039583164112126WETL
2022-01-09 11:00:03FORECAST2022107-17739.4832.0135.745296.571441646550.15860.258612.5612.8186TT7.48-17.5215446.64786232025132.463000436670.7690039120932164112126WETL
2022-01-09 07:00:07FORECAST2022107-17739.4432.0235.73296.964486953490.15860.258612.512.7586TT7.44-24.5615446.79878728578132.683372637760.7676122582592164112126WETL
2022-01-09 03:00:09FORECAST2022107-17740.1932.536.345296.893346259760.11660.186612.6312.8166TT8.19-26.8115446.77148122825132.643480075280.79291955523341164112126WETL
2022-01-08 23:00:03FORECAST2022107-17737.7829.1833.48296.884236103090.11920.459212.4312.8892TT5.78-26.2215446.7679841044132.638371676150.70595344558503164112126WETL
2022-01-08 19:00:04FORECAST2022107-17738.3129.1633.735296.779179940780.09490.524912.5113.0349TT6.31-18.6915446.72765025528132.579465699630.72643648743262164113129WETL
2022-01-08 15:00:04FORECAST2022107-17737.631.3434.47296.896479350820.08660.526612.5313.0566TT5.6-23.415446.77268391197132.645236923580.69883930836648163113127.5WETL
2022-01-08 11:00:04FORECAST2022107-17732.830.0331.415296.992451214190.00030.390311.9412.3303TT0.8-28.215446.80951950624132.699054423990.48941470494095162112124WETL
2022-01-08 07:00:11FORECAST2022107-17732.7930.0331.41297.723967052220.00030.390312.0512.4403TT0.79-30.2115447.08999256086133.109406214570.4889597499742162112124WETL
2022-01-08 03:00:05FORECAST2022107-17730.9230.8530.885297.4850246184300.3711.9412.31TT-1.08-27.0815446.99843610828132.975340770070.40477320891019162112124WETL