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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Sunday, February 13, 2022

[ Saturday, February 12, 2022 | Index | Today | Monday, February 14, 2022 ]

DAY 136 OF WATER YEAR 2022, FORECAST LAST UPDATED 02/14/2022 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:

DRY

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 50.40°F
MINIMUM TEMPERATURE (Tmin): 36.78°F
AVERAGE TEMPERATURE (Tavg): 43.59°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.962
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: 18
18-DAY CUMULATIVE DD32: 142

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): 0.00 in
DAY 4-15 (P15): 2.39 in
18-DAY TOTAL (P18): 2.39 in

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

PRECIP THRESHOLD B (PB) EXCEEDED: False
P3 > (-0.67 * P15 + 4.5)
Snow at Paradise DEPTH: 104 in
SWE DAY: 44
CALCULATED SNOW DENSITY: 377.22 kg/m3
CALCULATED SWE: 39.41 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: -148

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: 1
D4: 1
D5: 2
HSdry: 3.5

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
2022-02-14 07:00:04OBSERVATION2022136-14850.3999636.7800843.59002104.46665458333002.392.39FF18.39996142.3999644377.22425886945 39.4073563517690.9618012472303316 5111123.5DRYL
2022-02-14 03:00:04OBSERVATION2022136-14850.3999636.7800843.59002104.46665458333002.392.39FF18.39996142.3999644377.22425886945 39.4073563517690.9618012472303316 5111123.5DRYL
2022-02-13 11:00:02FORECAST2022136-14849.113542.055104.218430666670.00570.00572.392.3957FF17.11141.1144377.0850814273439.299215414170.94852413922907165111123.5DRYL
2022-02-13 07:00:06FORECAST2022136-14847.8934.9841.435103.993730583330.0050.0052.392.395FF15.89139.8944376.9590179444139.2013745530680.93282891353106165111123.5DRYL
2022-02-13 03:00:06FORECAST2022136-14844.7235.2539.985103.956393250.00470.00472.392.3947FF12.72136.7244376.9380636091839.185121571450.87506853891144165111123.5DRYL
2022-02-12 23:00:01FORECAST2022136-14848.2435.5741.905104.9075960.00130.00132.392.3913FF16.24139.2444377.4712754032139.5996040616050.93766819553807165111123.5DRYL
2022-02-12 19:00:01FORECAST2022136-14848.2135.7241.965104.8518360.00140.00142.392.3914FF16.21139.2144377.4400537838639.5752826191760.93726432255411165111123.5DRYL
2022-02-12 15:00:01FORECAST2022136-14848.1835.5841.88104.869930666670.00150.00152.392.3915FF16.18139.1844377.4501859900939.5831748349010.93685842009586165111123.5DRYL
2022-02-12 11:00:02FORECAST2022136-14848.435.441.9103.927805333330.00120.00122.392.3912FF16.4139.444376.9220182494239.1726781384730.93978814903837165111123.5DRYL
2022-02-12 07:00:05FORECAST2022136-14848.6135.6742.14103.553544666670.00120.00122.392.3912FF16.61137.6144376.7118518192339.0098475738250.9424847190718165111123.5DRYL
2022-02-12 03:00:04FORECAST2022136-14849.1335.5842.355103.3776820.00120.00122.392.3912FF17.13139.1344376.6130269553338.9333817376460.94875483713494165111123.5DRYL
2022-02-11 23:00:02FORECAST2022136-14849.1235.4942.305103.589965333330.00120.00122.392.3912FF17.12139.1244376.7323126551439.0256872078930.94863959087307165111123.5DRYL
2022-02-11 19:00:02FORECAST2022136-14849.2935.6342.46103.5726360.00130.00132.392.3913FF17.29139.2944376.722577411939.0181503832650.95057103038535165111123.5DRYL
2022-02-11 15:00:02FORECAST2022136-14849.0235.6642.34103.639110666670.00620.00622.392.3962FF17.02139.0244376.7599191057439.0470629509650.94747579491956165111123.5DRYL
2022-02-11 11:00:02FORECAST2022136-14849.053642.525102.9884680.00730.00732.392.3973FF17.05139.0544376.3941536943838.7642572531410.94782710367113165111123.5DRYL
2022-02-11 07:00:04FORECAST2022136-14848.5936.8942.74102.971554416670.00240.00242.392.3924FF16.59132.5944376.384637487738.7569111806620.942232053967165111123.5DRYL
2022-02-11 03:00:06FORECAST2022136-14848.636.9442.77103.081653083330.00150.00152.392.3915FF16.6128.644376.4465757337538.8047353241950.94235849502593165111123.5DRYL
2022-02-10 23:00:03FORECAST2022136-14847.8236.1741.995103.7472240.00130.00132.42.4013FF15.82134.8244376.8206375743339.0940950942460.93182720323031165111123.5DRYL
2022-02-10 19:00:02FORECAST2022136-14848.335.2141.755103.632260.00210.00212.42.4021FF16.3136.344376.7560710815339.04408311490.93846987627238165111123.5DRYL
2022-02-10 15:00:03FORECAST2022136-14848.2536.1142.18103.513086666670.00270.00272.42.4027FF16.25137.2544376.6891206228338.9922535894210.93780236987275165111123.5DRYL
2022-02-10 11:00:02FORECAST2022136-14843.936.5440.22102.922194666670.00360.00362.42.4036FF11.9132.944376.3568635316738.7354743725420.85568342108757165111123.5DRYL
2022-02-10 07:00:04FORECAST2022136-14844.6236.4440.53102.42770350.00360.00362.42.4036FF12.62132.6244376.0784288552338.5208498035290.87280670878532165111123.5DRYL
2022-02-10 03:00:05FORECAST2022136-14849.9135.8342.87102.206084833330.00360.00362.42.4036FF17.91137.9144375.953527810338.424738156770.95712998238916165111123.5DRYL
2022-02-09 23:00:03FORECAST2022136-14849.5636.0842.82102.311677333330.11260.11262.392.5026FF17.56139.5644376.0130469707538.4705255347950.95351935984331165112127DRYL
2022-02-09 19:00:02FORECAST2022136-14849.2334.5341.88102.28090.11490.11492.392.5049FF17.23139.2344375.9957004073938.4571786337980.94989605359483165112127DRYL
2022-02-09 15:00:03FORECAST2022136-14849.4435.3242.38102.155057333330.16170.16172.392.5517FF17.44140.4444375.9247594970438.402615359440.95222684048867165112127DRYL
2022-02-09 11:00:03FORECAST2022136-14850.3736.1643.265101.372777333330.00690.00692.392.3969FF18.37136.3744375.4832581631738.0637807221690.9615280126454165111123.5DRYL
2022-02-09 07:00:07FORECAST2022136-14844.9434.4339.685101.377950583330.01780.01782.412.4278FF12.94130.9444375.4861807121938.0660194729650.87994554483258165111123.5DRYL
2022-02-09 03:00:05FORECAST2022136-14849.7634.2942.025101.008774855250.01780.01782.432.4478FF17.76146.7644375.2775240476137.9063229347620.95561124316097165111123.5DRYL
2022-02-08 23:00:03FORECAST2022136-14849.935.3942.645101.72574266667002.452.45FF17.9150.944375.6825725185138.2165886963690.95703005279999165111123.5DRYL
2022-02-08 19:00:03FORECAST2022136-1485035.442.7101.70322002.422.42FF1815044375.6698596350938.2068343818370.95802094791328165111123.5DRYL
2022-02-08 15:00:02FORECAST2022136-14850.9536.9143.93101.76646933333002.432.43FF18.95149.9544375.7055587743238.2342282253690.9665432153297165111123.5DRYL
2022-02-08 11:00:03FORECAST2022136-14852.0737.4144.74101.5288880.02530.02532.432.4553FF20.07148.0744375.5714336099538.1313500189840.9747108105551165111123.5DRYL
2022-02-08 07:00:07FORECAST2022136-14852.1137.4544.78102.096685107390.02530.02532.472.4953FF20.11142.1144375.8918457973338.3773114148060.97496856240703165111123.5DRYL
2022-02-08 03:00:05FORECAST2022136-14852.4437.845.12101.801626750.02530.02532.452.4753FF20.44153.4444375.7253998160838.2494569125710.97701232607464165111123.5DRYL
2022-02-07 23:00:03FORECAST2022136-14849.1335.7742.45102.140262666670.09080.09082.432.5208FF17.13142.1344375.9164178540938.3962016603290.94875483713494165112127DRYL
2022-02-07 19:00:03FORECAST2022136-14848.5534.4641.505101.770606666670.11790.11792.442.5579FF16.55150.5544375.7078937649238.2360202779110.94172411519398165112127DRYL
2022-02-07 15:00:02FORECAST2022136-14848.5934.4641.525101.927554666670.11790.11792.412.5279FF16.59145.5944375.7964525328538.3040134590810.942232053967165112127DRYL
2022-02-07 11:00:03FORECAST2022136-14846.713641.355102.037508286750.13670.13672.392.5267FF14.71140.7144375.8584734380438.351662098080.91436703574706165112127DRYL
2022-02-07 07:00:05FORECAST2022136-14846.334.8140.555102.678354364620.13010.13012.422.5501FF14.3130.344376.2196073218438.629610159510.90713664934215165112127DRYL
2022-02-07 03:00:08FORECAST2022136-14846.334.8140.555102.337000239690.13010.13012.442.5701FF14.3142.344376.0273183210138.4815077651470.90713664934215165112127DRYL
2022-02-06 23:00:04FORECAST2022136-14846.9631.0739.015103.825432073620.03290.03292.412.4429FF14.96152.9644376.8645502978639.1281247679050.91856466936364165111123.5DRYL
2022-02-06 19:00:03FORECAST2022136-14843.4429.4336.435104.030681969920.13240.13242.412.5424FF11.44149.4444376.9797537234239.2174608686980.84396689223442164112126DRYL
2022-02-06 15:00:02FORECAST2022136-14842.5938.0140.3103.750519446690.05930.05932.412.4693FF10.59149.5944376.8224880969239.095528879250.82071648626855164111123DRYL
2022-02-06 11:00:04FORECAST2022136-14839.2836.4737.875103.569619233280.02050.05052.412.4605FF7.28141.2844376.7208826140739.0168383695660.71119453442524164111123DRYL
2022-02-06 07:00:07FORECAST2022136-14841.1939.6240.405103.7329650605002.392.39FF9.19135.1944376.812630441939.0878914279850.77795222503129164111123DRYL
2022-02-06 03:00:07FORECAST2022136-14841.1940.3440.765103.7858289713002.392.39FF9.19137.1944376.8423148081139.1108920338220.77795222503129164111123DRYL