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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Wednesday, March 9, 2022

[ Tuesday, March 8, 2022 | Index | Today | Thursday, March 10, 2022 ]

DAY 160 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/10/2022 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): 23.99°F
MINIMUM TEMPERATURE (Tmin): 14.18°F
AVERAGE TEMPERATURE (Tavg): 19.09°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.111
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: -8
18-DAY CUMULATIVE DD32: -241

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: 0.16 in
DAY 1-3 (P3): 0.68 in
DAY 4-15 (P15): 5.55 in
18-DAY TOTAL (P18): 6.23 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: 126 in
SWE DAY: 68
CALCULATED SNOW DENSITY: 407.12 kg/m3
CALCULATED SWE: 51.25 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: -124

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: 3
D4: 1
D5: 2
HSdry: 4.5

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
2022-03-10 07:00:04OBSERVATION2022160-12423.9914.1819.085125.879013333330.160000000000080.680000000000085.556.2300000000001TF-8.01-241.0168407.12265822808 51.2481985233940.1114195826662716 1113124.5WETL
2022-03-10 03:00:04OBSERVATION2022160-12423.9914.1819.085125.879013333330.160000000000080.680000000000085.556.2300000000001TF-8.01-241.0168407.12265822808 51.2481985233940.1114195826662716 1113124.5WETL
2022-03-09 11:00:02FORECAST2022160-12428.2216.2422.23123.394005602070.07890.59895.556.1489TF-3.78-236.7868405.914678653750.0874381317590.22537098082332161113124.5WETL
2022-03-09 07:00:05FORECAST2022160-12426.7316.3221.525123.76485591420.0930.6135.556.163TF-5.27-238.2768406.0954359607950.2603431191030.17934741890876161113124.5WETL
2022-03-09 03:00:05FORECAST2022160-12426.2115.9121.06123.854585857240.10370.62375.556.1737TF-5.79-238.7968406.1391459355650.3021957202610.16478279389612161113124.5WETL
2022-03-08 23:00:01FORECAST2022160-12426.115.1520.625121.717657274110.13050.45055.556.0005TF-5.9-235.968405.0954767894549.3072724071510.16180259902122161112123WETL
2022-03-08 19:00:01FORECAST2022160-12426.2215.1820.7121.892343366890.15870.47875.556.0287TF-5.78-235.7868405.1810056961749.3884622720590.16505546835628161112123WETL
2022-03-08 15:00:02FORECAST2022160-12426.3715.4220.895122.126815091590.20630.52635.556.0763TF-5.63-235.6368405.2957468988949.4974787389290.16918051904684161113124.5WETL
2022-03-08 11:00:02FORECAST2022160-12426.715.5121.105123.405990990110.23620.55625.556.1062TF-5.3-235.368405.9205231519150.0930244227850.17848582240629161113124.5WETL
2022-03-08 07:00:05FORECAST2022160-12427.3515.7121.53124.089282123520.20380.64385.556.1938TF-4.65-236.6568406.2534259828150.4116959904270.19773419094828161113124.5WETL
2022-03-08 03:00:06FORECAST2022160-12427.1415.0221.08124.213496049010.17840.66845.556.2184TF-4.86-236.8668406.3138815854350.4696677249680.19138286860593161113124.5WETL
2022-03-07 23:00:02FORECAST2022160-12427.1815.3421.26125.02417998840.17760.68765.556.2376TF-4.82-231.8268406.7079778016850.8483314193970.19258292928434161113124.5WETL
2022-03-07 19:00:02FORECAST2022160-12427.2115.2621.235124.523465044060.10870.59875.556.1487TF-4.79-231.7968406.4646620430550.6143881355650.19348597953146161113124.5WETL
2022-03-07 15:00:03FORECAST2022160-12427.2615.421.33124.629124823650.17240.64245.556.1924TF-4.74-231.7468406.5160317692150.6637372661810.19499677935394161113124.5WETL
2022-03-07 11:00:03FORECAST2022160-12426.9514.5620.755124.769290050480.17080.67085.556.2208TF-5.05-232.0568406.5841561000850.7292165023820.18574526749328161113124.5WETL
2022-03-07 07:00:05FORECAST2022160-12426.4914.4320.46124.707544745220.16220.67225.556.2222TF-5.51-233.5168406.5541490949350.7003697396090.1725276826099161113124.5WETL
2022-03-07 03:00:06FORECAST2022160-12425.5215.2820.4124.848733224280.14740.70745.556.2574TF-6.48-234.4868406.622756999550.7663361115520.14667181977332161113124.5WETL
2022-03-06 23:00:02FORECAST2022160-12425.7915.2620.525125.862458335060.11290.69295.556.2429TF-6.21-230.2168407.1146359302651.2404489023630.15359355891291161113124.5WETL
2022-03-06 19:00:02FORECAST2022160-12427.5415.0421.29126.318030579230.09910.79915.556.3491TT-4.46-231.4668407.3352762001251.4537898750450.20358875550755161113124.5WETL
2022-03-06 15:00:02FORECAST2022160-12427.6216.7922.205126.283338406060.15450.78455.556.3345TT-4.38-229.3868407.3184832550851.4375378599450.20608438192485161113124.5WETL
2022-03-06 11:00:02FORECAST2022160-12428.5216.8622.69126.517159453260.17170.88175.556.4317TT-3.48-228.4868407.4316370537851.5470933914370.2353844104739161113124.5WETL
2022-03-06 07:00:06FORECAST2022160-12423.7117.2520.48127.104711763560.21840.95845.556.5084TT-8.29-232.2968407.7156767748451.8225835779520.10568526171847161113124.5WETL
2022-03-06 03:00:07FORECAST2022160-12428.4117.322.855127.522812871810.20191.16195.556.7119TT-3.59-227.5968407.9175409101852.0187922366170.23168463313033161114126WETL
2022-03-05 23:00:02FORECAST2022160-12428.6216.2322.425129.69254838660.42491.45495.557.0049TT-3.38-223.3868408.9616787678653.0392823118640.23877590163882161114126WETL
2022-03-05 19:00:02FORECAST2022160-12429.615.5122.555128.49721736610.36361.30365.556.8536TT-2.4-220.468408.3871637106152.4766141448490.27338124123743162114128WETL
2022-03-05 15:00:02FORECAST2022160-12427.3815.5621.47128.585275254330.37191.41195.556.9619TT-4.62-220.6268408.4295467449952.5180256902050.19865178628007161114126WETL
2022-03-05 11:00:03FORECAST2022160-12430.3119.1424.725128.81339898460.50641.50645.557.0564TT-1.69-218.6968408.5393006190352.6253359315290.299913468631941621151210WETL
2022-03-05 07:00:05FORECAST2022160-12428.9522.1225.535126.657991681150.31640.97645.566.5364TT-3.05-218.0568407.4997580422451.6131009641850.25015481413708162113126WETL
2022-03-05 03:00:05FORECAST2022160-12430.7622.2426.5125.483114158070.31640.84645.566.4064TT-1.24-215.2468406.9307191144551.0629338810660.31731009255538162113126WETL
2022-03-04 23:00:03FORECAST2022160-12428.318.7623.533.07103725953560.28720.82725.576.3972TT-3.7-214.768337.286293986351.03581877596280.228017433938431611134218WETL
2022-03-04 19:00:03FORECAST2022160-12429.7620.6125.1853.37660965283820.24240.83245.576.4024TT-2.24-212.2468337.488491846711.13956689929140.279257823947241621134224WETL
2022-03-04 15:00:03FORECAST2022160-1243020.9925.4953.1746495785890.24240.81245.586.3924TT-2-21068337.354872049691.07098350238750.288186034820671621134224WETL
2022-03-04 11:00:03FORECAST2022160-1243321.327.152.8425667343730.22420.81425.586.3942TT1-20568337.135012017280.958328770152780.409331547356431621134224WETL
2022-03-04 07:00:06FORECAST2022160-12434.4725.4829.975NAN0.15360.54365.596.1336TF2.47-211.5368NANNAN0.472952407288221621135230WETL
2022-03-04 03:00:07FORECAST2022160-12434.5425.3829.96NAN0.15360.54365.66.1436TF2.54-204.4668NANNAN0.476012555050581621135230WETL
2022-03-03 23:00:02FORECAST2022160-12432.622.2127.405127.963145016340.64030.97035.696.6603TT0.6-172.468408.1299068028452.2255864497180.39235462923791162113126WETL
2022-03-03 19:00:02FORECAST2022160-12427.1923.0325.11129.533365497810.81890.95895.696.6489TT-4.81-178.8168408.8852709227752.9642852451110.19288366001628161113124.5WETL
2022-03-03 15:00:03FORECAST2022160-12427.1523.1525.15129.623089236950.81890.95895.696.6489TT-4.85-176.8568408.9283421495953.0065549859750.19168245426229161113124.5WETL
2022-03-03 11:00:04FORECAST2022160-12430.719.6525.175128.667098111850.49960.73965.696.4296TT-1.3-177.368408.4689203086552.5565106449930.31496596069221162113126WETL
2022-03-03 07:00:06FORECAST2022160-12430.4319.5825.005128.091876628660.50510.64513.484.1251TF-1.57-182.5768408.191947360952.2860725621660.30451034456081162113126WETL
2022-03-03 03:00:06FORECAST2022160-12430.5119.3924.95128.352940499550.51270.65273.54.1527TF-1.49-177.4968408.3177014955152.4087776449640.30759221964463162113126WETL
2022-03-02 23:00:04FORECAST2022160-12441.8326.334.065124.593959531410.00610.00613.633.6361FF9.83-146.1768406.4989366198950.647312058780.77045884639235164111123DRYL
2022-03-02 19:00:03FORECAST2022160-12442.9828.1535.565124.49317173559003.633.63FF10.98-147.0268406.4499314835850.6002411221040.80694105729758164111123DRYL
2022-03-02 15:00:03FORECAST2022160-12442.7727.4635.115124.53098740908003.643.64FF10.77-142.2368406.4683197261950.6179012060130.80055629364293164111123DRYL
2022-03-02 11:00:04FORECAST2022160-12435.5929.5832.585127.504862968710.18180.45183.664.1118TF3.59-149.4168407.9088788892252.0103657064890.52198339928198163112125WETL
2022-03-02 07:00:07FORECAST2022160-1243129.8130.405125.472574428740.00080.10083.583.6808FF-1-15168406.9256066241151.0580034641040.32675927802796162112124DRYL
2022-03-02 03:00:07FORECAST2022160-12430.3329.9430.135125.333046451710.00080.10083.563.6608FF-1.67-138.6768406.8579131017350.9927417220260.30067743289526162112124DRYL