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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Tuesday, March 22, 2022

[ Monday, March 21, 2022 | Index | Today | Wednesday, March 23, 2022 ]

DAY 173 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/23/2022 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): 0.00°F
MINIMUM TEMPERATURE (Tmin): 0.00°F
AVERAGE TEMPERATURE (Tavg): 0.00°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.000
Maximum Percentile on this day is based on 17 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: -32
18-DAY CUMULATIVE DD32: -43

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): 1.13 in
DAY 4-15 (P15): 4.35 in
18-DAY TOTAL (P18): 5.48 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: 149 in
SWE DAY: 80
CALCULATED SNOW DENSITY: 426.02 kg/m3
CALCULATED SWE: 63.48 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: -112

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: 5
D5: 2
HSdry: 30.0

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
2022-03-23 04:00:04OBSERVATION2022173-1120NAN01.134.355.48TF-32-4380NAN NAN3.0666592869544E-617 11145230WETL
2022-03-23 00:00:01FORECAST2022173-11143.243.243.2151.938773333330.00011.13014.345.4701TF11.22.281427.9481421636865.0219157706290.791902399460611641141212WETL
2022-03-22 12:00:01FORECAST2022173-11150.2641.0345.645152.0374840.00361.13364.345.4736TF18.269.2681427.990748017765.0706365038890.953927932545361651141214WETL
2022-03-22 08:00:02FORECAST2022173-11150.0534.6742.36151.999818666670.02081.15084.345.4908TF18.059.0581427.9744920310365.0520451826760.951364688028331651141214WETL
2022-03-22 04:00:05FORECAST2022173-11149.5535.6842.615152.0388380.03551.16554.345.5055TF17.558.5581427.991332361865.071304846360.94480383451191651141214WETL
2022-03-22 00:00:02FORECAST2022173-11249.3333.2241.275146.866705333330.07320.35324.354.7032TF17.3310.3380425.0890434247862.4314272810950.94170476972777175112127WETL
2022-03-21 20:00:01FORECAST2022173-11249.3836.7543.065146.823901333330.06570.57574.354.9257TF17.3812.3880425.0702540229162.4104730363950.942420799475441751131210.5WETL
2022-03-21 16:00:01FORECAST2022173-1125035.5642.78146.832046666670.05960.56964.354.9196TF181380425.0738296858962.4144603972170.950737943122561751131210.5WETL
2022-03-21 12:00:02FORECAST2022173-11249.4535.4842.465146.9451566110.05380.56384.354.9138TF17.4512.4580425.1234753845662.4698356693970.943411637300731751131210.5WETL
2022-03-21 08:00:02FORECAST2022173-11249.9637.4943.725147.137122492730.08780.81784.355.1678TF17.9615.9680425.2076995319662.5638373708840.950231933046291751131210.5WETL
2022-03-21 04:00:05FORECAST2022173-11245.5437.6741.605148.490669543640.12861.25864.355.6086TF13.5411.5480425.800397868163.227386171380.864653740269421751141214WETL
2022-03-21 00:00:02FORECAST2022173-11249.9837.8943.935145.3201961720.12641.11644.355.4664TF17.9812.9880424.4088839529361.6751822731770.950485452298171751141214WETL
2022-03-20 20:00:02FORECAST2022173-11249.3838.0443.71143.792248205530.12151.30154.355.6515TF17.3818.3880423.7342587828360.9297017120890.942420799475441751141214WETL
2022-03-20 16:00:02FORECAST2022173-11250.0137.8843.945144.042799945330.10461.25464.355.6046TF18.0119.0180423.8450628460361.0518295953480.950863803693931751141214WETL
2022-03-20 12:00:02FORECAST2022173-11250.1235.5642.84145.064864537820.11061.27064.355.6206TF18.1216.1280424.2963311229961.5504897982520.952231438080381751141214WETL
2022-03-20 08:00:02FORECAST2022173-11249.8937.9543.92144.280991498930.18261.48264.355.8326TF17.8917.8980423.950335373961.1679747340510.949336478980011751141214WETL
2022-03-20 04:00:06FORECAST2022173-11249.8137.8943.85145.489087970450.14681.49684.355.8468TF17.8117.8180424.4832931071561.7576871728540.948297493335951751141214WETL
2022-03-20 00:00:03FORECAST2022173-11249.5835.8842.73145.275266181650.14611.61613.845.4561TF17.583.5880424.3890836395361.653237090320.945216193306621751151217.5WETL
2022-03-19 20:00:03FORECAST2022173-11248.0937.7942.94144.234333555240.12921.59924.045.6392TF16.0916.0980423.9297191728161.1452205191490.921625581084191751151217.5WETL
2022-03-19 16:00:03FORECAST2022173-11249.2338.3843.805143.829190620530.11881.33884.045.3788TF17.2317.2380423.7506006379660.9477059147190.940251814933851751141214WETL
2022-03-19 12:00:03FORECAST2022173-11245.0337.4741.25146.202900838190.12641.33644.045.3764TF13.0313.0380424.7974274202762.1066161574440.85050189389491751141214WETL
2022-03-19 08:00:02FORECAST2022173-11244.4535.6840.065147.190341363820.11121.12124.235.3512TF12.4510.4580425.2310417970462.5899022005990.833250598946811741141212WETL
2022-03-19 04:00:05FORECAST2022173-11250.0735.7842.925147.487167729920.10951.29954.345.6395TF18.0715.0780425.3611745912662.7353149027370.951613600021071751141214WETL
2022-03-19 00:00:03FORECAST2022173-11250.7136.2343.47147.876977998240.10541.19544.385.5754TF18.7112.7180425.5319238571562.9263749417720.959056416789471751141214WETL
2022-03-18 20:00:03FORECAST2022173-11250.9637.6444.3147.87904831860.08231.25234.425.6723TF18.9623.9680425.5328302718962.9273899689280.961699784586971751141214WETL
2022-03-18 16:00:02FORECAST2022173-11250.4136.143.255147.99521743970.05281.39284.415.8028TF18.4124.4180425.583683075262.9843497155020.95569171309671751141214WETL
2022-03-18 12:00:03FORECAST2022173-11250.5138.3744.44147.88815634110.03251.25254.425.6725TF18.5122.5180425.5368178328862.9318554445650.956837131796251751141214WETL
2022-03-18 08:00:03FORECAST2022173-11252.5438.3545.445147.896190781920.05971.29974.365.6597TF20.5424.5480425.5403352951262.9357946142090.97536813387521751141214WETL
2022-03-18 04:00:06FORECAST2022173-11252.7438.3945.565148.493828624380.05821.06824.495.5582TF20.7423.7480425.8017788009763.2289363692270.976763290667681751141214WETL
2022-03-18 00:00:02FORECAST2022173-11251.0835.9243.5150.849236329620.02090.83094.395.2209TF19.0818.0880426.8283231171664.3867265860760.962918402658891751131210.5WETL
2022-03-17 20:00:03FORECAST2022173-11251.3835.943.64150.528053685430.01120.75124.65.3512TF19.3825.3880426.6887052305364.2286203279080.965827152196051751131210.5WETL
2022-03-17 16:00:03FORECAST2022173-11248.1136.242.155149.819705706550.03050.63054.495.1205TF16.1123.1180426.3803839237563.88018363850.921986391985411751131210.5WETL
2022-03-17 12:00:03FORECAST2022173-11251.0738.4544.76150.381803681140.03610.80614.645.4461TF19.0727.0780426.6250926984464.1566509356230.962818072928241751131210.5WETL
2022-03-17 08:00:03FORECAST2022173-11249.3338.5743.95150.44631824940.05270.81274.695.5027TF17.3325.3380426.6531567048164.1883965957230.941704769727771751131210.5WETL
2022-03-17 04:00:06FORECAST2022173-11248.6336.1842.405150.609021008490.05960.87964.835.7096TF16.6323.6380426.7239124114664.2684706892030.930932668194671751131210.5WETL
2022-03-17 00:00:03FORECAST2022173-11248.0938.3943.24146.96660363170.0540.7844.535.314TF16.0917.0980425.1328872041262.4803365245270.921625581084191751131210.5WETL
2022-03-16 20:00:03FORECAST2022173-11247.8138.1242.965146.57004210260.05760.74764.615.3576TF15.8127.8180424.958777043562.2862258431350.916440994869751751131210.5WETL
2022-03-16 16:00:02FORECAST2022173-11247.3736.5241.945146.566077735840.05690.76694.525.2869TF15.3726.3780424.9570356045562.2842859148080.907781151689931751131210.5WETL
2022-03-16 12:00:03FORECAST2022173-11246.3938.0242.205147.336159878630.04050.34054.534.8705TF14.3924.3980425.2949829159262.661329598480.8861489561454175112127WETL
2022-03-16 08:00:03FORECAST2022173-11246.5637.9542.255148.452364434640.04050.37054.775.1405TF14.5617.5680425.7836526266963.2085899700490.89013947354263175112127WETL
2022-03-16 04:00:06FORECAST2022173-11246.4434.9640.7148.897799545650.02690.39694.755.1469TF14.4424.4480425.978275834463.4272279259930.88733318001313175112127WETL
2022-03-16 00:00:03FORECAST2022173-11248.3337.7443.035141.397267584240.11230.74233.694.4323TF16.3318.3380422.6715357740359.7646002440810.925872810212361751131210.5WETL
2022-03-15 20:00:04FORECAST2022173-11248.3637.7543.055140.099500350120.11230.81234.084.8923TF16.3623.3680422.092972101159.1350144926610.926391151349261751131210.5WETL
2022-03-15 16:00:03FORECAST2022173-11247.737.5742.635140.55849553830.11090.84094.024.8609TF15.724.780422.297816901859.3575458128270.914335373999491751131210.5WETL
2022-03-15 12:00:03FORECAST2022173-11242.8837.5740.225139.924808122910.05630.46633.994.4563TF10.8813.8880422.0149460035759.0503603445510.78041921689816174112126WETL
2022-03-15 08:00:03FORECAST2022173-11235.5134.1634.835141.145234402910.0860.5964.134.726TF3.518.5180422.5593248574159.6422349561360.44659663258068172113126WETL
2022-03-15 04:00:08FORECAST2022173-11234.7334.3434.535142.216680458070.04560.55564.444.9956TF2.7312.7380423.0358610328460.1627558708120.40891218293036172113126WETL