MOUNT RAINIER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Tuesday, February 15, 2022

[ Monday, February 14, 2022 | Index | Today | Wednesday, February 16, 2022 ]

DAY 138 OF WATER YEAR 2022, FORECAST LAST UPDATED 02/16/2022 07:00:03 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): 30.12°F
MINIMUM TEMPERATURE (Tmin): 21.29°F
AVERAGE TEMPERATURE (Tavg): 25.71°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.365
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: -2
18-DAY CUMULATIVE DD32: 108

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: 0.38 in
DAY 1-3 (P3): 0.74 in
DAY 4-15 (P15): 2.39 in
18-DAY TOTAL (P18): 3.13 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: 108 in
SWE DAY: 46
CALCULATED SNOW DENSITY: 381.03 kg/m3
CALCULATED SWE: 41.27 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: -146

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 2
D1: 1
D2: 1
D3: 3
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
2022-02-16 07:00:03OBSERVATION2022138-14630.1200821.2925.70504108.323274166670.380.742.393.13FF-1.87992108.1200846381.02989591333 41.2744058807160.3648431479861816 2113126DRYL
2022-02-16 03:00:04OBSERVATION2022138-14630.1200821.2925.70504108.323274166670.380.742.393.13FF-1.87992108.1200846381.02989591333 41.2744058807160.3648431479861816 2113126DRYL
2022-02-15 11:00:02FORECAST2022138-14632.0927.7629.925106.046799069040.01680.37682.392.7668FF0.090000000000003110.0946379.772267002940.2736332908490.45271405757778162112124DRYL
2022-02-15 07:00:07FORECAST2022138-14634.4623.328.88105.964047990350.02040.38042.392.7704FF2.46112.4646379.7264144090440.2373479996420.56118573761021163112125DRYL
2022-02-15 03:00:04FORECAST2022138-14634.4923.0628.775105.986532913970.02020.38022.392.7702FF2.49112.4946379.7388743189140.2472067017150.56254666976496163112125DRYL
2022-02-14 23:00:01FORECAST2022138-14634.6725.5830.125104.021694544220.02160.33162.392.7216FF2.67104.6746378.6473784957139.3875419458490.57069618054934163112125DRYL
2022-02-14 19:00:01FORECAST2022138-14635.1125.2930.2104.007693064670.01840.32842.392.7184FF3.11105.1146378.6395809098739.3814293134090.59048403459127163112125DRYL
2022-02-14 15:00:02FORECAST2022138-14634.925.9930.445104.012054377010.01920.32922.392.7192FF2.9104.946378.6420098048739.3833333132430.58106530696559163112125DRYL
2022-02-14 11:00:01FORECAST2022138-14631.327.2329.265105.342625768840.02350.33352.392.7235FF-0.7101.346379.3817745865539.9650723037910.41693723869528162112124DRYL
2022-02-14 07:00:04FORECAST2022138-14635.2426.9631.1106.438007917860.02480.51482.392.9048FF3.24107.2446379.9889064392540.4452622322790.59628898182937163113127.5DRYL
2022-02-14 03:00:06FORECAST2022138-14635.1427.231.17106.505837657770.02480.54482.392.9348FF3.14111.1446380.0264465714140.4750350241930.59182544912902163113127.5DRYL
2022-02-13 23:00:02FORECAST2022138-14634.9927.0731.03107.096495130640.02590.55592.392.9459FF2.99109.9946380.3530706498840.7344807787790.58510792903836163113127.5DRYL
2022-02-13 19:00:02FORECAST2022138-14635.3326.6630.995107.056315970940.02050.55052.392.9405FF3.33109.3346380.3308677507940.7168215514290.60029548761144163113127.5DRYL
2022-02-13 15:00:02FORECAST2022138-14634.7726.3630.565107.229231673040.01510.58512.392.9751FF2.77108.7746380.4264044120440.7928310532390.57521093176546163113127.5DRYL
2022-02-13 11:00:03FORECAST2022138-14634.6426.4130.525106.558686685930.01650.60652.392.9965FF2.64108.6446380.0556911986540.4982353216390.56933992202836163113127.5DRYL
2022-02-13 07:00:06FORECAST2022138-14634.8625.5630.21106.47195602850.01710.62712.393.0171FF2.86107.8646380.0076957107340.4601626682030.57926580835392163113127.5DRYL
2022-02-13 03:00:07FORECAST2022138-14635.1825.6830.43106.427599443780.01880.60882.392.9988FF3.18105.1846379.9831453332940.4406939869190.5936123269115163113127.5DRYL
2022-02-12 23:00:02FORECAST2022138-14634.8226.2930.555107.586549843690.03040.63042.393.0204FF2.82107.8246380.6236913299140.9499897389540.57746465214637163113127.5DRYL
2022-02-12 19:00:02FORECAST2022138-14635.0326.4630.745106.99282715710.03510.55512.392.9451FF3.03108.0346380.2957793780840.6889205915740.58690178849847163113127.5DRYL
2022-02-12 15:00:02FORECAST2022138-14635.8926.9131.4107.194848630210.03550.59552.392.9855FF3.89108.8946380.4074109766440.777714837450.62497277355337163113127.5DRYL
2022-02-12 11:00:02FORECAST2022138-14636.9926.5331.76106.313603526380.03950.60952.392.9995FF4.99108.9946379.9200384527640.3906683397960.67190461806173163113127.5DRYL
2022-02-12 07:00:06FORECAST2022138-14637.8426.4732.155105.173743793480.03830.42832.392.8183FF5.84109.8446379.2880188537739.8911409188620.7064411486478164112126DRYL
2022-02-12 03:00:04FORECAST2022138-14637.8426.7132.275105.321369684830.05460.47462.392.8646FF5.84110.8446379.3699763739.9557655285920.7064411486478164112126DRYL
2022-02-11 23:00:02FORECAST2022138-14637.5227.6332.575105.328299720370.03080.45082.392.8408FF5.52110.5246379.3738229650539.9587997313240.69363609873718163112125DRYL
2022-02-11 19:00:02FORECAST2022138-14637.9926.4132.2105.396517817920.02160.49162.392.8816FF5.99110.9946379.411684582539.9886703744270.71235705300641164113129DRYL
2022-02-11 15:00:03FORECAST2022138-14637.8627.5532.705105.703447715740.00960.51962.392.9096FF5.86110.8646379.5819521180940.1231210295530.7072331794762164113129DRYL
2022-02-11 11:00:02FORECAST2022138-14636.7127.7232.215105.129666136230.02640.51642.392.9064FF4.71109.7146379.2635422875339.871849578330.66017834799886163113127.5DRYL
2022-02-11 07:00:05FORECAST2022138-14636.1927.4231.805104.994556967990.02830.48832.392.8783FF4.19105.1946379.1884983451139.8127283911010.63799233184672163112125DRYL
2022-02-11 03:00:07FORECAST2022138-14636.8927.1332.01104.122753800470.02970.29972.392.6897FF4.89102.8946378.7036513404739.4316670518620.66773532019591163112125DRYL
2022-02-10 23:00:04FORECAST2022138-14632.1428.1530.145105.117049895550.00870.35872.42.7587FF0.14102.1446379.2565359150339.8663282089930.45499456058813162112124DRYL
2022-02-10 19:00:02FORECAST2022138-14636.0628.7832.42105.032707791590.01290.39292.42.7929FF4.06108.0646379.2096911390239.8294206811450.63236908930379163112125DRYL
2022-02-10 15:00:03FORECAST2022138-14636.2628.9632.61104.761073967560.01240.36242.42.7624FF4.26110.2646379.058753715839.7106021360730.64100803390432163112125DRYL
2022-02-10 11:00:03FORECAST2022138-14633.6826.5530.115104.461878564140.03650.38652.42.7865FF1.68103.6846378.8923807164839.5798098632810.52559425650528163112125DRYL
2022-02-10 07:00:04FORECAST2022138-14634.6128.3231.465104.123733653160.03130.40132.42.8013FF2.61104.6146378.7041968813339.4320949294060.5679828452473163112125DRYL
2022-02-10 03:00:05FORECAST2022138-14634.4326.9530.69104.566520046780.03130.47132.42.8713FF2.43109.4346378.9505828776439.6255437212130.55982408175872163112125DRYL
2022-02-09 23:00:04FORECAST2022138-14633.2826.5129.895106.309731974650.06850.78852.393.1785FF1.28109.2846379.9178948836540.3889695774550.50724438495894163113127.5DRYL
2022-02-09 19:00:03FORECAST2022138-14632.9323.0928.01107.507100120590.0120.8422.393.232FF0.93105.9346380.5798400473140.9150349678450.49117432929254162113126DRYL
2022-02-09 15:00:03FORECAST2022138-14632.9423.128.02107.41396090310.0120.8822.393.272FF0.94106.9446380.5284217501540.8740650163910.4916333990647162113126DRYL
2022-02-09 11:00:04FORECAST2022138-14629.0822.1825.63105.005829624030.01570.59572.392.9857FF-2.92101.0846379.1947605226639.8176604177670.32087350612557162113126DRYL
2022-02-09 07:00:08FORECAST2022138-14630.0121.625.805105.307687267290.01850.60852.413.0185FF-1.9994.0146379.3623815896939.949775041420.36009193059059162113126DRYL
2022-02-09 03:00:06FORECAST2022138-14629.9221.6125.765105.03817670910.01850.60852.433.0385FF-2.08109.9246379.2127289560439.8318136344230.35622334463281162113126DRYL
2022-02-08 23:00:04FORECAST2022138-14633.2423.2628.25109.616786504450.03680.84682.453.2968FF1.24116.2446381.7412580302641.8452499814440.50540791192455163113127.5DRYL
2022-02-08 19:00:03FORECAST2022138-14633.3123.1928.25109.743815288390.03680.84682.423.2668FF1.31115.3146381.8109910704741.9013948791170.50862164110469163113127.5DRYL
2022-02-08 15:00:02FORECAST2022138-14630.1120.8725.49111.246667877580.04680.93682.433.3668TF-1.89114.1146382.6342835294942.5667890583830.36440720326605162113126DRYL
2022-02-08 11:00:04FORECAST2022138-14633.3529.4331.39102.831841114420.01830.29832.432.7283FF1.35118.3546377.9837448262438.8687643918060.51045781991838163112125DRYL
2022-02-08 07:00:07FORECAST2022138-14631.429.0930.245103.459740533120.01830.29832.472.7683FF-0.6110.446378.3342019196839.1423583654140.4214344463299162112124DRYL
2022-02-08 03:00:06FORECAST2022138-14631.3631.0931.225102.490583148750.00550.29552.452.7455FF-0.64122.3646377.7930398254938.7202289612550.41963429874696162112124DRYL