MOUNT RAINIER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Tuesday, November 1, 2022

[ Monday, October 31, 2022 | Index | Today | Wednesday, November 2, 2022 ]

DAY 32 OF WATER YEAR 2023, FORECAST LAST UPDATED 11/02/2022 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): 28.38°F
MINIMUM TEMPERATURE (Tmin): 23.24°F
AVERAGE TEMPERATURE (Tavg): 25.81°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.087
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: -4
18-DAY CUMULATIVE DD32: 199

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: 0.18 in
DAY 1-3 (P3): 4.23 in
DAY 4-15 (P15): 2.81 in
18-DAY TOTAL (P18): 7.04 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: 11 in
SWE DAY: 62
CALCULATED SNOW DENSITY: 336.39 kg/m3
CALCULATED SWE: 3.60 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: 5
D2: 2
D3: 5
D4: 3
D5: 2
HSdry: 60.0

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
2022-11-02 04:00:04OBSERVATION20233211228.3800223.2399425.8099810.6955166666670.180000000000064.23000000000012.817.0400000000001TT-3.61998199.3800262336.38985460348 3.59786329640910.08729557700201416 15253260WETL
2022-11-02 00:00:02FORECAST20233211222.9822.9822.9810.0251727325070.00514.05512.816.8651TT-9.02193.9861334.94688317283.3579003600220.0245355527131081615153252.5WETL
2022-11-01 12:00:02FORECAST20233211236.2524.3230.28510.0399438613520.02924.07922.816.8892TT4.25207.2561334.956748638223.36294695230880.318958862691625253267.5WETL
2022-11-01 08:00:02FORECAST20233211235.1324.4529.7910.1300212469430.0364.0862.816.896TT3.13206.1361335.016902267723.39372833805690.275333618491711625253267.5WETL
2022-11-01 04:00:27FORECAST20233211234.5324.2529.3910.548258227060.05524.10522.816.9152TT2.53205.5361335.296020464393.53678900636390.253234944218171625253267.5WETL
2022-11-01 00:00:02FORECAST20233211232.623.628.115.4656261513330.11041.80042.814.6104TF0.6192.662339.539214474735.25118655478350.188949106911361615152235WETL
2022-10-31 20:00:01FORECAST20233211234.4324.1229.27514.3648324826710.11952.10952.814.9195TF2.43200.4362338.815822769624.86703253656390.249644525504441625253267.5WETL
2022-10-31 16:00:01FORECAST20233211230.5325.0227.77514.614150692330.15052.14052.814.9505TF-1.47196.5362338.979840614674.95390247240470.132407078296361615153252.5WETL
2022-10-31 12:00:05FORECAST20233211230.5825.1827.8815.7183049822830.14122.13122.814.9412TF-1.42196.5862339.704978320255.33958645323740.133618626571121615152235WETL
2022-10-31 08:00:03FORECAST20233211236.7424.7730.75516.7623117700030.18062.65062.815.4606TT4.74206.7462340.388747000635.70570230022540.338915632488051625252245WETL
2022-10-31 04:00:06FORECAST20233211230.7324.7327.7316.830594924330.17093.19092.816.0009TT-1.27202.7362340.433405676545.72969674965190.137298777018091615252240WETL
2022-10-31 00:00:05FORECAST20233211236.0424.4230.2318.0282389022910.11632.47632.815.2863TF4.04209.0462341.215433026936.15151334375810.310559736658861625252245WETL
2022-10-30 20:00:03FORECAST20233211235.9323.7729.8517.5262343499310.0933.5332.816.343TT3.93208.9362340.887927946125.9744817122460.306198896249181625252245WETL
2022-10-30 16:00:05FORECAST20233211230.9424.4127.67517.8166137550190.123.512.816.32TT-1.06201.9462341.077420827966.07684466744970.142565981618651615252240WETL
2022-10-30 12:00:04FORECAST20233211233.9424.6729.30516.8109053902860.07913.13912.815.9491TT1.94203.9462340.420529085485.72277730736720.232448779980511615252240WETL
2022-10-30 08:00:04FORECAST20233211231.225.1728.18517.2276939397180.12583.03582.815.8458TT-0.8203.262340.692963672355.86935410556260.149273792856131615252240WETL
2022-10-30 04:00:09FORECAST20233211233.0724.8328.9516.967820810120.08783.02782.815.8378TT1.07205.0762340.523130985515.77793546826320.203603311583351615252240WETL
2022-10-30 00:00:04FORECAST20233211230.7523.8627.30520.1464120287270.18913.32912.816.1391TT-1.25198.7562342.592728642846.90201426928460.137794629174281615152235WETL
2022-10-29 20:00:02FORECAST20233211228.2423.4425.8419.8322811881240.17313.26312.826.0831TT-3.76201.2462342.388939637896.79035372660220.084813867432351615252240WETL
2022-10-29 16:00:03FORECAST20233211232.0424.7328.38519.7884768295990.16233.38232.826.2023TT0.039999999999999207.0462342.360509111126.77479300191520.17236020839611615252240WETL
2022-10-29 12:00:07FORECAST20233211230.3824.5827.4819.3539681281260.1663.3462.826.166TT-1.62205.3862342.078326727986.62057303281580.128817814059261615252240WETL
2022-10-29 08:00:04FORECAST20233211233.525.9829.7418.4562935605470.08313.12312.835.9531TT1.5206.562341.494363926886.30272022990690.21758529098671615252240WETL
2022-10-29 04:00:06FORECAST20233211234.5325.9830.25517.1789045417330.082.742.845.58TT2.53206.5362340.661087297045.85218429975890.253234944218171625252245WETL
2022-10-29 00:00:05FORECAST20233211234.1224.8729.49534.2047963076370.31992.85992.65.4599TT2.12202.1262351.5484675992612.0246437264950.238688020503531615251220WETL
2022-10-28 20:00:03FORECAST20233211232.4924.4828.48533.3735665165880.26442.75442.665.4144TT0.49208.4962351.0277903122211.7150493091560.18561539682821615251220WETL
2022-10-28 16:00:05FORECAST20233211230.0424.2927.16533.4173874369110.24912.80912.665.4691TT-1.96204.0462351.0552669283211.7313498667120.120932919566711615251220WETL
2022-10-28 12:00:05FORECAST20233211234.3225.3129.81532.4710857711620.21112.87112.675.5411TT2.32207.3262350.4612357673111.3798568460680.245726467328591615251220WETL
2022-10-28 08:00:04FORECAST20233211229.9825.5527.76533.01238162910.17733.26732.956.2173TT-2.02202.9862350.8012034529811.5807832043370.119577389528521615251220WETL
2022-10-28 04:00:17FORECAST20233211229.9825.5927.78533.4216024466940.17733.48733.166.6473TT-2.02205.9862351.057909664711.7329178925810.119577389528521615251220WETL
2022-10-28 00:00:07FORECAST20233211231.8123.9727.8926.6935313002490.38342.98343.046.0234TT-0.19209.8162346.803300349589.25740475291110.165824005563771615252240WETL
2022-10-27 20:00:05FORECAST20233211233.2326.2929.7626.6750978729240.40972.75973.15.8597TT1.23209.2362346.791543499539.25069836435230.208742314273771615252240WETL
2022-10-27 16:00:05FORECAST20233211230.8926.1728.5327.2085424299810.41082.59083.225.8108TT-1.11213.8962347.131552296159.44494356943490.141299693599811615252240WETL
2022-10-27 12:00:04FORECAST20233211235.8128.7732.2925.3699942850040.57423.28423.186.4642TT3.81217.8162345.957746998.77694606398930.301472726130871625252245WETL
2022-10-27 08:00:03FORECAST20233211235.6427.7131.67525.247550872610.59923.28923.226.5092TT3.64217.6462345.879379184468.73260722174640.294834090976791625252245WETL
2022-10-27 04:00:09FORECAST20233211235.6427.6731.65525.5414113781790.59923.20923.196.3992TT3.64213.6462346.067418622788.83905030362890.294834090976791625252245WETL
2022-10-27 00:00:04FORECAST20233211234.8625.5630.2111.5886468163230.48993.92992.936.8599TT2.86216.8662336.982431196413.90517037844110.265272969877641625253267.5WETL
2022-10-26 20:00:05FORECAST20233211234.8625.5130.18511.8075716535520.48993.73993.126.8599TT2.86212.8662337.127479058513.98065686536450.265272969877641625253267.5WETL
2022-10-26 16:00:05FORECAST20233211233.4524.2528.8511.5255792083550.56673.87673.37.1767TT1.45215.4562336.940631013253.88343593125640.215931612479551615253260WETL
2022-10-26 12:00:03FORECAST20233211235.1928.1631.6757.988174603230.03172.30173.215.5117TF3.19218.1962334.585343782592.6727261458170.27759452109971625253267.5WETL
2022-10-26 08:00:06FORECAST2023321123525.530.259.50685518464140.31072.85073.426.2707TT322162335.599110022113.19049213907470.27046626383991625253267.5WETL
2022-10-26 04:00:20FORECAST20233211235.0425.530.279.12123722010150.31072.89073.776.6607TT3.04223.0462335.342068404793.05873455579960.271959326937751625253267.5WETL
2022-10-26 00:00:07FORECAST20233211234.7825.0329.90512.1277651298120.05433.84433.016.8543TT2.78219.7862337.339476895194.09117394479870.262328240580791625253267.5WETL
2022-10-25 20:00:06FORECAST20233211233.812529.4059.00035262959990.10824.21824.098.3082TT1.81229.8162335.261438438413.01747116905250.227999574010291615253260WETL
2022-10-25 16:00:05FORECAST20233211233.8826.4930.1858.94039024584020.08234.22233.898.1123TT1.88226.8862335.221434369172.99701044203070.230389334986461615253260WETL
2022-10-25 12:00:07FORECAST20233211230.5125.9428.22515.2314091112740.06042.89044.157.0404TT-1.49216.5162339.385467000145.16931889430010.131924579026611615252240WETL
2022-10-25 08:00:06FORECAST20233211230.6326.2328.4319.077238914230.03522.90523.986.8852TT-1.37202.6362341.898448458296.52247838564320.134837753513741615252240WETL
2022-10-25 04:00:17FORECAST20233211230.6929.5830.13519.4231255192770.00842.87843.776.6484TT-1.31205.6962342.123260358546.64510302900830.136310721639111615252240WETL