MOUNT RAINIER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Wednesday, March 2, 2022

[ Tuesday, March 1, 2022 | Index | Today | Thursday, March 3, 2022 ]

DAY 153 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/03/2022 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): 34.36°F
MINIMUM TEMPERATURE (Tmin): 31.11°F
AVERAGE TEMPERATURE (Tavg): 32.74°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.534
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: -172

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: 0.25 in
DAY 1-3 (P3): 2.46 in
DAY 4-15 (P15): 6.44 in
18-DAY TOTAL (P18): 7.18 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: 123 in
SWE DAY: 61
CALCULATED SNOW DENSITY: 400.46 kg/m3
CALCULATED SWE: 49.19 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: -131

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 3
D1: 1
D2: 1
D3: 5
D4: 1
D5: 2
HSdry: 12.5

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
2022-03-03 07:00:04OBSERVATION2022153-13134.3599831.1100832.73503122.840961666670.252.462.524.98TF2.35998-171.6400261400.46218986147 49.1931605137230.5336036777479616 31151212.5WETL
2022-03-03 03:00:04OBSERVATION2022153-13134.3599831.1100832.73503122.840961666670.252.462.524.98TF2.35998-171.6400261400.46218986147 49.1931605137230.5336036777479616 31151212.5WETL
2022-03-02 11:00:02FORECAST2022153-13138.2930.1434.215125.560929143580.3062.5162.525.036TF6.29-167.7161401.8215308359650.4530847616570.715628878376881641151215WETL
2022-03-02 07:00:05FORECAST2022153-13137.6228.7933.205125.86587890860.2812.4912.525.011TF5.62-168.3861401.9733490023550.5947288700150.686913024603881631151212.5WETL
2022-03-02 03:00:05FORECAST2022153-13135.730.3733.035126.002633876410.24962.45962.524.9796TF3.7-170.361402.0413937985750.6582745459650.598665419965291631151212.5WETL
2022-03-01 23:00:01FORECAST2022153-13137.5430.2533.895129.779425621750.33412.60412.525.1241TF5.54-165.4661403.9112920484652.4193754841880.68340239846191631151212.5WETL
2022-03-01 19:00:01FORECAST2022153-13133.3730.131.735129.811609338590.27332.54332.525.0633TF1.37-169.6361403.9271493255452.4344333094990.48485089813871621151210WETL
2022-03-01 15:00:02FORECAST2022153-13137.2730.5433.905130.001555766260.37362.64362.525.1636TF5.27-165.7361404.0207116566252.5233210771520.671433152934551631151212.5WETL
2022-03-01 11:00:02FORECAST2022153-13137.5830.1433.86130.234117134750.32792.59792.525.1179TF5.58-165.4261404.1352034726552.6321914273340.685159801328151631151212.5WETL
2022-03-01 07:00:05FORECAST2022153-13137.3530.3633.855130.640442724120.31722.73722.525.2572TF5.35-168.6561404.3350785643452.8225136725380.674998678570841631151212.5WETL
2022-03-01 03:00:05FORECAST2022153-13133.731.0132.355130.705611808960.3542.8742.525.394TT1.7-171.361404.3671166125752.8530513722690.501113001819691631151212.5WETL
2022-02-28 23:00:02FORECAST2022153-13135.8730.9533.410.498098348578350.34384.34382.526.8638TT3.87-165.1361328.506126562770.163628359138790.606765317913931631154250WETH
2022-02-28 19:00:02FORECAST2022153-13133.4530.7132.080.684397290351250.28424.21422.526.7342TT1.45-168.5561328.633573402110.224915927154850.488791941952721621154240WETH
2022-02-28 15:00:02FORECAST2022153-13136.1730.4533.310.557084800388180.3164.3962.526.916TT4.17-164.8361328.546485634670.183028253368030.620945146080461631154250WETH
2022-02-28 11:00:02FORECAST2022153-13136.0130.3833.1950.526849589906530.33344.42342.526.9434TT4.01-164.9961328.525799181430.173083682572450.613401470528111631154250WETH
2022-02-28 07:00:04FORECAST2022153-13134.1330.0632.095NAN0.41385.52382.528.0438TT2.13-166.8761NANNAN0.522296145799071631155262.5WETH
2022-02-28 03:00:05FORECAST2022153-13134.130.5332.315NAN0.53456.59452.529.1145TT2.1-167.961NANNAN0.520819601779391631155262.5WETH
2022-02-27 23:00:02FORECAST2022153-13133.7230.4732.0950.888597933310850.52256.98253.7310.7125TT1.72-133.2861328.773197508280.292147183833860.502098796472551631154250WETH
2022-02-27 19:00:01FORECAST2022153-13133.7530.3832.0650.919060354825990.64456.94453.7310.6745TT1.75-134.2561328.794020268110.302181548932270.50357746254241631154250WETH
2022-02-27 15:00:02FORECAST2022153-13133.9730.1532.060.918454842449660.53616.70613.7310.4361TT1.97-134.0361328.79360638240.301982079948410.514418202067241631154250WETH
2022-02-27 11:00:02FORECAST2022153-13135.4530.1332.793.27228686576730.58466.84463.7310.5746TT3.45-133.5561330.397721682621.08115612514150.586677353614571631154250WETH
2022-02-27 07:00:06FORECAST2022153-13134.7330.4632.595NAN0.6346.8443.8610.704TT2.73-131.2761NANNAN0.551735982229291631155262.5WETH
2022-02-27 03:00:06FORECAST2022153-13135.0729.8132.44NAN0.5636.6834.110.783TT3.07-134.9361NANNAN0.568303346467271631155262.5WETH
2022-02-26 23:00:03FORECAST2022153-13135.6129.9332.772.26165634214120.56696.62694.3110.9369TT3.61-92.3961329.710160817560.745691076281420.594359772814191631154250WETH
2022-02-26 19:00:03FORECAST2022153-13137.1230.8333.9754.32068829075440.60166.66164.0710.7316TT5.12-91.8861331.109116476771.43061928252320.664705786934891631154250WETH
2022-02-26 15:00:02FORECAST2022153-13137.7931.5434.6651.86508059843570.53966.15963.9410.0996TT5.79-91.2161329.439876445650.614431921909830.694316840556311631154250WETH
2022-02-26 11:00:03FORECAST2022153-13134.931.8133.3552.30077120620970.75816.42814.0710.4981TT2.9-97.161329.736804625110.758648945709060.560032803448041631154250WETH
2022-02-26 07:00:06FORECAST2022153-13136.3330.0233.175NAN0.45736.15733.9910.1473TT4.33-95.6761NANNAN0.628443052987861631155262.5WETH
2022-02-26 03:00:07FORECAST2022153-13137.0130.0333.52NAN0.44545.59543.989.5754TT5.01-95.9961NANNAN0.659738462828021631155262.5WETH
2022-02-25 23:00:03FORECAST2022153-13137.0928.6732.884.38906840823680.58115.26113.829.0811TT5.09-61.9161331.155450160481.45346392451480.663353868366651631154250WETH
2022-02-25 19:00:04FORECAST2022153-13136.9729.2133.094.43500136122670.60525.10523.878.9752TT4.97-54.0361331.186569351881.46881288589560.657925216003861631154250WETH
2022-02-25 15:00:02FORECAST2022153-13137.0729.2233.1450.0280379476846910.67365.35363.849.1936TT5.07-57.9361328.184290736460.00920161397460620.66245141440781631155262.5WETH
2022-02-25 11:00:02FORECAST2022153-13135.1832.0533.6150.22305625877591.25195.98193.69.5819TT3.18-59.8261328.317860387420.0732333536273270.573639199790071631154250WETH
2022-02-25 07:00:07FORECAST2022153-13138.5931.5135.05NAN1.22055.36053.418.7705TT6.59-61.4161NANNAN0.728066049565691641155275WETH
2022-02-25 03:00:08FORECAST2022153-13138.731.5335.115NAN1.22055.46053.418.8705TT6.7-56.361NANNAN0.732557663056941641155275WETH
2022-02-24 23:00:03FORECAST2022153-13139.4830.935.190.198243214669921.10554.65553.518.1655TT7.48-31.5261328.300869402050.0650834197291940.763298830246811641154260WETH
2022-02-24 19:00:03FORECAST2022153-13138.5533.9736.2601.2885.1583.398.548TT6.55-32.4561328.1650818741100.726423493877091641155275WETH
2022-02-24 15:00:03FORECAST2022153-13140.3331.673600.41183.35183.256.6018TT8.33-26.6761328.1650818741100.794462796733221641155275WETH
2022-02-24 11:00:03FORECAST2022153-13139.8631.6535.7550.177181620665610.43292.77293.386.1529TT7.86-34.1461328.286446420190.0581663246192840.777541324300741641154260WETH
2022-02-24 07:00:05FORECAST2022153-1314032.1736.085NAN0.45832.52833.335.8583TT8-3161NANNAN0.782662953782091641155275WETH
2022-02-24 03:00:06FORECAST2022153-13139.9932.2236.105NAN0.45832.75833.175.9283TT7.99-32.0161NANNAN0.782299392236511641155275WETH
2022-02-23 23:00:03FORECAST2022153-13137.6229.9333.77500.70634.19633.147.3363TT5.62-3.3861328.1650818741100.686913024603881631155262.5WETH
2022-02-23 19:00:04FORECAST2022153-13137.6931.0434.36500.46534.00533.227.2253TT5.69-5.3161328.1650818741100.689971010029451631155262.5WETH
2022-02-23 15:00:02FORECAST2022153-13137.5631.1834.3700.20143.45143.136.5814TT5.56-4.4461328.1650818741100.684281620289591631155262.5WETH
2022-02-23 11:00:02FORECAST2022153-13133.530.9332.21500.01274.03273.197.2227TT1.5-15.561328.1650818741100.49125567465191621155250WETH
2022-02-23 07:00:05FORECAST2022153-13132.6430.3331.485NAN0.00644.02643.277.2964TT0.64-17.3661NANNAN0.449005117217241621155250WETL
2022-02-23 03:00:10FORECAST2022153-13132.8832.2632.57NAN03.433.246.67TT0.88-8.1261NANNAN0.460758578693771621155250WETH