MOUNT RAINIER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Monday, February 28, 2022

[ Sunday, February 27, 2022 | Index | Today | Tuesday, March 1, 2022 ]

DAY 151 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/01/2022 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): 38.35°F
MINIMUM TEMPERATURE (Tmin): 35.36°F
AVERAGE TEMPERATURE (Tavg): 36.86°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.666
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: 6
18-DAY CUMULATIVE DD32: -144

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: 1.81 in
DAY 1-3 (P3): 2.73 in
DAY 4-15 (P15): 6.53 in
18-DAY TOTAL (P18): 6.53 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: 135 in
SWE DAY: 59
CALCULATED SNOW DENSITY: 404.27 kg/m3
CALCULATED SWE: 54.58 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: -133

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
2022-03-01 07:00:04OBSERVATION2022151-13338.3500435.3600636.85505129.097809090911.81000000000011.81000000000012.524.3300000000001TF6.35004-143.6499659402.09265210963 51.9092804389070.6661810462571716 31151212.5WETL
2022-03-01 03:00:04OBSERVATION2022151-13338.3500435.3600636.85505129.097809090911.81000000000011.81000000000012.524.3300000000001TF6.35004-143.6499659402.09265210963 51.9092804389070.6661810462571716 31151212.5WETL
2022-02-28 11:00:01FORECAST2022151-13341.7136.6139.1602.9762.9762.525.496TT9.71-140.2959326.1072867798400.790934238829561641155275WETH
2022-02-28 07:00:04FORECAST2022151-13341.9934.9538.47NAN4.20194.20192.526.7219TT9.99-140.0159NANNAN0.799928064280321641155275WETH
2022-02-28 03:00:04FORECAST2022151-13340.7234.3337.525NAN4.97814.97812.527.4981TT8.72-141.2859NANNAN0.757288415137711641155275WETH
2022-02-27 23:00:01FORECAST2022151-13341.4933.9937.7405.33766.54762.529.0676TT9.49-107.5159326.1072867798400.783703822049151641155275WETH
2022-02-27 19:00:01FORECAST2022151-13341.9935.0238.50504.98196.19192.528.7119TT9.99-107.0159326.1072867798400.799928064280321641155275WETH
2022-02-27 15:00:01FORECAST2022151-13341.8433.137.4704.76375.97372.528.4937TT9.84-107.1659326.1072867798400.795139145893731641155275WETH
2022-02-27 11:00:02FORECAST2022151-13341.133.3537.2252.0383816742474.77595.98592.528.5059TT9.1-107.959327.510854073020.667592123059420.770537411219231641154260WETH
2022-02-27 07:00:05FORECAST2022151-13342.0534.8938.47NAN4.70096.04092.528.5609TT10.05-104.9559NANNAN0.801824672027531641155275WETH
2022-02-27 03:00:06FORECAST2022151-13337.6734.2135.94NAN4.61746.19742.528.7174TT5.67-109.3359NANNAN0.637744376026261631155262.5WETH
2022-02-26 23:00:03FORECAST2022151-13341.3535.5438.4451.85238174017894.5626.3522.528.872TT9.35-66.6559327.38308129010.606438441825280.779028385208421641154260WETH
2022-02-26 19:00:03FORECAST2022151-13341.7531.8136.783.52285884132364.61246.16242.528.6824TT9.75-69.2559328.528456140381.15735937634050.792233428416731641154260WETH
2022-02-26 15:00:02FORECAST2022151-1334134.3937.6951.79761683062674.35435.77432.528.2943TT9-6759327.345448992930.588441688538740.767090585408061641154260WETH
2022-02-26 11:00:03FORECAST2022151-13340.4734.1737.322.1630570371044.54986.09982.528.6198TT8.47-68.5359327.596466113490.708609841357170.748351464194391641154260WETH
2022-02-26 07:00:06FORECAST2022151-13337.0733.4435.255NAN4.41575.88572.528.4057TT5.07-69.9359NANNAN0.612001147315371631155262.5WETH
2022-02-26 03:00:07FORECAST2022151-13340.2433.2236.73NAN4.08085.54082.528.0608TT8.24-70.7659NANNAN0.739978699615791641155275WETH
2022-02-25 23:00:02FORECAST2022151-13337.0333.4835.2552.79578181138763.70965.00962.527.5296TT5.03-38.9759328.03052769120.917101782898940.610265870825541631154250WETH
2022-02-25 19:00:03FORECAST2022151-13339.332.7362.76054444518713.43494.78492.527.3049TT7.3-31.759328.006372507110.905476169610480.704330410581051641154260WETH
2022-02-25 15:00:02FORECAST2022151-13336.9533.9135.430.521295281018023.41784.73782.527.2578TT4.95-36.0559326.466926646910.170185668269490.606788750206121631154250WETH
2022-02-25 11:00:02FORECAST2022151-13337.0432.1234.580.732221592109243.30694.38692.526.9069TT5.04-35.9659326.612308736250.239152584705330.610699897491841631154250WETH
2022-02-25 07:00:06FORECAST2022151-13335.2633.2534.255NAN3.07363.96362.526.4836TT3.26-36.7459NANNAN0.531768415763111631155262.5WETH
2022-02-25 03:00:08FORECAST2022151-13339.131.4435.27NAN2.82853.71852.526.2385TT7.1-33.959NANNAN0.696465779853481631155262.5WETH
2022-02-24 23:00:03FORECAST2022151-1333730.2833.640.982873881336592.36373.33372.545.8737TT5-1259326.784970924510.321188412735040.608962967813671631154250WETH
2022-02-24 19:00:03FORECAST2022151-13336.6330.6433.6350.318584059602452.59213.44212.545.9821TT4.63-12.3759326.327133435410.103962622928280.592797555737631631154250WETH
2022-02-24 15:00:03FORECAST2022151-13338.0832.4235.250.635119993745132.17622.88622.545.4262TT6.08-8.9259326.545390614480.207395506444570.654991922149011631154250WETH
2022-02-24 11:00:03FORECAST2022151-13333.6231.1532.3850.793056287332281.88772.72772.545.2677TF1.62-15.3859326.654224905920.25905518684530.457843213701661621154240WETM
2022-02-24 07:00:05FORECAST2022151-13333.7531.1932.47NAN1.82412.62412.535.1541TF1.75-12.2559NANNAN0.463683588277011621155250WETM
2022-02-24 03:00:05FORECAST2022151-13333.5729.9431.755NAN2.04682.64682.575.2168TF1.57-13.4359NANNAN0.45559926759851621155250WETL
2022-02-23 23:00:02FORECAST2022151-13335.2530.432.82503.0263.5862.586.166TT3.2516.2559326.1072867798400.531318378789021631155262.5WETH
2022-02-23 19:00:03FORECAST2022151-13335.2430.3932.8150.173691082585013.07733.74732.556.2973TT3.2414.2459326.227168578770.0566627500790890.530868301793591631154250WETH
2022-02-23 15:00:02FORECAST2022151-13335.7230.2232.9702.94353.50352.576.0735TT3.7215.7259326.1072867798400.552416983315711631155262.5WETH
2022-02-23 11:00:02FORECAST2022151-13338.1329.4833.8050.192262464714152.19072.79072.595.3807TT6.1312.1359326.239983440030.0627237033044840.657074281367231631154250WETH
2022-02-23 07:00:05FORECAST2022151-13338.2529.5333.89NAN2.19072.86072.65.4607TT6.2511.2559NANNAN0.662052427095611631155262.5WETH
2022-02-23 03:00:10FORECAST2022151-13338.1228.3433.23NAN1.97432.63432.585.2143TF6.1216.1259NANNAN0.656658188352011631155262.5WETM
2022-02-22 23:00:04FORECAST2022151-13336.8631.4234.14127.22073295732.20692.59692.585.1769TF4.8634.8659401.1568579944251.0354695048960.602866797869751631151212.5WETL
2022-02-22 19:00:03FORECAST2022151-13336.928.6432.77126.694570001012.09062.60062.565.1606TF4.938.959400.8937440725750.7910605213680.604611197647731631151212.5WETL
2022-02-22 15:00:03FORECAST2022151-13336.9428.6932.815126.640997757812.09062.59062.555.1406TF4.9439.9459400.8669349182850.7661886061660.606353504426251631151212.5WETL
2022-02-22 11:00:03FORECAST2022151-13338.2827.9833.13126.926953977060.46160.88162.553.4316TF6.2839.2859401.0099937472350.8989770206940.66329259229511163113127.5DRYL
2022-02-22 07:00:07FORECAST2022151-13338.9230.3934.655126.792908932440.4240.7342.573.304FF6.9235.9259400.9429463245450.836722480430.68930887778139163113127.5DRYL
2022-02-22 03:00:06FORECAST2022151-13339.0230.4334.725126.580286744570.4240.7342.563.294FF7.0243.0259400.8365488998550.7380052974450.69329400398801163113127.5DRYL
2022-02-21 23:00:03FORECAST2022151-13338.5531.2234.885120.351779980040.41040.47042.73.1704FF6.5557.5559397.694133256747.8631968250630.67437294398357163112125DRYL
2022-02-21 19:00:02FORECAST2022151-13339.1731.0835.125120.276938220560.49360.50362.73.2036FF7.1756.1759397.6560708903447.8288546715070.69922901573992164113129DRYL
2022-02-21 15:00:03FORECAST2022151-13339.2931.1535.22120.404890141470.33580.34582.713.0558FF7.2962.2959397.721139168547.8875700685220.70393940915934164112126DRYL
2022-02-21 11:00:04FORECAST2022151-13333.9129.7731.84121.596582706080.12661.00662.73.7066TF1.9139.9159398.3261442783748.4350979467390.47088236739233162114128DRYL
2022-02-21 07:00:08FORECAST2022151-13332.5930.4831.535121.730130713120.12551.00552.753.7555TF0.5943.5959398.3938306320648.4965330781410.41199143900615162114128DRYL
2022-02-21 03:00:04FORECAST2022151-1333332.2732.635122.632955103090.09180.87182.873.7418TF14059398.8508088171448.9122533305040.43013559669104162113126DRYL