MOUNT RAINIER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Sunday, November 13, 2022

[ Saturday, November 12, 2022 | Index | Today | Monday, November 14, 2022 ]

DAY 44 OF WATER YEAR 2023, FORECAST LAST UPDATED 11/14/2022 07:00:08 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): 35.64°F
MINIMUM TEMPERATURE (Tmin): 24.88°F
AVERAGE TEMPERATURE (Tavg): 30.26°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.401
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: 10

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): 0.00 in
DAY 4-15 (P15): 15.48 in
18-DAY TOTAL (P18): 15.48 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: 28 in
SWE DAY: 49
CALCULATED SNOW DENSITY: 334.68 kg/m3
CALCULATED SWE: 9.23 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: 124

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 2
D1: 5
D2: 1
D3: 1
D4: 2
D5: 2
HSdry: 8.0

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
2022-11-14 07:00:08OBSERVATION20234412435.6399624.8799230.2599427.5754041666670015.4815.48TT3.639969.6399649334.67789922657 9.22887833682370.401451396837916 2511228WETL
2022-11-14 03:00:09OBSERVATION20234412435.6399624.8799230.2599427.5754041666670015.4815.48TT3.639969.6399649334.67789922657 9.22887833682370.401451396837916 2511228WETL
2022-11-13 11:00:01FORECAST20234412444.429.1636.7827.6862133333330.00320.003215.4815.4832TT12.418.449334.751974052669.26801456737650.773074584543441645112210WETL
2022-11-13 07:00:13FORECAST20234412443.8626.7235.2927.6172032016860.00280.002815.4815.4828TT11.8617.8649334.705843914829.24363930418750.754097805734891645112210WETL
2022-11-13 03:00:10FORECAST20234412436.1623.9830.0727.8224293333330.0020.00215.4815.482TT4.1610.1649334.843004531629.31614583134190.42453218273744162511228WETL
2022-11-12 23:00:06FORECAST20234412444.8625.134.9828.7026133333330015.4815.48TT12.8629.8649335.430455552989.62773066596110.78856787452021645112210WETL
2022-11-12 19:00:01FORECAST20234412444.6624.6734.66528.7089546666670015.4815.48TT12.6629.6649335.434683112399.62997911110130.781908965659621645112210WETL
2022-11-12 15:00:02FORECAST20234412443.8425.0334.43528.7167173333330.00040.000415.4815.4804TT11.8428.8449335.439858135529.63273158841110.753378997818751645112210WETL
2022-11-12 11:00:02FORECAST20234412443.8225.8234.8228.4915535161760.00040.000415.4815.4804TT11.8228.8249335.289710023979.55292471657110.752659067715021645112210WETL
2022-11-12 07:00:11FORECAST20234412443.726.0334.86528.4129632429270.00270.002715.4815.4827TT11.728.749335.23728271079.52508459131760.748316033333981645112210WETL
2022-11-12 03:00:23FORECAST20234412443.9725.5334.7528.645891929130.00080.000815.4815.4808TT11.9718.9749335.392638220389.60762126828690.75803110287261645112210WETL
2022-11-11 23:00:03FORECAST20234412443.7425.9834.8629.5074459913060.00120.011215.4815.4912TT11.7440.7449335.966467403699.91351239180430.749768165341541645112210WETL
2022-11-11 19:00:02FORECAST20234412444.3526.3535.3529.4908631414340.00080.010815.4815.4908TT12.3541.3549335.955434416049.90761573798430.771352859560181645112210WETL
2022-11-11 15:00:02FORECAST20234412444.824.8234.8129.466548977220.00080.010815.4815.4908TT12.841.849335.939256750019.89897056239510.786582784401091645112210WETL
2022-11-11 11:00:04FORECAST20234412444.2824.4434.3629.318916599460.00080.010815.4815.4908TT12.2841.2849335.841006655949.8464944648240.768930188305921645112210WETL
2022-11-11 07:00:09FORECAST20234412437.0726.0231.54529.17917604511700.0115.4815.49TT5.0735.0749335.747974663229.79684925948960.46550229843642162511228WETL
2022-11-11 03:00:06FORECAST20234412436.6825.5131.09529.4041919324810.00950.029515.4815.5095TT4.6827.6849335.897762315639.87680227281990.44787291405693162511228WETL
2022-11-10 23:00:02FORECAST20234412443.6625.9534.80530.2203249998110.0130.02315.4815.503TT11.6654.6649336.4403246337910.1673359534750.7468594694019164511125WETL
2022-11-10 19:00:02FORECAST20234412443.5825.2234.430.3947537677140.00820.018215.4815.4982TT11.5848.5849336.5561384424310.229540956970.74393311304119164511125WETL
2022-11-10 15:00:02FORECAST20234412444.1525.6434.89530.3345752460010.00890.018915.4815.4989TT12.1551.1549336.5161880796210.2080756287990.76439322782075164511125WETL
2022-11-10 11:00:03FORECAST20234412433.325.1929.24530.3761107430020.02670.036715.4815.5167TT1.344.349336.5437626596410.2228906044160.30281131276036162511124WETL
2022-11-10 07:00:09FORECAST20234412441.2726.0933.6830.2686119509170.0380.05815.4815.538TT9.2748.2749336.4723903973610.1845522171350.65253770942165163511124.5WETL
2022-11-10 03:00:17FORECAST20234412440.3426.5733.45530.2808149300230.04180.071815.4815.5518TT8.3447.3449336.4804933687510.1889035472620.61262539921535163511124.5WETL
2022-11-09 23:00:03FORECAST20234412442.2127.7634.98531.9583711540830.03530.065315.4815.5453TT10.2160.2149337.5920301996810.7888913997820.69122862352468163511124.5WETL
2022-11-09 19:00:04FORECAST20234412442.2328.335.26531.9929408635930.03430.064315.4815.5443TT10.2355.2349337.614886074310.8012930848440.69203112001843163511124.5WETL
2022-11-09 15:00:04FORECAST20234412442.2629.3335.79532.0521306756530.03430.084315.4815.5643TT10.2651.2649337.6540149493810.8225306103160.69323314545664163511124.5WETL
2022-11-09 11:00:09FORECAST20234412443.227.6135.40531.7596819637040.00080.040815.4815.5208TT11.256.249337.4606272802710.7176421976930.72979605914103164511125WETL
2022-11-09 07:00:27FORECAST20234412437.4528.3132.8831.93701728332500.0415.4815.52TT5.4549.4549337.5779110166110.7812315786060.48274531487643162511124WETL
2022-11-09 03:00:20FORECAST20234412437.4629.2933.37531.72040439182400.0415.4815.52TT5.4652.4649337.4346432416410.7035633394360.48319965685906162511124WETL
2022-11-08 23:00:08FORECAST20234412445.6627.2136.43532.36398277712300.115.4815.58TT13.6671.6649337.8600753015910.9344976581380.813989045448731645121210WETL
2022-11-08 19:00:07FORECAST20234412446.9630.4938.72531.9641040015.4815.48TT14.9674.9649337.5958206280110.7909479205190.85105752627853165511125.5WETL
2022-11-08 15:00:04FORECAST20234412446.9630.9738.96532.0191776534830015.4815.48TT14.9673.9649337.6322312727810.8107063946650.85105752627853165511125.5WETL
2022-11-08 11:00:07FORECAST20234412448.4933.3340.9131.9068549449860015.4815.48TT16.4978.4949337.5579663683910.770413068440.88792837782936165511125.5WETL
2022-11-08 07:00:13FORECAST20234412448.5234.2941.40531.5656744194860015.4815.48TT16.5276.5249337.3322565577310.6481201816920.88857964817734165511125.5WETL
2022-11-08 03:00:14FORECAST20234412448.1434.141.1231.5904394775160.04490.044915.4915.5349TT16.1468.1449337.3486465994610.6569920032220.88012920856494165511125.5WETL
2022-11-07 23:00:13FORECAST20234412447.5732.7240.14525.72288241484200.0115.4515.46TT15.5769.5749333.436414016898.5769456705830.866625680928731655112211WETM
2022-11-07 19:00:02FORECAST20234412446.5933.2339.9126.3079246274010.00670.036715.4515.4867TT14.5981.5949333.829116963098.78235124749670.841046772276441645112210WETL
2022-11-07 15:00:06FORECAST20234412446.5233.2439.8826.1906690744070.00670.036715.4615.4967TT14.5280.5249333.750457255458.74114777940940.839104490228121645112210WETL
2022-11-07 11:00:05FORECAST20234412447.823239.9126.8605457235340015.4515.45TT15.8281.8249334.199522039068.97678154251360.872671549988551655112211WETL
2022-11-07 07:00:10FORECAST20234412447.8130.6839.24527.5416357615380015.4615.46TT15.8176.8149334.655321238359.21695496320690.872433425361211655112211WETL
2022-11-07 03:00:37FORECAST20234412445.6832.0938.88528.1711222894270015.5315.53TT13.6868.6849335.075885735559.43946375329430.814599341820321645112210WETL
2022-11-06 23:00:04FORECAST20234412440.5729.3134.9420.5843521939870.03060.030615.0815.1106TT8.5766.5749329.96204635946.79205497291060.62262653476051163511229WETL
2022-11-06 19:00:08FORECAST20234412440.528.9634.7320.5995359526870.00150.001515.0715.0715TT8.563.549329.972379655436.79727789810580.61959105831733163511229WETL
2022-11-06 15:00:05FORECAST20234412440.6129.1234.86520.5129673199520015.0515.05TT8.6162.6149329.91346009346.76750402530810.6243577121945163511229WETL
2022-11-06 11:00:07FORECAST20234412435.5331.0333.2822.209790151020015.0615.06TT3.5357.5349331.065977899337.35290589528630.39661193323434162511228WETL
2022-11-06 07:00:07FORECAST20234412431.3629.7230.5424.4168574580910.00150.031515.4215.4515TT-0.6443.3649332.557651311158.12001276866190.23040766838509161511227WETL
2022-11-06 03:00:14FORECAST20234412430.0629.7229.8925.8772216523670.00120.031215.6915.7212TT-1.9451.0649333.54006915298.63109029941540.18787722712649161511227WETL