MOUNT RAINIER
GEOLOGY & WEATHER
Hello guest! [ Log In ]
MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Wednesday, November 23, 2022

[ Tuesday, November 22, 2022 | Index | Today | Thursday, November 24, 2022 ]

DAY 54 OF WATER YEAR 2023, FORECAST LAST UPDATED 11/24/2022 07:00:23 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): 40.19°F
MINIMUM TEMPERATURE (Tmin): 24.18°F
AVERAGE TEMPERATURE (Tavg): 32.19°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.673
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: 8
18-DAY CUMULATIVE DD32: 90

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): 1.49 in
DAY 4-15 (P15): 1.18 in
18-DAY TOTAL (P18): 2.67 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: 26 in
SWE DAY: 39
CALCULATED SNOW DENSITY: 323.70 kg/m3
CALCULATED SWE: 8.56 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: 134

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 3
D1: 4
D2: 1
D3: 4
D4: 2
D5: 2
HSdry: 32.0

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
2022-11-24 07:00:23OBSERVATION20235413440.1924.1800832.1850426.45321652173901.491.182.67FF8.1990.1939323.7025349893 8.56297324670770.6725292772735516 34142232DRYL
2022-11-24 03:00:28OBSERVATION20235413440.1924.1800832.1850426.45321652173901.491.182.67FF8.1990.1939323.7025349893 8.56297324670770.6725292772735516 34142232DRYL
2022-11-23 11:00:02FORECAST20235413443.631.8937.74524.5814720.00291.49291.182.6729FF11.693.639322.395833157677.92496414568190.799408882378811644142236DRYL
2022-11-23 07:00:33FORECAST20235413443.9533.1338.5424.172008750.00371.49371.182.6737FF11.9593.9539322.109149670727.78602518429580.810521306802181644142236DRYL
2022-11-23 03:00:08FORECAST20235413444.427.0635.7324.212124697510.00831.49831.182.6783FF12.494.439322.137249811717.79962726215420.824240595529221644142236DRYL
2022-11-22 23:00:02FORECAST20235413443.0627.1435.123.6356067879120.02591.12591.182.3059FF11.0690.0639321.733139305937.60435797127540.781517581422971644142236DRYL
2022-11-22 19:00:04FORECAST20235413443.128.1135.60523.5717462136790.03051.13051.182.3105FF11.190.139321.688339789917.58275590542760.782873521032651644142236DRYL
2022-11-22 15:00:01FORECAST20235413444.3828.0236.223.4886628662420.03711.13711.182.3171FF12.3891.3839321.630044222127.55465967638770.823644511859171644142236DRYL
2022-11-22 11:00:03FORECAST20235413444.3628.336.3324.3989715388240.04831.14831.182.3283FF12.3691.3639322.268093273717.86301003565630.823047153764381644142236DRYL
2022-11-22 07:00:22FORECAST20235413444.1628.2136.18524.2684031744360.04211.41211.182.5921FF12.1692.1639322.176666543627.81871323707650.817003583602571644142236DRYL
2022-11-22 03:00:12FORECAST20235413444.0928.3136.224.6321286046410.0451.4051.182.585FF12.0989.0939322.43127938567.94216873998490.814858330954041644142236DRYL
2022-11-21 23:00:03FORECAST20235413441.9428.8135.37524.9482472036710.04031.46031.182.6403FF9.9492.9439322.652375806538.04961123247310.741628235415711644142236DRYL
2022-11-21 19:00:04FORECAST20235413442.3629.0435.725.4170848274810.04721.56721.182.7472FF10.3690.3639322.979958680098.20920900734790.757013918608811644152245DRYM
2022-11-21 15:00:04FORECAST20235413442.2128.6735.4424.8050821199430.03441.36441.182.5444FF10.2192.2139322.552266748978.00093546468190.751576490543031644142236DRYL
2022-11-21 11:00:05FORECAST20235413441.9528.4135.1824.2459964157760.02481.26481.182.4448FF9.9589.9539322.160973808947.81111381627440.742000330342481644142236DRYL
2022-11-21 07:00:13FORECAST20235413441.5129.1335.3224.7891230533930.04071.32071.182.5007FF9.5184.5139322.541105019037.99551114209410.725369567299751644142236DRYL
2022-11-21 03:00:09FORECAST20235413441.529.1935.34524.6691658975290.03851.38851.182.5685FF9.588.539322.457192810527.95474998429430.724985545839251644142236DRYL
2022-11-20 23:00:04FORECAST20235413438.4230.4734.44525.2403219411970.08281.17281.182.3528FF6.4290.4239322.856497990218.14900195008020.596057179596621634142232DRYL
2022-11-20 19:00:05FORECAST20235413441.4930.6336.0626.1111931077070.08431.09431.182.2743FF9.4991.4939323.46422532898.44603685099780.72460126035071644142236DRYL
2022-11-20 15:00:03FORECAST20235413440.830.1935.49526.6464541379260.06031.22031.182.4003FF8.890.839323.837084538398.6291100213120.697467494862321634142232DRYL
2022-11-20 11:00:05FORECAST20235413439.6828.323426.4821940670810.03941.14941.182.3294FF7.6888.6839323.722715993068.5728877888510.65106549451531634142232DRYL
2022-11-20 07:00:17FORECAST20235413440.2430.2135.22525.3758462715230.04291.15291.192.3429FF8.2487.2439322.951160415878.1951589999230.674604622761511634142232DRYL
2022-11-20 03:00:16FORECAST20235413440.628.2734.43524.3250171372970.04371.23371.192.4237FF8.690.639322.216312561047.83791732496390.68938454416761634142232DRYL
2022-11-19 23:00:03FORECAST20235413440.929.7735.33525.4136303571370.02771.02771.192.2177FF8.991.939322.977546423558.20803197846330.701473322750281644142236DRYL
2022-11-19 19:00:07FORECAST20235413440.929.7835.3425.5753631492270.03341.06341.182.2434FF8.992.939323.090461728198.26315588875010.701473322750281644142236DRYL
2022-11-19 15:00:08FORECAST20235413440.6630.6935.67525.1323137819150.03311.13311.192.3231FF8.6690.6639322.781032005358.11223417920870.691819278195811634142232DRYL
2022-11-19 11:00:04FORECAST20235413441.1731.436.28524.827258656450.13751.40751.192.5975FF9.1793.1739322.567776210168.00847361420560.712166715525751644142236DRYL
2022-11-19 07:00:26FORECAST20235413443.2230.5836.925.6894755730480.13551.12551.182.3055FF11.2286.2239323.170102509438.30207045435510.786912102553751644142236DRYL
2022-11-19 03:00:40FORECAST20235413443.0630.5736.81526.7744398301960.13551.24551.182.4255FF11.0692.0639323.926163433748.67294157228270.781517581422971644142236DRYL
2022-11-18 23:00:03FORECAST20235413441.130.4635.7825.8645776304110.0411.2211.192.411FF9.185.139323.292263997678.36181785947920.709411760073321644142236DRYL
2022-11-18 19:00:07FORECAST20235413440.9530.4635.70525.7586462220230.0411.1611.182.341FF8.9590.9539323.218366512538.32566755545650.703467155086991644142236DRYL
2022-11-18 15:00:10FORECAST20235413440.0630.4535.25524.4328836793110.05990.99991.182.1799FF8.0693.0639322.291834311787.87451889853140.667108518680191634142232DRYL
2022-11-18 11:00:04FORECAST20235413442.3629.3835.8725.1011673679170.10240.86241.182.0424FF10.3693.3639322.759265962438.10163435446890.757013918608811644132227DRYL
2022-11-18 07:00:38FORECAST20235413441.8930.4736.1825.0483927850610.10240.87241.182.0524FF9.8994.8939322.722381579198.08367697432580.739763604317921644132227DRYL
2022-11-18 03:00:26FORECAST20235413443.8130.6937.2528.2613233361230.50871.57871.182.7587FF11.8191.8139324.958924633549.18376924002750.806122460087221644152245DRYM
2022-11-17 23:00:08FORECAST20235413439.3928.4133.930.1551608563850.16921.40921.182.5892FF7.3982.3939326.268713204299.8386855290810.638636004094091634142232DRYL
2022-11-17 19:00:08FORECAST20235413439.4927.5433.51530.7965045776260.17591.56591.182.7459FF7.4978.4939326.7108438996810.0615519997170.642939369424711634151220DRYL
2022-11-17 15:00:11FORECAST20235413439.4927.633.54530.9750680971020.17591.53591.182.7159FF7.4985.4939326.833814215910.1236996517730.642939369424711634151220DRYL
2022-11-17 11:00:14FORECAST20235413440.0128.5134.2641.1008861251310.7183.6181.184.798TF8.0174.0139333.7166310865813.7160492523520.665014203390641634151220WETL
2022-11-17 07:00:22FORECAST20235413439.8728.4634.16541.3874889531090.7183.6181.184.798TF7.8780.8739333.9088789822413.8196500402230.659122955839551634151220WETL
2022-11-17 03:00:42FORECAST20235413438.9327.9433.43536.9784287317660.84853.90851.185.0885TT6.9376.9339330.9358224193712.2374867241230.618621604800681634151220WETL
2022-11-16 23:00:11FORECAST20235413439.6229.9634.7928.3310048192910.25591.42591.192.6159FF7.6274.6239325.007228463689.20778135590870.648506611835241634142232DRYL
2022-11-16 19:00:06FORECAST20235413439.5829.9734.77528.6061555254330.24981.47981.232.7098FF7.5869.5839325.197881896249.30266118606520.646796936812161634142232DRYL
2022-11-16 15:00:04FORECAST20235413439.0728.3133.6928.4934740342210.26911.49911.232.7291FF7.0781.0739325.119820383189.26379316009880.624749417394381634142232DRYL
2022-11-16 11:00:14FORECAST20235413432.2329.1630.69530.8065597398290.24662.09661.183.2766TF0.2371.2339326.7177700126610.0650504999590.319391763814981624151217.5DRYL
2022-11-16 07:00:11FORECAST2023541343129.430.230.7378317496290.19372.04371.183.2237TF-15639326.6704258438610.0411405871680.270599572122621624151217.5DRYL
2022-11-16 03:00:34FORECAST20235413430.6430.5630.628.2999839061560.132.281.183.46TF-1.3669.6439324.985725543839.19709080262060.257056369121531624152235DRYL