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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Saturday, February 5, 2022

[ Friday, February 4, 2022 | Index | Today | Sunday, February 6, 2022 ]

DAY 128 OF WATER YEAR 2022, FORECAST LAST UPDATED 02/06/2022 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): 36.19°F
MINIMUM TEMPERATURE (Tmin): 24.53°F
AVERAGE TEMPERATURE (Tavg): 30.36°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.583
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: 133

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: 0.15 in
DAY 1-3 (P3): 1.05 in
DAY 4-15 (P15): 3.80 in
18-DAY TOTAL (P18): 4.85 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: 111 in
SWE DAY: 36
CALCULATED SNOW DENSITY: 374.22 kg/m3
CALCULATED SWE: 41.58 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: -156

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: 4
D4: 1
D5: 2
HSdry: 10.0

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
2022-02-06 07:00:04OBSERVATION2022128-15636.1900424.5330.36002111.115263333330.149999999999981.053.84.85TF4.19004133.1900436374.22213297971 41.5817908512020.583129410029816 31141210WETL
2022-02-06 03:00:04OBSERVATION2022128-15636.1900424.5330.36002111.115263333330.149999999999981.053.84.85TF4.19004133.1900436374.22213297971 41.5817908512020.583129410029816 31141210WETL
2022-02-05 11:00:02FORECAST2022128-15638.9528.4733.71109.749681333330.01040.91043.84.7104TF6.95135.9536373.4449416932440.9854633463780.692160710956163113127.5WETL
2022-02-05 07:00:08FORECAST2022128-15638.1625.4531.805110.206286570940.00890.90893.84.7089TF6.16135.1636373.7051086784841.1846523000460.66216500963947163113127.5WETL
2022-02-05 03:00:05FORECAST2022128-15639.1726.532.835110.15060587270.02310.92313.84.7231TF7.17136.1736373.6733987828341.1603512744380.70030128547823164113129WETL
2022-02-04 23:00:02FORECAST2022128-15638.5925.1931.89108.853509025790.03660.84663.84.6466TF6.59136.5936372.933437716440.5951133284790.67863507432217163113127.5WETL
2022-02-04 19:00:02FORECAST2022128-1563825.4131.705108.888952554230.0380.8483.84.648TF613636372.95368977140.6105366304010.65595434234848163113127.5WETL
2022-02-04 15:00:01FORECAST2022128-15638.4127.0132.71108.899525629340.0420.8523.84.652TF6.41136.4136372.9597307604440.6151377586580.67178092173617163113127.5WETL
2022-02-04 11:00:03FORECAST2022128-15638.7127.5733.14110.321981120090.04950.85953.84.6595TF6.71136.7136373.7709818413941.2351552019440.68317115436205163113127.5WETL
2022-02-04 07:00:06FORECAST2022128-15638.9728.1133.54110.870596203610.05320.94323.84.7432TF6.97135.9736374.0830841587941.4748145703710.69290476383718163113127.5WETL
2022-02-04 03:00:07FORECAST2022128-15639.2728.0533.66110.978020352330.05190.97193.84.7719TF7.27136.2736374.1441459156441.5217766401290.70396905744503164113129WETL
2022-02-03 23:00:02FORECAST2022128-15639.2528.0733.66109.651487406630.04820.50823.84.3082TF7.25144.2536373.3889527975640.9426540554570.70323715136117164113129WETL
2022-02-03 19:00:02FORECAST2022128-15639.3627.9933.675109.670570012530.05980.50983.84.3098TF7.36143.3636373.3998345436640.9509726969890.70725234445456164113129WETL
2022-02-03 15:00:02FORECAST2022128-15639.9327.233.565109.603740964590.05050.49053.84.2905TF7.93144.9336373.3617233530640.9218416124830.7276435404119164113129WETL
2022-02-03 11:00:02FORECAST2022128-15639.827.2833.54109.83495024360.050.513.84.31TF7.8144.836373.4935495863241.022645435120.723055552766164113129WETL
2022-02-03 07:00:07FORECAST2022128-15638.6827.1432.91110.265719192110.0480.6383.84.438TF6.68142.6836373.7389503287841.2105941481050.6820396763268163113127.5WETL
2022-02-03 03:00:07FORECAST2022128-15638.6327.1732.9110.900795776050.04880.78883.84.5888TF6.63143.6336374.1002518052641.4880156252230.68015010494275163113127.5WETL
2022-02-02 23:00:03FORECAST2022128-15639.9926.7733.38111.773113426830.04920.969244.9692TF7.99149.9936374.5955730195741.8697134723030.72974827974179164113129WETL
2022-02-02 19:00:02FORECAST2022128-1563927.0933.045111.601241054010.04520.925244.9252TF715136374.498066888941.7944490371280.69401935594698163113127.5WETL
2022-02-02 15:00:03FORECAST2022128-15637.6927.832.745111.822724291150.04640.956444.9564TF5.69146.6936374.6237101938341.8914438579340.64380204802003163113127.5WETL
2022-02-02 11:00:01FORECAST2022128-15637.4527.2332.34112.906447813840.04460.944644.9446TF5.45146.4536375.237468282342.3667296304120.63429174178865163113127.5WETL
2022-02-02 07:00:04FORECAST2022128-15637.8626.7932.325109.691588925640.03930.85933.984.8393TF5.86146.8636373.4118198473840.9601358426750.65048522944861163113127.5WETL
2022-02-02 03:00:06FORECAST2022128-15637.8927.7732.83110.228947453990.05440.81443.964.7744TF5.89145.8936373.7180126608141.19454318020.65165986042759163113127.5WETL
2022-02-01 23:00:02FORECAST2022128-15638.9526.7132.83108.717815635470.05760.78763.974.7576TF6.95147.9536372.8558871049440.5360775928740.692160710956163113127.5WETL
2022-02-01 19:00:03FORECAST2022128-15639.2626.1532.705108.367542593720.05210.70213.994.6921TF7.26147.2636372.6555777208640.3837691914540.70360320786238164113129WETL
2022-02-01 15:00:03FORECAST2022128-15639.325.532.4108.35053062080.06570.73574.034.7657TF7.3150.336372.6458446064640.3763749967450.70506536176919164113129WETL
2022-02-01 11:00:02FORECAST2022128-15638.4427.633.02108.680034957050.0760.7664.064.826TF6.44154.4436372.8342901777940.5196436897090.67292738192618163113127.5WETL
2022-02-01 07:00:06FORECAST2022128-15635.9728.1832.075109.056214007350.09760.59764.154.7476TF3.97144.9736373.0492365839940.6833373801810.57402073159081163113127.5WETL
2022-02-01 03:00:05FORECAST2022128-15640.0728.4134.24108.148274708710.17310.63314.034.6631TF8.07151.0736372.5300950559940.2884870573760.7325419052218164113129WETL
2022-01-31 23:00:02FORECAST2022128-15639.9526.7733.36100.018349715670.17690.67693.794.4669TF7.95152.9536367.8278204697436.7895315828970.72834602295907164113129WETL
2022-01-31 19:00:02FORECAST2022128-15639.6128.0833.845100.176204014420.14870.66873.814.4787TF7.61148.6136367.9200494006236.8568339297530.71628278232099164113129WETL
2022-01-31 15:00:03FORECAST2022128-15639.627.2633.43100.414207206980.1180.5083.794.298TF7.6156.636368.0590367301836.9583563786250.71592413729176164113129WETL
2022-01-31 11:00:03FORECAST2022128-15636.6726.0931.38102.885743755410.15660.56663.774.3366TF4.67146.6736369.4973904939538.0160138366520.6028371874883163113127.5WETL
2022-01-31 07:00:06FORECAST2022128-15637.7325.6631.695105.009214397940.09250.422544.4225TF5.73143.7336370.7259900580838.9296449728980.64537862926881163112125WETL
2022-01-31 03:00:05FORECAST2022128-15637.7624.2931.025107.113491458650.1260.4564.24.656TF5.76140.7636371.9369650541239.8394669294820.64655943558956163112125WETL
2022-01-30 23:00:03FORECAST2022128-15639.6625.2332.445107.388249606670.04660.45664.434.8866TF7.66144.6636372.094606409839.9585884704330.71807275092864164112126WETL
2022-01-30 19:00:04FORECAST2022128-15640.3623.3431.85107.345444519980.02660.44664.44.8466TF8.36148.3636372.0700544017239.9400253823260.74254535818524164112126WETL
2022-01-30 15:00:02FORECAST2022128-15640.3323.3831.855107.070942629050.02660.45664.364.8166TF8.33146.3336371.9125429992639.8210265544970.74151959366751164112126WETL
2022-01-30 11:00:03FORECAST2022128-15639.4923.7631.625109.575226136280.02130.26134.354.6113TF7.49153.4936373.3454599812640.9094132043990.71196481447236164112126WETL
2022-01-30 07:00:06FORECAST2022128-15639.8227.8333.825109.20823071070.00920.06924.454.5192TF7.82145.8236373.1360397469640.7495267151650.72376385025288164111123WETL
2022-01-30 03:00:05FORECAST2022128-15639.6827.8333.755109.079717681050.00920.06924.454.5192TF7.68148.6836373.0626596235140.6935695890760.71878721365674164111123WETL
2022-01-29 23:00:04FORECAST2022128-15642.2827.4334.855110.702646906790.00590.23594.414.6459TF10.28150.2836373.9875854609641.4014156208080.80357291443289164112126WETL
2022-01-29 19:00:03FORECAST2022128-15640.6728.334.485112.169648401990.17290.61294.314.9229TF8.67151.6736374.8203717511942.0434693132340.75301997355151164113129WETL
2022-01-29 15:00:03FORECAST2022128-15640.6228.2434.43112.281751236270.17270.61274.344.9527TF8.62153.6236374.8838826695142.0926188563840.75134606314486164113129WETL
2022-01-29 11:00:03FORECAST2022128-15631.5529.9130.73110.817890090660.04970.36974.474.8397TF-0.45146.5536374.0531189931741.4517774286540.38930663365206162112124WETL
2022-01-29 07:00:07FORECAST2022128-15631.5930.1230.855110.633298582450.03830.34834.534.8783TF-0.41150.5936373.948140992241.3711163367420.39093089600058162112124WETL
2022-01-29 03:00:08FORECAST2022128-15631.5531.2931.42110.657663624910.01170.32174.444.7617TF-0.45152.5536373.9620003185841.3817612397520.38930663365206162112124WETL