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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Friday, March 4, 2022

[ Thursday, March 3, 2022 | Index | Today | Saturday, March 5, 2022 ]

DAY 155 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/05/2022 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): 30.31°F
MINIMUM TEMPERATURE (Tmin): 17.44°F
AVERAGE TEMPERATURE (Tavg): 23.87°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.332
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: -229

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: 0.01 in
DAY 1-3 (P3): 0.26 in
DAY 4-15 (P15): 6.57 in
18-DAY TOTAL (P18): 6.83 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: 124 in
SWE DAY: 63
CALCULATED SNOW DENSITY: 402.51 kg/m3
CALCULATED SWE: 49.89 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: -129

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 2
D1: 1
D2: 1
D3: 2
D4: 1
D5: 2
HSdry: 4.0

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
2022-03-05 07:00:04OBSERVATION2022155-12930.3099817.4399823.87498123.9564450.00999999999999090.259999999999996.576.83TT-1.69002-228.6900263402.51141452338 49.8938840162390.3320406140653216 2112124WETL
2022-03-05 03:00:03OBSERVATION2022155-12930.3099817.4399823.87498123.9564450.00999999999999090.259999999999996.576.83TT-1.69002-228.6900263402.51141452338 49.8938840162390.3320406140653216 2112124WETL
2022-03-04 11:00:01FORECAST2022155-12933.9521.8727.910.0651587174144070.02340.27346.576.8434TT1.95-225.0563330.2515973220.021518770505560.509225523458061631124220WETL
2022-03-04 07:00:05FORECAST2022155-12934.2620.3127.285NAN0.02960.27966.576.8496TT2.26-224.7463NANNAN0.524751238600161631125225WETL
2022-03-04 03:00:06FORECAST2022155-12934.5822.4428.51NAN0.03870.28876.576.8587TT2.58-224.4263NANNAN0.540738188897911631125225WETL
2022-03-03 23:00:01FORECAST2022155-12934.0220.3227.17123.244192335030.05570.37576.576.9457TT2.02-198.9863402.1576128413149.5635901860090.51273339437573163112125WETL
2022-03-03 19:00:01FORECAST2022155-12933.5519.9826.765123.268338381020.060.386.576.95TT1.55-199.4563402.1696175410749.5747805016190.48917503845094162112124WETL
2022-03-03 15:00:01FORECAST2022155-12933.8722.3128.09123.257420526140.06040.38046.576.9504TT1.87-199.1363402.1641895977949.569720637810.50521567005234163112125WETL
2022-03-03 11:00:02FORECAST2022155-12934.0122.4428.225123.618066757060.06470.38476.576.9547TT2.01-198.9963402.3434096097749.7369144684030.5122323239347163112125WETL
2022-03-03 07:00:05FORECAST2022155-12934.8122.3928.6123.349853634280.04890.36894.374.7389TF2.81-196.1963402.2101390756749.6125617852080.55218975590698163112125WETL
2022-03-03 03:00:05FORECAST2022155-12935.542128.27123.428045047620.04770.38774.374.7577TF3.54-194.4663402.2490004341649.6488077459470.58820443446352163112125WETL
2022-03-02 23:00:03FORECAST2022155-12935.720.8728.285125.800113263080.04720.51724.374.8872TF3.7-189.363403.4242640600750.7508181118310.59601062121266163113127.5WETL
2022-03-02 19:00:02FORECAST2022155-12935.4921.1728.33125.802985029030.04640.51644.374.8864TF3.49-189.5163403.4256826164450.7521551105210.58575766987317163113127.5WETL
2022-03-02 15:00:02FORECAST2022155-12935.4421.6628.55125.888466841360.04530.52534.374.8953TF3.44-189.5663403.4679030361950.7919557329250.58330757308379163113127.5WETL
2022-03-02 11:00:03FORECAST2022155-12935.8521.6728.76126.540225146850.05330.55334.374.9233TF3.85-188.1563403.7895125004451.0956158237420.60329442770079163113127.5WETL
2022-03-02 07:00:06FORECAST2022155-12937.1721.8629.515126.634692808990.05410.47414.374.8441TF5.17-186.8363403.8360833093751.1396583550690.66558668898433163112125WETL
2022-03-02 03:00:06FORECAST2022155-12939.0123.7231.365126.673991943980.04420.43424.374.8042TF7.01-185.9963403.8554537644851.1579824966930.74505057812923164112126WETL
2022-03-01 23:00:02FORECAST2022155-12939.8223.831.81130.30042427730.04040.48044.434.9104TF7.82-181.1863405.6346182382952.8543628580110.77661263696028164112126WETL
2022-03-01 19:00:02FORECAST2022155-12939.6722.931.285130.459471296180.04650.44654.434.8765TF7.67-186.3363405.7122738105552.9290087396960.77094082086968164112126WETL
2022-03-01 15:00:03FORECAST2022155-12939.422.1530.775130.770135859890.06740.57744.435.0074TF7.4-182.663405.863867019453.0748730307460.76053119460495164113129WETL
2022-03-01 11:00:03FORECAST2022155-12931.2922.5926.94131.590569146240.08430.61434.435.0443TF-0.71-189.7163406.2636345394953.4604628924720.37784995175869162113126WETL
2022-03-01 07:00:06FORECAST2022155-12930.0822.6726.375132.295093989560.1020.6724.585.252TF-1.92-194.9263406.6062598393453.792013362190.32161551733563162113126WETL
2022-03-01 03:00:05FORECAST2022155-12937.4619.3128.385131.990493153690.08920.63924.685.3192TF5.46-189.5463406.4582012590953.648618430550.67874850352357163113127.5WETL
2022-02-28 23:00:03FORECAST2022155-1293524.0329.5152.02054665376740.14590.68596.166.8459TT3-18463331.577627012760.669968064724770.561617470232111631134230WETL
2022-02-28 19:00:03FORECAST2022155-12933.2424.6628.952.7267764887870.21890.70896.096.7989TT1.24-189.7663332.054934188360.905439587530530.473652100325431621134224WETL
2022-02-28 15:00:03FORECAST2022155-12933.8126.3530.082.85869082098190.26530.79536.247.0353TT1.81-188.1963332.143993954020.94949698676060.502207911956861631134230WETL
2022-02-28 11:00:03FORECAST2022155-12931.8525.2328.542.8945425789150.22070.80076.257.0507TT-0.15-190.1563332.168193514950.961474979490280.404869875160991621134224WETL
2022-02-28 07:00:04FORECAST2022155-12929.7625.2627.51NAN0.24950.99957.278.2695TT-2.24-189.2463NANNAN0.307341666144461621145240WETL
2022-02-28 03:00:05FORECAST2022155-12936.1125.2830.695NAN0.17540.93548.229.1554TT4.11-187.8963NANNAN0.615833371097951631135237.5WETL
2022-02-27 23:00:02FORECAST2022155-12932.5324.6528.593.5285279919260.29381.01389.8310.8438TT0.53-155.4763332.59576318621.17357346039850.438287682134361621144232WETL
2022-02-27 19:00:01FORECAST2022155-12932.6724.4528.563.36770570626540.26791.07799.6710.7479TT0.67-155.3363332.487367290711.11971960408610.445231091364261621144232WETL
2022-02-27 15:00:02FORECAST2022155-12932.5824.8928.7354.53435378232410.29871.19879.5410.7387TT0.58-154.4263333.272696706941.51117631285850.440765405306031621144232WETL
2022-02-27 11:00:03FORECAST2022155-12932.2223.1227.677.2491815696630.30591.23599.6310.8659TT0.22-155.7863335.091200200772.42913695265170.422983405543781621144232WETL
2022-02-27 07:00:06FORECAST2022155-12932.2523.1627.705NAN0.30591.08599.7110.7959TT0.25-152.7563NANNAN0.424459779066681621145240WETL
2022-02-27 03:00:07FORECAST2022155-12931.5423.1827.36NAN0.30290.95299.8610.8129TT-0.46-156.4663NANNAN0.389847337893921621135230WETL
2022-02-26 23:00:03FORECAST2022155-12930.3823.7327.0555.44214916049660.20441.044410.0111.0544TT-1.62-115.6263333.882171478251.81703657921510.335241107255771621144232WETL
2022-02-26 19:00:04FORECAST2022155-12932.0724.4128.247.28791718260010.18041.06049.7710.8304TT0.07-112.9363335.117056281052.4423053526530.415618150428071621144232WETL
2022-02-26 15:00:03FORECAST2022155-12932.0124.3728.195.05417759757730.18041.02049.210.2204TT0.009999999999998-113.9963333.6218674611.68618416858330.412680175035881621144232WETL
2022-02-26 11:00:04FORECAST2022155-12931.4922.6827.0857.67009610275210.3531.4839.3810.863TT-0.51-121.5163335.372024965812.57233566166230.387439042591161621143224WETL
2022-02-26 07:00:06FORECAST2022155-12930.9521.4226.185NAN0.45251.42259.3310.7525TT-1.05-123.0563NANNAN0.361722722727091621145240WETL
2022-02-26 03:00:08FORECAST2022155-12930.9723.4727.22NAN0.45251.41258.7710.1825TT-1.03-123.0363NANNAN0.362664938262691621145240WETL
2022-02-25 23:00:03FORECAST2022155-12928.3523.0425.69510.6911899083860.3741.3748.149.514TT-3.65-86.6563337.378844339143.60698129590140.248061677804781611143218WETL
2022-02-25 19:00:04FORECAST2022155-12928.4526.2227.3359.628033808180.3111.2618.019.271TT-3.55-78.5563336.674377965013.24151229339510.252056058802471621143224WETL
2022-02-25 15:00:03FORECAST2022155-12928.3726.2327.32.75775966245120.20751.21758.169.3775TT-3.63-82.6363332.075854643710.915785396810450.248857847073641611144224WETL
2022-02-25 11:00:03FORECAST2022155-12926.5724.9925.785.00707660588240.24022.30027.9710.2702TT-5.43-88.4363333.590248253831.67031192798220.182903834021941611154230WETL
2022-02-25 07:00:07FORECAST2022155-12928.0425.8326.935NAN0.03271.93277.199.1227TT-3.96-88.9663NANNAN0.235896432658271611155237.5WETL
2022-02-25 03:00:08FORECAST2022155-12927.9225.8826.9NAN0.02441.92447.299.2144TT-4.08-84.0863NANNAN0.231276971954011611155237.5WETL