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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Friday, June 24, 2022

[ Thursday, June 23, 2022 | Index | Today | Saturday, June 25, 2022 ]

DAY 267 OF WATER YEAR 2022, FORECAST LAST UPDATED 06/25/2022 04:00:05 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): 61.02°F
MINIMUM TEMPERATURE (Tmin): 36.36°F
AVERAGE TEMPERATURE (Tavg): 48.69°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.704
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: 29
18-DAY CUMULATIVE DD32: 287

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): 5.60 in
18-DAY TOTAL (P18): 5.60 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: 101 in
SWE DAY: 174
CALCULATED SNOW DENSITY: 462.17 kg/m3
CALCULATED SWE: 46.82 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: -18

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 4
D1: 1
D2: 2
D3: 1
D4: 1
D5: 2
HSdry: 3.5

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
2022-06-25 04:00:05OBSERVATION2022267-1861.0199636.3599648.68996101.31377375005.65.6TF29.01996287.01996174462.16523737086 46.8237042941060.7042260691106516 4121123.5WETL
2022-06-25 00:00:01FORECAST2022267-1750.5450.5450.54102.898648005.65.6TF18.54276.54175463.2232953368247.6650508122640.33573157492537162121122.5WETL
2022-06-24 12:00:01FORECAST2022267-1763.1653.6258.39103.162762666670.00130.00135.65.6013TF31.16289.16175463.3136130746747.7967123058580.76816165789555164121123.5WETL
2022-06-24 08:00:02FORECAST2022267-1758.9940.3449.665102.945025333330.00040.00045.65.6004TF26.99284.99175463.2391591063647.6881669695960.63701660964408163121123WETL
2022-06-24 04:00:05FORECAST2022267-1763.437.9950.695102.40474075362005.65.6TF31.4289.4175463.0542341003847.4189487979170.77481946301748164121123.5WETL
2022-06-24 00:00:02FORECAST2022267-1863.0338.7850.905105.28672933333005.65.6TF31.03275.03174463.5280905055448.8033566034530.76451013546629164121123.5WETL
2022-06-23 20:00:01FORECAST2022267-1863.742.5153.105106.320404005.65.6TF31.7289.7174463.8804257395749.3199542723230.78298759979519164121123.5WETL
2022-06-23 16:00:01FORECAST2022267-1860.2143.1651.685106.35692133333005.65.6TF28.21286.21174463.8928560182549.3382159946280.67808088893755163121123WETL
2022-06-23 12:00:02FORECAST2022267-1862.744.2253.46105.09510533333005.65.6TF30.7288.7174463.4626724242548.7076583764940.75510018390038164121123.5WETL
2022-06-23 08:00:02FORECAST2022267-1862.2844.7653.52104.83724266667005.65.6TF30.28289.28174463.3745910078248.5789144430540.74283757914579164121123.5WETL
2022-06-23 04:00:06FORECAST2022267-1862.7245.1653.94104.48023775005.65.6TF30.72290.72174463.2525490524548.4007364632940.755676176876164121123.5WETL
2022-06-23 00:00:04FORECAST2022267-1863.2346.0854.655105.98657466667005.65.6TF31.23278.23174463.7667387978749.1530480895170.77011474540058164121123.5WETL
2022-06-22 20:00:02FORECAST2022267-1862.9245.9254.42107.0490586666700.015.65.61TF30.92287.92174464.1282374760349.6844909224280.76139580296291164121123.5WETL
2022-06-22 16:00:02FORECAST2022267-1863.3246.2354.775106.947706666670.00860.01865.65.6186TF31.32287.32174464.0937956323549.6337671211080.77261229142856164121123.5WETL
2022-06-22 12:00:03FORECAST2022267-1863.946.1555.025105.672169333330.01450.02455.65.6245TF31.9287.9174463.659578594848.9959135022910.78833673214288164121123.5WETL
2022-06-22 08:00:03FORECAST2022267-1863.4946.5155105.3570160.01460.03465.65.6346TF31.49284.49174463.5520775304748.8384636492110.77728798627472164121123.5WETL
2022-06-22 04:00:07FORECAST2022267-1861.2646.3753.815105.261552083330.00480.02485.65.6248TF29.26286.26174463.5194971182648.7907816875540.7117830312899164121123.5WETL
2022-06-22 00:00:03FORECAST2022267-1863.7446.5455.14106.520998666670.00270.02275.65.6227TF31.74274.74174463.9486927207649.420278078710.78406362094253164121123.5WETL
2022-06-21 20:00:02FORECAST2022267-1866.1547.7456.945107.277677333330.00310.02315.65.6231TF34.15291.15174464.2058950401549.7989302243480.84304147909766164121123.5WETL
2022-06-21 16:00:02FORECAST2022267-1861.8241.9551.885109.162365333330.00140.01145.65.6114TF29.82277.82174464.8443736432250.7435113387860.72905025331639164121123.5WETL
2022-06-21 12:00:03FORECAST2022267-1862.141.8251.96107.829701333330.00110.02115.65.6211TF30.1278.1174464.3932216609750.0753823929270.73748624088935164121123.5WETL
2022-06-21 08:00:03FORECAST2022267-1859.3842.3650.87107.6464040.00150.03155.65.6315TF27.38271.38174464.3310497406549.9835677701260.65034368701462163121123WETL
2022-06-21 04:00:07FORECAST2022267-1862.9540.7751.86106.981369500.025.65.62TF30.95273.95174464.1052360549749.6506137452820.76224739158472164121123.5WETL
2022-06-21 00:00:03FORECAST2022267-1864.1340.6552.39107.0164253333300.035.585.61TF32.13274.13174464.1171488534449.6681582061940.79439198555196164121123.5WETL
2022-06-20 20:00:03FORECAST2022267-1864.3440.6752.505107.8557053333300.035.595.62TF32.34283.34174464.4020395138350.0884095300020.79983002906333164121123.5WETL
2022-06-20 16:00:03FORECAST2022267-1864.1440.9152.525107.99811200.015.595.6TF32.14280.14174464.4503187205750.159757539620.79465290816977164121123.5WETL
2022-06-20 12:00:02FORECAST2022267-1859.9840.7350.355107.1825400.025.65.62TF27.98279.98174464.1735841127649.7513037461090.67048526892916163121123WETL
2022-06-20 08:00:03FORECAST2022267-1859.5540.6450.095107.07085600.025.65.62TF27.55274.55174464.1356435749649.6954006576820.65609660426615163121123WETL
2022-06-20 04:00:07FORECAST2022267-1862.2243.8653.04106.734903500.015.65.61TF30.22288.22174464.0214511469149.5272848100950.74106011445149164121123.5WETL
2022-06-20 00:00:03FORECAST2022267-1861.6545.2353.44107.480384005.265.26TF29.65288.65174464.2747130656749.9004244417880.7238633103266164121123.5WETL
2022-06-19 20:00:02FORECAST2022267-1861.1939.8950.54108.0739546666700.015.295.3TF29.19286.19174464.4760240409850.1977607659580.70958869934095164121123.5WETL
2022-06-19 16:00:03FORECAST2022267-1860.9939.8250.405107.9716186666700.015.295.3TF28.99285.99174464.4413381801150.146483059020.70327651729544164121123.5WETL
2022-06-19 12:00:03FORECAST2022267-1859.5243.951.71106.81372400.015.295.3TF27.52291.52174464.0482514944149.5667218578070.65508395846157163121123WETL
2022-06-19 08:00:03FORECAST2022267-1859.2443.5851.41107.1487213333300.025.35.32TF27.24283.24174464.1620965987149.7343751419510.645579871584163121123WETL
2022-06-19 04:00:07FORECAST2022267-1859.2743.5451.405106.32831408333005.315.31TF27.27294.27174463.8831183817649.3239099092520.64660263776631163121123WETL
2022-06-19 00:00:03FORECAST2022267-1861.8545.9353.89107.40301333333004.864.86TF29.85293.85174464.2484502442149.8616824915590.72996053045165164121123.5WETL
2022-06-18 20:00:04FORECAST2022267-1859.9944.7352.36108.03834933333005.035.03TF27.99291.99174464.4639569582750.17991923460.6708170082613163121123WETL
2022-06-18 16:00:04FORECAST2022267-1860.0144.7252.365107.74604666667005.035.03TF28.01293.01174464.3648507457150.0334768788070.67148008364211163121123WETL
2022-06-18 12:00:04FORECAST2022267-1852.9340.8646.895108.3114640.00260.00265.055.0526TF20.93284.93174464.5564909432950.316793644770.41877006642952162121122.5WETL
2022-06-18 08:00:05FORECAST2022267-1853.3238.1645.74109.170277333330.00260.00265.055.0526TF21.32274.32174464.8470475660850.7474811003710.43278481303268162121122.5WETL
2022-06-18 04:00:07FORECAST2022267-1853.3238.1545.735108.549598916670.00260.00265.095.0926TF21.32283.32174464.6371210691150.4361731338470.43278481303268162121122.5WETL
2022-06-18 00:00:03FORECAST2022267-1861.8541.4851.665109.96680800.034.724.75TF29.85271.85174465.1159665600651.1473181924450.72996053045165164121123.5WETL
2022-06-17 20:00:04FORECAST2022267-1859.3342.0950.71110.29464400.044.985.02TF27.33282.33174465.2264902583751.3119901224160.64864499253087163121123WETL
2022-06-17 16:00:04FORECAST2022267-1858.3142.150.205111.1055146666700.054.975.02TF26.31280.31174465.499464936551.7195576288280.61338697818665163121123WETL
2022-06-17 12:00:04FORECAST2022267-1850.8940.6445.765111.73751600.015.135.14TF18.89264.89174465.711834813352.0374835938410.34750894837003162121122.5WETL
2022-06-17 08:00:03FORECAST2022267-1843.3740.6742.02112.3752026666700.015.335.34TF11.37247.37174465.9257698699452.3585028167570.13970127565322161121122WETL
2022-06-17 04:00:07FORECAST2022267-1843.4542.1742.81112.18201466667005.325.32TF11.45253.45174465.8609945512752.2612249233780.1413393076588161121122WETL