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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Saturday, March 7, 2020

[ Friday, March 6, 2020 | Index | Today | Sunday, March 8, 2020 ]

DAY 159 OF WATER YEAR 2020, FORECAST LAST UPDATED 03/08/2020 12:00:03 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): 20.56°F
MINIMUM TEMPERATURE (Tmin): 20.56°F
AVERAGE TEMPERATURE (Tavg): 20.56°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.041
Maximum Percentile on this day is based on 90 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: -11
18-DAY CUMULATIVE DD32: -12

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): 0.19 in
DAY 4-15 (P15): 4.48 in
18-DAY TOTAL (P18): 4.67 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: 190 in
SWE DAY: 67
CALCULATED SNOW DENSITY: 435.60 kg/m3
CALCULATED SWE: 82.76 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: -126

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 1
D1: 1
D2: 1
D3: 2
D4: 1
D5: 2
HSdry: 3.0

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
2020-03-08 00:00:03FORECAST2020160-12620.5620.5620.56191.017620912750.00320.19324.484.6732TF-11.44-12.4467435.5986268754683.2070133786130.0409672217104901112123WETL
2020-03-07 12:00:02FORECAST2020159-12632.2719.9626.115190.693278803810.17870.36874.484.8487TF0.27-0.7367435.4648632129483.0402225699280.35263849061852902112124WETL
2020-03-07 08:00:02FORECAST2020159-12630.2220.1925.205190.730713342560.18670.37674.484.8567TF-1.78-2.7867435.4803074171183.0594696803030.26886991116588902112124WETL
2020-03-07 04:00:03FORECAST2020159-12626.6619.6423.15191.432213366370.29450.48454.484.9645TF-5.34-6.3467435.769450783683.4203104809510.15156756100272901112123WETL
2020-03-07 00:00:02FORECAST2020159-12631.8719.8625.865193.165885607660.29850.29854.484.7785TF-0.13-7.1367436.4818274781884.3133987564730.33554610707019902112124WETL
2020-03-06 20:00:02FORECAST2020159-12626.5918.9622.775192.091425379780.24420.41424.484.8942TF-5.41-4.4167436.0406947856483.7596785849640.14966584165713901112123WETL
2020-03-06 16:00:02FORECAST2020159-12626.0918.5322.31191.953254154050.21530.38534.484.8653TF-5.91-4.9167435.9838794979983.6885244283450.13654503316729901112123WETL
2020-03-06 12:00:02FORECAST2020159-12626.3518.9522.65192.411379474040.20320.37324.484.8532TF-5.65-4.6567436.1721817201783.924491172980.14326663445105901112123WETL
2020-03-06 08:00:02FORECAST2020159-12629.0919.4424.265192.679505239160.23970.42974.484.9097TF-2.91-3.9167436.2822872461684.0626552511980.22739399730692901112123WETL
2020-03-06 04:00:03FORECAST2020159-12628.0917.5822.835192.780868247380.23280.54284.485.0228TF-3.91-4.9167436.3238923162384.11489879780.19390356499761901113124.5WETL
2020-03-05 23:59:56FORECAST2020159-12628.5118.3323.42196.724541560980.25450.77454.485.2545TF-3.492.5167437.9343097265586.1524263147770.20758832945625901113124.5WETL
2020-03-05 20:00:03FORECAST2020159-12629.0217.4823.25196.817164394260.25620.75624.485.2362TF-2.981.0267437.9719391476686.2003951472980.22494871343627901113124.5WETL
2020-03-05 16:00:03FORECAST2020159-12627.8716.5922.23196.301213361310.17710.71714.485.1971TF-4.13-0.1367437.7622135309185.9332536798480.18695966480598901113124.5WETL
2020-03-05 11:59:55FORECAST2020159-12628.2818.2223.25196.087555235980.1440.6844.485.164TF-3.720.2867437.6752845075285.822676526290.20002502756363901113124.5WETL
2020-03-05 08:00:02FORECAST2020159-12630.1116.4923.3195.655920735290.05890.63894.485.1189TF-1.892.1167437.4995255500485.5993724927430.26467206597312902113126WETL
2020-03-05 04:00:03FORECAST2020159-12630.115.7622.93195.568990509980.07070.65074.485.1307TF-1.9-2.967437.4641047702485.554413354270.26429210103372902113126WETL
2020-03-05 00:00:03FORECAST2020159-12628.2515.5421.895194.12185942280.08720.71724.365.0772TF-3.751.2567436.8733033275984.8066579741310.19905084625123901113124.5WETL
2020-03-04 19:59:56FORECAST2020159-12628.8713.6621.265194.48305546380.12160.72164.375.0916TF-3.13-0.1367437.0209675823984.9931730771670.21975923996341901113124.5WETL
2020-03-04 16:00:03FORECAST2020159-12629.1414.6621.9195.039645891940.19160.81164.375.1816TF-2.864.1467437.248247959985.2807434489680.22914974151586901113124.5WETL
2020-03-04 12:00:03FORECAST2020159-12628.1314.6621.395195.195788493140.20470.83474.375.2047TF-3.874.1367437.3119501662785.361450930180.1951827364706901113124.5WETL
2020-03-04 07:59:35FORECAST2020159-12625.2214.0719.645195.012387753230.29050.90054.375.2705TF-6.784.2267437.2371247427885.2666557104440.11563265149546901113124.5WETL
2020-03-04 04:00:03FORECAST2020159-12628.4316.0122.22195.741463493380.31870.92874.415.3387TF-3.574.4367437.5343733554885.6436185692620.20493868585902901113124.5WETL
2020-03-04 00:00:02FORECAST2020159-12628.4416.0222.23195.982368802380.33440.96443.954.9144TF-3.565.4467437.6324709838185.7682483282460.20526878969588901113124.5WETL
2020-03-03 20:00:03FORECAST2020159-12629.2314.221.715195.532510646370.40941.11944.365.4794TF-2.778.2367437.4492382753785.5355478403260.23232912515901901114126WETL
2020-03-03 16:00:02FORECAST2020159-12630.6816.2923.485195.035355404370.37681.08684.345.4268TF-1.327.6867437.2464971935285.2785259794530.28677843260521902114128WETL
2020-03-03 12:00:03FORECAST2020159-12630.7116.2923.5196.363754549520.37681.21684.375.5868TF-1.2911.7167437.787650137485.9656266763940.28796572143458902114128WETL
2020-03-03 08:00:03FORECAST2020159-12625.4316.0620.745196.128230541860.19841.09844.365.4584TF-6.57-1.5767437.6918373132885.8437255748680.12045977793492901114126WETL
2020-03-03 04:00:14FORECAST2020159-12630.8516.4223.635195.762828532270.15830.99834.425.4183TF-1.154.8567437.5430757126985.6546701062240.29353682568919902114128WETL
2020-03-03 00:00:03FORECAST2020159-12630.8916.4223.655194.531785389280.15831.01833.444.4583TF-1.1111.8967437.0408789931985.0183424786450.29513767945735902114128WETL
2020-03-02 20:00:02FORECAST2020159-12629.9815.0922.535194.98873942920.16360.87364.255.1236TF-2.029.9867437.2274739572985.2544339907460.25975425950798902113126WETL
2020-03-02 16:00:02FORECAST2020159-12630.5215.1422.83195.337978036940.12980.92984.335.2598TF-1.487.5267437.369937905785.434959324640.28048569395779902113126WETL
2020-03-02 12:00:02FORECAST2020159-12630.5615.1422.85195.545559639430.12980.88984.315.1998TF-1.447.5667437.4545562382785.542296016430.28205260388417902113126WETL
2020-03-02 07:59:42FORECAST2020159-12633.0817.6825.38194.237337620790.14010.69014.224.9101TF1.084.0867436.9205278862484.8662800884940.38814330492251902113126WETL
2020-03-02 04:00:03FORECAST2020159-12633.319.1126.205194.055103123810.17420.53424.264.7942TF1.312.367436.8459971650184.7721950290810.3979647975289902113126WETL
2020-03-02 00:00:02FORECAST2020159-12633.3419.1126.225192.829984216680.17420.53424.24.7342TF1.3417.3467436.3440484154784.1402159689990.39975769073986902113126WETL
2020-03-01 20:00:02FORECAST2020159-12632.1417.1624.65195.34494594550.1670.6674.415.077TF0.1421.1467437.3727790198985.4385618756720.34704873334094902113126WETL
2020-03-01 16:00:01FORECAST2020159-12631.5818.0124.795196.466109412810.40291.01294.335.3429TF-0.4226.5867437.8292709521686.0186134510170.32336099125323902114128WETL
2020-03-01 12:00:01FORECAST2020159-12631.6118.0124.81197.199650181720.40291.01294.365.3729TF-0.3921.6167438.1272360330486.3985376807990.32461305899353902114128WETL
2020-03-01 08:00:11FORECAST2020159-12634.2920.8227.555195.468139214570.12150.84154.355.1915TF2.2924.2967437.4230018795985.5022602270570.44287838880722902113126WETL
2020-03-01 04:00:03FORECAST2020159-12633.6620.3126.985197.651350963250.70541.29544.455.7454TF1.6626.6667438.3104414005386.6326508841130.41417393220743902114128WETL
2020-03-01 00:00:03FORECAST2020159-12633.6920.3127193.209067153670.70541.29543.214.5054TF1.6922.6967436.4995310343584.335667204160.41553172606294902114128WETL
2020-02-29 20:00:02FORECAST2020159-12631.4618.0824.77189.89832865610.14131.05133.394.4413TF-0.5428.4667435.1365471575782.6317030424110.3183727969759902114128WETL
2020-02-29 15:59:47FORECAST2020159-12630.6519.3124.98191.536793296360.10781.42783.574.9978TF-1.3520.6567435.8125122918483.4741310828070.28559346670597902114128WETL
2020-02-29 12:00:03FORECAST2020159-12625.9719.3122.64192.095748148790.06091.38093.394.7709TF-6.0317.9767436.0424719640783.7619048765880.13351646510975901114126WETL
2020-02-29 08:00:02FORECAST2020159-12620.0417.4918.765196.722483068680.18841.35843.614.9684TF-11.96-5.9667437.9334733324886.1513602928570.035914692527585901114126WETL
2020-02-29 04:00:03FORECAST2020159-12618.2617.7618.01199.693181017310.1741.4944.115.604TF-13.74-6.7467439.1359699351187.6924587354640.02232821554646901114126WETL