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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Sunday, September 1, 2019

[ Saturday, August 31, 2019 | Index | Today | Monday, September 2, 2019 ]

DAY 336 OF WATER YEAR 2019, FORECAST LAST UPDATED 09/02/2019 04:00:11 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): 61.61°F
MINIMUM TEMPERATURE (Tmin): 48.88°F
AVERAGE TEMPERATURE (Tavg): 55.25°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.587
Maximum Percentile on this day is based on 92 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: 30
18-DAY CUMULATIVE DD32: 543

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): 0.06 in
DAY 4-15 (P15): 1.16 in
18-DAY TOTAL (P18): 1.22 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: 0 in
SWE DAY: 243
CALCULATED SNOW DENSITY: 462.82 kg/m3
CALCULATED SWE: 0.00 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: 51

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 3
D1: 3
D2: 4
D3: 1
D4: 5
D5: 2
HSdry: 25.0

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
2019-09-02 04:00:11OBSERVATION20193365161.6148.8800455.24502000.061.161.22FF29.61542.61243462.82371512226 00.5867392973711892 33415225DRYL
2019-09-02 00:00:13FORECAST20193365149.0749.0749.07000.061.161.22FF17.07530.07244463.3360309881600.173889234441729213415220DRYL
2019-09-01 12:00:11FORECAST20193365161.2948.5354.9100.0380.0981.161.258FF29.29542.29244463.3360309881600.575195011386639233425250DRYMH
2019-09-01 08:00:11FORECAST20193365161.3749.1355.2500.04710.10711.161.2671FF29.37542.37244463.3360309881600.578087542672019233425250DRYMH
2019-09-01 04:00:11FORECAST20193365161.3348.9655.14500.03460.09461.161.2546FF29.33542.33244463.3360309881600.576641793282779233425250DRYMH
2019-09-01 00:00:13FORECAST20193365161.3748.7655.06500.02670.08671.161.2467FF29.37529.37243462.8237151222600.578087542672019233415225DRYL
2019-08-31 20:00:11FORECAST20193365161.1347.2354.1800.01710.08711.161.2471FF29.13540.13243462.8237151222600.569397939482989233415225DRYL
2019-08-31 16:00:11FORECAST20193365161.2349.2155.2200.01920.08921.161.2492FF29.23540.23243462.8237151222600.573022944180619233415225DRYL
2019-08-31 12:00:11FORECAST20193365160.6648.5454.600.01780.08781.161.2478FF28.66539.66243462.8237151222600.552286948882849233415225DRYL
2019-08-31 08:00:11FORECAST20193365160.3948.4854.43500.04910.11911.161.2791FF28.39539.39243462.8237151222600.542410929025939233425250DRYMH
2019-08-31 04:00:12FORECAST20193365160.4548.7454.59500.05520.13521.161.2952FF28.45538.45243462.8237151222600.544608083165499233425250DRYMH
2019-08-31 00:00:13FORECAST2019336516048.0154.00500.06780.09781.161.2578FF28530243462.8237151222600.528100803947879233425250DRYMH
2019-08-30 20:00:11FORECAST20193365159.7348.354.01500.0890.1191.161.279FF27.73542.73243462.8237151222600.518171375474429233425250DRYMH
2019-08-30 16:00:11FORECAST20193365160.5548.5154.5300.10990.14991.161.3099FF28.55543.55243462.8237151222600.548266943855179233425250DRYMH
2019-08-30 12:00:11FORECAST20193365159.847.6653.7300.09430.13431.161.2943FF27.8541.8243462.8237151222600.520747003758079233425250DRYMH
2019-08-30 08:00:11FORECAST20193365160.2347.9154.0700.11210.15211.161.3121FF28.23536.23243462.8237151222600.536545692346749233425250DRYMH
2019-08-30 04:00:12FORECAST20193365159.3647.5353.44500.10840.15841.161.3184FF27.36541.36243462.8237151222600.50454728823019233425250DRYMH
2019-08-30 00:00:13FORECAST20193365159.4547.7953.6200.0710.1510.790.941FF27.45530.45243462.8237151222600.507862350376629233425250DRYMH
2019-08-29 20:00:11FORECAST20193365159.0347.5753.300.06620.16620.871.0362FF27.03542.03243462.8237151222600.492391114806639223425245DRYM
2019-08-29 16:00:11FORECAST20193365159.447.5853.4900.06780.16780.871.0378FF27.4538.4243462.8237151222600.50602070156399233425250DRYMH
2019-08-29 12:00:12FORECAST20193365156.9547.7552.3500.10050.21050.871.0805FF24.95539.95243462.8237151222600.416388071733659223425245DRYM
2019-08-29 08:00:10FORECAST20193365156.9648.0752.51500.09080.21080.961.1708FF24.96538.96243462.8237151222600.416748372655139223425245DRYM
2019-08-29 04:00:11FORECAST20193365161.0747.1554.1100.12040.21040.871.0804FF29.07539.07243462.8237151222600.567220106310069233425250DRYMH
2019-08-29 00:00:13FORECAST20193365161.4747.9854.72500.06590.12590.931.0559FF29.47524.47243462.8237151222600.581697274576619233425250DRYMH
2019-08-28 20:00:11FORECAST20193365161.4947.9854.73500.07610.13610.971.1061FF29.49542.49243462.8237151222600.58241840636539233425250DRYMH
2019-08-28 16:00:11FORECAST20193365162.3348.4155.3700.01540.04540.981.0254FF30.33545.33243462.8237151222600.612427155252949233415225DRYL
2019-08-28 12:00:11FORECAST20193365162.1748.4155.2900.01510.03510.90.9351FF30.17552.17243462.8237151222600.606756830514699233415225DRYL
2019-08-28 08:00:11FORECAST20193365162.7649.2155.98500.00690.01690.880.8969FF30.76546.76243462.8237151222600.627544732061299233415225DRYL
2019-08-28 04:00:11FORECAST20193365162.9249.5256.22000.010.890.9FF30.92550.92243462.8237151222600.633121493523479233415225DRYL
2019-08-28 00:00:13FORECAST20193365162.0148.8655.43500.02780.03780.930.9678FF30.01536.01243462.8237151222600.601063773911359233415225DRYL
2019-08-27 20:00:11FORECAST20193365162.2149.0455.62500.02780.02780.880.9078FF30.21551.21243462.8237151222600.608176587631999233415225DRYL
2019-08-27 16:00:11FORECAST20193365163.0449.6256.3300.02610.03610.890.9261FF31.04548.04243462.8237151222600.63728578587689233415225DRYL
2019-08-27 12:00:11FORECAST20193365162.6748.4555.5600.02420.05420.860.9142FF30.67558.67243462.8237151222600.624395929497889233415225DRYL
2019-08-27 08:00:10FORECAST20193365162.4647.3354.89500.00670.00670.90.9067FF30.46545.46243462.8237151222600.617016767946729233415225DRYL
2019-08-27 04:00:12FORECAST20193365162.3147.2654.78500.01940.03940.890.9294FF30.31552.31243462.8237151222600.611719646948529233415225DRYL
2019-08-27 00:00:12FORECAST20193365160.5647.3453.9500.00810.00810.850.8581FF28.56541.56243462.8237151222600.548632609757929233415225DRYL
2019-08-26 20:00:11FORECAST20193365160.5847.3753.97500.00810.00810.830.8381FF28.58555.58243462.8237151222600.549363817477489233415225DRYL
2019-08-26 16:00:11FORECAST20193365160.7846.9753.87500.00840.00840.810.8184FF28.78555.78243462.8237151222600.556666278172289233415225DRYL
2019-08-26 12:00:11FORECAST20193365166.5851.3658.9700.00230.00230.790.7923FF34.58565.58243462.8237151222600.751153317147889243415227.5DRYL
2019-08-26 08:00:11FORECAST20193365166.651.3858.9900.00230.00230.790.7923FF34.6560.6243462.8237151222600.751738490700539243415227.5DRYL
2019-08-26 04:00:11FORECAST20193365167.3349.3258.32500.00140.00140.790.7914FF35.33571.33243462.8237151222600.772587202218469243415227.5DRYL
2019-08-26 00:00:12FORECAST20193365159.2944.5951.9400.070.080.80.88FF27.29551.29243462.8237151222600.501968677715549233415225DRYL
2019-08-25 20:00:11FORECAST20193365159.3147.7653.53500.06410.07410.830.9041FF27.31566.31243462.8237151222600.502705436681439233415225DRYL
2019-08-25 16:00:11FORECAST20193365161.751.1156.40500.01270.02270.830.8527FF29.7566.7243462.8237151222600.589973116483759233415225DRYL
2019-08-25 12:00:11FORECAST20193365161.1253.1757.14500.01120.01120.840.8512FF29.12567.12243462.8237151222600.569035111954759233415225DRYL
2019-08-25 08:00:11FORECAST20193365155.7653.254.4800.00990.00990.820.8299FF23.76547.76243462.8237151222600.374094456122069223415222.5DRYL
2019-08-25 04:00:12FORECAST20193365153.9753.853.88500.00530.00530.850.8553FF21.97561.97243462.8237151222600.313369272907099223415222.5DRYL