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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Saturday, October 15, 2022

[ Friday, October 14, 2022 | Index | Today | Sunday, October 16, 2022 ]

DAY 15 OF WATER YEAR 2023, FORECAST LAST UPDATED 10/16/2022 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:

DRY

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 64.34°F
MINIMUM TEMPERATURE (Tmin): 54.99°F
AVERAGE TEMPERATURE (Tavg): 59.67°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.929
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: 32
18-DAY CUMULATIVE DD32: 607

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): 0.35 in
18-DAY TOTAL (P18): 0.35 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: 79
CALCULATED SNOW DENSITY: 346.00 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: 95

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 5
D1: 4
D2: 5
D3: 1
D4: 5
D5: 2
HSdry: 35.0

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
2022-10-16 04:00:05OBSERVATION2023159564.3400654.9899659.665010000.350.35FF32.34006607.3400679345.99810856281 00.9291622320605316 54515235DRYL
2022-10-16 00:00:01FORECAST2023159555.1655.1655.160000.350.35FF23.16598.1678345.0390603377700.735289320829941644415230DRYL
2022-10-15 12:00:01FORECAST2023159566.4754.0660.2650000.350.35FF34.47609.4778345.0390603377700.952047104840871654515235DRYL
2022-10-15 08:00:01FORECAST2023159566.5253.4960.00500.00180.00180.350.3518FF34.52609.5278345.0390603377700.952503272608421654515235DRYL
2022-10-15 04:00:12FORECAST2023159562.1952.8557.520000.350.35FF30.19605.1978345.0390603377700.898397185190221654515235DRYL
2022-10-15 00:00:04FORECAST2023159567.2753.0860.1750000.350.35FF35.27600.2779345.9981085628100.958938645212181654515235DRYL
2022-10-14 20:00:01FORECAST2023159567.6551.8259.7350000.350.35FF35.65614.6579345.9981085628100.961919316315041654515235DRYL
2022-10-14 16:00:02FORECAST2023159567.6754.0260.8450000.350.35FF35.67614.6779345.9981085628100.96207118709011654515235DRYL
2022-10-14 12:00:04FORECAST2023159567.7754.0360.90000.350.35FF35.77614.7779345.9981085628100.962823166817651654515235DRYL
2022-10-14 08:00:03FORECAST2023159568.3154.5161.410000.350.35FF36.31615.3179345.9981085628100.966676631529121654515170DRYH
2022-10-14 04:00:08FORECAST2023159568.5154.6361.570000.350.35FF36.51615.5179345.9981085628100.968017895151831654515170DRYH
2022-10-14 00:00:04FORECAST2023159568.8154.8961.850000.350.35FF36.81600.8179345.9981085628100.96994617219411654515170DRYH
2022-10-13 20:00:03FORECAST2023159568.6354.6361.630000.350.35FF36.63616.6379345.9981085628100.968801093290171654515170DRYH
2022-10-13 16:00:03FORECAST2023159569.3355.5762.450000.350.35FF37.33617.3379345.9981085628100.973060439114911654515170DRYH
2022-10-13 12:00:05FORECAST2023159569.3955.4962.440000.350.35FF37.39617.3979345.9981085628100.97340183413551654515170DRYH
2022-10-13 08:00:02FORECAST2023159569.4655.2162.3350000.350.35FF37.46617.4679345.9981085628100.973795564587651654515170DRYH
2022-10-13 04:00:14FORECAST2023159569.6755.3662.5150000.350.35FF37.67613.6779345.9981085628100.974947696964761654515170DRYH
2022-10-13 00:00:03FORECAST2023159569.6155.5662.5850000.350.35FF37.61603.6179345.9981085628100.97462292166251654515170DRYH
2022-10-12 20:00:06FORECAST2023159569.0154.6461.8250000.350.35FF37.01616.0179345.9981085628100.971177496951071654515170DRYH
2022-10-12 16:00:03FORECAST2023159569.3454.1861.760000.350.35FF37.34615.3479345.9981085628100.973117590334691654515170DRYH
2022-10-12 12:00:03FORECAST2023159569.2453.5661.40000.350.35FF37.24615.2479345.9981085628100.972541512037871654515170DRYH
2022-10-12 08:00:04FORECAST2023159565.6953.9459.8150000.350.35FF33.69610.6979345.9981085628100.94446861152171654515235DRYL
2022-10-12 04:00:09FORECAST2023159572.0453.9562.9950000.350.35FF40.04614.0479345.9981085628100.985264019937211654515170DRYH
2022-10-12 00:00:05FORECAST2023159571.9254.7763.3450000.350.35FF39.92607.9279345.9981085628100.984847092190381654515170DRYH
2022-10-11 20:00:03FORECAST2023159571.9754.3563.160000.350.35FF39.97618.9779345.9981085628100.985022025897811654515170DRYH
2022-10-11 16:00:03FORECAST2023159572.1554.4863.3150000.350.35FF40.15615.1579345.9981085628100.985637511587181654515170DRYH
2022-10-11 12:00:04FORECAST2023159568.7554.0761.410000.350.35FF36.75610.7579345.9981085628100.969568403359691654515170DRYH
2022-10-11 08:00:04FORECAST2023159569.6353.2661.4450000.350.35FF37.63617.6379345.9981085628100.974731568779981654515170DRYH
2022-10-11 04:00:05FORECAST2023159575.4853.2664.370000.350.35FF43.48618.4879345.9981085628100.993682472776791654515170DRYH
2022-10-11 00:00:10FORECAST2023159576.3655.0765.7150000.350.35FF44.36608.3679345.9981085628100.994987390667441654515170DRYH
2022-10-10 20:00:04FORECAST202315957052.4961.2450000.370.37FF3861879345.9981085628100.976672442152151654515170DRYH
2022-10-10 16:00:03FORECAST202315957052.4961.2450000.370.37FF3861379345.9981085628100.976672442152151654515170DRYH
2022-10-10 12:00:03FORECAST2023159571.2151.7461.4750000.370.37FF39.21612.2179345.9981085628100.982167663475021654515170DRYH
2022-10-10 08:00:05FORECAST2023159573.8553.7263.7850000.380.38FF41.85618.8579345.9981085628100.990454809240981654515170DRYH
2022-10-10 04:00:18FORECAST2023159573.8253.7263.770000.380.38FF41.82619.8279345.9981085628100.99038388094631654515170DRYH
2022-10-10 00:00:07FORECAST2023159577.558.2167.8550000.390.39FF45.5623.579345.9981085628100.996318640248381654515170DRYH
2022-10-09 20:00:05FORECAST2023159577.2757.3967.330000.390.39FF45.27632.2779345.9981085628100.996078900314361654515170DRYH
2022-10-09 16:00:05FORECAST2023159577.2357.467.3150000.380.38FF45.23628.2379345.9981085628100.996035806932571654515170DRYH
2022-10-09 12:00:04FORECAST2023159576.557.4666.980000.380.38FF44.5632.579345.9981085628100.995171223031921654515170DRYH
2022-10-09 08:00:05FORECAST2023159574.5555.3764.960000.380.38FF42.55618.5579345.9981085628100.991984964902991654515170DRYH
2022-10-09 04:00:04FORECAST2023159574.5555.3764.960000.370.37FF42.55632.5579345.9981085628100.991984964902991654515170DRYH
2022-10-09 00:00:05FORECAST2023159576.4457.3966.9150000.380.38FF44.44620.4479345.9981085628100.995093186539781654515170DRYH
2022-10-08 20:00:03FORECAST2023159572.4554.1263.2850000.390.39FF40.45626.4579345.9981085628100.986615028273441654515170DRYH
2022-10-08 16:00:08FORECAST2023159572.4554.1263.2850000.380.38FF40.45625.4579345.9981085628100.986615028273441654515170DRYH
2022-10-08 12:00:06FORECAST2023159566.1851.3958.7850000.380.38FF34.18610.1879345.9981085628100.949332004405021654515235DRYL
2022-10-08 08:00:02FORECAST2023159553.7951.3952.590000.380.38FF21.79594.7979345.9981085628100.692710410302321634415227.5DRYL
2022-10-08 04:00:12FORECAST2023159563.0362.1562.590000.380.38FF31.03617.0379345.9981085628100.911405044916911654515235DRYL