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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Wednesday, August 28, 2019

[ Tuesday, August 27, 2019 | Index | Today | Thursday, August 29, 2019 ]

DAY 332 OF WATER YEAR 2019, FORECAST LAST UPDATED 08/29/2019 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:
H
HIGH

MODEL USED FOR HAZARD CLASS DETERMINATION:

DRY

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 78.20°F
MINIMUM TEMPERATURE (Tmin): 60.69°F
AVERAGE TEMPERATURE (Tavg): 69.45°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.943
Maximum Percentile on this day is based on 93 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: 46
18-DAY CUMULATIVE DD32: 530

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): 1.03 in
18-DAY TOTAL (P18): 1.03 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: 239
CALCULATED SNOW DENSITY: 460.75 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: 47

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 5
D1: 3
D2: 4
D3: 1
D4: 5
D5: 1
HSdry: 60.0

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
2019-08-29 04:00:11OBSERVATION20193324778.2000660.6900269.445040001.031.03FF46.20006530.20006239460.75487221801 00.942847690448693 53415160DRYH
2019-08-29 00:00:13FORECAST20193324758.6458.6458.6400.00130.00131.031.0313FF26.64510.64240461.2750347688100.394848056290499323415222.5DRYL
2019-08-28 12:00:11FORECAST20193324776.2861.4268.8500.00510.00511.031.0351FF44.28528.28240461.2750347688100.918879927243159353415160DRYH
2019-08-28 08:00:11FORECAST20193324776.1756.9866.57500.00520.00521.031.0352FF44.17528.17240461.2750347688100.917306609702139353415160DRYH
2019-08-28 04:00:11FORECAST20193324775.9756.9166.4400.00670.00671.031.0367FF43.97527.97240461.2750347688100.914387572820779353415160DRYH
2019-08-28 00:00:13FORECAST20193324777.5858.9968.28500.0130.0131.031.043FF45.58513.58239460.7548722180100.935805568247279353415160DRYH
2019-08-27 20:00:11FORECAST20193324777.7959.1368.4600.00390.01391.031.0439FF45.79529.79239460.7548722180100.9382621979189353415160DRYH
2019-08-27 16:00:11FORECAST20193324777.3561.2269.28500.00470.01471.031.0447FF45.35529.35239460.7548722180100.933028811519199353415160DRYH
2019-08-27 12:00:11FORECAST20193324777.8261.5869.700.00190.01191.031.0419FF45.82529.82239460.7548722180100.938607092550329353415160DRYH
2019-08-27 08:00:10FORECAST20193324777.4961.6169.5500.00130.00131.031.0313FF45.49526.49239460.7548722180100.934729825192879353415160DRYH
2019-08-27 04:00:11FORECAST20193324777.0460.5668.800.00120.01121.031.0412FF45.04529.04239460.7548722180100.929140864240929353415160DRYH
2019-08-27 00:00:12FORECAST20193324777.560.7769.13500.00190.01191.031.0419FF45.5520.5239460.7548722180100.934850036076399353415160DRYH
2019-08-26 20:00:11FORECAST20193324777.3761.2269.29500.00210.01211.031.0421FF45.37534.37239460.7548722180100.933273884665579353415160DRYH
2019-08-26 16:00:11FORECAST20193324777.1861.269.1900.00210.00211.031.0321FF45.18534.18239460.7548722180100.930917590464539353415160DRYH
2019-08-26 12:00:11FORECAST20193324776.9961.0769.0300.00020.00021.031.0302FF44.99533.99239460.7548722180100.92849790986229353415160DRYH
2019-08-26 08:00:11FORECAST20193324777.0161.4569.2300.00040.00041.031.0304FF45.01529.01239460.7548722180100.928755624951829353415160DRYH
2019-08-26 04:00:11FORECAST20193324777.1260.9969.05500.00220.00221.031.0322FF45.12533.12239460.7548722180100.930160371630819353415160DRYH
2019-08-26 00:00:12FORECAST20193324777.8861.269.5400.00320.00321.031.0332FF45.88525.88239460.7548722180100.939292380007219353415160DRYH
2019-08-25 20:00:10FORECAST20193324777.960.6469.2700.00280.00281.051.0528FF45.9540.9239460.7548722180100.939519479391359353415160DRYH
2019-08-25 16:00:11FORECAST20193324777.8960.6869.28500.00460.00461.051.0546FF45.89540.89239460.7548722180100.939406012646429353415160DRYH
2019-08-25 12:00:11FORECAST20193324779.660.269.900.00320.00321.051.0532FF47.6541.6239460.7548722180100.956517013841869353415160DRYH
2019-08-25 08:00:11FORECAST20193324774.2260.2867.2500.00320.00321.041.0432FF42.22531.22239460.7548722180100.885503376232169353415160DRYH
2019-08-25 04:00:12FORECAST20193324780.6160.3670.48500.0030.0031.051.053FF48.61542.61239460.7548722180100.964639685402049353415160DRYH
2019-08-25 00:00:12FORECAST20193324780.4959.7570.1200.01780.01781.041.0578FF48.49534.49239460.7548722180100.963744873116229353415160DRYH
2019-08-24 20:00:11FORECAST20193324780.5159.8270.16500.01760.01761.081.0976FF48.51545.51239460.7548722180100.96389527910379353415160DRYH
2019-08-24 16:00:11FORECAST20193324780.3561.9171.1300.01840.01841.071.0884FF48.35545.35239460.7548722180100.962677656435589353415160DRYH
2019-08-24 12:00:11FORECAST20193324781.1659.0670.1100.0020.0021.071.072FF49.16546.16239460.7548722180100.968512699110969353415160DRYH
2019-08-24 08:00:11FORECAST20193324781.1759.0470.10500.0020.0021.061.062FF49.17540.17239460.7548722180100.968579742968339353415160DRYH
2019-08-24 04:00:12FORECAST20193324779.259.2669.2300.0020.0021.071.072FF47.2542.2239460.7548722180100.952911044308229353415160DRYH
2019-08-24 00:00:13FORECAST20193324779.2560.1469.69500.00110.00111.071.0711FF47.25527.25239460.7548722180100.953374452641949353415160DRYH
2019-08-23 20:00:11FORECAST20193324779.2760.1369.700.00110.00111.121.1211FF47.27543.27239460.7548722180100.953558791586169353415160DRYH
2019-08-23 16:00:11FORECAST20193324779.9459.6569.79500.00110.00111.111.1111FF47.94536.94239460.7548722180100.959404341988969353415160DRYH
2019-08-23 12:00:11FORECAST20193324774.155.9965.04500.00040.00041.091.0904FF42.1538.1239460.7548722180100.883295630246049353415160DRYH
2019-08-23 08:00:11FORECAST20193324772.2955.964.09500.00040.00041.111.1104FF40.29530.29239460.7548722180100.846313024308689343415155DRYH
2019-08-23 04:00:11FORECAST20193324772.7456.3764.55500.00040.00041.11.1004FF40.74531.74239460.7548722180100.856159402826039353415160DRYH
2019-08-23 00:00:15FORECAST20193324775.5257.9666.7400.00390.00390.830.8339FF43.52536.52239460.7548722180100.90753973781229353415160DRYH
2019-08-22 20:00:11FORECAST20193324769.755.4162.55500.00390.00390.810.8139FF37.7537.7239460.7548722180100.781233756006199343415155DRYH
2019-08-22 16:00:11FORECAST20193324775.0556.8465.94500.00390.00390.810.8139FF43.05544.05239460.7548722180100.899964967533019353415160DRYH
2019-08-22 12:00:11FORECAST20193324777.0959.768.39500.00210.00210.790.7921FF45.09550.09239460.7548722180100.929779382838869353415160DRYH
2019-08-22 08:00:11FORECAST20193324777.1159.6968.400.00210.00210.80.8021FF45.11542.11239460.7548722180100.930033551924319353415160DRYH
2019-08-22 04:00:12FORECAST20193324777.2561.8369.5400.00260.00260.830.8326FF45.25556.25239460.7548722180100.931793025148829353415160DRYH
2019-08-22 00:00:13FORECAST20193324775.360.3667.8300.04410.04410.420.4641FF43.3536.3239460.7548722180100.904048483411399353415160DRYH
2019-08-21 20:00:11FORECAST20193324775.3260.3567.83500.03480.03480.670.7048FF43.32544.32239460.7548722180100.904369807437839353415160DRYH
2019-08-21 16:00:11FORECAST20193324774.7559.3867.06500.00090.00090.680.6809FF42.75541.75239460.7548722180100.894899571269419353415160DRYH
2019-08-21 12:00:11FORECAST20193324765.9656.2661.110000.660.66FF33.96533.96239460.7548722180100.664077216537999333415225DRYL
2019-08-21 08:00:11FORECAST20193324757.7156.2656.9850000.790.79FF25.71521.71239460.7548722180100.361515635684759323415222.5DRYL
2019-08-21 04:00:12FORECAST20193324758.1157.7257.9150000.80.8FF26.11521.11239460.7548722180100.375740291560259323415222.5DRYL