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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Tuesday, August 9, 2022

[ Monday, August 8, 2022 | Index | Today | Wednesday, August 10, 2022 ]

DAY 313 OF WATER YEAR 2022, FORECAST LAST UPDATED 08/10/2022 04:00:06 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): 76.44°F
MINIMUM TEMPERATURE (Tmin): 66.96°F
AVERAGE TEMPERATURE (Tavg): 71.70°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.878
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: 44
18-DAY CUMULATIVE DD32: 751

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): 0.00 in
18-DAY TOTAL (P18): 0.00 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: 220
CALCULATED SNOW DENSITY: 450.49 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: 28

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 5
D1: 2
D2: 5
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
2022-08-10 04:00:06OBSERVATION20223132876.4400266.9599671.6999900000FF44.44002751.44002220450.48677582001 00.8779324178892916 52515160DRYH
2022-08-10 00:00:02FORECAST20223132866.1366.1366.1300.00030.000300.0003FF34.13741.13221451.0458830952800.553137344797491632515225DRYL
2022-08-09 12:00:02FORECAST20223132874.5963.7369.1600.03120.031200.0312FF42.59749.59221451.0458830952800.836350725198951642515155DRYH
2022-08-09 08:00:01FORECAST20223132872.9463.3468.1400.03210.032100.0321FF40.94747.94221451.0458830952800.792325683645451642515155DRYH
2022-08-09 04:00:07FORECAST20223132873.761.2567.47500.0670.06700.067FF41.7748.7221451.0458830952800.813410547557871642515155DRYH
2022-08-09 00:00:03FORECAST20223132873.6761.4767.5700.03910.039100.0391FF41.67732.67220450.4867758200100.812604185223551642515155DRYH
2022-08-08 20:00:02FORECAST20223132872.536166.76500.08580.085800.0858FF40.53743.53220450.4867758200100.78039031276631642515155DRYH
2022-08-08 16:00:01FORECAST20223132873.0260.266.6100.06550.065500.0655FF41.02744.02220450.4867758200100.794609123532231642515155DRYH
2022-08-08 12:00:02FORECAST20223132873.9260.967.4100.08320.083200.0832FF41.92744.92220450.4867758200100.819258170967751642515155DRYH
2022-08-08 08:00:02FORECAST20223132874.4661.4767.96500.06330.063300.0633FF42.46745.46220450.4867758200100.833118845419711642515155DRYH
2022-08-08 04:00:07FORECAST20223132873.5262.8268.1700.05380.063800.0638FF41.52745.52220450.4867758200100.80854022047641642515155DRYH
2022-08-08 00:00:04FORECAST20223132872.7462.5167.62500.07480.074800.0748FF40.74731.74220450.4867758200100.786552005747081642515155DRYH
2022-08-07 20:00:02FORECAST20223132873.3761.4767.4200.07370.083700.0837FF41.37742.37220450.4867758200100.804422822424551642515155DRYH
2022-08-07 16:00:03FORECAST20223132872.8762.9167.8900.09570.105700.1057FF40.87741.87220450.4867758200100.7903154491300416425251110DRYVH
2022-08-07 12:00:03FORECAST20223132873.9862.0968.03500.08980.099800.0998FF41.98742.98220450.4867758200100.8208328659382416425251110DRYVH
2022-08-07 08:00:03FORECAST20223132873.8562.6268.23500.08330.093300.0933FF41.85739.85220450.4867758200100.8174101224314816425251110DRYVH
2022-08-07 04:00:06FORECAST20223132874.1363.0368.5800.06290.072900.0729FF42.13744.13220450.4867758200100.824731796234551642515155DRYH
2022-08-07 00:00:03FORECAST20223132875.9464.270.0700.02350.023500.0235FF43.94733.94220450.4867758200100.867502421644671652515160DRYH
2022-08-06 20:00:04FORECAST20223132876.8163.6670.23500.06580.065800.0658FF44.81743.81220450.4867758200100.885270347322581652515160DRYH
2022-08-06 16:00:03FORECAST20223132875.6963.0269.35500.07570.085700.0857FF43.69742.69220450.4867758200100.862064358628861652515160DRYH
2022-08-06 12:00:03FORECAST20223132876.4761.8569.1600.07580.085800.0858FF44.47744.47220450.4867758200100.878538976718711652515160DRYH
2022-08-06 08:00:02FORECAST20223132876.8762.4469.65500.07920.08920.010.0992FF44.87740.87220450.4867758200100.886430221155571652515160DRYH
2022-08-06 04:00:08FORECAST20223132878.3563.3970.8700.06270.072700.0727FF46.35747.35220450.4867758200100.912448111922171652515160DRYH
2022-08-06 00:00:03FORECAST20223132878.4863.0270.7500.05380.063800.0638FF46.48736.48220450.4867758200100.914501907093961652515160DRYH
2022-08-05 20:00:03FORECAST20223132878.7262.8170.76500.05930.079300.0793FF46.72748.72220450.4867758200100.918198712417391652515160DRYH
2022-08-05 16:00:04FORECAST20223132878.7762.870.78500.04140.041400.0414FF46.77748.77220450.4867758200100.91895353731011652515160DRYH
2022-08-05 12:00:04FORECAST20223132878.3363.0170.6700.05780.057800.0578FF46.33745.33220450.4867758200100.912128913873321652515160DRYH
2022-08-05 08:00:04FORECAST20223132875.2364.6769.9500.05560.06560.010.0756FF43.23746.23220450.4867758200100.851666387318151652515160DRYH
2022-08-05 04:00:09FORECAST20223132876.4364.6570.5400.05570.065700.0657FF44.43747.43220450.4867758200100.87772922007531652515160DRYH
2022-08-05 00:00:04FORECAST20223132875.3659.0967.22500.04890.04890.010.0589FF43.36733.36220450.4867758200100.854656569372971652515160DRYH
2022-08-04 20:00:04FORECAST20223132874.8958.4366.6600.04890.04890.020.0689FF42.89743.89220450.4867758200100.843653126935021642515155DRYH
2022-08-04 16:00:04FORECAST20223132875.2957.5466.41500.04950.05950.010.0695FF43.29743.29220450.4867758200100.85305153317061652515160DRYH
2022-08-04 12:00:04FORECAST20223132872.261.2266.7100.10970.11970.010.1297FF40.2739.2220450.4867758200100.7705045842723216425251110DRYVH
2022-08-04 08:00:04FORECAST20223132871.5661.8266.6900.03370.04370.040.0837FF39.56740.56220450.4867758200100.750641110894141642515155DRYH
2022-08-04 04:00:10FORECAST20223132871.5961.9966.7900.03370.04370.040.0837FF39.59743.59220450.4867758200100.751592157561331642515155DRYH
2022-08-04 00:00:05FORECAST20223132879.1665.4472.300.02630.02630.070.0963FF47.16735.16220450.4867758200100.924662359036321652515160DRYH
2022-08-03 20:00:04FORECAST20223132877.6565.6971.6700.02630.02630.080.1063FF45.65746.65220450.4867758200100.90075532295011652515160DRYH
2022-08-03 16:00:05FORECAST20223132880.7365.0172.8700.030.040.090.13FF48.73753.73220450.4867758200100.944595035983461652515160DRYH
2022-08-03 12:00:04FORECAST20223132875.686268.8400.00320.00320.10.1032FF43.68747.68220450.4867758200100.861843723390051652515160DRYH
2022-08-03 08:00:05FORECAST20223132880.0864.6672.370000.080.08FF48.08743.08220450.4867758200100.93691446777721652515160DRYH
2022-08-03 04:00:11FORECAST20223132880.0364.6572.340000.060.06FF48.03745.03220450.4867758200100.936291016307331652515160DRYH
2022-08-03 00:00:05FORECAST20223132878.5163.5371.0200.00470.00470.060.0647FF46.51720.51220450.4867758200100.91497071176731652515160DRYH
2022-08-02 20:00:05FORECAST20223132879.146371.0700.00380.00380.090.0938FF47.14732.14220450.4867758200100.924377234559081652515160DRYH
2022-08-02 16:00:04FORECAST20223132879.0162.9470.9750000.070.07FF47.01735.01220450.4867758200100.92250391931641652515160DRYH
2022-08-02 12:00:05FORECAST20223132872.7364.7868.7550000.070.07FF40.73727.73220450.4867758200100.786260891631751642515155DRYH
2022-08-02 08:00:05FORECAST20223132866.6565.6366.140000.050.05FF34.65714.65220450.4867758200100.573613526808091632515225DRYL
2022-08-02 04:00:09FORECAST20223132866.5465.9966.2650000.040.04FF34.54721.54220450.4867758200100.569296623920791632515225DRYL