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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Saturday, July 9, 2022

[ Friday, July 8, 2022 | Index | Today | Sunday, July 10, 2022 ]

DAY 282 OF WATER YEAR 2022, FORECAST LAST UPDATED 07/10/2022 04:00:04 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): 57.84°F
MINIMUM TEMPERATURE (Tmin): 42.62°F
AVERAGE TEMPERATURE (Tavg): 50.23°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.341
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: 26
18-DAY CUMULATIVE DD32: 494

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): 0.38 in
18-DAY TOTAL (P18): 0.38 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: 51 in
SWE DAY: 189
CALCULATED SNOW DENSITY: 452.07 kg/m3
CALCULATED SWE: 22.88 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: -3

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 2
D1: 1
D2: 3
D3: 1
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
2022-07-10 04:00:04OBSERVATION2022282-357.8400842.6250.2300450.621261304348000.380.38FF25.84008493.84008189452.06706462042 22.884205005240.3413810327568216 2131123DRYL
2022-07-10 00:00:01FORECAST2022282-244.5644.5644.5652.9313386666670.00010.00010.380.3801FF12.56480.56190453.4701255548624.002780790960.040104274702201161131122.5DRYL
2022-07-09 12:00:01FORECAST2022282-254.7442.4948.61552.7859080.00240.00240.380.3824FF22.74490.74190453.4167641861523.9340155999880.23536480873059161131122.5DRYL
2022-07-09 08:00:01FORECAST2022282-253.0743.6148.3452.4872093333330.00120.00120.380.3812FF21.07489.07190453.3071039393623.7928248567520.18680595296591161131122.5DRYL
2022-07-09 04:00:06FORECAST2022282-249.6542.3646.00552.1935391666670.00260.00260.380.3826FF17.65485.65190453.1992086491123.654070646930.10843830288998161131122.5DRYL
2022-07-09 00:00:02FORECAST2022282-353.1443.3348.23554.9129360.00480.00480.380.3848FF21.14476.14189453.6481349530224.9111510011940.18870812433997161131122.5DRYL
2022-07-08 20:00:02FORECAST2022282-356.248.9552.57556.3949146666670.0050.0250.380.405FF24.2490.2189454.1901108472725.6140125436750.2829615681835162131123DRYL
2022-07-08 16:00:01FORECAST2022282-356.6449.1152.87556.3961720.00580.02580.380.4058FF24.64490.64189454.1905698022725.6146094953470.29816009747368162131123DRYL
2022-07-08 12:00:02FORECAST2022282-356.6648.9652.8154.8593826666670.00650.02650.380.4065FF24.66490.66189453.6285116911524.8857801113750.29885968126277162131123DRYL
2022-07-08 08:00:02FORECAST2022282-356.848.8752.83554.4633773333330.00350.02350.380.4035FF24.8490.8189453.4833226957624.6982333183530.30377748786894162131123DRYL
2022-07-08 04:00:06FORECAST2022282-356.7449.0752.90554.2280631884060.0040.0240.380.404FF24.74490.74189453.396979345924.5868400454020.30166543713963162131123DRYL
2022-07-08 00:00:03FORECAST2022282-357.7949.1753.4853.6446346666670.00110.02110.380.4011FF25.79482.79189453.1826803527124.3108193247820.33952993148851162131123DRYL
2022-07-07 20:00:03FORECAST2022282-357.6249.1453.3854.7579040.00150.07150.380.4515FF25.62491.62189453.5913200833724.8377099603590.33327526926726162131123DRYL
2022-07-07 16:00:03FORECAST2022282-357.3348.7153.0254.7372946666670.00250.06250.380.4425FF25.33490.33189453.583765657224.8279482367940.3227125005922162131123DRYL
2022-07-07 12:00:03FORECAST2022282-356.4248.5452.4853.2766013333330.0020.0620.380.442FF24.42489.42189453.0473346759324.1368222346590.29051436707499162131123DRYL
2022-07-07 08:00:02FORECAST2022282-356.6948.5752.6352.8566520.00090.07090.380.4509FF24.69490.69189452.8927420590423.938394060340.29991045154684162131123DRYL
2022-07-07 04:00:07FORECAST2022282-356.5848.7852.6852.7874197575760.00050.08050.380.4605FF24.58492.58189452.8672403056723.905693108470.29606583128236162131123DRYL
2022-07-07 00:00:03FORECAST2022282-357.8149.3153.5652.8825466666670.00140.11140.190.3014FF25.81485.81189452.902279228523.9506259167410.34026872831383162132126DRYL
2022-07-06 20:00:02FORECAST2022282-356.1349.2252.67555.07355200.090.290.38FF24.13494.13189453.7069726105524.987254548830.28057830726313162131123DRYL
2022-07-06 16:00:02FORECAST2022282-358.0549.4553.7554.87358133333300.10.290.39FF26.05496.05189453.6337146927724.8925065387360.34918140723785162132126DRYL
2022-07-06 12:00:03FORECAST2022282-359.3349.2354.2853.37768266666700.090.290.38FF27.33496.33189453.0845203294724.1846017473250.39802017824618162131123DRYL
2022-07-06 08:00:03FORECAST2022282-356.9248.3352.62553.14906666666700.110.330.44FF24.92493.92189453.0004037845624.0765486607730.30802123086634162132126DRYL
2022-07-06 04:00:06FORECAST2022282-359.3448.2953.81552.3785275652170.00020.11020.360.4702FF27.34495.34189452.7165330397623.7126254050530.39840924663183162132126DRYL
2022-07-06 00:00:03FORECAST2022282-356.7849.3553.06551.1190920.00050.13050.440.5705FF24.78484.78189452.251352364523.1186784886450.30307273857162162132126DRYL
2022-07-05 20:00:03FORECAST2022282-357.9447.852.8753.1649573333330.00020.08020.510.5902FF25.94497.94189453.0062521465424.0840580671040.34508574446416162131123DRYL
2022-07-05 16:00:03FORECAST2022282-359.8249.3454.5853.0466040.00020.13020.60.7302FF27.82500.82189452.9626880073824.0281323375030.41719642437866162142127DRYL
2022-07-05 12:00:03FORECAST2022282-359.6249.1954.40551.3420973333330.00140.12140.520.6414FF27.62500.62189452.333829283523.2237674902330.40934280562749162142127DRYL
2022-07-05 08:00:04FORECAST2022282-356.3248.9352.62551.0922706666670.00140.11140.560.6714FF24.32493.32189452.2414295395523.1060415247150.2870696012065162132126DRYL
2022-07-05 04:00:07FORECAST2022282-358.6949.2353.9650.9464317101450.00140.13140.560.6914FF26.69496.69189452.1874631021823.0373377091190.37334650612532162132126DRYL
2022-07-05 00:00:04FORECAST2022282-360.0649.3554.70551.3148560.00020.11020.50.6102FF28.06488.06189452.3237567769223.2109284443870.42666428533786162132126DRYL
2022-07-04 20:00:03FORECAST2022282-360.0649.2154.63552.0055520.00020.08020.470.5502FF28.06507.06189452.5789271594923.5366169304970.42666428533786162141123.5DRYL
2022-07-04 16:00:03FORECAST2022282-361.247.3854.2952.0040760.00020.12020.430.5502FF29.2507.2189452.5783823439623.5359205913720.47212332835394162142127DRYL
2022-07-04 12:00:04FORECAST2022282-362.7848.0355.40550.8622533333330.00030.13030.410.5403FF30.78508.78189452.1563045253522.9976885070320.53560563015424163142128DRYL
2022-07-04 08:00:03FORECAST2022282-362.7848.0655.4250.7140520.00030.06030.470.5303FF30.78500.78189452.1014316966922.927895516340.53560563015424163141124DRYL
2022-07-04 04:00:08FORECAST2022282-362.1947.7954.9950.46145950.00460.06460.520.5846FF30.19504.19189452.0078595154922.8089762966230.51191965503273163141124DRYL
2022-07-04 00:00:04FORECAST2022282-363.8148.956.35551.600.070.390.46FF31.81505.81189452.4291544927723.3453443718270.57660584953942163141124DRYL
2022-07-03 20:00:04FORECAST2022282-363.7448.8856.3152.50635600.060.460.52FF31.74515.74189452.7636641693423.772970134740.57384044043499163141124DRYL
2022-07-03 16:00:04FORECAST2022282-362.2348.6255.42552.68292933333300.070.480.55FF30.23512.23189452.8287426792923.8563446506750.51352775779841163141124DRYL
2022-07-03 12:00:05FORECAST2022282-360.6648.5354.59552.1614640.00160.05160.450.5016FF28.66502.66189452.6364653054523.6101806901170.45050779195816162141123.5DRYL
2022-07-03 08:00:03FORECAST2022282-360.5948.5354.5651.8379466666670.00160.05160.530.5816FF28.59504.59189452.5170482583523.4575546133740.44771512123604162141123.5DRYL
2022-07-03 04:00:08FORECAST2022282-355.8747.1851.52551.2683071666670.05050.10050.480.5805FF23.87502.87189452.3065436924723.1889908155190.27181211919491162142127DRYL
2022-07-03 00:00:04FORECAST2022282-357.2946.6751.9852.3641333333330.06270.13270.470.6027FF25.29505.29189452.7112248393223.7058309389830.32126647712804162142127DRYL
2022-07-02 20:00:04FORECAST2022282-357.2646.6151.93554.4331773333330.06110.13110.460.5911FF25.26529.26189453.4722443563924.6839350927960.32018373196292162142127DRYL
2022-07-02 16:00:05FORECAST2022282-356.847.1751.98554.8950013333330.06150.18150.650.8315FF24.8525.8189453.6415635461924.9026542357230.30377748786894162142127DRYL
2022-07-02 12:00:04FORECAST2022282-356.2351.2453.73552.58216400.050.570.62FF24.23538.23189452.7916078171323.8087625800640.28398592921288162141123.5DRYL
2022-07-02 08:00:04FORECAST2022282-353.1951.2452.21552.79973733333300.050.550.6FF21.19530.19189452.8717778227823.9115109147220.19007408420741161141123DRYL
2022-07-02 04:00:08FORECAST2022282-351.3650.7551.05553.1043744166670.00050.05050.370.4205FF19.36519.36189452.983954092924.0554295028920.14405934880184161141123DRYL