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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Monday, August 26, 2019

[ Sunday, August 25, 2019 | Index | Today | Tuesday, August 27, 2019 ]

DAY 330 OF WATER YEAR 2019, FORECAST LAST UPDATED 08/27/2019 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): 64.71°F
MINIMUM TEMPERATURE (Tmin): 42.92°F
AVERAGE TEMPERATURE (Tavg): 53.82°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.678
Maximum Percentile on this day is based on 95 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: 33
18-DAY CUMULATIVE DD32: 504

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): 1.38 in
18-DAY TOTAL (P18): 1.38 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: 0 in
SWE DAY: 237
CALCULATED SNOW DENSITY: 459.71 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: 45

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
2019-08-27 04:00:11OBSERVATION20193304564.7099642.9200653.815010001.381.38FF32.70996503.70996237459.70859844258 00.6776389037788595 33415225DRYL
2019-08-27 00:00:12FORECAST20193304554.754.754.70001.381.38FF22.7493.7238460.2327292891900.300407672674869523315220DRYL
2019-08-26 12:00:11FORECAST20193304568.8956.9762.9300.00450.00451.381.3845FF36.89507.89238460.2327292891900.808458454026729543415155DRYH
2019-08-26 08:00:11FORECAST20193304564.1444.0654.100.0040.0041.381.384FF32.14503.14238460.2327292891900.657282554580629533415225DRYL
2019-08-26 04:00:11FORECAST20193304569.144.6456.8700.00320.00321.381.3832FF37.1508.1238460.2327292891900.814041923242619543415155DRYH
2019-08-26 00:00:12FORECAST20193304569.3145.2257.26500.0040.0041.381.384FF37.31500.31237459.7085984425800.819523567636419543415155DRYH
2019-08-25 20:00:10FORECAST20193304569.3647.2458.300.00280.02281.381.4028FF37.36515.36237459.7085984425800.820813663426079543415155DRYH
2019-08-25 16:00:11FORECAST20193304569.3847.658.4900.00270.02271.381.4027FF37.38515.38237459.7085984425800.821328077366999543415155DRYH
2019-08-25 12:00:11FORECAST20193304569.1148.2258.66500.00120.02121.381.4012FF37.11515.11237459.7085984425800.814305266664999543415155DRYH
2019-08-25 08:00:11FORECAST20193304568.8748.0158.4400.00040.01041.381.3904FF36.87508.87237459.7085984425800.807921402861559543415155DRYH
2019-08-25 04:00:12FORECAST20193304568.8347.9358.3800.0010.0211.381.401FF36.83513.83237459.7085984425800.806844545915729543415155DRYH
2019-08-25 00:00:12FORECAST20193304568.6248.0458.3300.00240.01241.381.3924FF36.62505.62237459.7085984425800.801130946591729543415155DRYH
2019-08-24 20:00:11FORECAST20193304568.6647.958.2800.00120.05121.381.4312FF36.66516.66237459.7085984425800.802227019169469543415155DRYH
2019-08-24 16:00:11FORECAST20193304568.4548.358.37500.00130.04131.381.4213FF36.45517.45237459.7085984425800.796432024875529543415155DRYH
2019-08-24 12:00:11FORECAST20193304568.2347.7657.99500.0010.0411.381.421FF36.23516.23237459.7085984425800.79025396345639543415155DRYH
2019-08-24 08:00:11FORECAST20193304568.0548.0158.0300.00230.03231.381.4123FF36.05515.05237459.7085984425800.785118313946289543415155DRYH
2019-08-24 04:00:12FORECAST20193304567.9947.9257.95500.00250.04251.381.4225FF35.99513.99237459.7085984425800.783390364268589543415227.5DRYL
2019-08-24 00:00:13FORECAST20193304567.3247.6857.500.00290.04291.381.4229FF35.32500.32237459.7085984425800.763557541147179543415227.5DRYL
2019-08-23 20:00:11FORECAST20193304567.3747.6757.5200.00240.07241.41.4724FF35.37516.37237459.7085984425800.765071230333519543415227.5DRYL
2019-08-23 16:00:11FORECAST20193304567.2147.4857.34500.00260.06261.41.4626FF35.21510.21237459.7085984425800.760208639414389543415227.5DRYL
2019-08-23 12:00:11FORECAST20193304568.2547.7157.9800.00020.04021.41.4402FF36.25518.25237459.7085984425800.790820110881239543415155DRYH
2019-08-23 08:00:11FORECAST20193304564.0548.256.12500.00040.05041.411.4604FF32.05513.05237459.7085984425800.654024083881719533415225DRYL
2019-08-23 04:00:11FORECAST20193304569.1248.2558.685000.051.41.45FF37.12513.12237459.7085984425800.814568379122679543415155DRYH
2019-08-23 00:00:15FORECAST20193304568.9848.4258.700.00360.07361.111.1836FF36.98514.98237459.7085984425800.810863806153889543415155DRYH
2019-08-22 20:00:11FORECAST20193304567.5746.9357.2500.00330.04331.121.1633FF35.57524.57237459.7085984425800.77107220126539543415227.5DRYL
2019-08-22 16:00:11FORECAST20193304568.164858.0800.00290.04291.121.1629FF36.16524.16237459.7085984425800.788265379668079543415155DRYH
2019-08-22 12:00:11FORECAST20193304569.2748.7659.01500.00080.02081.121.1408FF37.27525.27237459.7085984425800.818487316716499543415155DRYH
2019-08-22 08:00:11FORECAST20193304569.2948.7759.0300.00080.03081.121.1508FF37.29517.29237459.7085984425800.819005905791989543415155DRYH
2019-08-22 04:00:12FORECAST20193304570.7349.4260.07500.00080.04081.141.1808FF38.73528.73237459.7085984425800.853894899994799553415160DRYH
2019-08-22 00:00:13FORECAST20193304568.3846.4757.42500.0010.0510.720.771FF36.38515.38237459.7085984425800.794478125468589543415155DRYH
2019-08-21 20:00:11FORECAST20193304568.446.4957.44500.0010.02111.021FF36.4523.4237459.7085984425800.795037513269569543415155DRYH
2019-08-21 16:00:11FORECAST20193304567.3645.6956.52500.00120.02121.011.0312FF35.36522.36237459.7085984425800.764768920859689543415227.5DRYL
2019-08-21 12:00:11FORECAST20193304566.8447.0156.925000.020.991.01FF34.84522.84237459.7085984425800.748756920433949543415227.5DRYL
2019-08-21 08:00:11FORECAST20193304566.8747.0356.95000.011.131.14FF34.87517.87237459.7085984425800.74969607275259543415227.5DRYL
2019-08-21 04:00:11FORECAST20193304566.4446.1756.30500.00040.02041.131.1504FF34.44518.44237459.7085984425800.736059230595079543415227.5DRYL
2019-08-21 00:00:13FORECAST20193304566.5846.156.3400.00140.02141.021.0414FF34.58511.58237459.7085984425800.740540289877589543415227.5DRYL
2019-08-20 20:00:12FORECAST20193304566.6146.1256.36500.00140.02141.051.0714FF34.61523.61237459.7085984425800.7414953860189543415227.5DRYL
2019-08-20 16:00:11FORECAST20193304565.5745.955.73500.00080.02081.061.0808FF33.57519.57237459.7085984425800.707358084583449543415227.5DRYL
2019-08-20 12:00:11FORECAST20193304560.743.3152.00500.00890.03891.121.1589FF28.7507.7237459.7085984425800.526623755687699533415225DRYL
2019-08-20 08:00:11FORECAST20193304560.7243.352.0100.00890.03891.211.2489FF28.72510.72237459.7085984425800.527406551273299533415225DRYL
2019-08-20 04:00:12FORECAST20193304561.7343.9352.8300.0050.0351.21.235FF29.73516.73237459.7085984425800.566735882927349533415225DRYL
2019-08-20 00:00:13FORECAST20193304568.8446.4857.6600.00110.01111.221.2311FF36.84509.84237459.7085984425800.807114104319969543415155DRYH
2019-08-19 20:00:11FORECAST20193304568.8746.4757.6700.00080.01081.281.2908FF36.87522.87237459.7085984425800.807921402861559543415155DRYH
2019-08-19 16:00:11FORECAST20193304567.9646.7457.35000.031.171.2FF35.96520.96237459.7085984425800.782523389590719543415227.5DRYL
2019-08-19 12:00:11FORECAST20193304556.4645.4150.93500.00110.04111.181.2211FF24.46511.46237459.7085984425800.363111736606969523415222.5DRYL
2019-08-19 08:00:11FORECAST20193304547.9345.3946.6600.00090.04091.161.2009FF15.93498.93237459.7085984425800.117160322811319513315217.5DRYL
2019-08-19 04:00:12FORECAST20193304546.8445.3246.0800.00090.03091.061.0909FF14.84508.84237459.7085984425800.0973750637316869513415220DRYL