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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Monday, August 4, 2025

[ Sunday, August 3, 2025 | Index | Today | Tuesday, August 5, 2025 ]

DAY 308 OF WATER YEAR 2025, FORECAST LAST UPDATED 08/05/2025 04:00:02 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): 46.54°F
MINIMUM TEMPERATURE (Tmin): 41.64°F
AVERAGE TEMPERATURE (Tavg): 44.09°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.030
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: 15
18-DAY CUMULATIVE DD32: 213

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: 0.04 in
DAY 1-3 (P3): 0.04 in
DAY 4-15 (P15): 0.32 in
18-DAY TOTAL (P18): 0.36 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: 215
CALCULATED SNOW DENSITY: 447.66 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: 23

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 1
D1: 2
D2: 2
D3: 1
D4: 5
D5: 2
HSdry: 12.5

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
2025-08-05 04:00:02OBSERVATION20253082346.5400441.6400844.0900600.0399999999999640.0399999999999640.320.35999999999996FF14.54004212.54004215447.65914715223 00.02973477317786816 12215212.5DRYL
2025-08-05 00:00:01FORECAST20253082352.80841.46847.13800.0023622060.0023622060.320.322362206FF20.808218.808215447.6591471522300.113286377948751612215212.5DRYL
2025-08-04 12:00:01FORECAST20253082355.3140.7348.020000.320.32FF23.31221.31215447.6591471522300.173568691275821612215212.5DRYL
2025-08-04 08:00:02FORECAST20253082355.18440.44247.8130000.320.32FF23.184221.184215447.6591471522300.170117217781931612215212.5DRYL
2025-08-04 04:00:02FORECAST20253082355.95839.84847.9030000.320.32FF23.958221.958215447.6591471522300.192014041167051612215212.5DRYL
2025-08-04 00:00:01FORECAST20253082355.7639.59647.6780000.320.32FF23.76221.76215447.6591471522300.186254972295941612215212.5DRYL
2025-08-03 20:00:01FORECAST20253082355.72440.85648.290000.320.32FF23.724222.724215447.6591471522300.185219460256761612215212.5DRYL
2025-08-03 16:00:02FORECAST20253082355.3140.96448.1370000.320.32FF23.31222.31215447.6591471522300.173568691275821612215212.5DRYL
2025-08-03 12:00:01FORECAST20253082356.26440.9148.5870000.320.32FF24.264223.264215447.6591471522300.201125523404021612215212.5DRYL
2025-08-03 08:00:02FORECAST20253082356.58841.14448.8660000.320.32FF24.588224.588215447.6591471522300.211049694957291612215212.5DRYL
2025-08-03 04:00:04FORECAST20253082357.3842.20649.7930000.320.32FF25.38226.38215447.6591471522300.236480980666681612215212.5DRYL
2025-08-03 00:00:02FORECAST20253082356.2464148.6230000.320.32FF24.246219.246215447.6591471522300.20058249536961612215212.5DRYL
2025-08-02 20:00:02FORECAST20253082356.2141.19848.7040000.320.32FF24.21220.21215447.6591471522300.199499078307951612215212.5DRYL
2025-08-02 16:00:01FORECAST20253082356.8441.10848.9740000.320.32FF24.84221.84215447.6591471522300.218962829659931612215212.5DRYL
2025-08-02 12:00:02FORECAST20253082355.95841.84648.90200.0023622060.0023622060.320.322362206FF23.958220.958215447.6591471522300.192014041167051612215212.5DRYL
2025-08-02 08:00:02FORECAST20253082355.88641.64848.76700.0015748040.0015748040.320.321574804FF23.886221.886215447.6591471522300.189907369200181612215212.5DRYL
2025-08-02 04:00:03FORECAST20253082356.55241.61249.08200.0003937010.0003937010.320.320393701FF24.552223.552215447.6591471522300.209933065857091612215212.5DRYL
2025-08-02 00:00:02FORECAST20253082358.49642.33250.41400.0114173290.0114173290.320.331417329FF26.496222.496215447.6591471522300.275004889432741622215215DRYL
2025-08-01 20:00:01FORECAST20253082357.84842.38650.11700.0122047310.0122047310.320.332204731FF25.848221.848215447.6591471522300.252265899499281622215215DRYL
2025-08-01 16:00:01FORECAST20253082356.3941.86449.12700.0161417410.0161417410.320.336141741FF24.39218.39215447.6591471522300.204951293330251612215212.5DRYL
2025-08-01 12:00:02FORECAST20253082355.79641.52248.65900.0047244120.0047244120.320.324724412FF23.796218.796215447.6591471522300.187294055930631612215212.5DRYL
2025-08-01 08:00:02FORECAST20253082355.16641.43248.29900.0094488240.0094488240.320.329448824FF23.166219.166215447.6591471522300.169627756392451612215212.5DRYL
2025-08-01 04:00:04FORECAST20253082354.7741.30648.03800.0106299270.0106299270.320.330629927FF22.77219.77215447.6591471522300.159088051665011612215212.5DRYL
2025-08-01 00:00:02FORECAST20253082354.28441.95448.11900.0133858340.0133858340.330.343385834FF22.284217.284215447.6591471522300.146750710331191612215212.5DRYL
2025-07-31 20:00:02FORECAST20253082354.21240.47847.34500.0122047310.0122047310.380.392204731FF22.212218.212215447.6591471522300.144978926880491612215212.5DRYL
2025-07-31 16:00:01FORECAST20253082354.60841.37847.99300.0122047310.0122047310.380.392204731FF22.608218.608215447.6591471522300.154902421566471612215212.5DRYL
2025-07-31 12:00:02FORECAST20253082357.45243.66450.55800.0559055420.0559055420.370.425905542FF25.452223.452215447.6591471522300.238873551388831612215212.5DRYL
2025-07-31 08:00:02FORECAST20253082356.17442.69249.43300.0559055420.0559055420.460.515905542FF24.174222.174215447.6591471522300.198419183847091612215212.5DRYL
2025-07-31 04:00:03FORECAST20253082356.85843.41250.13500.0559055420.0559055420.440.495905542FF24.858221.858215447.6591471522300.219534497378491612215212.5DRYL
2025-07-31 00:00:02FORECAST20253082357.9243.1650.540000.410.41FF25.92218.92215447.6591471522300.254742653064951622215215DRYL
2025-07-30 20:00:02FORECAST20253082358.62243.6151.1160000.420.42FF26.622223.622215447.6591471522300.279540665248721622215215DRYL
2025-07-30 16:00:02FORECAST20253082356.98441.93649.4600.0047244120.0047244120.330.334724412FF24.984221.984215447.6591471522300.223560056024291612215212.5DRYL
2025-07-30 12:00:02FORECAST20253082357.25441.4549.35200.0133858340.0133858340.440.453385834FF25.254220.254215447.6591471522300.232325850829921612215212.5DRYL
2025-07-30 08:00:02FORECAST20253082357.00241.61249.30700.0098425250.0098425250.490.499842525FF25.002217.002215447.6591471522300.224138537322781612215212.5DRYL
2025-07-30 04:00:04FORECAST20253082356.37241.4548.91100.0098425250.0098425250.450.459842525FF24.372214.372215447.6591471522300.204402126271751612215212.5DRYL
2025-07-30 00:00:02FORECAST20253082354.93240.87447.903000.020.540.56FF22.932278.932215447.6591471522300.163346898732661612215212.5DRYL
2025-07-29 20:00:03FORECAST20253082353.99639.86646.931000.020.560.58FF21.996274.996215447.6591471522300.139750027284871612215212.5DRYL
2025-07-29 16:00:03FORECAST20253082355.36442.13448.749000.020.490.51FF23.364280.364215447.6591471522300.175061406858991612215212.5DRYL
2025-07-29 12:00:03FORECAST20253082354.03241.21647.624000.010.640.65FF22.032274.032215447.6591471522300.1406125155421612215212.5DRYL
2025-07-29 08:00:02FORECAST20253082355.52642.31448.92000.010.680.69FF23.526281.526215447.6591471522300.179588119966771612215212.5DRYL
2025-07-29 04:00:04FORECAST20253082356.89442.31449.604000.010.610.62FF24.894280.894215447.6591471522300.220680396239191612215212.5DRYL
2025-07-29 00:00:03FORECAST20253082359.73843.0751.40400.0094488240.0194488240.50.519448824FF27.738343.738215447.6591471522300.321218084833331622215215DRYL
2025-07-28 20:00:02FORECAST20253082358.62242.850.71100.0106299270.0206299270.420.440629927FF26.622341.622215447.6591471522300.279540665248721622215215DRYL
2025-07-28 16:00:03FORECAST20253082356.94841.37849.16300.0125984320.0425984320.410.452598432FF24.948340.948215447.6591471522300.222405640073831612215212.5DRYL
2025-07-28 12:00:02FORECAST20253082363.9544.7854.365000.050.420.47FF31.95352.95215447.6591471522300.495310716690271622215215DRYL
2025-07-28 08:00:02FORECAST20253082363.9548.18256.066000.050.450.5FF31.95354.95215447.6591471522300.495310716690271622215215DRYL
2025-07-28 04:00:04FORECAST20253082361.48447.49854.491000.050.580.63FF29.484351.484215447.6591471522300.3910046191631622215215DRYL
2025-07-28 00:00:03FORECAST20253082360.29646.18453.24000.010.750.76FF28.296408.296215447.6591471522300.34298066011061622315217.5DRYL
2025-07-27 20:00:03FORECAST20253082359.95443.5251.737000.010.740.75FF27.954406.954215447.6591471522300.329574854687261622315217.5DRYL
2025-07-27 16:00:02FORECAST20253082361.19643.44852.322000.010.710.72FF29.196405.196215447.6591471522300.379176425698291622315217.5DRYL
2025-07-27 12:00:03FORECAST20253082358.60443.37650.9900.1346457420.1346457420.580.714645742FF26.604410.604215447.6591471522300.278890481930981622325235DRYL
2025-07-27 08:00:03FORECAST20253082358.60443.37650.9900.1346457420.1346457420.550.684645742FF26.604411.604215447.6591471522300.278890481930981622325235DRYL
2025-07-27 04:00:04FORECAST20253082359.88242.94451.41300.0251968640.0251968640.520.545196864FF27.882412.882215447.6591471522300.326779538941091622315217.5DRYL
2025-07-27 00:00:03FORECAST20253082356.85842.11649.48700.1098425790.1798425790.620.799842579FF24.858463.858215447.6591471522300.219534497378491612325230DRYL
2025-07-26 20:00:03FORECAST20253082357.90243.2550.57600.0322834820.1022834820.620.722283482FF25.902462.902215447.6591471522300.254122275053441622325235DRYL
2025-07-26 16:00:03FORECAST20253082359.23444.651.91700.0740157880.1040157880.620.724015788FF27.234464.234215447.6591471522300.302072896730671622325235DRYL
2025-07-26 12:00:03FORECAST20253082360.40444.67252.53800.0555118410.0555118410.70.755511841FF28.404465.404215447.6591471522300.347256456772411622315217.5DRYL
2025-07-26 08:00:03FORECAST20253082363.08644.9654.02300.0555118410.0555118410.70.755511841FF31.086467.086215447.6591471522300.458353504319471622315217.5DRYL
2025-07-26 04:00:04FORECAST20253082371.81647.10259.45900.0503937280.0503937280.720.770393728FF39.816481.816215447.6591471522300.797700601300931642315145DRYM
2025-07-26 00:00:03FORECAST20253082353.94245.51849.73000.030.450.48FF21.942520.942215447.6591471522300.138463031792991612415217.5DRYL
2025-07-25 20:00:02FORECAST20253082353.94245.80649.8740000.440.44FF21.942524.942215447.6591471522300.138463031792991612415217.5DRYL
2025-07-25 16:00:03FORECAST20253082354.1445.69849.919000.030.390.42FF22.14522.14215447.6591471522300.143221560887911612415217.5DRYL
2025-07-25 12:00:03FORECAST20253082351.09847.44449.2710000.670.67FF19.098521.098215447.6591471522300.0817662176560081612415217.5DRYL
2025-07-25 08:00:03FORECAST20253082351.09847.44449.2710000.670.67FF19.098523.098215447.6591471522300.0817662176560081612415217.5DRYL
2025-07-25 04:00:04FORECAST20253082345.53643.4344.48300.0807087050.1007087050.680.780708705FF13.536509.536215447.6591471522300.0231236898097291612425235DRYL