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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Tuesday, November 29, 2022

[ Monday, November 28, 2022 | Index | Today | Wednesday, November 30, 2022 ]

DAY 60 OF WATER YEAR 2023, FORECAST LAST UPDATED 11/30/2022 07:00:13 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:

WET

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 23.55°F
MINIMUM TEMPERATURE (Tmin): 13.12°F
AVERAGE TEMPERATURE (Tavg): 18.34°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.093
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: -8
18-DAY CUMULATIVE DD32: 132

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: 1.07 in
DAY 1-3 (P3): 2.57 in
DAY 4-15 (P15): 1.92 in
18-DAY TOTAL (P18): 4.49 in

PRECIP THRESHOLD A (PA) EXCEEDED: True
P3 > (-0.67 * P15 + 2.5)

PRECIP THRESHOLD B (PB) EXCEEDED: False
P3 > (-0.67 * P15 + 4.5)
Snow at Paradise DEPTH: 47 in
SWE DAY: 33
CALCULATED SNOW DENSITY: 331.40 kg/m3
CALCULATED SWE: 15.46 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: 140

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 1
D1: 3
D2: 1
D3: 5
D4: 1
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
2022-11-30 07:00:13OBSERVATION20236014023.5500813.1199818.3350346.6391336363641.06999999999992.56999999999991.924.4899999999999TF-8.44992131.5500833331.3994539487 15.4561834197310.09300193659275616 13151212.5WETL
2022-11-30 03:00:12OBSERVATION20236014023.5500813.1199818.3350346.6391336363641.06999999999992.56999999999991.924.4899999999999TF-8.44992131.5500833331.3994539487 15.4561834197310.09300193659275616 13151212.5WETL
2022-11-29 11:00:02FORECAST20236014025.1415.0620.148.3209173970610.81472.31471.924.2347TF-6.86133.1433332.5354444764716.0684177441420.122294127757251613151212.5WETL
2022-11-29 10:15:00FORECAST20236014025.1415.0620.148.3209173970610.81472.31471.924.2347TF-6.86133.1433332.5354444764716.0684177441420.122294127757251613151212.5WETL
2022-11-29 07:00:11FORECAST20236014031.9313.4522.69118.141534740190.81052.31051.924.2305TF-0.07139.9333375.6594855655844.3809881644280.313577658955131623151215WETL
2022-11-29 03:00:11FORECAST20236014031.9614.5923.275117.213180335060.76282.26281.924.1828TF-0.039999999999999139.9633375.1348196023643.970745260010.314639845955291623151215WETL
2022-11-28 23:00:02FORECAST20236014030.9911.8521.4236.3342616599090.69551.84551.923.7655TF-1.01148.9933324.3318775637511.7843593040510.281112565441681623151215DRYL
2022-11-28 19:00:01FORECAST20236014031.1511.6621.40536.8992825479880.68041.83041.923.7504TF-0.85149.1533324.7242080960911.9820903047090.286522567423971623151215DRYL
2022-11-28 15:00:02FORECAST20236014029.789.919.8436.9371250058240.67311.82311.923.7431TF-2.22147.7833324.750464448411.995348501030.241870734871841613151212.5DRYL
2022-11-28 11:00:02FORECAST20236014021.6810.9316.30538.1476282948050.61541.76541.923.6854TF-10.32139.6833325.5890216053812.4204489730710.0655810460197351613151212.5DRYL
2022-11-28 07:00:09FORECAST20236014021.6710.4316.0537.325545567350.50861.68861.923.6086TF-10.33135.6733325.0198176719812.1315420148070.0654533877873871613151212.5DRYL
2022-11-28 03:00:20FORECAST20236014021.4815.8118.64537.8062422300910.4981.7781.923.698TF-10.52134.4833325.3527927405612.3003664925860.0630642063484971613151212.5DRYL
2022-11-27 23:00:03FORECAST20236014029.5511.520.52532.3876959736710.53421.30421.923.2242TF-2.45136.5533321.5757640256910.4150980777650.234762167121541613141210DRYL
2022-11-27 19:00:03FORECAST20236014029.0510.5919.8231.8118218861840.40281.17281.923.0928FF-2.95140.0533321.171283239910.2170436573850.219714156911991613141210DRYL
2022-11-27 15:00:02FORECAST20236014029.738.0818.90531.0792741109420.29441.06441.922.9844FF-2.27139.7333320.655902716959.96575269583160.240315544707221613142220DRYL
2022-11-27 11:00:02FORECAST20236014020.717.7914.2534.4070124118820.25371.08371.923.0037FF-11.29130.7133322.9894201831111.1131009891470.0540686670012221613141210DRYL
2022-11-27 07:00:06FORECAST20236014030.8216.4923.65535.0030931857710.32621.20621.923.1262FF-1.18140.8233323.4053322831811.3201869826830.275418995921511623141212DRYL
2022-11-27 03:00:14FORECAST20236014028.578.6618.61536.150498458650.31211.54211.923.4621TF-3.43145.5733324.2041575038411.7201418961310.205802685889861613151212.5DRYL
2022-11-26 23:00:04FORECAST20236014022.9413.4418.1937.0018238293510.38412.09412.024.1141TF-9.06148.9433324.795348792412.0180202766090.0832567043847321613151212.5WETL
2022-11-26 19:00:03FORECAST20236014029.968.519.2335.007134097760.26871.84872.023.8687TF-2.04154.9633323.4081496590511.3215924634230.247514284465831613151212.5DRYL
2022-11-26 15:00:03FORECAST20236014029.759.8219.78535.6235749769150.24621.98622.024.0062TF-2.25153.7533323.8376016757211.5362530836390.240936967217651613151212.5WETL
2022-11-26 11:00:09FORECAST20236014029.557.7118.6336.5258889878010.27411.95412.023.9741TF-2.45153.5533324.4649999094511.851372567120.234762167121541613151212.5DRYL
2022-11-26 07:00:17FORECAST20236014029.658.9619.30536.1473938446710.27591.95592.033.9859TF-2.35155.6533324.2019992066911.7190573505540.237838595561191613151212.5DRYL
2022-11-26 03:00:33FORECAST20236014030.398.0519.2238.1651055316850.36962.08962.054.1396TF-1.61147.3933325.6011098154912.4266007173420.261275514878841623151215WETL
2022-11-25 23:00:04FORECAST20236014029.6713.1221.39538.8769253622890.34892.27892.254.5289TF-2.33137.6733326.0929875032712.677492736330.238456519261211613151212.5WETL
2022-11-25 19:00:04FORECAST20236014029.579.1819.37538.6396463027470.28932.10932.264.3693TF-2.43135.5733325.9291230833612.5937860357050.235375690178181613151212.5WETL
2022-11-25 15:00:04FORECAST20236014028.2114.7221.46537.1594055606440.34362.11362.264.3736TF-3.79145.2133324.9046391303512.0732632539790.19571998428661613151212.5WETL
2022-11-25 11:00:04FORECAST20236014030.1610.4620.3141.7755788357740.44162.21162.34.5116TF-1.84128.1633328.0868393755413.7060176233130.253866360016971623151215WETL
2022-11-25 07:00:29FORECAST20236014030.169.8620.0141.0242754756750.5172.2872.314.597TF-1.84149.1633327.5714604836513.438381832850.253866360016971623151215WETL
2022-11-25 03:00:29FORECAST20236014029.969.3119.63541.8160299603530.5532.3732.374.743TF-2.04140.9633328.1145601356813.7204482770620.247514284465831613151212.5WETL
2022-11-24 23:00:05FORECAST20236014032.8316.6224.72543.2020028933090.79482.73482.365.0948TF0.83150.8333329.0626352744114.2161649212050.346080254677921623151215WETL
2022-11-24 19:00:04FORECAST20236014028.9810.0619.5246.9013167555690.83882.95882.475.4288TT-3.02146.9833331.5768696064615.5513917902320.217652462853711613151212.5WETL
2022-11-24 15:00:04FORECAST20236014029.2316.5122.8747.0303600342370.84562.81562.475.2856TF-2.77137.2333331.6641480152815.5982842916070.225066741608531613151212.5WETL
2022-11-24 11:00:04FORECAST20236014031.139.2320.1840.3658441627350.47262.33262.514.8426TF-0.87145.1333327.1189805728913.2044337924780.285843626510011623151215WETL
2022-11-24 07:00:31FORECAST20236014033.3714.6724.0241.9101207455010.47262.72262.565.2826TF1.37140.3733328.1790286142913.7540227153660.3661604511921623151215WETL
2022-11-24 03:00:37FORECAST20236014032.3110.9621.63545.8343529729160.45662.76662.575.3366TF0.31139.3133330.8541315850715.1644850496180.327143495295851623151215WETL
2022-11-23 23:00:07FORECAST20236014030.7512.121.42541.5836332931660.49042.27042.64.8704TF-1.25144.7533327.9552621423113.637571357490.273091168001711623151215WETL
2022-11-23 19:00:04FORECAST20236014030.8812.1221.537.7138128250340.49042.26042.514.7704TF-1.12146.8833325.2887991333512.2678808845950.277422007048591623151215WETL
2022-11-23 15:00:10FORECAST20236014023.4616.5620.0142.9139926385540.59652.40652.524.9265TF-8.54141.4633328.8658964099514.1129486576080.0915123792624461613151212.5WETL
2022-11-23 11:00:04FORECAST20236014033.7216.124.9148.5190107646430.50063.20062.575.7706TT1.72151.7233332.6689309657516.1407674425890.379378046754711623151215WETL
2022-11-23 07:00:37FORECAST20236014026.7319.523.11545.8467386801670.50063.02062.45.4206TT-5.27146.7333330.8625326348715.1689680727690.157501901072881613151212.5WETL
2022-11-23 03:00:10FORECAST20236014021.7515.3318.5444.5475448073620.29412.82412.35.1241TF-10.25141.7533329.9798661159214.6997928713260.0664800474846931613151212.5WETL
2022-11-22 23:00:04FORECAST20236014023.1815.8119.49532.9727003838820.11191.67191.583.2519TF-8.82139.1833321.9860524017510.6167496336320.0869948932598711613151212.5DRYL
2022-11-22 19:00:21FORECAST20236014022.1215.318.7131.8715355540940.01541.57541.63.1754TF-9.88141.1233321.2132522532510.2375595896360.0713906619548271613151212.5DRYL
2022-11-22 15:00:04FORECAST20236014022.1416.719.4234.8335331655630.00951.70951.793.4995TF-9.86142.1433323.287086785511.2612314595410.0716638005938111613151212.5DRYL
2022-11-22 11:00:05FORECAST20236014022.2415.6118.92531.2796637310590.00580.96581.832.7958FF-9.76130.2433320.7969811820810.0344216973140.073041491934234161313127.5DRYL
2022-11-22 07:00:26FORECAST20236014025.9417.4921.71530.36893097793600.961.982.94FF-6.06139.9433320.155227536489.72277200728080.139253986244491613132215DRYL
2022-11-22 03:00:14FORECAST20236014019.8118.5519.1830.2299612475900.712.042.75FF-12.19128.8133320.057171016379.67531587683810.0448721998886161613132215DRYL