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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Tuesday, March 3, 2020

[ Monday, March 2, 2020 | Index | Today | Wednesday, March 4, 2020 ]

DAY 155 OF WATER YEAR 2020, FORECAST LAST UPDATED 03/04/2020 04:00:03 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): 33.11°F
MINIMUM TEMPERATURE (Tmin): 27.74°F
AVERAGE TEMPERATURE (Tavg): 30.43°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.469
Maximum Percentile on this day is based on 89 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: 1
18-DAY CUMULATIVE DD32: -29

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: 0.58 in
DAY 1-3 (P3): 1.74 in
DAY 4-15 (P15): 3.62 in
18-DAY TOTAL (P18): 5.36 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: 192 in
SWE DAY: 63
CALCULATED SNOW DENSITY: 433.68 kg/m3
CALCULATED SWE: 83.43 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: -130

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: 1
D3: 5
D4: 1
D5: 2
HSdry: 10.0

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
2020-03-04 04:00:03OBSERVATION2020155-13033.1100627.7399430.425192.373302916670.579999999999981.743.625.36TF1.11006-28.8899463433.67925931289 83.4283115204750.4693375931044989 21151210WETL
2020-03-04 00:00:02FORECAST2020156-13030.7730.7730.77192.098599111410.02661.18663.624.8066TF-1.23-31.2363433.564634689683.2871589481210.35530775915235892114128WETL
2020-03-03 12:00:02FORECAST2020155-13037.8929.4233.655191.844791280680.42681.58683.625.2068TF5.89-24.1163433.4586581426683.1567858001820.699792423801268941151215WETL
2020-03-03 08:00:02FORECAST2020155-13037.0529.0433.045191.673770588170.36091.52093.625.1409TF5.05-24.9563433.3872105303383.0689607670380.662110353492888931151212.5WETL
2020-03-03 04:00:14FORECAST2020155-13033.0429.1431.09191.544317248390.40991.56993.625.1899TF1.04-28.9663433.3331079417683.0024943018280.465836528437188921151210WETL
2020-03-03 00:00:03FORECAST2020155-13036.0529.0732.56190.586874715170.52180.58183.624.2018TF4.05-21.9563432.9324100210882.5112349888240.61506691409321893113127.5WETL
2020-03-02 20:00:01FORECAST2020155-13035.6529.232.425190.859167035690.68451.35453.624.9745TF3.65-24.3563433.0464658707782.6508877638440.595717876828158931141210WETL
2020-03-02 16:00:02FORECAST2020155-13033.1429.4731.305191.195155317530.73031.40033.625.0203TF1.14-26.8663433.1870935491382.8232736326750.47083450530988892114128WETL
2020-03-02 12:00:02FORECAST2020155-13033.1229.6231.37191.306538684180.68331.35333.624.9733TF1.12-26.8863433.2336865041782.8804370065010.46983451694997892114128WETL
2020-03-02 07:59:42FORECAST2020155-13033.1629.8831.52190.855864016740.66851.28853.624.9085TF1.16-26.8463433.0450827985282.6491934357140.47183467760308892114128WETL
2020-03-02 04:00:03FORECAST2020155-13032.8830.3331.605191.147787872950.61181.33183.624.9518TF0.88-27.1263433.167275202182.7989664338360.45785128637416892114128WETL
2020-03-02 00:00:02FORECAST2020155-13032.9230.3931.655189.946151238870.63811.25813.624.8781TF0.92-26.0863432.6637169761782.1828078203250.45984612993308892114128WETL
2020-03-01 20:00:01FORECAST2020155-13032.7830.4731.625191.363314591640.70281.41283.625.0328TF0.78-20.2263433.2574314536182.909578154420.45286892889011892114128WETL
2020-03-01 16:00:01FORECAST2020155-13036.1630.7833.47190.342029698120.6671.3173.624.937TF4.16-13.8463432.8297837217682.3856995473990.620340275746568931141210WETL
2020-03-01 12:00:01FORECAST2020155-13033.8330.9232.375190.941364295180.71731.34733.624.9673TF1.83-19.1763433.0808805702382.6930541862390.505403609075418931141210WETL
2020-03-01 08:00:11FORECAST2020155-13034.3831.232.79190.241384663270.71561.28563.624.9056TF2.38-16.6263432.7875800434782.3341084925370.532942210928298931141210WETL
2020-03-01 04:00:02FORECAST2020155-13036.8631.0833.97190.071145140370.74961.39963.625.0196TF4.86-18.1463432.7161686097582.2468576884090.653338747302648931141210WETL
2020-03-01 00:00:03FORECAST2020155-13033.2831.0632.17184.221412189690.7761.4462.493.936TF1.28-21.7263430.2434896654879.2600632515950.47783922171673892114128DRYL
2020-02-29 20:00:02FORECAST2020155-13036.8830.0333.455183.681625460690.68351.46352.654.1135TF4.88-14.1263430.0134651643678.9855722513730.65426605345068931141210WETL
2020-02-29 15:59:47FORECAST2020155-13036.7430.1433.44183.299229399090.61171.39172.654.0417TF4.74-15.2663429.8503201066578.7912324325010.647755782758418931141210WETL
2020-02-29 12:00:02FORECAST2020155-13038.0229.8933.955183.929218170610.48671.20672.653.8567TF6.02-13.9863430.119013376679.1114538506730.705450743280158941141212DRYL
2020-02-29 08:00:02FORECAST2020155-13031.4629.2630.36185.256238990440.65921.31922.884.1992TF-0.54-21.5463430.6835894632779.7868219788680.38808601532212892114128WETL
2020-02-29 04:00:03FORECAST2020155-13031.8729.6130.74186.100100843820.67321.50323.144.6432TF-0.13-19.1363431.0416188018180.2168887269020.407964960322398921151210WETL
2020-02-28 23:59:50FORECAST2020155-13036.0329.6432.835190.786219487010.58981.22983.544.7698TF4.03-12.9763433.0159178613282.6134699464610.614105798758588931141210WETL
2020-02-28 20:00:03FORECAST2020155-13035.5528.2431.895191.05950912680.751.413.655.06TF3.55-11.4563433.1303333686382.753668881340.590841773888318931141210WETL
2020-02-28 16:00:03FORECAST2020155-13035.0328.2831.655192.179604233950.87761.59763.645.2376TF3.03-7.9763433.5984437075983.3287773081840.565275498087948931151212.5WETL
2020-02-28 12:00:02FORECAST2020155-13035.0628.2931.675193.794358425030.87761.69763.695.3876TF3.06-8.9463434.2709424778184.1592586801210.566758999683558931151212.5WETL
2020-02-28 08:00:03FORECAST2020155-13035.6528.0531.85192.333099256550.771.353.64.95TF3.65-12.3563433.6624886785283.4076504788510.595717876828158931141210WETL
2020-02-28 03:59:51FORECAST2020155-13035.332831.665194.050071869841.24011.70013.685.3801TF3.33-15.6763434.3771870314484.2909243620710.580065768057188931151212.5WETL
2020-02-28 00:00:02FORECAST2020155-13035.3528.0431.695193.011682462031.24011.63013.535.1601TF3.35-10.6563433.94532485583.7565172467960.581048018082938931151212.5WETL
2020-02-27 20:00:03FORECAST2020155-13031.8325.228.515197.338262884181.30741.80743.535.3374TF-0.17-1.1763435.7372429089685.9876305895940.406014188103928921151210WETL
2020-02-27 16:00:02FORECAST2020155-13032.2525.7328.99194.647457932640.96781.37783.554.9278TF0.25-0.7563434.6251219540584.5986751420180.4266045521815892114128WETL
2020-02-27 12:00:02FORECAST2020155-13032.2725.7629.015194.424199684450.96781.30783.654.9578TF0.271.2763434.5325064398784.4836348014490.4275905253041892114128WETL
2020-02-27 08:00:03FORECAST2020155-13029.923.4226.66198.362664329971.36561.91563.455.3656TF-2.1-11.163436.1586386372186.5175896306070.315481276233678921151210WETL
2020-02-27 03:59:55FORECAST2020155-13030.522.9426.72199.78398530911.47862.03863.445.4786TF-1.5-11.563436.7414973298287.2539568864130.342752270666048921151210WETL
2020-02-27 00:00:03FORECAST2020155-13029.821.9325.865197.832319519290.97661.74663.555.2966TF-2.2-1.263435.9406139454486.2431428294890.311027176335628921151210WETL
2020-02-26 20:00:03FORECAST2020155-13029.3321.2925.31199.79519329191.01341.89343.75.5934TF-2.676.3363436.746085169387.2597685058810.290469599972938921151210WETL
2020-02-26 16:00:03FORECAST2020155-13029.3522.3725.86204.212397242681.3552.4053.866.265TT-2.655.3563438.5440781008289.5561374855490.291331319219858921151210WETL
2020-02-26 11:59:56FORECAST2020155-13029.3722.0525.71205.525554238541.29442.77443.866.6344TT-2.632.3763439.0747113996890.2410734125450.292194228348278921151210WETL
2020-02-26 08:00:03FORECAST2020155-13029.2622.0625.66201.846844729631.00142.38143.696.0714TT-2.746.2663437.5837051923288.324890198170.287463007357448921151210WETL
2020-02-26 04:00:02FORECAST2020155-13028.721.7125.205203.624703691791.19742.46743.566.0274TT-3.35.763438.3060232509489.24993411080.263955240223448921151210WETL
2020-02-26 00:00:03FORECAST2020155-13028.7421.7525.245207.106862209961.19742.46743.626.0874TT-3.262.7463439.711357297791.0672394880060.265601357268078921151210WETL
2020-02-25 20:00:01FORECAST2020155-13035.3824.7530.065189.248862292410.6781.1983.114.308TF3.3828.3863432.3708053812281.825683006850.582520444627238931141210WETL
2020-02-25 16:00:02FORECAST2020155-13030.3125.227.755188.957860056660.56271.31273.164.4727TF-1.6924.3163432.2484099638581.6767345596610.33401887264296892114128WETL
2020-02-25 12:00:01FORECAST2020155-13028.2124.6326.42188.704455265420.46261.21263.064.2726TF-3.7921.2163432.1417543004381.5470743427050.2442202969216891114126WETL
2020-02-25 08:00:03FORECAST2020155-13028.7223.8226.27195.928053753330.66911.49913.394.8891TF-3.288.7263435.1553455350785.2591399310460.26477764920067892114128WETL
2020-02-25 04:00:03FORECAST2020155-13028.8227.8128.315190.879592806060.58011.35013.224.5701TF-3.1815.8263433.055018490482.6613655920680.26890911720064892114128WETL