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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Sunday, March 27, 2022

[ Saturday, March 26, 2022 | Index | Today | Monday, March 28, 2022 ]

DAY 178 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/28/2022 04:00:05 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): 52.79°F
MINIMUM TEMPERATURE (Tmin): 37.38°F
AVERAGE TEMPERATURE (Tavg): 45.09°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.968
Maximum Percentile on this day is based on 17 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: 21
18-DAY CUMULATIVE DD32: -14

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: 0.02 in
DAY 1-3 (P3): 0.06 in
DAY 4-15 (P15): 4.95 in
18-DAY TOTAL (P18): 5.01 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: 137 in
SWE DAY: 85
CALCULATED SNOW DENSITY: 424.06 kg/m3
CALCULATED SWE: 58.12 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: -107

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 5
D1: 1
D2: 1
D3: 1
D4: 1
D5: 2
HSdry: 3.5

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
2022-03-28 04:00:05OBSERVATION2022178-10752.7937.3800245.08501137.048610416670.0200000000000950.0600000000000954.955.0100000000001TF20.79-14.2185424.05984604607 58.116812634120.9679708870053117 5111123.5WETL
2022-03-28 00:00:02FORECAST2022178-10638.0638.0638.06137.9668720.0050.0454.794.835TF6.06-20.9486425.1226386410458.652840669690.57142177803791163111122.5WETL
2022-03-27 12:00:01FORECAST2022178-10654.0538.2246.135138.034805333330.06030.10034.794.8903TF22.05-4.9586425.1524489179658.6858355233810.97699483197482165112127WETL
2022-03-27 08:00:02FORECAST2022178-10649.9338.7744.35137.897701333330.08980.12984.794.9198TF17.93-9.0786425.0922801160358.6192482825460.93654519763984165112127WETL
2022-03-27 04:00:04FORECAST2022178-10647.5638.6743.115138.292080115940.14180.18184.794.9718TF15.56-11.4486425.2652987566858.8108227661880.8956572479759165112127WETL
2022-03-27 00:00:02FORECAST2022178-10750.6137.5544.08138.657714666670.16960.16964.955.1196TF18.61-22.3985424.768902461658.8974852767930.94561124186112175112127WETL
2022-03-26 20:00:01FORECAST2022178-10750.1138.3644.235139.658534666670.1970.2674.955.217TF18.11-18.8985425.2084571179259.3839900489630.9390519667214175112127WETL
2022-03-26 16:00:02FORECAST2022178-10750.9438.7744.855139.594738666670.10160.17164.955.1216TF18.94-18.0685425.1804715952159.3529568185030.9496263482551175112127WETL
2022-03-26 12:00:02FORECAST2022178-10750.7338.6144.67139.0477440.08410.15414.955.1041TF18.73-18.2785424.9403340957459.0869947906190.94709951858522175112127WETL
2022-03-26 08:00:02FORECAST2022178-10750.6338.5344.58139.337932848780.10340.21344.955.1634TF18.63-22.3785425.0677721784559.2280646959810.94586155517542175112127WETL
2022-03-26 04:00:05FORECAST2022178-10750.8238.8144.815139.418820320810.11150.27154.955.2215TF18.82-18.1885425.1032776344259.26739748230.94819445199358175112127WETL
2022-03-26 00:00:02FORECAST2022178-10749.8639.2444.55141.150898645590.09440.26444.955.2144TF17.86-28.1485425.8618233497760.1107790646690.93554901852615175112127WETL
2022-03-25 20:00:02FORECAST2022178-10750.6339.0144.82141.27560527810.07710.23714.955.1871TF18.63-19.3785425.9163086463360.1715843018240.94586155517542175112127WETL
2022-03-25 16:00:02FORECAST2022178-10750.8539.2145.03141.340084874110.08250.26254.955.2125TF18.85-19.1585425.9444735147760.2030280382370.9485554139667175112127WETL
2022-03-25 12:00:03FORECAST2022178-10751.338.8845.09140.756077569190.07670.24674.955.1967TF19.3-14.785425.6892090943859.9183433356540.95373411492812175112127WETL
2022-03-25 08:00:02FORECAST2022178-10751.9939.4845.735140.587856978170.07760.22764.955.1776TF19.99-21.0185425.6156110934159.8363866600770.96085571607306175112127WETL
2022-03-25 04:00:06FORECAST2022178-10752.2439.2145.725140.062440238640.08950.26954.955.2195TF20.24-16.7685425.3855340030859.5805359346870.96320535364281175112127WETL
2022-03-25 00:00:02FORECAST2022178-10751.5138.6745.0900.14910.41914.955.3691TF19.51-29.4985351.6764921294700.956003663731941751125235WETMH
2022-03-24 20:00:03FORECAST2022178-10750.1936.843.49500.12390.37394.955.3239TF18.19-20.8185351.6764921294700.940141016496841751125235WETMH
2022-03-24 16:00:02FORECAST2022178-10749.5736.8743.2200.16430.61434.955.5643TF17.57-26.4385351.6764921294700.931292540779431751135252.5WETMH
2022-03-24 12:00:02FORECAST2022178-10748.236.1142.15500.26450.78454.955.7345TF16.2-22.885351.6764921294700.90821688827151751135252.5WETMH
2022-03-24 08:00:02FORECAST2022178-10749.2436.2942.76500.27270.71274.965.6727TF17.24-19.7685351.6764921294700.926189797774551751135252.5WETMH
2022-03-24 04:00:06FORECAST2022178-10749.1536.3242.735NAN0.28850.75854.955.7085TF17.15-20.8585NANNAN0.924749242333021751135252.5WETMH
2022-03-24 00:00:03FORECAST2022178-1074935.4442.2200.1910.7014.955.651TF17085351.6764921294700.922300990178731751135252.5WETMH
2022-03-23 20:00:03FORECAST2022178-10749.1235.7542.43500.19970.64975.075.7197TF17.1225.1285351.6764921294700.924264340223921751135252.5WETMH
2022-03-23 16:00:03FORECAST2022178-10749.1935.7842.48500.20060.73065.075.8006TF17.1924.1985351.6764921294700.92539210461361751135252.5WETMH
2022-03-23 12:00:03FORECAST2022178-10751.1836.4543.81500.35450.83455.075.9045TF19.1824.1885351.6764921294700.952395737991221751135252.5WETMH
2022-03-23 08:00:03FORECAST2022178-10745.0736.3140.6900.46040.94045.096.0304TF13.0717.0785351.6764921294700.835134524071181741135245WETMH
2022-03-23 04:00:06FORECAST2022178-10748.336.5942.445NAN0.49360.81365.115.9236TF16.322.385NANNAN0.910073966218421751135252.5WETMH
2022-03-23 00:00:03FORECAST2022178-10746.3135.5740.94148.420649003430.3850.5355.125.655TF14.3168.3185429.0093872466163.6738516837070.867643754149821751131210.5WETL
2022-03-22 20:00:03FORECAST2022178-10746.4235.2940.855149.700789765940.40510.54515.135.6751TF14.4267.4285429.5576529496164.305119896560.870298493435111751131210.5WETL
2022-03-22 16:00:04FORECAST2022178-10747.635.2841.44149.530794353370.40640.59645.165.7564TF15.675.685429.4849489904664.221225585360.896476871209451751131210.5WETL
2022-03-22 12:00:03FORECAST2022178-10746.2833.8440.06148.541779329230.29790.43795.155.5879TF14.2877.2885429.0613420020863.7335351823760.86691329920542175112127WETL
2022-03-22 08:00:03FORECAST2022178-10745.6833.4439.56149.304975642790.30950.48955.145.6295TF13.6865.6885429.388321856564.1098129360850.85172200555741175112127WETL
2022-03-22 04:00:07FORECAST2022178-10745.3133.3739.34148.660993320940.30950.55955.25.7595TF13.3177.3185429.1124592056163.7922844318960.84179857169809174113129WETL
2022-03-22 00:00:03FORECAST2022178-10736.5130.4133.46144.969658926120.14510.64514.45.0451TF4.5164.5185427.5224667904561.9777861938650.50172228030095173113127.5WETL
2022-03-21 20:00:03FORECAST2022178-10738.0129.2733.64145.91262345140.24890.70894.655.3589TF6.0167.0185427.9300548055762.4403969503830.56919616368739173113127.5WETL
2022-03-21 16:00:03FORECAST2022178-10738.1329.1133.62146.061861567250.24890.60894.585.1889TF6.1366.1385427.9944722213262.513669353140.57453381113696173113127.5WETL
2022-03-21 12:00:04FORECAST2022178-10739.0226.4132.715148.166713085590.10390.55394.625.1739TF7.0252.0285428.9004181303863.5487651954130.61363368863599173113127.5WETL
2022-03-21 08:00:03FORECAST2022178-10740.9424.4532.695146.650439246920.17550.45554.845.2955TF8.9469.9485428.2482890548862.8027996966410.69371979536276173112125WETL
2022-03-21 04:00:06FORECAST2022178-10739.2825.6932.485148.786041210070.34110.61115.315.9211TF7.2868.2885429.1660612678263.8539192777570.62486036744348173113127.5WETL
2022-03-21 00:00:03FORECAST2022178-10743.1133.0338.07142.295696295670.21040.53045.115.6404TF11.1175.1185426.3613469508360.6693847379280.77409684595923174113129WETL
2022-03-20 20:00:04FORECAST2022178-10736.3330.5233.425143.057955361270.17250.49255.35.7925TF4.3365.3385426.6931481499361.0418493409930.4935836194955172113126WETL
2022-03-20 16:00:03FORECAST2022178-10738.2633.9936.125141.638859128930.07250.39255.315.7025TF6.2675.2685426.0749187580360.3487653963380.58030085898797173112125WETL
2022-03-20 12:00:03FORECAST2022178-10736.133.5934.845143.108042086410.01330.03335.345.3733TF4.165.185426.7149277484461.0663378391250.48318856124295172111122WETL
2022-03-20 08:00:03FORECAST2022178-10737.1935.1536.17142.320081774990.00580.02585.495.5158TF5.1967.1985426.3719715745760.6812938610560.53243359190286173111122.5WETL
2022-03-20 04:00:08FORECAST2022178-10737.0835.236.14143.619701186320.00030.02035.435.4503TF5.0872.0885426.9372577814961.3166013878830.52747385217432173111122.5WETL