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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Friday, June 26, 2020

[ Thursday, June 25, 2020 | Index | Today | Saturday, June 27, 2020 ]

DAY 270 OF WATER YEAR 2020, FORECAST LAST UPDATED 06/27/2020 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): 64.34°F
MINIMUM TEMPERATURE (Tmin): 49.12°F
AVERAGE TEMPERATURE (Tavg): 56.73°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.745
Maximum Percentile on this day is based on 92 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: 32
18-DAY CUMULATIVE DD32: 374

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): 0.07 in
DAY 4-15 (P15): 4.54 in
18-DAY TOTAL (P18): 4.61 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: 69 in
SWE DAY: 177
CALCULATED SNOW DENSITY: 452.39 kg/m3
CALCULATED SWE: 31.42 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: -16

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 4
D1: 1
D2: 2
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
2020-06-27 04:00:03OBSERVATION2020270-1664.3400649.1199856.7300269.45524166666700.074.544.61TF32.34006374.34006177452.39311891411 31.4210734025170.7448702620939992 4121123.5WETL
2020-06-27 00:00:02FORECAST2020270-1551.0351.0351.0370.8959693333330.00920.07924.544.6192TF19.03361.03178453.4744817676332.1495129528470.25355973788783922121122.5WETL
2020-06-26 12:00:03FORECAST2020270-1570.251.4760.83570.9102573333330.0450.1154.544.655TF38.2380.2178453.4797230941132.1563638600520.892650613006869251221116WETL
2020-06-26 08:00:03FORECAST2020270-1569.9151.7360.8270.2757960.03340.10344.544.6434TF37.91379.91178453.2467975942231.8522794853850.88722612223299251221116WETL
2020-06-26 04:00:05FORECAST2020270-1564.9452.1958.56570.0586104166670.03660.10664.544.6466TF32.94374.94178453.1669774408231.7482487262250.76362770192194924122127WETL
2020-06-25 23:54:09FORECAST2020270-1671.252.1561.67573.4263853333330.05320.12324.544.6632TF39.2386.2177453.8534266586833.3248165906940.90991388329319251221116WETL
2020-06-25 20:00:02FORECAST2020270-1670.3950.6160.575.4889240.03170.10174.544.6417TF38.39385.39177454.6060915221434.3177246928520.896101381011229251221116WETL
2020-06-25 16:00:03FORECAST2020270-1670.7450.9960.86575.4337653333330.01530.08534.544.6253TF38.74385.74177454.5860142073534.2911347195330.90224678168322925121118WETL
2020-06-25 12:00:03FORECAST2020270-1671.4252.9462.1873.1050746666670.01670.08674.544.6267TF39.42386.42177453.7358180740233.1703908592420.91341929519314925121118WETL
2020-06-25 08:00:02FORECAST2020270-1671.6752.5662.11572.6457106666670.0160.0964.544.636TF39.67381.67177453.567511362732.9497341982550.917278207748159251221116WETL
2020-06-25 03:54:27FORECAST2020270-1671.7652.2562.00572.2335786666670.01690.09694.544.6369TF39.76386.76177453.4163427992132.7518850663390.918635370257569251221116WETL
2020-06-24 23:58:52FORECAST2020270-1672.225362.6171.7637186666670.00380.09384.544.6338TF40.22388.22177453.2438066519732.5264610279810.925311698574869251221116WETL
2020-06-24 19:54:41FORECAST2020270-1672.2353.0962.6673.8489986666670.00280.07284.544.6128TF40.23388.23177454.0079687445633.5280338784730.92545206356043925121118WETL
2020-06-24 16:00:02FORECAST2020270-1672.5453.1662.8573.7890293333330.0030.0734.544.613TF40.54388.54177453.9860491378533.4991898967570.92970454227173925121118WETL
2020-06-24 11:54:16FORECAST2020270-1672.2552.7562.571.9672080.0040.0744.544.614TF40.25388.25177453.318554753632.6240707202120.92573219140422925121118WETL
2020-06-24 08:00:03FORECAST2020270-1672.4752.762.58571.4887653333330.00470.10474.544.6447TF40.47387.47177453.1427461622132.3946154428930.928760938279819251221116WETL
2020-06-24 04:00:03FORECAST2020270-1672.4153.6663.03571.4555563333330.00720.10724.544.6472TF40.41382.41177453.1305352483732.3786944877930.927944447687289251221116WETL
2020-06-23 23:58:53FORECAST2020270-1672.0753.1562.6171.626180.00560.08564.554.6356TF40.07390.07177453.1932624410232.4605021903880.92318203272679925121118WETL
2020-06-23 20:00:02FORECAST2020270-1671.4952.7862.13574.7647053333330.01720.09724.554.6472TF39.49389.49177454.3422575799533.9687650084470.914513062443679251221116WETL
2020-06-23 16:00:02FORECAST2020270-1670.9853.1362.05574.8082746666670.01930.12934.554.6793TF38.98388.98177454.3581436773533.9897488092520.906304468985459251221116WETL
2020-06-23 12:00:02FORECAST2020270-1665.5451.3758.45572.6407960.0220.0924.554.642TF33.54383.54177453.5657096124332.9473741845520.78160275626834924122127WETL
2020-06-23 08:00:02FORECAST2020270-1665.6451.3858.5172.046460.02120.08124.554.6312TF33.64382.64177453.3476560809532.662093769930.7845202772117924121123.5WETL
2020-06-23 04:00:04FORECAST2020270-1671.551.5661.5371.283916250.01250.06254.554.6125TF39.5382.5177453.0674069512732.2964190927190.91466846924099925121118WETL
2020-06-22 23:54:48FORECAST2020270-1672.4651.1161.78571.7153266666670.00630.11634.564.6763TF40.46391.46177453.226025044832.5032524399230.928625350295599251221116WETL
2020-06-22 20:00:02FORECAST2020270-1672.4850.6661.5773.6504920.00510.06514.564.6251TF40.48394.48177453.9353990912333.4325654792860.92889632910581925121118WETL
2020-06-22 16:00:03FORECAST2020270-1672.6352.3962.5173.599160.00150.04154.564.6015TF40.63394.63177453.9166272906233.4078824786230.9309036363693925121118WETL
2020-06-22 12:00:02FORECAST2020270-1673.4252.8463.1371.4423413333330.00340.04344.554.5934TF41.42389.42177453.1256758204832.3723591988640.94076500656172925121118WETL
2020-06-22 08:00:03FORECAST2020270-1673.452.7863.0971.2123586666670.00340.05344.564.6134TF41.4384.4177453.0410803281532.2621239030620.9405297079449925121118WETL
2020-06-22 04:00:03FORECAST2020270-1672.4751.9962.2370.8480531666670.00160.07164.554.6216TF40.47391.47177452.9069751225932.0875774530390.92876093827981925121118WETL
2020-06-21 23:54:24FORECAST2020270-1669.5850.0559.81572.338420.0130.0734.574.643TF37.58396.58177453.4548132392432.8022047311220.88081939026734925121118WETL
2020-06-21 20:00:02FORECAST2020270-1669.6150.0759.8473.3737346666670.0130.0634.574.633TF37.61397.61177453.8341616343133.2995073584250.88141218930974925121118WETL
2020-06-21 16:02:50FORECAST2020270-1668.7549.6659.20573.4038013333330.00980.06984.564.6298TF36.75396.75177453.8451634262433.3139602122340.86358652134387925121118WETL
2020-06-21 12:00:03FORECAST2020270-1670.0349.1859.60571.8630213333330.05110.07114.574.6411TF38.03397.03177453.2802885050932.5740910428210.88949394045462925121118WETL
2020-06-21 08:00:01FORECAST2020270-1670.0549.259.62571.7387640.05110.07114.584.6511TF38.05391.05177453.2346373497732.5144926854610.88986871926778925121118WETL
2020-06-21 04:00:04FORECAST2020270-1671.3550.0560.771.5613253333330.05120.06124.594.6512TF39.35399.35177453.1694228131532.4294044970510.91231513636973925131119WETL
2020-06-20 23:58:54FORECAST2020270-1667.1547.4957.3274.4629706666670.00140.00144.514.5114TF35.15400.15177454.2321918850433.8234783801910.82576586811654924131124WETL
2020-06-20 20:00:04FORECAST2020270-1667.1847.5157.34575.5889773333330.00140.00144.514.5114TF35.18400.18177454.6425029595334.3659618509770.82653105214065924131124WETL
2020-06-20 15:58:54FORECAST2020270-1667.6348.5258.07575.3021960.00140.00144.494.4914TF35.63401.63177454.5381126608434.2277180490570.83775200162853924131124WETL
2020-06-20 11:54:44FORECAST2020270-1667.1348.5357.8374.3067160.00110.01114.54.5111TF35.13396.13177454.1751607040433.7482646806890.82525455855396924121123.5WETL
2020-06-20 08:00:03FORECAST2020270-1666.0246.6856.3574.1041760.00470.00474.644.6447TF34.02390.02177454.101202208133.6507954102410.79539902627152924121123.5WETL
2020-06-20 04:00:03FORECAST2020270-1668.6349.9459.28572.5451630.00470.00474.594.5947TF36.63403.63177453.5306454260932.9014545979310.86096104493477925131119WETL
2020-06-20 00:00:02FORECAST2020270-1671.0849.2960.18572.6968920.0010.0014.64.601TF39.08391.08177453.5862734513332.9743123337740.90795808939184925121118WETL
2020-06-19 20:00:03FORECAST2020270-1671.150.4160.75575.4719560.0010.0014.874.871TF39.1404.1177454.5999156050134.3095448281450.90828621306675925131119WETL
2020-06-19 16:00:03FORECAST2020270-1671.3650.4360.89576.1168040.00080.00084.774.7708TF39.36405.36177454.8344366928734.6205436702020.91247351125836925131119WETL
2020-06-19 12:00:03FORECAST2020270-1655.4243.0949.25576.1235280.00080.00084.824.8208TF23.42380.42177454.8368800830434.6237879764340.41006797287964922121122.5WETL
2020-06-19 08:00:02FORECAST2020270-1645.8443.144.4775.9086333333330.00080.00084.694.6908TF13.84369.84177454.7587702738234.5201167478330.11919338096254921121122WETL
2020-06-19 04:00:05FORECAST2020270-1646.7246.0346.37576.038537060606004.634.63TF14.72373.72177454.8059927140834.5827823323750.13751738925569921121122WETL