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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Saturday, June 4, 2022

[ Friday, June 3, 2022 | Index | Today | Sunday, June 5, 2022 ]

DAY 247 OF WATER YEAR 2022, FORECAST LAST UPDATED 06/05/2022 04:00:04 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): 48.18°F
MINIMUM TEMPERATURE (Tmin): 36.30°F
AVERAGE TEMPERATURE (Tavg): 42.24°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.322
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: 16
18-DAY CUMULATIVE DD32: 239

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: 0.51 in
DAY 1-3 (P3): 1.16 in
DAY 4-15 (P15): 3.47 in
18-DAY TOTAL (P18): 4.63 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: 139 in
SWE DAY: 154
CALCULATED SNOW DENSITY: 464.71 kg/m3
CALCULATED SWE: 64.44 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: -38

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: 2
D3: 4
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
2022-06-05 04:00:04OBSERVATION2022247-3848.1800236.3000242.24002138.6768880.509999999999991.163.474.63TF16.18002239.18002154464.70684119118 64.4440985687030.3218847592938516 21241210WETL
2022-06-05 00:00:01FORECAST2022247-3742.5742.5742.57139.942217333330.04880.69883.474.1688TF10.57233.57155465.637780957565.1623835413650.16538001383739161123126WETL
2022-06-04 12:00:02FORECAST2022247-3749.6838.9644.32140.296385333330.56411.21413.474.6841TF17.68240.68155465.7567087923365.3439826883140.372186722398581621241210WETL
2022-06-04 08:00:02FORECAST2022247-3742.3737.9840.175140.219469333330.43321.08323.474.5532TF10.37233.37155465.7308898795465.304538231050.16089672859056161124128WETL
2022-06-04 04:00:06FORECAST2022247-3743.137.8240.46140.1708780.47841.12843.474.5984TF11.1234.1155465.7145762986865.2796210571850.17764650095755161124128WETL
2022-06-04 00:00:02FORECAST2022247-3844.0338.0841.055141.870750666670.530.823.474.29TF12.03227.03154465.782987886866.0809821392640.20051488304581161123126WETL
2022-06-03 20:00:01FORECAST2022247-3844.3336.1540.24142.016546666670.48261.02263.474.4926TF12.33236.33154465.8319046437966.1558384246680.2082524046532161124128WETL
2022-06-03 16:00:01FORECAST2022247-3845.3436.8741.105141.8474080.52281.06283.474.5328TF13.34237.34154465.7751543876166.0689983606820.23556136222292161124128WETL
2022-06-03 12:00:02FORECAST2022247-3846.5837.9242.25141.329279329760.48041.02043.474.4904TF14.58238.58154465.6011574354265.8030760354510.271625257298661621241210WETL
2022-06-03 08:00:02FORECAST2022247-3845.6737.141.385141.401492804250.5321.2623.474.732TF13.67236.67154465.6254217581465.8401297242080.24489382481686161124128WETL
2022-06-03 04:00:06FORECAST2022247-3844.7737.3741.07141.067135165990.52881.28883.474.7588TF12.77235.77154465.5130374230965.6685905716930.21991326147348161124128WETL
2022-06-03 00:00:03FORECAST2022247-3844.7936.7940.79142.768561333330.47570.88573.474.3557TF12.79223.79154466.0839294162966.5421320633510.22045203836701161123126WETL
2022-06-02 20:00:02FORECAST2022247-3845.4537.0541.25143.885657333330.50911.14913.474.6191TF13.45234.45154466.4574173550967.1165321141460.23865023628486161124128WETL
2022-06-02 16:00:02FORECAST2022247-3842.8638.0640.46143.804149333330.4871.1873.474.657TF10.86232.86154466.4302019380367.0745984130740.17202255566101161124128WETL
2022-06-02 12:00:03FORECAST2022247-3843.1637.8840.52142.651338666670.49331.18333.474.6533TF11.16232.16154466.0446759212966.4818968986450.17907037243737161124128WETL
2022-06-02 08:00:03FORECAST2022247-3845.7437.3441.54142.230733333330.48291.24293.474.7129TF13.74228.74154465.9037346548366.2658298426960.24689867050316161124128WETL
2022-06-02 04:00:06FORECAST2022247-3845.2737.141.185141.55713650.56961.37963.474.8496TF13.27225.27154465.6777041916265.920002337260.2336072379246161124128WETL
2022-06-02 00:00:03FORECAST2022247-3845.2237.8441.53142.6167720.49261.20263.384.5826TF13.22221.22154466.0330986035166.464136167990.23221694723037161124128WETL
2022-06-01 20:00:03FORECAST2022247-384537.541.25143.847301333330.37051.14053.564.7005TF13228154466.4446110375667.0967985192290.22615459696991161124128WETL
2022-06-01 16:00:03FORECAST2022247-3845.2638.1941.725143.550406666670.40111.12113.564.6811TF13.26228.26154466.3454415038966.944077775030.23332881171653161124128WETL
2022-06-01 12:00:03FORECAST2022247-3845.8837.9641.92142.444062666670.27570.99573.564.5557TF13.88229.88154465.9752383159566.3754060477930.250934531315191621241210WETL
2022-06-01 08:00:03FORECAST2022247-3843.1337.3140.22142.2868960.26070.95073.564.5107TF11.13224.13154465.9225629979666.2946752653440.1783575435458161123126WETL
2022-06-01 04:00:07FORECAST2022247-3844.9336.240.565142.176861083330.24350.94353.634.5735TF12.93224.93154465.8856716420866.2381624177720.22424455664322161123126WETL
2022-06-01 00:00:03FORECAST2022247-3845.9336.7341.33141.7594720.30450.97453.64.5745TF13.93215.93154465.7456400243366.0238560161510.25238431352548162123127.5WETL
2022-05-31 20:00:02FORECAST2022247-3843.2837.2340.255142.7968640.37860.95863.74.6586TF11.28221.28154466.093405171366.5566765895440.18193953430296161123126WETL
2022-05-31 16:00:02FORECAST2022247-3845.2638.4441.85142.686054666670.28980.88983.724.6098TF13.26222.26154466.0563022318466.4997350179970.23332881171653161123126WETL
2022-05-31 12:00:03FORECAST2022247-3843.6237.5540.585141.4040120.2590.8593.714.569TF11.62222.62154465.6262681483565.8414224087640.19022343625374161123126WETL
2022-05-31 08:00:03FORECAST2022247-3842.4737.7740.12141.083829333330.37430.80433.724.5243TF10.47222.47154465.5186509329465.6771538997070.16312838714323161123126WETL
2022-05-31 04:00:06FORECAST2022247-3842.4534.9238.685141.570361307820.37430.89433.74.5943TF10.45223.45154465.6821455977365.9267896068740.16268045776098161123126WETL
2022-05-31 00:00:03FORECAST2022247-3844.3336.340.315141.855760.45141.02143.654.6714TF12.33224.33154465.7779572649266.0732861190630.2082524046532161124128WETL
2022-05-30 20:00:03FORECAST2022247-3844.2636.3640.31141.893042666670.39741.06743.674.7374TF12.26223.26154465.7904683622166.0924268010450.20643143018492161124128WETL
2022-05-30 16:00:03FORECAST2022247-3844.236.340.25141.670877333330.39741.03743.634.6674TF12.2225.2154465.7158979224865.9783798467590.20487811467157161124128WETL
2022-05-30 12:00:03FORECAST2022247-3844.3137.8441.075141.248350535520.64241.22243.654.8724TF12.31225.31154465.5739594041765.7615538181290.20773116346651161124128WETL
2022-05-30 08:00:03FORECAST2022247-3843.8938.3841.135141.70455267370.68221.25223.644.8922TF11.89215.89154465.727203854365.9956650901470.19696379509927161124128WETL
2022-05-30 04:00:07FORECAST2022247-3843.9138.2941.1141.483929650080.68221.16223.644.8022TF11.91223.91154465.6531157781265.882432674090.1974687547588161124128WETL
2022-05-30 00:00:04FORECAST2022247-3846.3838.6542.515142.869755898381.0111.3113.514.821TF14.38228.38154466.1178062999666.5941372059660.265628146071621621241210WETL
2022-05-29 20:00:04FORECAST2022247-3846.3438.1742.255142.123802625580.85031.12033.734.8503TF14.34231.34154465.8678790724466.2109144948890.264436821798591621241210WETL
2022-05-29 16:00:04FORECAST2022247-3846.3738.2542.31142.281546648450.85161.20163.744.9416TF14.37223.37154465.9207697617666.291927737340.265330060358861621241210WETL
2022-05-29 12:00:04FORECAST2022247-3845.4239.8242.62143.017884047740.21140.57143.774.3414TF13.42228.42154466.1673794308266.6702722182770.23780562797674161123126WETL
2022-05-29 08:00:04FORECAST2022247-3844.638.2941.445143.82844755910.41280.68283.84.4828TF12.6221.6154466.4383156740567.0870988254790.21536421362601161123126WETL
2022-05-29 04:00:10FORECAST2022247-3844.638.2941.445143.412955762540.41280.68283.854.5328TF12.6227.6154466.2995044612366.8733902053910.21536421362601161123126WETL
2022-05-29 00:00:04FORECAST2022247-3844.7739.8442.305144.535001992080.39540.80543.584.3854TF12.77231.77154466.6740315802267.4507320840990.21991326147348161123126WETL
2022-05-28 20:00:04FORECAST2022247-3845.241.0843.14144.634169467350.37210.70213.854.5521TF13.2239.2154466.7070813215367.501791091470.23166212069251161123126WETL
2022-05-28 16:00:04FORECAST2022247-3846.3839.8343.105143.767507736890.3420.6723.944.612TF14.38242.38154466.4179655198867.0557484665040.26562814607162162123127.5WETL
2022-05-28 12:00:04FORECAST2022247-3841.638.0339.815144.018706980770.06270.55273.944.4927TF9.6233.6154466.5018303588467.1849904124440.14438178004634161123126WETL
2022-05-28 08:00:04FORECAST2022247-3841.0839.8840.48144.567905884910.03770.54773.994.5377TF9.08228.08154466.6849984487467.4676729336350.13389668018096161123126WETL
2022-05-28 04:00:09FORECAST2022247-3840.9939.8840.435144.619339106690.02140.53144.14.6314TF8.99234.99154466.7021393071767.4941549462790.13213631359888161123126WETL