MOUNT RAINIER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Wednesday, June 22, 2022

[ Tuesday, June 21, 2022 | Index | Today | Thursday, June 23, 2022 ]

DAY 265 OF WATER YEAR 2022, FORECAST LAST UPDATED 06/23/2022 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): 56.12°F
MINIMUM TEMPERATURE (Tmin): 42.21°F
AVERAGE TEMPERATURE (Tavg): 49.16°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.493
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: 24
18-DAY CUMULATIVE DD32: 254

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): 0.02 in
DAY 4-15 (P15): 6.60 in
18-DAY TOTAL (P18): 6.62 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: 109 in
SWE DAY: 172
CALCULATED SNOW DENSITY: 463.73 kg/m3
CALCULATED SWE: 50.49 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: -20

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: 1
D4: 1
D5: 2
HSdry: 2.5

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
2022-06-23 04:00:05OBSERVATION2022265-2056.1242.2099649.16498108.8728137500.026.66.62TF24.12254.12172463.73065843957 50.4876616064560.4930427113568416 2121122.5WETL
2022-06-23 00:00:02FORECAST2022265-1942.2442.2442.24110.944021333330.00160.02166.66.6216TF10.24240.24173464.9408580254351.5824084715110.088908259485534161121122WETL
2022-06-22 12:00:01FORECAST2022265-1952.2445.6448.94110.756989333330.01040.03046.66.6304TF20.24250.24173464.8776792795551.488452165270.34861061572166162121122.5WETL
2022-06-22 08:00:02FORECAST2022265-1949.9946.7348.36110.436642666670.01960.03966.66.6396TF17.99247.99173464.7693975592951.3275718806580.27272385924273162121122.5WETL
2022-06-22 04:00:06FORECAST2022265-1954.1644.6449.4110.281100083330.01620.03626.66.6362TF22.16252.16173464.7167901742951.2494788476160.41871883669914162121122.5WETL
2022-06-22 00:00:02FORECAST2022265-2054.5245.7350.125111.528082666670.01790.03796.66.6379TF22.52238.52172464.6325032604451.8195722332510.43223348855337162121122.5WETL
2022-06-21 20:00:01FORECAST2022265-2054.1146.950.505112.545685333330.02310.04316.66.6431TF22.11251.11172464.9765164162252.331100703970.41684898713875162121122.5WETL
2022-06-21 16:00:01FORECAST2022265-2049.8341.2445.535113.143957333330.01470.03476.66.6347TF17.83246.83172465.178354991252.6321199495140.26765438688236162121122.5WETL
2022-06-21 12:00:02FORECAST2022265-2050.0741.1245.595111.717157333330.01530.03536.66.6353TF18.07247.07172464.6964895636251.9145708368270.27527631878671162121122.5WETL
2022-06-21 08:00:02FORECAST2022265-2050.7641.346.03111.485862666670.0160.0366.66.636TF18.76242.76172464.6182110476951.7983620692950.29776588104476162121122.5WETL
2022-06-21 04:00:06FORECAST2022265-2050.0341.6545.84110.886482833330.01460.03466.66.6346TF18.03242.03172464.4151450127551.4973620049960.27399862189689162121122.5WETL
2022-06-21 00:00:02FORECAST2022265-2050.6941.9146.3110.971722666670.01520.01526.66.6152TF18.69240.69172464.4440425803951.5401554874170.29544658450042162121122.5WETL
2022-06-20 20:00:02FORECAST2022265-2048.6741.9945.33112.072473333330.01520.02526.66.6252TF16.67247.67172464.816651851952.0931518195610.23237452391345161121122WETL
2022-06-20 16:00:02FORECAST2022265-2050.0441.7345.885111.994026666670.00770.01776.66.6177TF18.04249.04172464.7901317494352.0537184095490.27431777150133162121122.5WETL
2022-06-20 12:00:02FORECAST2022265-2050.242.1646.18111.098258666670.01590.03596.66.6359TF18.2249.2172464.4869286250951.6036889436760.2794489525127162121122.5WETL
2022-06-20 08:00:03FORECAST2022265-2051.0242.8546.935111.1085360.0150.0356.66.635TF19.02246.02172464.4904112513851.6088495801780.30645214369604162121122.5WETL
2022-06-20 04:00:07FORECAST2022265-2051.764347.38111.24769150.00630.02636.66.6263TF19.76250.76172464.5375572010951.678730853670.33176284824147162121122.5WETL
2022-06-20 00:00:02FORECAST2022265-2052.6944.4648.575112.411317333330.00240.02246.266.2824TF20.69250.69172464.9311425906352.2635222079040.36468195062162121122.5WETL
2022-06-19 20:00:02FORECAST2022265-2054.6445.1249.88112.379009333330.00750.02756.296.3175TF22.64253.64172464.9202304099752.2472749124970.43675687053435162121122.5WETL
2022-06-19 16:00:02FORECAST2022265-2053.9245.2249.57112.3249440.00580.02586.296.3158TF21.92253.92172464.9019675832752.2200874742810.40976104203612162121122.5WETL
2022-06-19 12:00:03FORECAST2022265-2057.2746.6451.955111.561906666670.01420.03426.296.3242TF25.27257.27172464.6439521737551.8365652256390.53693244458167163121123WETL
2022-06-19 08:00:02FORECAST2022265-2054.0347.3250.675111.696277333330.0180.0386.36.338TF22.03252.03172464.6894249014751.9040788776620.41386115299475162121122.5WETL
2022-06-19 04:00:07FORECAST2022265-2058.9247.6353.275110.990779416670.00080.02086.316.3308TF26.92259.92172464.4505022455751.5497232446980.59899562541324163121123WETL
2022-06-19 00:00:03FORECAST2022265-2057.345.7751.535112.523858666670.00020.02025.865.8802TF25.3256.3172464.9691469694652.3201225779520.5380737144034163121123WETL
2022-06-18 20:00:03FORECAST2022265-2056.4144.0450.225112.639642666670.00020.02026.036.0502TF24.41258.41172465.008235036852.3783614316030.50412356296915163121123WETL
2022-06-18 16:00:03FORECAST2022265-2057.2145.951.555112.460773333330.00060.02066.036.0506TF25.21259.21172464.9478448553952.2883941921040.53464900211478163121123WETL
2022-06-18 12:00:04FORECAST2022265-2057.4545.8751.66112.2477920.00020.02026.056.0702TF25.45259.45172464.875901926352.1812935452360.54377517609022163121123WETL
2022-06-18 08:00:04FORECAST2022265-2053.0544.9949.02112.7420880.00240.01246.066.0724TF21.05249.05172465.0428104566952.4298974602760.37771404248895162121122.5WETL
2022-06-18 04:00:07FORECAST2022265-2055.5744.9950.28112.121026916670.00080.01086.16.1108TF23.57257.57172464.8330634904152.1175604233650.47204904900315162121122.5WETL
2022-06-18 00:00:03FORECAST2022265-205240.7446.37113.842018666670.03470.06475.715.7747TF20239172465.4134720245752.9836091699390.34014686070858162121122.5WETL
2022-06-17 20:00:04FORECAST2022265-2052.1940.7246.455113.740393333330.04080.06085.986.0408TF20.19252.19172465.3792690819652.9324211145620.34684094029621162121122.5WETL
2022-06-17 16:00:03FORECAST2022265-2052.2240.7346.475113.970649333330.05370.08375.966.0437TF20.22251.22172465.4567512033253.0484081712260.34790234777364162121122.5WETL
2022-06-17 12:00:04FORECAST2022265-2049.7440.745.22113.9997320.00880.03886.126.1588TF17.74244.74172465.4665344212353.0630601789890.26482380230934162121122.5WETL
2022-06-17 08:00:03FORECAST2022265-2049.7340.6745.2114.3077240.00880.03886.326.3588TF17.73234.73172465.5700965653753.2182581008480.26451023364362162121122.5WETL
2022-06-17 04:00:07FORECAST2022265-2051.5941.3646.475114.082173333330.00210.04216.36.3421TF19.59239.59172465.4942632162753.1045972219110.32587440662803162121122.5WETL
2022-06-17 00:00:04FORECAST2022265-2051.6240.3946.005115.4500040.00350.02356.146.1635TF19.62231.62172465.9534809397353.7943312383050.32691044790882162121122.5WETL
2022-06-16 20:00:04FORECAST2022265-2052.2341.6546.94116.1375840.00320.01326.136.1432TF20.23241.23172466.183718252354.1414507379590.34825641563447162121122.5WETL
2022-06-16 16:00:03FORECAST2022265-2052.2341.6546.94116.2099080.00320.02326.146.1632TF20.23241.23172466.2079127007754.1779786438290.34825641563447162121122.5WETL
2022-06-16 12:00:04FORECAST2022265-2047.2237.342.26115.9711240.02190.05196.056.1019TF15.22234.22172466.1280157270454.0573899117550.19215567444602161121122WETL
2022-06-16 08:00:04FORECAST2022265-2048.3638.343.33115.814121333330.02350.05356.066.1135TF16.36231.36172466.0754563233253.9781194491180.22340341369291161121122WETL
2022-06-16 04:00:08FORECAST2022265-2048.3838.343.34115.612267666670.02350.05356.086.1335TF16.38232.38172466.0078514545753.8762244571340.22397619315852161121122WETL
2022-06-16 00:00:04FORECAST2022265-2049.9941.2745.63113.515186666670.01070.05076.16.1507TF17.99231.99172465.3034422343452.8190071018740.27272385924273162121122.5WETL
2022-06-15 20:00:04FORECAST2022265-2055.6542.5149.08114.7356573333300.046.036.07TF23.65247.65172465.7138544990953.4339852251930.47509923687337162121122.5WETL
2022-06-15 16:00:04FORECAST2022265-2055.6442.5149.075115.0463826666700.046.186.22TF23.64247.64172465.8181402439853.5906920155840.47471787988218162121122.5WETL
2022-06-15 12:00:04FORECAST2022265-2050.5542.7846.665114.3000186666700.025.996.01TF18.55245.55172465.5675066391553.2143746994480.29083307301901162121122.5WETL
2022-06-15 08:00:04FORECAST2022265-2045.143.1544.125114.4949053333300.016.096.1TF13.1237.1172465.6329966184953.3126058679110.14159592479233161121122WETL
2022-06-15 04:00:08FORECAST2022265-2044.4443.7644.1114.9059024166700.025.955.97TF12.44240.44172465.7710024072253.5198373511170.12788216614047161121122WETL