MOUNT RAINIER
GEOLOGY & WEATHER
Hello guest! [ Log In ]
MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Sunday, March 13, 2022

[ Saturday, March 12, 2022 | Index | Today | Monday, March 14, 2022 ]

DAY 164 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/14/2022 12:00:01 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): 27.59°F
MINIMUM TEMPERATURE (Tmin): 27.59°F
AVERAGE TEMPERATURE (Tavg): 27.59°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.168
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: -4
18-DAY CUMULATIVE DD32: -153

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): 0.33 in
DAY 4-15 (P15): 4.18 in
18-DAY TOTAL (P18): 4.51 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: 127 in
SWE DAY: 72
CALCULATED SNOW DENSITY: 410.57 kg/m3
CALCULATED SWE: 52.17 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: -120

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 1
D1: 1
D2: 1
D3: 2
D4: 1
D5: 2
HSdry: 3.0

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
2022-03-14 00:00:01FORECAST2022164-12027.5927.5927.59127.073780924430.01770.32774.184.5077TF-4.41-153.4172410.5699024025252.1726698320630.16817424653254161112123WETL
2022-03-13 12:00:01FORECAST2022164-12033.9928.3631.175126.795464021580.26670.57674.184.7567TF1.99-147.0172410.4374272663152.0416040420540.42173677186245162113126WETL
2022-03-13 08:00:02FORECAST2022164-12029.7726.2628.015127.050519164870.30480.61484.184.7948TF-2.23-151.2372410.558833701252.1617129694620.24161252012943161113124.5WETL
2022-03-13 04:00:05FORECAST2022164-12034.1826.430.29126.774810528750.34870.65874.184.8387TF2.18-146.8272410.4275927458252.0318803061230.43062762772079162113126WETL
2022-03-12 23:00:01FORECAST2022164-12034.124.1529.125128.096474045530.56460.90464.185.0846TF2.1-146.972411.0558871759352.6548097828950.42687955093545162113126WETL
2022-03-12 19:00:01FORECAST2022164-12034.2624.1929.225128.459159732740.65760.99764.185.1776TF2.26-146.7472411.2279327587852.8259947008250.43438196343984162114128WETL
2022-03-12 15:00:02FORECAST2022164-12033.6527.1930.42128.446575301650.65270.99274.185.1727TF1.65-147.3572411.2219657925352.8200531948640.40592879209737162114128WETL
2022-03-12 11:00:02FORECAST2022164-12033.6727.2930.48128.963730145240.64660.98664.185.1666TF1.67-147.3372411.4670200908353.0643217426580.40685470719163162113126WETL
2022-03-12 07:00:06FORECAST2022164-12033.3827.1930.285129.930673884050.76171.20174.185.3817TF1.38-149.6272411.9243445726853.5216076795730.3934824170215162114128WETL
2022-03-12 03:00:06FORECAST2022164-12032.9526.7129.83130.070909163140.70961.19964.185.3796TF0.95-154.0572411.9905768598753.587988898810.37388793451406162114128WETL
2022-03-11 23:00:03FORECAST2022164-12032.8926.7329.81130.559451498980.84411.28414.185.4641TF0.89-144.1172412.2211283294553.8193644109840.37117825952302162114128WETL
2022-03-11 19:00:01FORECAST2022164-12032.7426.8129.775130.98307137740.90471.37474.185.5547TF0.74-144.2672412.4208103248754.0201444363080.3644322036747162114128WETL
2022-03-11 15:00:02FORECAST2022164-12032.5126.229.355130.833336060160.90441.33444.185.5144TF0.51-144.4972412.3502540337853.9491593604940.35416991782091162114128WETL
2022-03-11 11:00:02FORECAST2022164-12032.4726.2529.36130.558244578570.89181.28184.185.4618TF0.47-144.5372412.2205591155453.8187925773230.35239568306369162114128WETL
2022-03-11 07:00:07FORECAST2022164-12032.226.0129.105131.454670974030.93011.43014.185.6101TF0.2-149.872412.6428559622254.2438308602980.34050512776631162114128WETL
2022-03-11 03:00:05FORECAST2022164-12031.8226.0428.93132.315416724571.04781.55784.185.7378TF-0.18-148.1872413.0474401517354.6525441706910.324037475922591621151210WETL
2022-03-10 23:00:03FORECAST2022164-12028.3726.1427.255131.875802449480.97441.49444.165.6544TF-3.63-146.6372412.8409147547654.443726917260.1926250322624161114126WETL
2022-03-10 19:00:03FORECAST2022164-12031.2424.6827.96132.797561053261.01191.61194.165.7719TF-0.76-144.7672413.273680649154.8817368377020.299561240214761621151210WETL
2022-03-10 15:00:03FORECAST2022164-12029.1826.4227.8133.163320442641.11751.67754.165.8375TF-2.82-149.8272413.4451241757455.0557255560590.22018843496822161115127.5WETL
2022-03-10 11:00:02FORECAST2022164-12029.5526.9428.245132.265075469111.00041.55044.165.7104TF-2.45-145.4572413.0238021372654.6286243602250.23349445309916161115127.5WETL
2022-03-10 07:00:05FORECAST2022164-12030.3627.0528.705132.851722901751.13961.66964.165.8296TF-1.64-148.6472413.2990781470354.9074946055390.264118862075941621151210WETL
2022-03-10 03:00:06FORECAST2022164-12030.4625.1727.815133.248945771761.19391.69394.165.8539TF-1.54-145.5472413.485236597655.0964718688170.268036520268761621151210WETL
2022-03-09 23:00:03FORECAST2022164-12033.2527.6330.44127.91757855230.73531.28534.085.3653TF1.25-142.7572410.9709669366552.5704109458330.38752746172505162114128WETL
2022-03-09 19:00:03FORECAST2022164-12034.0328.6231.325126.116628689310.50070.91074.084.9907TF2.03-137.9772410.1139176487351.7221846724210.4236053779111162113126WETL
2022-03-09 15:00:02FORECAST2022164-12034.1228.7331.425126.528676386950.47950.92954.095.0195TF2.12-137.8872410.3103519667351.9160257422150.4278159652511162113126WETL
2022-03-09 11:00:03FORECAST2022164-12033.4527.9430.695127.25702252670.70441.18444.095.2744TF1.45-141.5572410.6570718499352.2589962431530.39669937731152162114128WETL
2022-03-09 07:00:07FORECAST2022164-12031.6227.6329.625128.393945617460.77881.28884.15.3888TF-0.38-147.3872411.1970091172652.7952064266620.3155040225017162114128WETL
2022-03-09 03:00:06FORECAST2022164-12031.3627.6729.515128.548167696520.77881.34884.115.4588TF-0.64-148.6472411.2701308520452.8680217493390.30455638732927162114128WETL
2022-03-08 23:00:03FORECAST2022164-12033.5224.7829.15126.178999582910.29981.09983.945.0398TF1.52-142.4872410.143664752251.7515173037030.39992338211888162114128WETL
2022-03-08 19:00:03FORECAST2022164-12033.6726.5330.1127.024118537730.40681.37683.975.3468TF1.67-142.3372410.5462706323152.1492781460230.40685470719163162114128WETL
2022-03-08 15:00:03FORECAST2022164-12033.8226.5830.2127.380026232330.40681.37684.025.3968TF1.82-142.1872410.7155629102952.3169591775380.41381532684411162114128WETL
2022-03-08 11:00:03FORECAST2022164-12030.4625.1927.825128.244334655430.65571.12574.055.1757TF-1.54-142.5472411.12604628752.7245862655950.26803652026876162114128WETL
2022-03-08 07:00:06FORECAST2022164-12030.0725.8427.955128.9073926060.71540.98544.135.1154TF-1.93-146.9372411.4403401166553.0377014573620.25292475611474162113126WETL
2022-03-08 03:00:07FORECAST2022164-12030.1225.8928.005128.881631017110.71540.96544.165.1254TF-1.88-140.8872411.4281388348253.0255295793650.25483682564907162113126WETL
2022-03-07 23:00:03FORECAST2022164-12033.5328.3430.935129.177819389890.67640.93644.185.1164TF1.53-131.4772411.568372302853.1655048639230.40038451707489162113126WETL
2022-03-07 19:00:03FORECAST2022164-12033.8928.2731.08127.439271986440.54770.69774.094.7877TF1.89-128.1172410.7437290941152.3448818087470.41707304722804162113126WETL
2022-03-07 15:00:04FORECAST2022164-12033.6428.3631125.723378594820.54770.69774.134.8277TF1.64-129.3672409.9262528269851.5373134801210.40546603141807162113126WETL
2022-03-07 11:00:04FORECAST2022164-12035.7627.4731.615125.319401905310.46790.78794.164.9479TF3.76-126.2472409.7332738252351.3475288164820.50550170354722163113127.5WETL
2022-03-07 07:00:06FORECAST2022164-12035.7527.531.625125.24324032990.46790.78794.164.9479TF3.75-127.2572409.6968693753851.3117634735890.50502562096537163113127.5WETL
2022-03-07 03:00:07FORECAST2022164-12034.8827.2431.06125.305643139780.48370.65374.24.8537TF2.88-132.1272409.7266977979851.3410673791160.46365339029115162113126WETL
2022-03-06 23:00:03FORECAST2022164-12029.426.0327.715136.488363859131.40361.83364.186.0136TT-2.6-136.672414.9963982219956.642179400750.22804717136479161115127.5WETL
2022-03-06 19:00:03FORECAST2022164-12033.5526.129.825136.667583026681.39041.82044.296.1104TT1.55-132.4572415.079640045456.7279311685880.401307202981131621151210WETL
2022-03-06 15:00:02FORECAST2022164-12031.0527.5429.295137.438528130871.56442.11444.286.3944TT-0.95-132.9572415.4372886893257.097089488140.291729096418021621151210WETL
2022-03-06 11:00:03FORECAST2022164-12029.9526.8328.39130.425250631580.77951.70954.376.0795TT-2.05-138.0572412.1578251462653.7557876444670.24836673155161115127.5WETL
2022-03-06 07:00:07FORECAST2022164-12027.6426.7927.215131.448240595680.4041.4944.455.944TF-4.36-145.3672412.6398301027554.2407796667050.16967914273947161114126WETL
2022-03-06 03:00:08FORECAST2022164-12031.0529.530.275128.954483510680.14321.27324.655.9232TF-0.95-137.9572411.4626413902253.0599524044170.29172909641802162114128WETL