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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Monday, February 14, 2022

[ Sunday, February 13, 2022 | Index | Today | Tuesday, February 15, 2022 ]

DAY 137 OF WATER YEAR 2022, FORECAST LAST UPDATED 02/15/2022 07:00:06 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:

DRY

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 36.97°F
MINIMUM TEMPERATURE (Tmin): 21.84°F
AVERAGE TEMPERATURE (Tavg): 29.41°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.644
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: 5
18-DAY CUMULATIVE DD32: 127

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: 0.36 in
DAY 1-3 (P3): 0.36 in
DAY 4-15 (P15): 2.39 in
18-DAY TOTAL (P18): 2.75 in

PRECIP THRESHOLD A (PA) EXCEEDED: False
P3 > (-0.67 * P15 + 2.5)

PRECIP THRESHOLD B (PB) EXCEEDED: False
P3 > (-0.67 * P15 + 4.5)
Snow at Paradise DEPTH: 106 in
SWE DAY: 45
CALCULATED SNOW DENSITY: 378.88 kg/m3
CALCULATED SWE: 40.14 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: -147

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 3
D1: 1
D2: 1
D3: 2
D4: 1
D5: 2
HSdry: 5.0

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
2022-02-15 07:00:06OBSERVATION2022137-14736.9699821.8400829.40503105.936467916670.360000000000010.360000000000012.392.75FF4.96998126.9699845378.88043504837 40.1372550517540.6437997453091316 3112125DRYL
2022-02-15 03:00:04OBSERVATION2022137-14736.9699821.8400829.40503105.936467916670.360000000000010.360000000000012.392.75FF4.96998126.9699845378.88043504837 40.1372550517540.6437997453091316 3112125DRYL
2022-02-14 11:00:01FORECAST2022137-14729.0825.7927.435105.267427107430.30610.30612.392.6961FF-2.92119.0845378.5079247342539.8445553765470.32174269169458162112124DRYL
2022-02-14 07:00:04FORECAST2022137-14730.8825.7728.325106.411898059330.4850.4852.392.875FF-1.12120.8845379.1447618143740.3455137439180.39237266671295162112124DRYL
2022-02-14 03:00:05FORECAST2022137-14734.8125.2930.05106.477036780660.51540.51542.392.9054FF2.81124.8145379.1809523890940.374064214060.55606909022863163113127.5DRYL
2022-02-13 23:00:01FORECAST2022137-14734.8625.6430.25107.060462770810.51560.52562.392.9156FF2.86123.8645379.5048325478640.6299629963340.5581495754485163113127.5DRYL
2022-02-13 19:00:01FORECAST2022137-14733.6626.3530.005107.041927474610.51660.52662.392.9166FF1.66122.6645379.4945503372640.6218281342090.5079070145106163113127.5DRYL
2022-02-13 15:00:02FORECAST2022137-14733.626.6630.13107.217624337660.55980.56982.392.9598FF1.6122.645379.5919963990640.6989520714950.5053848942901163113127.5DRYL
2022-02-13 11:00:02FORECAST2022137-14734.1526.5830.365106.537316252870.5770.5872.392.977FF2.15123.1545379.2144378681840.4004884948180.52848349753314163113127.5DRYL
2022-02-13 07:00:06FORECAST2022137-14734.2525.9430.095106.4534168190.59940.60942.392.9994FF2.25122.2545379.1678300112440.3637110525430.53267524563684163113127.5DRYL
2022-02-13 03:00:07FORECAST2022137-14734.3825.8930.135106.406975161730.59410.59412.392.9841FF2.38119.3845379.142026446840.3433561908940.5381190366893163113127.5DRYL
2022-02-12 23:00:02FORECAST2022137-14734.8126.1730.49107.512120824710.60040.60042.392.9904FF2.81121.8145379.7552343267440.8282906367520.55606909022863163113127.5DRYL
2022-02-12 19:00:02FORECAST2022137-14734.6226.9230.77106.899376639250.51710.51712.392.9071FF2.62121.6245379.415455965540.5592757300090.54814962760882163113127.5DRYL
2022-02-12 15:00:02FORECAST2022137-14734.5127.1430.825107.122744853190.55840.55842.392.9484FF2.51121.5145379.5393791639740.6573000759190.54355569596499163113127.5DRYL
2022-02-12 11:00:02FORECAST2022137-14734.4627.330.88106.247207114040.56740.56742.392.9574FF2.46121.4645379.0532340743140.2733474679410.54146558158401163113127.5DRYL
2022-02-12 07:00:06FORECAST2022137-14734.727.9131.305105.142464128660.38510.38512.392.7751FF2.7120.745378.4382773279939.789932998870.55148665978293163112125DRYL
2022-02-12 03:00:04FORECAST2022137-14734.7628.1731.465105.200643385290.41870.41872.392.8087FF2.76121.7645378.4707059563639.8153617690950.55398705876378163112125DRYL
2022-02-11 23:00:02FORECAST2022137-14734.6428.0231.33105.307220878670.41860.41862.392.8086FF2.64121.6445378.5300989262539.8619527368520.54898421402702163112125DRYL
2022-02-11 19:00:02FORECAST2022137-14734.6327.6231.125105.422714512870.46510.46512.392.8551FF2.63121.6345378.5944424889439.9124538266710.54856694765034163112125DRYL
2022-02-11 15:00:03FORECAST2022137-14734.8428.4131.625105.786881851370.50380.51382.392.9038FF2.84121.8445378.7972030590740.071774965640.55731757053244163113127.5DRYL
2022-02-11 11:00:02FORECAST2022137-14735.3126.9631.135105.120683892730.47790.48792.392.8779FF3.31122.3145378.4261359747839.7804142165510.57679507592748163112125DRYL
2022-02-11 07:00:05FORECAST2022137-14737.2826.0831.68104.944573582670.45850.45852.392.8485FF5.28118.2845378.3279389236439.703464224750.65590227381136163112125DRYL
2022-02-11 03:00:07FORECAST2022137-14737.8226.8132.315104.109285216180.27490.27492.392.6649FF5.82114.8245377.8615931813539.3389003767570.67660033705939163112125DRYL
2022-02-10 23:00:04FORECAST2022137-14735.9927.4131.7105.081082254860.35290.35292.42.7529FF3.99118.9945378.4040583922439.7631079854880.60463431241603163112125DRYL
2022-02-10 19:00:02FORECAST2022137-14736.5126.4131.46105.06137088690.37620.37622.42.7762FF4.51120.5145378.3930686413439.7544945255580.6255764422696163112125DRYL
2022-02-10 15:00:03FORECAST2022137-14738.0127.3432.675104.788677407360.34630.34632.42.7463FF6.01123.0145378.2409763781239.635371655930.68375907364094163112125DRYL
2022-02-10 11:00:03FORECAST2022137-14737.927.1232.51104.28876791350.35330.35332.42.7533FF5.9118.945377.961882759739.4171790712770.67962270869558163112125DRYL
2022-02-10 07:00:04FORECAST2022137-14737.9326.0732103.999457318120.36670.36672.42.7667FF5.93118.9345377.8002020753239.2910159905110.68075304986858163112125DRYL
2022-02-10 03:00:05FORECAST2022137-14738.2124.9331.57104.425481997880.44120.44122.42.8412FF6.21124.2145378.0382438419339.4768258268270.69122090118884163112125DRYL
2022-02-09 23:00:03FORECAST2022137-14737.4823.0630.27105.895696983820.60820.71822.393.1082FF5.48125.4845378.857752608740.1194057702220.66362692624266163113127.5DRYL
2022-02-09 19:00:02FORECAST2022137-14735.1818.9527.065107.42753787860.72410.83412.393.2241FF3.18122.1845379.708362921540.7911345405690.57142432823229163113127.5DRYL
2022-02-09 15:00:03FORECAST2022137-14735.0119.0127.01107.331701190750.7080.8682.393.258FF3.01123.0145379.6552431163340.7490431096630.56438118875558163113127.5DRYL
2022-02-09 11:00:03FORECAST2022137-14736.5419.9728.255104.885712239250.56850.57852.392.9685FF4.54120.5445378.2951087310339.677751915880.62677407195494163113127.5DRYL
2022-02-09 07:00:07FORECAST2022137-14733.5321.8227.675105.162235487340.56780.58782.412.9978FF1.53112.5345378.449298254639.7985742230670.50244215570415163113127.5DRYL
2022-02-09 03:00:06FORECAST2022137-14733.5321.8227.675104.886786533120.56780.58782.433.0178FF1.53128.5345378.2957079674939.6782211679810.50244215570415163113127.5DRYL
2022-02-08 23:00:03FORECAST2022137-14733.2718.8526.06109.295417505840.80760.80762.453.2576FF1.27132.2745380.741102624741.6132577729990.49151208880801162113126DRYL
2022-02-08 19:00:03FORECAST2022137-14733.2718.8626.065109.419142360010.80760.80762.423.2276FF1.27131.2745380.809336502941.6678310028310.49151208880801162113126DRYL
2022-02-08 15:00:02FORECAST2022137-14735.4717.0226.245110.792155903870.89070.89072.433.3207TF3.47133.4745381.5651116611142.2744213386350.58338558905775163113127.5DRYL
2022-02-08 11:00:04FORECAST2022137-14737.7825.7431.76102.760514562440.2520.2822.432.712FF5.78133.7845377.1064758317838.7516555013030.67508475702583163112125DRYL
2022-02-08 07:00:07FORECAST2022137-14737.7325.7431.735103.372047959210.2520.2822.472.752FF5.73127.7345377.4491670517339.0176933986350.67318620475534163112125DRYL
2022-02-08 03:00:06FORECAST2022137-14739.1127.8733.49102.461946109580.26380.29382.452.7438FF7.11140.1145376.9389704932938.6219004812830.72379921228365164112126DRYL
2022-02-07 23:00:03FORECAST2022137-14736.6619.5528.105112.521088742241.26431.35432.433.7843TF4.66126.6645382.5130610538543.0407860879080.631552253168111631141210DRYL
2022-02-07 19:00:03FORECAST2022137-14736.2619.7628.01111.6530178031.23411.35412.443.7941TF4.26135.2645382.0376304062242.6556543491620.615550074796451631141210DRYL
2022-02-07 15:00:02FORECAST2022137-14736.2520.6428.445110.948255742681.13111.25112.413.6611TF4.25130.2545381.6508700553142.3434983353120.615147357681571631141210DRYL
2022-02-07 11:00:03FORECAST2022137-14735.6920.2827.985102.690730174960.0760.2162.392.606FF3.69124.6945377.0673361933438.7213200788210.59240905125738163112125DRYL
2022-02-07 07:00:06FORECAST2022137-14734.3423.3728.855102.904763876180.0420.1722.422.592FF2.34112.3445377.1873582719138.814376040050.53644473667706163112125DRYL
2022-02-07 03:00:08FORECAST2022137-14734.3429.1531.745102.436362377750.02910.15912.442.5991FF2.34124.3445376.9246113871338.6107860811450.53644473667706163112125DRYL