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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Friday, March 11, 2022

[ Thursday, March 10, 2022 | Index | Today | Saturday, March 12, 2022 ]

DAY 162 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/12/2022 07:00:05 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): 33.88°F
MINIMUM TEMPERATURE (Tmin): 22.98°F
AVERAGE TEMPERATURE (Tavg): 28.43°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.418
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: 2
18-DAY CUMULATIVE DD32: -224

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: 0.06 in
DAY 1-3 (P3): 0.24 in
DAY 4-15 (P15): 5.19 in
18-DAY TOTAL (P18): 5.43 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: 126 in
SWE DAY: 70
CALCULATED SNOW DENSITY: 408.63 kg/m3
CALCULATED SWE: 51.49 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: -122

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: 1
D3: 2
D4: 1
D5: 2
HSdry: 4.0

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
2022-03-12 07:00:05OBSERVATION2022162-12233.8799222.9800228.42997126.005325416670.0599999999999450.239999999999955.195.4299999999999TF1.87992-224.1200870408.62780475735 51.4892795127480.4181069628849516 2112124WETL
2022-03-12 03:00:05OBSERVATION2022162-12233.8799222.9800228.42997126.005325416670.0599999999999450.239999999999955.195.4299999999999TF1.87992-224.1200870408.62780475735 51.4892795127480.4181069628849516 2112124WETL
2022-03-11 11:00:01FORECAST2022162-12239.5230.4935.005125.778053333330.02020.20025.195.3902TF7.52-218.4870408.5185118477951.3826631708460.68334575742908163112125WETL
2022-03-11 07:00:06FORECAST2022162-12236.352832.175126.023918862040.03810.21815.195.4081TF4.35-221.6570408.6367433707251.4980037905970.53694356164136163112125WETL
2022-03-11 03:00:04FORECAST2022162-12239.1424.131.62126.086720250850.04770.22775.195.4177TF7.14-218.8670408.6669313911651.5274730540910.66676650966469163112125WETL
2022-03-10 23:00:02FORECAST2022162-12239.1825.6332.405125.803768799470.04950.20955.195.3995TF7.18-213.8270408.5308813282651.3947245420650.66852783910175163112125WETL
2022-03-10 19:00:02FORECAST2022162-12239.0826.7232.9125.793633333330.03570.19575.195.3857TF7.08-213.9270408.5260061310151.3899706223760.66411762038309163112125WETL
2022-03-10 15:00:01FORECAST2022162-12234.6325.4330.03125.923029333330.05350.21355.195.4035TF2.63-218.3770408.588236666751.4506685110350.45390626560098162112124WETL
2022-03-10 11:00:01FORECAST2022162-12238.4626.4532.455125.846975205510.05370.21375.195.4037TF6.46-214.5470408.5516623638851.4149909236780.63628873237482163112125WETL
2022-03-10 07:00:05FORECAST2022162-12238.9126.1632.535125.718128386870.0380.1985.195.388TF6.91-219.0970408.4896840180551.3545585400920.65656843783098163112125WETL
2022-03-10 03:00:05FORECAST2022162-12239.0225.9332.475125.702271792570.03570.19575.195.3857TF7.02-213.9870408.4820552219851.3471223278990.66146055869845163112125WETL
2022-03-09 23:00:03FORECAST2022162-12239.125.9132.505122.81877532570.03370.11375.195.3037TF7.1-209.970407.0896500267449.9982522640520.66500149719466163112125WETL
2022-03-09 19:00:02FORECAST2022162-12238.8726.432.635122.827325381890.020.15.195.29TF6.87-210.1370407.0937938373450.0022418766090.65478291174084163112125WETL
2022-03-09 15:00:02FORECAST2022162-12238.9224.2531.585122.849910256050.02830.11835.195.3083TF6.92-210.0870407.1047392321550.0127806794820.65701427615174163112125WETL
2022-03-09 11:00:03FORECAST2022162-12238.9325.5632.245123.256579586730.03660.12665.195.3166TF6.93-210.0770407.3017175569550.2026165658720.65745989609514163112125WETL
2022-03-09 07:00:06FORECAST2022162-12238.2326.2332.23123.62622026410.05310.15315.195.3431TF6.23-211.7770407.4805838868550.3752844169390.6257699080667163112125WETL
2022-03-09 03:00:05FORECAST2022162-12238.4926.6832.585123.724492021870.05960.16965.195.3596TF6.49-212.5170407.5281085961450.4212082206930.63765340815409163112125WETL
2022-03-08 23:00:02FORECAST2022162-12238.0427.2432.64121.611456434750.05880.19884.995.1888TF6.04-210.9670406.5036148132549.4354966434290.6170088889752163112125WETL
2022-03-08 19:00:02FORECAST2022162-12238.4727.733.085121.792125405690.03830.20834.995.1983TF6.47-210.5370406.591426308849.5196339818810.63674381735608163112125WETL
2022-03-08 15:00:03FORECAST2022162-12238.3228.0533.185122.057838535990.03920.25924.995.2492TF6.32-210.6870406.7204990754849.6434250054340.62989762238105163112125WETL
2022-03-08 11:00:02FORECAST2022162-12238.3627.4332.895123.392741198010.07410.32414.995.3141TF6.36-209.6470407.3676246691750.2662078832510.63172740475047163112125WETL
2022-03-08 07:00:06FORECAST2022162-12238.6626.9232.79124.052913298020.0850.2955.115.405TF6.66-211.3470407.686848713250.5747412961610.64535312485825163112125WETL
2022-03-08 03:00:06FORECAST2022162-12239.0625.6432.35124.074954571870.02710.21715.165.3771TF7.06-210.9470407.6974974671150.5850484772960.66323283551666163112125WETL
2022-03-07 23:00:02FORECAST2022162-12240.3926.7733.58124.830419032980.01070.20075.185.3807TF8.39-204.6170408.0621232456650.9385658362430.71990613094413164112126WETL
2022-03-07 19:00:03FORECAST2022162-12240.4624.432.43124.316572697770.0270.1475.165.307TF8.46-203.5470407.814190840950.6980625028550.72275668813571164112126WETL
2022-03-07 15:00:03FORECAST2022162-12240.4827.133.79124.4230342690.02710.20715.145.3471TF8.48-204.5270407.8655854498550.7478737155720.72356852192515164112126WETL
2022-03-07 11:00:04FORECAST2022162-12240.7526.2733.51124.541966940710.00570.18575.175.3557TF8.75-203.2570407.9229840832950.8035307980580.73441290632828164112126WETL
2022-03-07 07:00:06FORECAST2022162-12241.8425.9833.91124.438550285870.00550.17555.185.3555TF9.84-204.1670407.8730746883150.7551341148560.77589235957661164112126WETL
2022-03-07 03:00:06FORECAST2022162-12237.2226.0631.64124.731374401750.00550.16555.235.3955TF5.22-208.7870408.0143590846750.8921917842810.57856209175437163112125WETL
2022-03-06 23:00:03FORECAST2022162-12238.0226.1632.09125.742056471810.00620.12625.255.3762TF6.02-204.9870408.5011955225951.3657803962050.61608309774623163112125WETL
2022-03-06 19:00:03FORECAST2022162-12238.0625.8631.96126.189234354480.01180.12185.375.4918TF6.06-203.9470408.7161985849951.5755841677130.61793401250833163112125WETL
2022-03-06 15:00:02FORECAST2022162-12239.724.932.3126.185373020130.02680.19685.35.4968TF7.7-200.370408.7143431010451.5737718428830.69107502833705163112125WETL
2022-03-06 11:00:03FORECAST2022162-12236.6823.4330.055126.537492075330.02610.20615.385.5861TF4.68-204.3270408.8834717788151.7390890699460.55280290483703163112125WETL
2022-03-06 07:00:06FORECAST2022162-12236.7721.1828.975127.13037802170.10120.33125.415.7412TF4.77-209.2370409.1679032758152.0176702178020.55711464856937163112125WETL
2022-03-06 03:00:08FORECAST2022162-12236.7921.1828.985127.549914394230.10120.31125.635.9412TF4.79-205.2170409.3689133036752.2149698475410.55807191445091163112125WETL
2022-03-05 23:00:03FORECAST2022162-12241.0323.6532.34129.599543046660.09270.52275.76.2227TF9.03-193.9770410.3478663915453.1808959745150.7454267225321164113129WETL
2022-03-05 19:00:02FORECAST2022162-12241.7424.0932.915128.398893646570.00250.38255.615.9925TF9.74-194.2670409.775025086952.6146598651530.77224675241663164112126WETL
2022-03-05 15:00:02FORECAST2022162-12241.5824.1532.865128.495835860810.00250.39255.716.1025TF9.58-195.4270409.821342003452.6603358943260.7663450655703164112126WETL
2022-03-05 11:00:03FORECAST2022162-12234.5623.0628.81130.337171869510.15910.76915.676.4391TT2.56-199.4470410.6989308189153.5293371327670.45054480820573162113126WETL
2022-03-05 07:00:06FORECAST2022162-12237.1926.0831.635127.417346019560.49580.89585.346.2358TF5.19-193.8170409.3054197346452.1526102940110.57713876149748163113127.5WETL
2022-03-05 03:00:05FORECAST2022162-12237.4425.9831.71126.273156786220.49580.89585.216.1058TF5.44-190.5670408.7565212694251.6149762976420.58896734688949163113127.5WETL
2022-03-04 23:00:04FORECAST2022162-12239.8220.9330.3753.10352672716570.05290.37295.235.6029TF7.82-189.1870339.280793636721.05296701106560.696181584999451631124220WETL
2022-03-04 19:00:03FORECAST2022162-12237.6823.3930.5354.2581365019860.050.45.285.68TF5.68-188.3270340.038137389161.44792880488410.600247339349171631124220WETL
2022-03-04 15:00:03FORECAST2022162-12237.7123.4430.5754.14181925867410.03710.38715.275.6571TF5.71-186.2970339.961941930121.40806091830240.601651682537291631124220WETL
2022-03-04 11:00:03FORECAST2022162-12236.3328.5932.463.237323665961800.315.295.6TF4.33-177.6770339.368668947561.09864622346990.53598024113341631124220WETM
2022-03-04 07:00:06FORECAST2022162-12230.2829.2129.745NAN00.275.15.37TF-1.72-189.7270NANNAN0.260041793423211621125220WETL
2022-03-04 03:00:08FORECAST2022162-12230.6129.9630.285NAN00.275.115.38TF-1.39-181.3970NANNAN0.273187255014541621125220WETL