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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Sunday, March 15, 2020

[ Saturday, March 14, 2020 | Index | Today | Monday, March 16, 2020 ]

DAY 167 OF WATER YEAR 2020, FORECAST LAST UPDATED 03/15/2020 09:00:03 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): 36.69°F
MINIMUM TEMPERATURE (Tmin): 19.66°F
AVERAGE TEMPERATURE (Tavg): 28.18°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.513
Maximum Percentile on this day is based on 89 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: 6

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: 0.01 in
DAY 1-3 (P3): 0.51 in
DAY 4-15 (P15): 3.49 in
18-DAY TOTAL (P18): 4.00 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: 192 in
SWE DAY: 74
CALCULATED SNOW DENSITY: 441.23 kg/m3
CALCULATED SWE: 84.72 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: -118

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: 3
D4: 1
D5: 2
HSdry: 7.5

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
2020-03-15 09:00:03FORECAST2020167-11836.6919.6628.175192.943636511720.01420.51423.494.0042TF4.695.6975441.2266828116685.1318807076840.5132437286644893113127.5WETL
2020-03-15 05:00:00FORECAST2020167-11833.7319.0626.3950.0723747719756280.02150.52153.494.0115TF1.732.7375342.186964645520.0247657035392510.379916926597658921134224WETL
2020-03-15 01:00:03FORECAST2020167-11937.0220.7428.88192.958127438110.01050.51053.494.0005TF5.020.02000000000000374440.6359801067285.0242936032460.52829561549855893113127.5WETL
2020-03-14 21:00:03FORECAST2020167-11936.7819.5728.175192.956451532570.00990.50993.493.9999TF4.78-0.2274440.6353106638185.0234259656410.51735156570658893113127.5DRYL
2020-03-14 17:00:03FORECAST2020167-11936.5820.6528.615192.970921295760.01950.51953.494.0095TF4.58-0.4274440.6410905379385.0309172018750.50822117384738893113127.5WETL
2020-03-14 13:00:00FORECAST2020167-11936.2719.8928.08192.982612510120.02110.52113.494.0111TF4.27-0.7374440.6457603795585.0369700295540.49406228448922892113126WETL
2020-03-14 08:59:54FORECAST2020167-11936.6819.9928.335193.105561118650.00650.50653.493.9965TF4.68-0.3274440.6948615547385.1006285226310.51278720758573893113127.5DRYL
2020-03-14 05:00:02FORECAST2020167-11937.8719.3928.63193.232162604240.00650.53653.494.0265TF5.87-3.1374440.7454055339785.1661878692110.56682869347767893113127.5WETL
2020-03-14 01:00:03FORECAST2020167-11936.7418.6627.7193.500374313510.04610.58613.494.0761TF4.74-0.2674440.8524318576885.3051105814820.51552606178636893113127.5WETL
2020-03-13 21:00:05FORECAST2020167-11937.3618.1527.755191.258449029810.01990.53993.494.0299TF5.36-0.6474439.9555748685984.1452208913870.54376123388261893113127.5WETL
2020-03-13 17:00:02FORECAST2020167-11937.4418.3127.875191.202244098010.02010.53013.494.0201TF5.440.4474439.9330250296884.11618163850.54739146338935893113127.5WETL
2020-03-13 13:00:01FORECAST2020167-11936.7918.7927.79191.469629144520.00180.56183.494.0518TF4.79-0.2174440.04027314484.2543479075350.5178078863511893113127.5WETL
2020-03-13 09:00:02FORECAST2020167-11935.8818.1727.025193.193981000240.00950.57953.494.0695TF3.88-1.1274440.7301637420985.1464148802230.47626228532853892113126WETL
2020-03-13 05:00:02FORECAST2020167-11935.7718.2327193.275610699830.00910.57913.494.0691TF3.77-2.2374440.7627478693485.188689268180.47124878826929892113126WETL
2020-03-13 01:00:03FORECAST2020167-11935.8119.5527.68193.284590539260.02840.58843.494.0784TF3.81-1.1974440.7663319393985.1933399923970.47307139299619892113126WETL
2020-03-12 21:00:02FORECAST2020167-11934.7817.4126.095193.76179669650.06780.59783.494.0878TF2.78-7.2274440.9566788469285.4405583586990.42642627808048892113126WETL
2020-03-12 17:00:02FORECAST2020167-11934.7217.8226.27193.984052979690.06480.69483.494.1848TF2.72-3.2874441.0452532067385.5557457644970.42373416500616892113126WETL
2020-03-12 13:00:01FORECAST2020167-11933.7617.7825.77194.377642635180.02730.73733.494.2273TF1.76-7.2474441.2019853203585.7598018325340.38122535866894892113126WETL
2020-03-12 09:00:03FORECAST2020167-11927.9616.0822.02194.737697965180.07280.82283.494.3128TF-4.04-10.0474441.3452264971285.9465534159680.16690560838772891113124.5WETL
2020-03-12 05:00:01FORECAST2020167-11933.7414.5624.15194.857606241730.06360.81363.494.3036TF1.74-9.2674441.3929006579886.0087640343070.38035291879054892113126WETL
2020-03-12 01:00:01FORECAST2020167-11933.7716.0324.9194.520835721370.01410.76413.484.2441TF1.77-8.2374441.2589676608985.8340631589430.38166180531709892113126WETL
2020-03-11 21:00:03FORECAST2020167-1193413.9323.965194.323946482940.01280.78283.484.2628TF2-374441.1806120985185.7319576547390.3917405427679892113126WETL
2020-03-11 17:00:03FORECAST2020167-11933.4712.823.135194.985062740540.01240.92243.484.4024TF1.47-3.5374441.443559988586.0749002407670.36863616706234892113126WETL
2020-03-11 13:00:02FORECAST2020167-11933.0312.5922.81195.307325605060.01240.91243.484.3924TF1.03-8.9774441.5715746436586.2421633068680.34980545809493892113126WETL
2020-03-11 09:00:02FORECAST2020167-11935.3113.5624.435196.557979974560.00591.14593.484.6259TF3.31-8.6974442.0673892926586.8918730519910.45034163351064892114128WETL
2020-03-11 05:00:03FORECAST2020167-11936.1415.2125.675196.940089747030.00621.17623.544.7162TF4.14-5.8674442.2185606355487.0905630193640.48812588424393892114128WETL
2020-03-11 01:00:03FORECAST2020167-11936.1815.2525.715197.028958856830.00621.19623.594.7862TF4.18-5.8274442.2536982577887.1367857183120.48995224984995892114128WETL
2020-03-10 21:00:02FORECAST2020167-11932.6113.2422.925196.586373617190.00371.00373.624.6237TF0.61-5.3974442.0786275122786.9066342363030.33216803718061892114128WETL
2020-03-10 17:00:03FORECAST2020167-11933.6113.2523.43196.652516089870.01191.04193.64.6419TF1.61-4.3974442.10480359786.9410220027670.37469706446218892114128WETL
2020-03-10 12:59:15FORECAST2020167-11933.6513.2823.465197.278499285020.01191.05193.64.6519TF1.65-9.3574442.3523207131687.266601985540.37643452320025892114128WETL
2020-03-10 09:00:02FORECAST2020167-11937.6915.0826.385199.079687623840.0011.3613.624.981TF5.690.6974443.0623288164888.2047100186770.558709060915498931141210WETL
2020-03-10 05:00:03FORECAST2020167-11934.3814.6424.51199.154001405890.0011.3913.615.001TF2.38-2.6274443.0915527535788.2434557200230.40854956599336892114128WETL
2020-03-10 01:00:03FORECAST2020167-11930.6113.6922.15199.025226789160.02621.39623.625.0162TF-1.39-1.3974443.0409085593988.1763173029070.25368384620884892114128WETL
2020-03-09 21:00:02FORECAST2020167-11928.2711.6619.965200.292047256820.03951.32953.644.9695TF-3.73-6.7374443.5384015458688.8372144826390.17593960534302891114126WETL
2020-03-09 17:00:02FORECAST2020167-11932.1412.2122.175199.545854222340.03951.29953.654.9495TF0.14-1.8674443.2455578999288.4478134813960.31286391501339892114128WETL
2020-03-09 13:00:03FORECAST2020167-11932.1712.2422.205199.628984142240.03951.29953.664.9595TF0.170.1774443.278209737588.4911787022890.31408161221227892114128WETL
2020-03-09 09:00:03FORECAST2020167-11929.1911.6820.435194.777920238840.00620.71623.584.2962TF-2.81-0.8174441.3612200320385.9674205119150.204525174591891113124.5WETL
2020-03-09 05:00:02FORECAST2020167-11936.2815.6625.97194.179534907640.00590.72593.544.2659TF4.2819.2874441.1231160362685.657081508930.49451900189983892113126WETL
2020-03-09 01:00:03FORECAST2020167-11936.3215.6725.995194.127396746720.00590.72593.544.2659TF4.3220.3274441.1023525530885.6300513999840.49634593740097892113126WETL
2020-03-08 20:59:54FORECAST2020167-11933.3815.8824.63197.396753369350.021.273.494.76TF1.3814.3874442.3990348340587.3281331699770.36475694613575892114128WETL
2020-03-08 17:00:02FORECAST2020167-11931.4516.0623.755198.009528277190.01521.23523.514.7452TF-0.5510.4574442.6408757863487.6471110106560.28544031963145892114128WETL
2020-03-08 13:00:22FORECAST2020167-11927.8116.0921.95198.219832013470.00081.22083.534.7508TF-4.198.8174442.7237886372787.756635012050.16264343377124891114126WETL
2020-03-08 09:00:03FORECAST2020167-11923.2921.7722.53192.9218356219800.413.493.9TF-8.71-0.7174440.6214826504285.0055052473980.066548523766086891112123DRYL
2020-03-08 05:00:02FORECAST2020167-11922.9222.7722.845191.4312485836700.293.453.74TF-9.0810.9274440.0248831819384.2345127954010.061235517636959891112123DRYL
2020-03-08 00:00:03FORECAST2020167-11922.922.922.9191.4477876788900.293.453.74TF-9.115.974440.0315152660784.2430601066790.060958022564664891112123DRYL