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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Monday, March 28, 2022

[ Sunday, March 27, 2022 | Index | Today | Tuesday, March 29, 2022 ]

DAY 179 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/29/2022 04:00:04 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): 42.00°F
MINIMUM TEMPERATURE (Tmin): 34.67°F
AVERAGE TEMPERATURE (Tavg): 38.34°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.699
Maximum Percentile on this day is based on 17 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: 10
18-DAY CUMULATIVE DD32: 4

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): 0.06 in
DAY 4-15 (P15): 4.79 in
18-DAY TOTAL (P18): 4.85 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: 135 in
SWE DAY: 86
CALCULATED SNOW DENSITY: 423.74 kg/m3
CALCULATED SWE: 57.14 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: -106

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 4
D1: 1
D2: 1
D3: 1
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
2022-03-29 04:00:04OBSERVATION2022179-10642.0000834.6699438.33501134.8373287500.064.794.85TF10.000084.0000886423.74375135522 57.1364755072430.69924571911817 4111123WETL
2022-03-29 00:00:01FORECAST2022179-10533.6933.6933.69136.992356788210.00050.06054.774.8305TF1.69-0.3187425.3513706925758.2698867342710.33307765286444162111122WETL
2022-03-28 12:00:02FORECAST2022179-10545.1334.0639.595136.535398122250.03620.09624.774.8662TF13.1311.1387425.1509815394258.048158526550.81097635279504164112126WETL
2022-03-28 08:00:01FORECAST2022179-10541.8234.8738.345136.445734666670.04670.10674.774.8767TF9.827.8287425.111634303258.0046692578470.69201334887544163112125WETL
2022-03-28 04:00:05FORECAST2022179-10541.6634.6438.15136.426358883410.03620.09624.774.8662TF9.667.6687425.1031304027357.9952722307820.68552419359381163112125WETL
2022-03-28 00:00:03FORECAST2022179-10643.3633.4238.39137.27984150080.04040.09044.794.8804TF11.36-9.6486424.8208689901958.3193415612060.75121345101946174112126WETL
2022-03-27 20:00:02FORECAST2022179-10643.0935.0539.07138.217638839160.05070.15074.794.9407TF11.096.0986425.2326537556658.7746533594160.74128862310195174112126WETL
2022-03-27 16:00:01FORECAST2022179-10643.4535.0139.23138.234022828640.05340.15344.794.9434TF11.456.4586425.239839215358.7826136417340.75447616815736174112126WETL
2022-03-27 12:00:02FORECAST2022179-10642.5935.0138.8137.322024763460.09130.19134.794.9813TF10.595.5986424.8394126445558.3398083436710.7223834093134174112126WETL
2022-03-27 08:00:02FORECAST2022179-10638.534.8436.67137.317953055360.08880.21884.795.0088TF6.5-2.586424.8376228187258.3378327463730.54798061563533173112125WETL
2022-03-27 04:00:05FORECAST2022179-10640.9534.2537.6137.816944778050.15810.33814.795.1281TF8.95-2.0586425.0568298756458.5800336505040.65605549255917173112125WETL
2022-03-27 00:00:03FORECAST2022179-10641.2534.0737.66138.213224376190.14640.31644.795.1064TF9.25-4.7586425.2307176714458.772508593170.66863606248481173112125WETL
2022-03-26 20:00:02FORECAST2022179-10640.9633.0136.985139.30726486980.14150.41154.795.2015TF8.96-2.0486425.7098758603159.3044784341630.65647773544013173112125WETL
2022-03-26 16:00:02FORECAST2022179-10638.7333.6136.17139.285915322260.12710.29714.795.0871TF6.73-3.2786425.7005381067759.294089103380.55841641695978173112125WETL
2022-03-26 12:00:03FORECAST2022179-10641.6233.7737.695138.629979726720.09220.24224.795.0322TF9.62-0.3886425.4134015157158.9750512275990.68389281039929173112125WETL
2022-03-26 08:00:02FORECAST2022179-10641.1333.5537.34138.884532850030.13830.34834.795.1383TF9.13-4.8786425.5248892558259.0988254603550.66362564357121173112125WETL
2022-03-26 04:00:05FORECAST2022179-10641.4432.8837.16138.948655261610.17130.44134.795.2313TF9.44-0.5686425.5529618634559.1300117935220.6765076031371173112125WETL
2022-03-26 00:00:02FORECAST2022179-10641.4433.2337.335140.626205250260.17640.43644.795.2264TF9.44-10.5686426.2857662838959.9469496647020.6765076031371173112125WETL
2022-03-25 20:00:02FORECAST2022179-10643.9933.8238.905140.487476395170.13160.37164.795.1616TF11.990.9900000000000186426.2252836991159.8793144827050.77356148897644174112126WETL
2022-03-25 16:00:02FORECAST2022179-10642.8832.2537.565140.693413731660.15630.41634.795.2063TF10.88-0.1286426.3150599708459.9797211125130.73343019178881174112126WETL
2022-03-25 12:00:03FORECAST2022179-10640.1533.7936.97140.174957278920.18210.43214.795.2221TF8.151.1586426.0889544555159.7270009878210.62168651484399173112125WETL
2022-03-25 08:00:02FORECAST2022179-10640.2333.6836.955139.978935225140.16830.38834.85.1883TF8.23-4.7786426.0033891207859.6315008114290.62517236958862173112125WETL
2022-03-25 04:00:06FORECAST2022179-10643.3733.7138.54139.382711059050.1480.4084.85.208TF11.372.3786425.7428700640959.3411954435930.75157710983148174112126WETL
2022-03-25 00:00:02FORECAST2022179-10642.6432.437.5200.23280.64284.85.4428TF10.64-10.3686352.6103659753100.724303857882691741135245WETM
2022-03-24 20:00:03FORECAST2022179-10637.5531.2734.410.436331981683490.31760.68764.795.4776TF5.55-7.4586352.882065776070.153973731060640.50460382322071731134230WETM
2022-03-24 16:00:03FORECAST2022179-10637.6531.2134.430.243301911133450.34170.95174.795.7417TF5.65-12.3586352.761904915270.0858276456409610.509181319933041731134230WETM
2022-03-24 12:00:03FORECAST2022179-10636.430.2733.3350.174879752881660.16940.94944.795.7394TF4.4-10.686352.719298104070.0616834636890330.452070452791681721134224WETM
2022-03-24 08:00:02FORECAST2022179-10638.8330.2634.54500.16120.87124.85.6712TF6.83-5.1786352.6103659753100.562941539054531731135237.5WETM
2022-03-24 04:00:06FORECAST2022179-10639.3831.0535.215NAN0.16170.91174.85.7117TF7.38-5.6286NANNAN0.587667366711411731135237.5WETM
2022-03-24 00:00:03FORECAST2022179-10642.4233.0437.7300.11430.80434.85.6043TF10.4218.4286352.6103659753100.715805477912321741135245WETM
2022-03-23 20:00:03FORECAST2022179-10641.5533.437.47500.10.754.915.66TF9.5542.5586352.6103659753100.681029278584881731135237.5WETM
2022-03-23 16:00:03FORECAST2022179-10638.2833.5335.90500.05150.75154.945.6915TF6.2838.2886352.6103659753100.537967327516841731135237.5WETM
2022-03-23 12:00:03FORECAST2022179-10638.332.635.4500.2991.0894.956.039TF6.338.386352.6103659753100.538878718365771731145250WETM
2022-03-23 08:00:04FORECAST2022179-10638.0630.6934.37500.36451.27454.966.2345TT6.0631.0686352.6103659753100.52792991671561731145250WETH
2022-03-23 04:00:06FORECAST2022179-10636.9830.7233.85NAN0.3691.1694.966.129TF4.9834.9886NANNAN0.478518547063451721145240WETM
2022-03-23 00:00:03FORECAST2022179-10638.8828.6933.785148.513593369920.35220.86224.995.8522TF6.8882.8886429.6896692904363.8147568202550.56520105424322173113127.5WETL
2022-03-22 20:00:04FORECAST2022179-10638.0630.8934.475149.628224002860.20320.73324.995.7232TF6.0681.0686430.1652264471164.364858861070.5279299167156173113127.5WETL
2022-03-22 16:00:04FORECAST2022179-10638.0830.9734.525149.464067136250.20320.74325.065.8032TF6.0890.0886430.0952734346664.283788823620.52884323865313173113127.5WETL
2022-03-22 12:00:03FORECAST2022179-10634.9429.8632.4149.157673061740.11740.52745.025.5474TF2.9487.9486429.9646300955664.1325237239030.38668104190962172113126WETL
2022-03-22 08:00:03FORECAST2022179-10634.328.4931.395150.509962870160.17450.644555.6445TF2.376.386430.5404676958464.8006298070040.35889041996007172113126WETL
2022-03-22 04:00:07FORECAST2022179-10634.328.5331.415149.926473963740.17450.70455.075.7745TF2.387.386430.2922466283664.5121993109260.35889041996007172113126WETL
2022-03-22 00:00:03FORECAST2022179-10641.9728.9235.445145.194026121210.11860.74864.265.0086TF9.9782.9786428.2653739304562.1815738892670.69804298209829173113127.5WETL
2022-03-21 20:00:03FORECAST2022179-10639.6227.9133.765146.743494096820.17880.86884.515.3788TF7.6282.6286428.9316841773262.9429340650130.59835472064498173113127.5WETL
2022-03-21 16:00:03FORECAST2022179-10635.628.0331.815147.074937792170.1330.7434.425.163TF3.677.686429.0738731636363.1060132037860.41596029366306172113126WETL
2022-03-21 12:00:04FORECAST2022179-10631.2627.6929.475148.626349491970.05630.55634.515.0663TF-0.7459.2686429.7378379235763.8703660891540.23875190334776171113124.5WETL
2022-03-21 08:00:03FORECAST2022179-10625.9923.4724.73146.784242582690.01240.42244.735.1524TF-6.0171.9986428.9491716880262.9629792726980.094149468362811171112123WETL
2022-03-21 04:00:06FORECAST2022179-10625.1124.4524.78149.029523435990.02090.58095.25.7809TF-6.8969.1186429.9099582269964.0692761949540.078266763525199171113124.5WETL