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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Monday, February 7, 2022

[ Sunday, February 6, 2022 | Index | Today | Tuesday, February 8, 2022 ]

DAY 130 OF WATER YEAR 2022, FORECAST LAST UPDATED 02/08/2022 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:

DRY

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 44.21°F
MINIMUM TEMPERATURE (Tmin): 26.90°F
AVERAGE TEMPERATURE (Tavg): 35.56°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.907
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: 12
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: 0.05 in
DAY 1-3 (P3): 0.20 in
DAY 4-15 (P15): 2.19 in
18-DAY TOTAL (P18): 2.39 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: 108 in
SWE DAY: 38
CALCULATED SNOW DENSITY: 374.41 kg/m3
CALCULATED SWE: 40.60 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: -154

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 5
D1: 1
D2: 1
D3: 2
D4: 1
D5: 2
HSdry: 7.0

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
2022-02-08 07:00:04OBSERVATION2022130-15444.2099426.9000635.555108.446305416670.0500000000000680.200000000000072.192.3900000000001FF12.20994153.2099438374.40566292629 40.6029108714340.9068059551320216 5112127DRYL
2022-02-08 03:00:04OBSERVATION2022130-15444.2099426.9000635.555108.446305416670.0500000000000680.200000000000072.192.3900000000001FF12.20994153.2099438374.40566292629 40.6029108714340.9068059551320216 5112127DRYL
2022-02-07 11:00:01FORECAST2022130-15435.1427.2331.185108.955848286750.02480.17482.192.3648FF3.14144.1438374.6947308871840.8251822523890.54366440479635163112125DRYL
2022-02-07 07:00:04FORECAST2022130-15432.9927.0130109.290178364620.03370.18372.192.3737FF0.99141.9938374.8841959859740.9711606453840.4295902148321162112124DRYL
2022-02-07 03:00:06FORECAST2022130-15434.2128.0431.125109.261353573020.05110.20112.192.3911FF2.21143.2138374.8678672926840.9585705914310.49421070916947162112124DRYL
2022-02-06 23:00:02FORECAST2022130-15439.8328.2434.035110.886217014360.05840.20842.192.3984FF7.83147.8338375.7864581732141.6695387520510.76912211875137164112126DRYL
2022-02-06 19:00:01FORECAST2022130-15440.4228.2534.335110.810587218930.05710.20712.192.3971FF8.42148.4238375.7437861343141.6363895854070.79239649174269164112126DRYL
2022-02-06 15:00:01FORECAST2022130-15440.4128.7134.56110.733748780020.06440.21442.192.4044FF8.41148.4138375.700423755841.6027163407240.79201390788471164112126DRYL
2022-02-06 11:00:03FORECAST2022130-15440.7928.5434.665109.811677899950.06220.21222.192.4022FF8.79148.7938375.1794091227841.1990804292850.80625832459822164112126DRYL
2022-02-06 07:00:05FORECAST2022130-15440.5828.2634.42109.863722393830.04970.19972.192.3897FF8.58148.5838375.2088492831441.2218408573520.79846119820947164112126DRYL
2022-02-06 03:00:06FORECAST2022130-15440.6828.3434.51109.876406304630.05150.20152.192.3915FF8.68145.6838375.2160236380941.2273882652660.80219725614495164112126DRYL
2022-02-05 23:00:03FORECAST2022130-15440.2128.9434.575108.53010058550.07020.08022.192.2702FF8.21151.2138374.4532263385240.6394463190860.78427537824107164111123DRYL
2022-02-05 19:00:03FORECAST2022130-15439.9928.9434.465108.577350940860.08540.09542.192.2854FF7.99150.9938374.4800418955740.6600509292440.77557362056216164112126DRYL
2022-02-05 15:00:03FORECAST2022130-15440.8229.335.06108.530354291280.04710.05712.192.2471FF8.82151.8238374.4533703304140.6395569475220.80735702334673164111123DRYL
2022-02-05 11:00:03FORECAST2022130-15440.6529.0534.85108.272464455980.05040.06042.192.2504FF8.65151.6538374.3069558610740.5271365740940.80108084745074164111123DRYL
2022-02-05 07:00:10FORECAST2022130-15440.5927.9634.275108.743640224860.02490.03492.192.2249FF8.59150.5938374.5743889252240.7325825867320.79883669169826164111123DRYL
2022-02-05 03:00:05FORECAST2022130-15440.8628.2534.555108.656323275540.03450.05452.192.2445FF8.86151.8638374.5248531501740.6944935186090.80881603082225164111123DRYL
2022-02-04 23:00:02FORECAST2022130-15440.8628.0434.45107.366034570370.05160.09162.12.1916FF8.86153.8638373.7915774023440.1325194214920.80881603082225164112126DRYL
2022-02-04 19:00:03FORECAST2022130-15440.3827.4333.905107.527261490230.03430.07432.12.1743FF8.38152.3838373.8833346821640.2026510952090.79086366665454164111123DRYL
2022-02-04 15:00:02FORECAST2022130-15440.3927.2333.81107.703995267560.08080.12082.12.2208FF8.39151.3938373.9838740452940.2795574003170.7912474951085164112126DRYL
2022-02-04 11:00:03FORECAST2022130-15440.0727.2433.655109.282384945020.12520.17522.12.2752FF8.07152.0738374.879781280740.9677565660210.77876067803669164112126DRYL
2022-02-04 07:00:06FORECAST2022130-15440.1126.9833.545109.676155095180.09390.14392.182.3239FF8.11151.1138375.1027292792141.139825113050.78034446587724164112126DRYL
2022-02-04 03:00:08FORECAST2022130-15437.3626.9832.17109.887823829630.09710.14712.212.3571FF5.36147.3638375.2224814941141.232381943340.65766777265301163112125DRYL
2022-02-03 23:00:03FORECAST2022130-15437.6526.1931.92108.589008961740.04980.09981.751.8498FF5.65155.6538374.4866575693440.665135014850.67177903585968163112125DRYL
2022-02-03 19:00:02FORECAST2022130-15435.5526.5931.07108.807170371620.05110.11111.741.8511FF3.55149.5538374.6104233062440.7603001516680.56529847806731163112125DRYL
2022-02-03 15:00:02FORECAST2022130-15435.0326.5930.81108.77355900040.05110.10111.731.8311FF3.03151.0338374.5913596176140.7456353564070.53783531258542163112125DRYL
2022-02-03 11:00:03FORECAST2022130-15435.427.1531.275109.213846107370.10730.15731.751.9073FF3.4150.438374.8409526127140.9378221133840.55740272914147163112125DRYL
2022-02-03 07:00:07FORECAST2022130-15436.1127.932.005109.704743471970.09990.14991.882.0299FF4.11145.1138375.1189069991441.1523234638240.59452210025685163112125DRYL
2022-02-03 03:00:08FORECAST2022130-15436.127.9132.005110.067002563240.09990.14992.032.1799FF4.1150.138375.3238020886141.3107658865330.59400433542276163112125DRYL
2022-02-02 23:00:03FORECAST2022130-15436.5228.5932.555111.039603876790.07310.12312.412.5331FF4.52155.5238375.8729773382541.7367865116280.61559825097157163112125DRYL
2022-02-02 19:00:03FORECAST2022130-15436.3528.632.475110.962864517560.08580.13582.372.5058FF4.35152.3538375.8296960631641.7031396459320.60689687583503163112125DRYL
2022-02-02 15:00:04FORECAST2022130-15438.1328.7433.435110.987871255970.07440.12442.42.5244FF6.13155.1338375.8438008803641.7141033844630.69459862608724163112125DRYL
2022-02-02 11:00:02FORECAST2022130-15439.5427.6533.595111.968024641410.02330.06332.392.4533FF7.54156.5438376.3959420963942.1443101195750.7571695392407164111123DRYL
2022-02-02 07:00:04FORECAST2022130-15439.3327.5933.46108.550968925640.02330.06332.292.3533FF7.33159.3338374.4650699513540.6485461720280.74830978668997164111123DRYL
2022-02-02 03:00:06FORECAST2022130-15439.0829.0234.05109.221659453990.01480.06482.212.2748FF7.08152.0838374.8453793764340.9412343741560.73754427830053164111123DRYL
2022-02-01 23:00:03FORECAST2022130-15440.433035.215107.698500968800.062.192.25FF8.43160.4338373.9807491577740.2771660754810.79277866027395164111123DRYL
2022-02-01 19:00:03FORECAST2022130-15441.8230.0735.945107.3269079270600.052.132.18FF9.82160.8238373.7693040253840.1155036790910.84178152477268164111123DRYL
2022-02-01 15:00:04FORECAST2022130-15441.7930.0735.93107.3238359541300.072.192.26FF9.79163.7938373.7675551690440.1141677759380.84081130184025164111123DRYL
2022-02-01 11:00:03FORECAST2022130-15441.6429.3935.515107.849812290380.0270.1072.242.347FF9.64165.6438374.0667916774640.343033266480.83590201477356164112126DRYL
2022-02-01 07:00:07FORECAST2022130-15442.8131.337.055108.137212674010.02680.12682.142.2668FF10.81157.8138374.2301296169640.4682031154130.87162907722101165112127DRYL
2022-02-01 03:00:06FORECAST2022130-15442.8731.3337.1107.223916042040.02680.19681.982.1768FF10.87163.8738373.7106639027240.0707208503210.8733034882373165112127DRYL
2022-01-31 23:00:02FORECAST2022130-15435.3828.0731.72599.4101830490080.03560.21561.781.9956FF3.38158.3838369.2167571407336.7039054121210.55634816725133163112125DRYL
2022-01-31 19:00:02FORECAST2022130-15436.6823.329.9999.7986463533220.06480.21481.822.0348FF4.68155.6838369.4422868800336.8698401363020.62373501183455163112125DRYL
2022-01-31 15:00:03FORECAST2022130-15436.7432.3534.54599.6634152069780.02440.14441.671.8144FF4.74163.7438369.3638011213536.8120578735850.62677239743772163112125DRYL
2022-01-31 11:00:03FORECAST2022130-15435.6731.3933.53102.3181397554100.171.671.84FF3.67153.6738370.8996369011737.9497608836840.57159653646648163112125DRYL
2022-01-31 07:00:06FORECAST2022130-15436.1433.8735.005104.2079103979400.091.821.91FF4.14152.1438371.9866317170538.7639495872030.59607439943232163111122.5DRYL
2022-01-31 03:00:05FORECAST2022130-15434.5734.1634.365106.4058314586500.132.022.15FF2.57147.5738373.2443287308239.715373135830.5133853267069163112125DRYL