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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Sunday, March 6, 2022

[ Saturday, March 5, 2022 | Index | Today | Monday, March 7, 2022 ]

DAY 157 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/07/2022 07:00:04 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): 35.03°F
MINIMUM TEMPERATURE (Tmin): 21.10°F
AVERAGE TEMPERATURE (Tavg): 28.06°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.511
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: 3
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: 0.00 in
DAY 1-3 (P3): 0.01 in
DAY 4-15 (P15): 6.28 in
18-DAY TOTAL (P18): 6.29 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: 122 in
SWE DAY: 65
CALCULATED SNOW DENSITY: 403.06 kg/m3
CALCULATED SWE: 49.20 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: -127

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: 1
D4: 1
D5: 2
HSdry: 2.5

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
2022-03-07 07:00:04OBSERVATION2022157-12735.0299421.0999228.06493122.076527500.016.286.29TF3.02994-223.9700665403.06261021019 49.2044838195470.5105143116177616 3111122.5WETL
2022-03-07 03:00:04OBSERVATION2022157-12735.0299421.0999228.06493122.076527500.016.286.29TF3.02994-223.9700665403.06261021019 49.2044838195470.5105143116177616 3111122.5WETL
2022-03-06 11:00:01FORECAST2022157-12738.3428.1433.24122.858368243570.00360.01366.286.2936TF6.34-220.6665403.449149070849.5671041240970.66875820329283163111122.5WETL
2022-03-06 07:00:05FORECAST2022157-12738.2420.7129.475122.932290411410.00440.01446.286.2944TF6.24-220.7665403.4856561835949.60141586280.66425214043904163111122.5WETL
2022-03-06 03:00:06FORECAST2022157-12738.6523.3230.985122.91931055550.0030.0136.286.293TF6.65-220.3565403.479246463749.595390798770.68257020643477163111122.5WETL
2022-03-05 23:00:01FORECAST2022157-12738.4922.3230.405123.857689059550.00040.01046.286.2904TF6.49-214.5165403.9420929015350.0313341406630.67547158508081163111122.5WETL
2022-03-05 19:00:01FORECAST2022157-12738.1221.429.76123.864615241270.00090.01096.286.2909TF6.12-214.8865403.945505076350.0345545647180.65881359809574163111122.5WETL
2022-03-05 15:00:01FORECAST2022157-12738.1522.1630.155123.861076411810.00070.01076.286.2907TF6.15-214.8565403.9437616838950.0329091320030.6601763826441163111122.5WETL
2022-03-05 11:00:02FORECAST2022157-12738.2421.9230.08123.79464942390.0010.0116.286.291TF6.24-214.7665403.9110337440750.002024820790.66425214043904163111122.5WETL
2022-03-05 07:00:05FORECAST2022157-12738.5221.6830.1123.807620557190.00210.02216.286.3021TF6.52-215.4865403.917424930950.0080552822840.67680753990471163111122.5WETL
2022-03-05 03:00:04FORECAST2022157-12738.4122.6130.51123.8532397210.0020.0226.286.302TF6.41-215.5965403.9399009087950.0292653801350.67189802913389163111122.5WETL
2022-03-04 23:00:02FORECAST2022157-12738.4521.1129.7800.0020.0326.286.312TF6.45-210.5565332.2340501299800.673686798727861631115212.5WETL
2022-03-04 19:00:02FORECAST2022157-12738.4221.4129.915000.036.286.31TF6.42-210.5865332.2340501299800.67234559304831631115212.5WETL
2022-03-04 15:00:02FORECAST2022157-12738.7320.6829.70500.00160.04166.286.3216TF6.73-210.2765332.2340501299800.686094726337131631115212.5WETL
2022-03-04 11:00:02FORECAST2022157-12738.8121.2430.02500.00160.04166.286.3216TF6.81-210.1965332.2340501299800.689602362915961631115212.5WETL
2022-03-04 07:00:06FORECAST2022157-12738.6521.1829.915NAN0.00210.05216.286.3321TF6.65-210.3565NANNAN0.682570206434771631115212.5WETL
2022-03-04 03:00:06FORECAST2022157-12738.9220.2729.595NAN0.00210.06216.286.3421TF6.92-209.0865NANNAN0.69439731658961631115212.5WETL
2022-03-03 23:00:02FORECAST2022157-12739.1222.3230.72123.109731178580.0010.0816.356.431TF7.12-183.8865403.5732588978649.683795413780.70303021383748164111123WETL
2022-03-03 19:00:02FORECAST2022157-12738.0322.0230.025123.187859993380.00050.08056.356.4305TF6.03-185.9765403.6118186673349.7200762096650.65471286728623163111122.5WETL
2022-03-03 15:00:03FORECAST2022157-12738.9121.6830.295123.1225618125400.086.356.43TF6.91-184.0965403.5795918662949.6897532458370.69396276872194163111122.5WETL
2022-03-03 11:00:03FORECAST2022157-12739.4521.4230.435123.4527246640900.086.356.43TF7.45-182.5565403.7424833006149.8431096261050.71702528033245164111123WETL
2022-03-03 07:00:05FORECAST2022157-12739.5921.3630.475123.1723689746800.074.154.22TF7.59-179.4165403.6041738234349.7128822179010.72286550146246164111123WETL
2022-03-03 03:00:06FORECAST2022157-12739.4820.930.19123.265299810850.00030.07034.174.2403TF7.48-178.5265403.6500308379949.7560420699020.71828171120407164111123WETL
2022-03-02 23:00:03FORECAST2022157-12740.4523.4231.935125.590907355690.00030.07034.34.3703TF8.45-171.5565404.7940914560450.8384572381840.75739507696402164111123WETL
2022-03-02 19:00:03FORECAST2022157-12740.3521.4130.88125.6197970689200.074.34.37TF8.35-173.6565404.8082610229350.8519316015230.7535031452831164111123WETL
2022-03-02 15:00:02FORECAST2022157-12741.3323.7232.525125.6106540757500.074.314.38TF9.33-170.6765404.8037767622750.8476671714420.79017012691146164111123WETL
2022-03-02 11:00:03FORECAST2022157-12737.3922.930.145126.497249578100.074.334.4TF5.39-178.6165405.2381310434251.2615090011640.62505215142352163111122.5WETL
2022-03-02 07:00:06FORECAST2022157-12737.4722.9630.215126.6070944558100.074.254.32TF5.47-177.5365405.2918773606651.3128269991720.62880469664002163111122.5WETL
2022-03-02 03:00:06FORECAST2022157-12744.8222.933.86126.4142506884300.084.224.3TF12.82-163.1865405.1975103299451.2227396491770.89247593560919165111123.5WETL
2022-03-01 23:00:03FORECAST2022157-12743.4623.0933.275130.0849143019200.084.334.41TF11.46-159.5465406.9858196209352.9427154674860.85793496077319165111123.5WETL
2022-03-01 19:00:03FORECAST2022157-12743.5722.6833.125130.2497324178900.14.294.39TF11.57-164.4365407.0657268270953.0202019957240.86097938946452165112127WETL
2022-03-01 15:00:03FORECAST2022157-12743.726.2734.985130.4460404015100.14.44.5TF11.7-159.365407.1608573281153.1125216449350.8645198651933165112127WETL
2022-03-01 11:00:04FORECAST2022157-12741.0122.2231.615131.490994058800.124.424.54TF9.01-169.9965407.6664425280653.6044657724310.7785633450318164112126WETL
2022-03-01 07:00:06FORECAST2022157-12741.3422.1631.75132.2011108291400.154.614.76TF9.34-173.6665408.0092568887553.9392769892670.7905269919457164112126WETL
2022-03-01 03:00:06FORECAST2022157-12741.9921.7631.875131.8085817741800.124.694.81TF9.99-168.0165407.8198368861153.7541543193340.81295053856277164112126WETL
2022-02-28 23:00:03FORECAST2022157-12740.8723.6932.282.79538512672070.00020.34026.166.5002TF8.87-170.1365334.11367147430.933976387873290.773372361590881641124224WETM
2022-02-28 19:00:03FORECAST2022157-12740.923.1632.033.98396936516380.00020.47026.046.5102TT8.9-176.165334.908842529961.33426656876180.774490452097511641124224WETH
2022-02-28 15:00:03FORECAST2022157-12740.9423.2532.0954.07733553673020.00020.53026.236.7602TT8.94-174.0665334.971203508131.3657899918450.775976379667571641134236WETH
2022-02-28 11:00:03FORECAST2022157-12732.7723.2928.035.82543829501410.17220.65226.296.9422TT0.77-186.2365336.136066940221.9581399166890.3998813236741621134224WETL
2022-02-28 07:00:05FORECAST2022157-12732.7223.4128.065NAN0.11780.60787.488.0878TT0.72-185.2865NANNAN0.397489951200581621135230WETL
2022-02-28 03:00:05FORECAST2022157-12732.7523.4628.105NAN0.11780.53788.448.9778TT0.75-184.2565NANNAN0.398924318689561621135230WETL
2022-02-27 23:00:02FORECAST2022157-12735.4821.7528.6154.85634669087270.02160.501610.0110.5116TT3.48-146.5265335.490943278691.62926033220920.532725215176551631134230WETL
2022-02-27 19:00:02FORECAST2022157-12735.3722.3528.865.22857786489330.14220.54229.9410.4822TT3.37-146.6365335.738925182231.75543711259090.52730335113521631134230WETL
2022-02-27 15:00:03FORECAST2022157-12735.4322.3728.96.25858181680090.10780.53789.910.4378TT3.43-145.5765336.423897211662.10553648582620.530261423252751631134230WETL
2022-02-27 11:00:03FORECAST2022157-1272822.0525.0258.26137823816950.02050.440510.0210.4605TT-4-15465337.75067546512.79028608021440.19912716348351161112329WETL
2022-02-27 07:00:06FORECAST2022157-12723.4122.1222.765NAN0.01190.43199.9510.3819TT-8.59-155.5965NANNAN0.0786593101615281611125215WETL
2022-02-27 03:00:07FORECAST2022157-12720.5620.1520.355NAN00.489.9710.45TT-11.44-163.4465NANNAN0.0384960114836771611125215WETL