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MORA Debris Flow Hazard - View Day

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

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

DAY 59 OF WATER YEAR 2023, FORECAST LAST UPDATED 11/29/2022 07:00:09 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): 21.29°F
MINIMUM TEMPERATURE (Tmin): 14.76°F
AVERAGE TEMPERATURE (Tavg): 18.02°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.060
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: -11
18-DAY CUMULATIVE DD32: 138

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: 0.41 in
DAY 1-3 (P3): 1.61 in
DAY 4-15 (P15): 1.81 in
18-DAY TOTAL (P18): 3.42 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: 44 in
SWE DAY: 34
CALCULATED SNOW DENSITY: 374.73 kg/m3
CALCULATED SWE: 14.00 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: 139

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 1
D1: 4
D2: 1
D3: 5
D4: 1
D5: 2
HSdry: 15.0

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
2022-11-29 07:00:09OBSERVATION20235913921.2914.7599618.02498114.998129583330.410000000000081.61000000000011.813.4200000000001TF-10.71138.2934374.72762769026 43.092976287580.0597651604878116 14151215DRYL
2022-11-29 03:00:10OBSERVATION20235913921.2914.7599618.02498114.998129583330.410000000000081.61000000000011.813.4200000000001TF-10.71138.2934374.72762769026 43.092976287580.0597651604878116 14151215DRYL
2022-11-28 11:00:01FORECAST20235913931.4910.4820.98534.2784433961450.05831.25831.813.0683FF-0.51148.4934323.9426476853411.1042497122790.339774325703531624141214DRYL
2022-11-28 07:00:08FORECAST20235913926.5510.5218.53534.0876858923910.08591.28591.813.0959FF-5.45143.5534323.8098765940611.0379293621920.166882985918981614141212DRYL
2022-11-28 03:00:19FORECAST20235913926.2710.718.48534.60603874770.19061.39061.813.2006TF-5.73143.2734324.1705106447611.2182572522340.159153803049441614141212DRYL
2022-11-27 23:00:02FORECAST20235913921.579.2915.4329.8639427818720.32140.88141.812.6914FF-10.43136.5734320.853523490129.58195126687080.0635931722359911614132218DRYL
2022-11-27 19:00:02FORECAST20235913925.69.2917.44529.8417331539120.31790.87791.812.6879FF-6.4140.634320.837894177399.57435882370460.141623487404641614132218DRYL
2022-11-27 15:00:02FORECAST20235913925.158.4516.829.8121581145410.32330.88331.812.6933FF-6.85140.1534320.817080323999.56424952446440.130610118917271614132218DRYL
2022-11-27 11:00:02FORECAST20235913925.338.2916.8132.6351914226930.37750.93751.812.7475FF-6.67140.3334322.7967984036110.5345353065340.13494247100256161413129DRYL
2022-11-27 07:00:06FORECAST20235913926.989.1618.0733.3340728102120.29960.98961.812.7996FF-5.02139.9834323.2847170573610.7763962968190.17921484564121161413129DRYL
2022-11-27 03:00:13FORECAST20235913926.868.8417.8534.4348661139740.29851.33851.813.1485TF-5.14146.8634324.0514730751911.158669089380.175717217399341614141212DRYL
2022-11-26 23:00:03FORECAST20235913927.598.2617.92534.1980464452870.32481.92481.813.7348TF-4.41155.5934323.8866976198911.0762923282160.197662375672261614151215DRYL
2022-11-26 19:00:02FORECAST20235913927.289.1318.20533.5628191715230.23631.78631.813.5963TF-4.72155.2834323.4442265208210.8557000867910.188148389658081614151215DRYL
2022-11-26 15:00:03FORECAST20235913924.958.7816.86534.2468220951850.2641.9541.813.764TF-7.05153.9534323.9206430664311.0932526360540.125909968974621614151215DRYL
2022-11-26 11:00:07FORECAST20235913924.878.9916.9334.9924312408420.3341.8941.813.704TF-7.13153.8734324.4390270876211.3529103472090.124063243394221614151215DRYL
2022-11-26 07:00:17FORECAST20235913925.488.9117.19534.6606719497810.30721.89721.813.7072TF-6.52156.4834324.2084929943411.2372842190090.138627051120731614151215DRYL
2022-11-26 03:00:31FORECAST20235913925.398.3716.8835.6157205709420.29881.95881.813.7688TF-6.61147.3934324.8716156487211.5705366843750.13640818511121614151215DRYL
2022-11-25 23:00:03FORECAST20235913925.5711.6118.5936.7777348167220.40082.180824.1808TF-6.43137.5734325.676275276811.9776356882280.140870308167851614151215WETL
2022-11-25 19:00:03FORECAST20235913927.89.5818.6936.4725596534930.31582.075824.0758TF-4.2135.834325.4651806370511.870548215920.204269165244791614151215WETL
2022-11-25 15:00:03FORECAST20235913926.179.817.98534.5605591263940.27352.033524.0335TF-5.83147.1734324.1388880699711.2024212063060.15645098883391614151215WETL
2022-11-25 11:00:04FORECAST20235913920.0910.0815.08538.3264709522710.2882.06824.068TF-11.91128.0934326.7450426528312.5229843860320.0453591901193951614151215WETL
2022-11-25 07:00:29FORECAST20235913926.69.217.937.2217297856260.2762.0562.024.076TF-5.4148.634325.9831017819612.1336549292080.168288197213771614151215WETL
2022-11-25 03:00:28FORECAST202359139259.4117.20537.7413652722060.27042.14042.054.1904TF-714134326.3417611183812.3165836099440.127073831266781614151215WETL
2022-11-24 23:00:04FORECAST20235913927.8510.7119.2837.9890116530710.3382.2482.054.298TF-4.15147.8534326.5125234603612.4038880586090.20586133803481614151215WETL
2022-11-24 19:00:03FORECAST20235913927.9510.0819.01540.0103631421010.53322.44322.154.5932TF-4.05147.9534327.902319118913.1194908630840.20906764068121614151215WETL
2022-11-24 15:00:04FORECAST20235913924.6310.2217.42540.0464997704870.3342.3442.14.444TF-7.37137.6334327.9271002684713.1323325456380.118636739233531614151215WETL
2022-11-24 11:00:03FORECAST20235913925.119.417.25537.5140730694320.39222.24222.134.3722TF-6.89144.1134326.1849392558112.2365256453910.129660543011461614151215WETL
2022-11-24 07:00:30FORECAST20235913920.649.1114.87538.5790690271230.7212.6212.194.811TF-11.36136.6434326.9189596337112.6122291099840.0515727617471861614151215WETL
2022-11-24 03:00:36FORECAST20235913920.659.4215.03542.0095488459940.7212.7212.164.881TF-11.35136.6534329.2698737851413.8324788462910.0516916858222941614151215WETL
2022-11-23 23:00:06FORECAST20235913931.1710.5120.8437.9921313989060.30122.30122.084.3812TF-0.83144.1734326.5146739681212.4049883970680.326743159362241624151217.5WETL
2022-11-23 19:00:04FORECAST20235913926.0110.5618.28533.9922963877750.1272.2871.994.277TF-5.99146.0134323.7434594327311.0047836266410.152189554318121614151215WETL
2022-11-23 15:00:09FORECAST20235913925.8511.2918.5736.6449501916690.11152.36151.974.3315TF-6.15147.8534325.5844460938711.9310258102920.148005697528111614151215WETL
2022-11-23 11:00:04FORECAST20235913930.1714.7522.4643.7082848246160.92633.27631.995.2663TT-1.83148.1734330.426459196814.4423737921630.287418070000551624151217.5WETL
2022-11-23 07:00:36FORECAST20235913926.3114.4820.39540.4791301544820.92632.90632.014.9163TF-5.69150.3134328.2236054640213.2862060453510.160243419784141614151215WETL
2022-11-23 03:00:10FORECAST20235913926.2114.8420.52540.8081753690990.94772.81772.014.8277TF-5.79150.2134328.4489000500113.4034003130280.157528475505471614151215WETL
2022-11-22 23:00:04FORECAST20235913928.9716.5322.7531.3965921395920.4531.6531.493.143TF-3.03145.9734321.929949270810.1075033147750.243409557062911614151215DRYL
2022-11-22 19:00:19FORECAST20235913929.0416.8122.92531.6538459476180.36731.65731.53.1573TF-2.96149.0434322.1102160090110.1960271557030.245872975734671614151215DRYL
2022-11-22 15:00:04FORECAST20235913929.0416.8822.9634.7127870852650.36731.84731.643.4873TF-2.96150.0434324.2447198102911.2554379222960.245872975734671614151215DRYL
2022-11-22 11:00:05FORECAST20235913927.617.0422.3231.1981896789090.06471.11471.682.7947FF-4.4137.634321.7908412542110.0392917023840.197974032111121614141212DRYL
2022-11-22 07:00:25FORECAST20235913928.1517.0322.5930.3689309779360.06471.11471.832.9447FF-3.85144.1534321.208654892249.75476346993820.215567591873481614142224DRYL
2022-11-22 03:00:13FORECAST20235913933.117.0925.09530.229961247590.01480.84481.912.7548FF1.1139.134321.110970279839.70717218773550.407982810694621624132221DRYL
2022-11-21 23:00:07FORECAST20235913934.1517.4125.7828.85590849909500.581.922.5FF2.15149.1534320.143262840489.23802469912650.454173471702141624132221DRYL
2022-11-21 19:00:10FORECAST20235913934.0918.8326.4629.3096064027040.1080.4782.032.508FF2.09139.0934320.463163308989.39264918315170.451511041109341624122214DRYL
2022-11-21 15:00:05FORECAST20235913934.1219.4826.828.6189292544650.10730.47731.832.3073FF2.12147.1234319.976023154799.1573711697920.452841991407771624122214DRYL
2022-11-21 11:00:06FORECAST20235913922.817.6220.2132.2907308271010.00681.20681.682.8868FF-9.2129.834322.5559970566410.4155688776230.0826952264587941614141212DRYL
2022-11-21 07:00:15FORECAST20235913919.2717.6318.4534.0674699500180.00341.20341.762.9634FF-12.73116.2734323.7958021177611.0309037585890.0372248470841481614141212DRYL
2022-11-21 03:00:11FORECAST20235913918.8817.518.1934.3690991197180.0021.2921.843.132TF-13.12119.8834324.0057233600711.1357848215180.0337960587003341614141212DRYL