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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Tuesday, February 27, 2024

[ Monday, February 26, 2024 | Index | Today | Wednesday, February 28, 2024 ]

DAY 150 OF WATER YEAR 2024, FORECAST LAST UPDATED 02/28/2024 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): 27.75°F
MINIMUM TEMPERATURE (Tmin): 10.08°F
AVERAGE TEMPERATURE (Tavg): 18.91°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.267
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: -4
18-DAY CUMULATIVE DD32: 1

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: 0.45 in
DAY 1-3 (P3): 2.86 in
DAY 4-15 (P15): 3.98 in
18-DAY TOTAL (P18): 6.84 in

PRECIP THRESHOLD A (PA) EXCEEDED: True
P3 > (-0.67 * P15 + 2.5)

PRECIP THRESHOLD B (PB) EXCEEDED: True
P3 > (-0.67 * P15 + 4.5)
Snow at Paradise DEPTH: 130 in
SWE DAY: 58
CALCULATED SNOW DENSITY: 401.92 kg/m3
CALCULATED SWE: 52.34 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: -135

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 2
D1: 1
D2: 1
D3: 5
D4: 1
D5: 2
HSdry: 10.0

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
2024-02-28 07:00:04OBSERVATION2024150-13527.7500210.0799618.91499130.237600416670.450000000000052.863.986.84TT-4.249980.7500258401.91537996258 52.3444946568790.2665026614099516 21151210WETL
2024-02-28 03:00:05OBSERVATION2024150-13527.7500210.0799618.91499130.237600416670.450000000000052.863.986.84TT-4.249980.7500258401.91537996258 52.3444946568790.2665026614099516 21151210WETL
2024-02-27 11:00:02FORECAST2024150-13524.92610.54417.735128.575060508280.641732633.051732633.987.03173263TT-7.074-2.07458401.0860161342651.5696587934860.17705492027595161115127.5WETL
2024-02-27 07:00:06FORECAST2024150-13525.23211.22818.23128.643754400090.6271656933.0371656933.987.017165693TT-6.768-1.76858401.1203537315551.6016282703210.1857188009293161115127.5WETL
2024-02-27 03:00:06FORECAST2024150-13524.99810.52617.762128.651098319450.6094491483.0194491483.986.999449148TT-7.002-2.00258401.124024337351.605046293310.17907020780738161115127.5WETL
2024-02-26 23:00:01FORECAST2024150-13525.5210.59818.059115.578992308760.5929137063.1629137063.987.142913706TT-6.48-3.4858394.4807639725945.593689185140.19410842025171161115127.5WETL
2024-02-26 19:00:01FORECAST2024150-13525.0349.53617.285115.510384398480.5751971613.1451971613.987.125197161TT-6.966-3.96658394.4453122152145.5625296381560.18008322910201161115127.5WETL
2024-02-26 15:00:01FORECAST2024150-13526.04210.95818.5115.247043453530.5318900513.1018900513.987.081890051TT-5.958-2.95858394.3091786990645.4429670516550.20989002797119161115127.5WETL
2024-02-26 11:00:02FORECAST2024150-13525.55612.72219.139119.308520472960.5720475533.1420475533.987.122047553TT-6.444-3.44458396.3986562675647.2937371967520.19517308299013161115127.5WETL
2024-02-26 07:00:05FORECAST2024150-13525.1611.15618.158118.818785478670.5248034333.1348034333.987.114803433TT-6.84-3.8458396.14784736747.0698060941360.18365699368493161115127.5WETL
2024-02-26 03:00:07FORECAST2024150-13526.09611.55218.824118.646256392520.4933073533.0733073533.987.053307353TT-5.904-3.90458396.0594153810346.9909669439690.21156448449215161115127.5WETL
2024-02-25 23:00:03FORECAST2024150-13526.3312.48819.409113.210246976230.4822837252.9322837253.986.912283725TT-5.67-2.6758393.2531798771144.5202896180770.21891009496918161115127.5WETL
2024-02-25 19:00:03FORECAST2024150-13525.50211.73218.617112.718702725990.4637797782.8337797783.986.813779778TT-6.498-4.49858392.9975141700344.2981699717860.19357741531825161115127.5WETL
2024-02-25 15:00:02FORECAST2024150-13524.96210.88617.924113.009127852580.5153546092.8853546093.986.865354609TT-7.038-5.03858393.1486108618644.4293816299510.17806077076465161115127.5WETL
2024-02-25 11:00:04FORECAST2024150-13524.56610.23817.402118.513745107090.4122049472.7522049473.986.732204947TT-7.434-5.43458395.9914687124646.9304319875730.16719410094631161115127.5WETL
2024-02-25 07:00:06FORECAST2024150-13525.95211.31818.635117.284080395210.3539371992.6539371993.986.633937199TT-6.048-2.04858395.3598521649546.3694166863510.20711660913247161115127.5WETL
2024-02-25 03:00:08FORECAST2024150-13525.05211.46218.257117.593130993140.3460631792.6960631793.986.676063179TT-6.948-2.94858395.5187814685946.5102918794820.180591083093161115127.5WETL
2024-02-24 23:00:02FORECAST2024150-13524.089.5916.835118.918763804840.3460631792.6860631794.036.716063179TT-7.92-4.9258396.1990748022647.1155041961070.15445371606714161115127.5WETL
2024-02-24 19:00:03FORECAST2024150-13523.39610.59816.997118.815627306240.2649607732.6449607734.036.674960773TT-8.604-4.60458396.1462289535847.0683626981210.13763577288279161115127.5WETL
2024-02-24 15:00:03FORECAST2024150-13523.93610.05816.997118.619838403370.2570867532.6170867534.036.647086753TT-8.064-5.06458396.0458710817846.9788972280420.1508050751092161115127.5WETL
2024-02-24 11:00:04FORECAST2024150-13523.8111.04817.429118.495639994780.2586615572.5486615574.036.578661557TT-8.19-4.1958395.982183334346.9221622407290.1476598358761161115127.5WETL
2024-02-24 07:00:09FORECAST2024150-13524.76412.48818.626119.239278579630.3775592592.7675592594.026.787559259TT-7.236-2.23658396.3632142212347.2620637192430.17257303266842161115127.5WETL
2024-02-24 03:00:05FORECAST2024150-13525.14212.23618.689119.164322912070.456693162.736693164.016.74669316TT-6.858-1.85858396.3248405046447.2277812719710.18314377375336161115127.5WETL
2024-02-23 23:00:04FORECAST2024150-13526.27613.13619.706123.137754944030.5476380912.7876380913.976.757638091TT-5.724-4.72458398.3490096387649.0518027310930.21720207736523161115127.5WETL
2024-02-23 19:00:04FORECAST2024150-13525.68215.45820.57122.79452331730.452756152.732756153.986.71275615TT-6.318-1.31858398.1749635663448.8937048480140.19892720259213161115127.5WETL
2024-02-23 15:00:03FORECAST2024150-13525.46615.31420.39125.512900218791.0145674773.2645674773.977.234567477TT-6.534-1.53458399.5492505336950.1485852147270.19251806083697161115127.5WETL
2024-02-23 11:00:05FORECAST2024150-13525.84413.51419.679126.984076925841.2129927813.5129927813.977.482992781TT-6.156-3.15658400.2890622788850.8303370769940.20381722857607161115127.5WETL
2024-02-23 07:00:05FORECAST2024150-13525.8812.00218.941125.070976120720.9759847793.1359847793.947.075984779TT-6.12-1.1258399.3264793489849.9441525630280.20491353251375161115127.5WETL
2024-02-23 03:00:12FORECAST2024150-13524.51211.33617.924125.044363745040.8610240873.0010240873.946.941024087TT-7.488-3.48858399.3130562319749.9318470516150.16574603448703161115127.5WETL
2024-02-22 23:00:04FORECAST2024150-13526.7812.48819.634124.540216753290.7740161662.8740161663.946.814016166TT-5.22-5.2258399.0585961382549.6988440603190.23344020752678161115127.5WETL
2024-02-22 19:00:03FORECAST2024150-13525.53812.54219.04125.237802128280.8161421733.0161421733.976.986142173TT-6.462-6.46258399.4106046824250.0213062771560.19464030964574161115127.5WETL
2024-02-22 15:00:03FORECAST2024150-13525.3412.32618.833123.438714857750.4114175452.6414175454.056.691417545TT-6.66-5.6658398.5014957442949.1905125035680.18883825216893161115127.5WETL
2024-02-22 11:00:03FORECAST2024150-13523.95411.62417.789122.99881506950.3645671262.5045671264.16.604567126TT-8.046-9.04658398.2785742134248.9877926958210.1512579994729161115127.5WETL
2024-02-22 07:00:08FORECAST2024150-13523.46811.55217.51122.422516746740.4204726682.19047266846.190472668TT-8.532-12.53258397.9861548523448.7224667073830.13934497941078161115127.5WETL
2024-02-22 03:00:08FORECAST2024150-13523.23411.17417.204121.415474597750.2019686132.0319686134.036.061968613TT-8.766-12.76658397.4741432602948.2595117442840.13384240032853161115127.5WETL
2024-02-21 23:00:05FORECAST2024150-13524.99812.09218.545120.82230758060.2346457962.4546457964.346.794645796TT-7.002-12.00258397.1719452056747.9872309260230.17907020780738161115127.5WETL
2024-02-21 19:00:04FORECAST2024150-13523.68413.35218.518120.408130569660.2354331982.4254331984.446.865433198TT-8.316-10.31658396.9606662492247.7972917327570.14455871699197161115127.5WETL
2024-02-21 15:00:03FORECAST2024150-13524.6213.15418.887121.209720564410.6031499322.5431499324.426.963149932TT-7.38-8.3858397.3693702765448.1650303320740.16865027727747161115127.5WETL
2024-02-21 11:00:04FORECAST2024150-13523.21613.22618.221124.753150195460.7015751822.5315751824.376.901575182TT-8.784-9.78458399.1661106217949.7972297513390.13342538075357161115127.5WETL
2024-02-21 07:00:08FORECAST2024150-13520.62411.85816.241126.381157554690.7318901592.7118901594.427.131890159TT-11.376-13.37658399.986206044550.5507197258120.082414676688999161115127.5WETL
2024-02-21 03:00:06FORECAST2024150-13521.61413.04617.33130.190899861130.814961073.134961074.47.53496107TT-10.386-20.38658401.8921310035152.3226981824560.099826924064811161115127.5WETL
2024-02-20 23:00:05FORECAST2024150-13524.40413.44218.923130.726605607620.9338587723.1838587724.077.253858772TT-7.596-14.59658402.1586560891552.5728360262550.16287424309811161115127.5WETL
2024-02-20 19:00:04FORECAST2024150-13526.29413.53219.913131.455213851181.2295282233.2495282233.957.199528223TT-5.706-10.70658402.5205727348552.913427968360.21777056109266161115127.5WETL
2024-02-20 15:00:05FORECAST2024150-13525.95214.70220.327130.228819475060.9814965933.2414965934.017.251496593TT-6.048-6.04858401.9110087528952.340396203920.20711660913247161115127.5WETL
2024-02-20 11:00:05FORECAST2024150-13524.49417.40220.948126.936925703250.937008382.737008383.96.63700838TT-7.506-4.50658400.2653941644550.8084586006340.16526514841598161115127.5WETL
2024-02-20 07:00:08FORECAST2024150-13526.47418.10422.289127.643634633511.1444888073.0544888073.816.864488807TT-5.526-1.52658400.6198381064451.1365722421940.22350232459125161115127.5WETL
2024-02-20 03:00:08FORECAST2024150-13526.04213.35219.697133.349905065851.751969453.611969453.747.35196945TT-5.958-1.95858403.4585803944853.8011633936080.20989002797119161115127.5WETL
2024-02-19 23:00:05FORECAST2024150-13528.41816.21422.316132.092224080351.696851313.156851313.676.82685131TT-3.5820.41858402.8364422086953.2115615919620.290570991667771621151210WETL
2024-02-19 19:00:06FORECAST2024150-13527.73416.5222.127132.395547519141.5594496613.1194496613.746.859449661TT-4.266-5.26658402.9866693974253.3536407377880.265938041356211621151210WETL
2024-02-19 15:00:05FORECAST2024150-13526.76221.93824.35128.198163156291.1519691262.6819691263.796.471969126TT-5.238-4.23858400.8975120992351.3943246650470.23284893355319161115127.5WETL
2024-02-19 11:00:04FORECAST2024150-13526.85221.39824.125126.702913838480.9196855362.3696855363.926.289685536TT-5.1481.85258400.1478871850750.699903272660.23581359853004161115127.5WETL
2024-02-19 07:00:07FORECAST2024150-13524.5319.18421.857129.741091059371.0291344142.5491344143.866.409134414TT-7.47-8.4758401.668061222152.1128525066560.16622782200597161115127.5WETL
2024-02-19 03:00:08FORECAST2024150-13526.31216.08821.2131.316720381121.4248039192.8048039193.826.624803919TT-5.6880.31258402.4518313567252.8486546051410.21833990057199161115127.5WETL
2024-02-18 23:00:04FORECAST2024150-13529.13814.14421.641132.328612712221.2492132732.6492132733.355.999213273TT-2.862-5.86258402.9535285054653.3222814146220.317597055074211621151210WETL
2024-02-18 19:00:03FORECAST2024150-13529.5714.4522.01131.441647041881.1964573392.4564573393.335.786457339TT-2.43-8.4358402.5138399032552.9070820740360.334304843623811621151210WETL
2024-02-18 15:00:05FORECAST2024150-13529.55216.91623.234127.398166530170.7582681262.2682681263.435.698268126TT-2.4480.55258400.4967977458751.022557734030.333601798985721621151210WETL
2024-02-18 11:00:05FORECAST2024150-13531.44217.92424.683121.172729436810.2220473641.5920473643.415.002047364TF-0.5585.44258397.3505280419248.1480480259960.410166435651411621151210WETL
2024-02-18 07:00:08FORECAST2024150-13527.91414.37821.146121.185208977880.0767716951.6067716953.384.986771695TF-4.0864.91458397.3568849652148.1537771433080.272316689623811621151210WETL
2024-02-18 03:00:08FORECAST2024150-13528.99414.61221.803121.408449893330.0791339011.5691339013.34.869133901TF-3.0062.99458397.4705670800948.2562854274150.312107157869111621151210WETL
2024-02-17 23:00:04FORECAST2024150-13516.73611.2113.973128.4629551855101.473.444.91TF-15.264-9.26458401.0299658607851.5174945324180.035325852197156161114126WETL
2024-02-17 19:00:04FORECAST2024150-13517.09612.2914.693128.968272292810.0732283861.3932283863.615.003228386TF-14.904-10.90458401.282487531951.7527091183510.038455130498093161114126WETL
2024-02-17 15:00:06FORECAST2024150-13520.9312.2916.61130.827666131970.0968504461.4968504463.484.976850446TF-11.07-17.0758402.2088952168952.6200510587450.087534320397263161114126WETL
2024-02-17 11:00:05FORECAST2024150-13515.96211.15613.559129.6455789809601.593.164.75TF-16.038-19.03858401.6204494453952.0683156989410.029300584934206161115127.5WETL
2024-02-17 07:00:09FORECAST2024150-13522.51420.7521.632130.582653453770.0649606651.7149606653.084.794960665TF-9.486-6.48658402.0870724374252.5055968383360.11785332305185161115127.5WETL
2024-02-17 03:00:10FORECAST2024150-13522.35222.122.226134.75809458180.0366141932.0566141933.565.616614193TF-9.648-13.64858404.1528164182854.4628634603970.11444964127236161115127.5WETL