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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Thursday, March 28, 2024

[ Wednesday, March 27, 2024 | Index | Today | Friday, March 29, 2024 ]

DAY 180 OF WATER YEAR 2024, FORECAST LAST UPDATED 03/29/2024 04:00:03 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): 31.30°F
MINIMUM TEMPERATURE (Tmin): 24.82°F
AVERAGE TEMPERATURE (Tavg): 28.06°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.237
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: -1
18-DAY CUMULATIVE DD32: 155

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: 0.37 in
DAY 1-3 (P3): 1.61 in
DAY 4-15 (P15): 7.21 in
18-DAY TOTAL (P18): 8.82 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: 145 in
SWE DAY: 87
CALCULATED SNOW DENSITY: 428.81 kg/m3
CALCULATED SWE: 62.16 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: 1
D1: 1
D2: 1
D3: 5
D4: 1
D5: 2
HSdry: 7.5

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
2024-03-29 04:00:03OBSERVATION2024180-10631.2999824.8199828.05998144.958699583330.371.617.218.82TT-0.70002155.2999887428.80772107059 62.1594096176860.237476692675316 1115127.5WETL
2024-03-29 00:00:02FORECAST2024180-10528.16621.72224.944143.481341854950.6633861851.9033861857.219.113386185TT-3.834152.16688428.8157546855661.5270598908280.14101824818002161115127.5WETL
2024-03-28 12:00:01FORECAST2024180-10527.30221.90224.602140.987924369840.7862208972.0262208977.219.236220897TT-4.698151.30288427.7414985547860.3063860480840.11991249995384161115127.5WETL
2024-03-28 08:00:02FORECAST2024180-10526.31220.87623.594141.314539956120.8429138412.0829138417.219.292913841TT-5.688150.31288427.8826041193760.4660333563550.098582195295937161115127.5WETL
2024-03-28 04:00:03FORECAST2024180-10527.66220.04823.855140.731848397430.8177169772.0577169777.219.267716977TT-4.338151.66288427.6307858536460.1812709248280.12841998992082161115127.5WETL
2024-03-28 00:00:03FORECAST2024180-10628.63420.46224.548141.220366985080.8181106782.2181106787.219.428110678TT-3.366151.63487427.1944811677360.3285614045080.15344211803364161115127.5WETL
2024-03-27 20:00:01FORECAST2024180-10629.06620.2124.638132.83102812710.7169295212.0969295217.219.306929521TT-2.934153.06687423.517897911356.2563178097840.1655335865099161115127.5WETL
2024-03-27 16:00:01FORECAST2024180-10629.44421.97425.709133.035684976820.7850397942.1650397947.219.375039794TT-2.556153.44487423.608523123356.3550500357280.17660436371892161115127.5WETL
2024-03-27 12:00:02FORECAST2024180-10629.33621.36225.349136.557452855150.7228350362.1028350367.219.312835036TT-2.664153.33687425.1606584993658.0588565788910.17339463739867161115127.5WETL
2024-03-27 08:00:02FORECAST2024180-10628.4921.5625.025136.476958961190.6098428492.0398428497.219.249842849TT-3.51151.4987425.1253375546358.0198132468060.14954467859174161115127.5WETL
2024-03-27 04:00:05FORECAST2024180-10629.35421.57825.466136.461966255660.6082680451.9782680457.219.188268045TT-2.646152.35487425.1187579158758.0125415973630.17392700356488161115127.5WETL
2024-03-27 00:00:03FORECAST2024180-10629.4821.68625.583135.092045305280.6311027031.8611027037.219.071102703TT-2.52149.4887424.5165012434757.348802418820.17768254919194161115127.5WETL
2024-03-26 20:00:02FORECAST2024180-10629.22821.75825.493133.255700528590.633858611.783858617.218.99385861TT-2.772149.22887423.7058968746756.4612261061270.17022220391828161115127.5WETL
2024-03-26 16:00:02FORECAST2024180-10629.64222.08225.862133.011810036080.594488511.754488517.218.96448851TT-2.358149.64287423.5979533581656.343530503750.18258550104188161115127.5WETL
2024-03-26 12:00:02FORECAST2024180-10629.80422.83826.321133.323544528710.5799215731.6999215737.218.909921573TT-2.196149.80487423.735912071356.4939737414520.18757188318398161115127.5WETL
2024-03-26 08:00:03FORECAST2024180-10629.37222.56825.97133.490409253030.5724412541.7324412547.218.942441254TT-2.628150.37287423.8097135103356.5745321019050.17446040540088161115127.5WETL
2024-03-26 04:00:04FORECAST2024180-10629.17421.79425.484134.100061438860.6251971881.8151971887.219.025197188TT-2.826149.17487424.0790865823456.8690315656270.16864998846805161115127.5WETL
2024-03-26 00:00:02FORECAST2024180-10629.55222.51426.033133.86337814250.6629924841.7729924847.239.002992484TT-2.448146.55287423.9745582783856.7546666176180.17985131952472161115127.5WETL
2024-03-25 20:00:02FORECAST2024180-10628.83222.15425.493132.827004395640.6893704511.8893704517.279.159370451TT-3.168145.83287423.5161156686556.2543769575450.15890970735334161115127.5WETL
2024-03-25 16:00:01FORECAST2024180-10629.60622.8226.213131.996591301990.5704727491.7704727497.279.040472749TT-2.394148.60687423.147908406155.8540815261720.18148873533829161115127.5WETL
2024-03-25 12:00:02FORECAST2024180-10629.91222.58626.249132.399584247840.4897640441.6697640447.278.939764044TT-2.088147.91287423.3266934929756.0482782194830.19094232155995161115127.5WETL
2024-03-25 08:00:03FORECAST2024180-10629.08422.78425.934132.741836678710.4740160041.7440160047.39.044016004TT-2.916146.08487423.478387819756.2132989929250.16605039047737161115127.5WETL
2024-03-25 04:00:05FORECAST2024180-10629.26422.26225.763132.883328644230.4145671531.6245671537.328.944567153TT-2.736148.26487423.5410618689456.2815461186550.17127553468639161115127.5WETL
2024-03-25 00:00:03FORECAST2024180-10631.22623.6327.428129.084963062630.6641735871.9841735876.878.854173587TT-0.774152.22687421.8507323254554.4545862001730.23484938060118161115127.5WETL
2024-03-24 20:00:02FORECAST2024180-10631.5523.59427.572129.169292519030.6972444711.9972444716.958.947244471TT-0.45155.5587421.8884374803254.4950309912920.24647390290938161115127.5WETL
2024-03-24 16:00:03FORECAST2024180-10630.63223.37827.005129.155307149910.6826775341.9726775346.948.912677534TT-1.368152.63287421.8821849391254.4883231768890.2143456703238161115127.5WETL
2024-03-24 12:00:03FORECAST2024180-10627.66221.75824.71131.537004753590.7267720462.3467720466.929.266772046TT-4.338145.66287422.94379246755.6327596402320.12841998992082161115127.5WETL
2024-03-24 08:00:03FORECAST2024180-10628.1321.48824.809131.885125522950.732283862.492283866.959.44228386TT-3.87150.1387423.098425051355.8003888964550.14009157887963161115127.5WETL
2024-03-24 04:00:08FORECAST2024180-10629.26421.1125.187132.11343293890.7814964852.4614964856.839.291496485TT-2.736152.26487423.1997632449455.9103735412170.17127553468639161115127.5WETL
2024-03-24 00:00:03FORECAST2024180-10628.11222.85625.484135.463237843211.4240165172.9440165177.019.954016517TT-3.888146.11287424.6798952038657.528513651230.13962979467994161115127.5WETL
2024-03-23 20:00:03FORECAST2024180-10628.14823.41425.781132.544515646771.2858274662.7358274667.059.785827466TT-3.852146.14887423.3909465955956.118147945740.14055439660672161115127.5WETL
2024-03-23 16:00:03FORECAST2024180-10626.9622.92824.944133.910932536241.5208669632.8608669637.079.930866963TT-5.04140.9687423.9955651437656.7776415196320.11220476843835161115127.5WETL
2024-03-23 12:00:04FORECAST2024180-10628.36423.16225.763131.762372746251.1984258442.3584258447.079.428425844TT-3.636145.36487423.0439148119255.7412699914820.14618893234323161115127.5WETL
2024-03-23 08:00:04FORECAST2024180-10630.0222.2826.15130.845320216621.0299218162.1199218167.199.309921816TT-1.98146.0287422.6361454582655.2999617876040.19434957192217161115127.5WETL
2024-03-23 04:00:04FORECAST2024180-10628.20222.1925.196134.508872529941.4145676932.5345676937.279.804567693TT-3.798139.20287424.2594850948757.0666650002460.14194905409993161115127.5WETL
2024-03-23 00:00:03FORECAST2024180-10627.84220.80424.323141.107013164090.8153547711.8553547717.679.525354771TT-4.158136.84287427.1453247795760.2732009666510.13282681358281161115127.5WETL
2024-03-22 20:00:03FORECAST2024180-10627.82420.8424.332137.889315167570.6370082181.7970082187.529.317008218TT-4.176138.82487425.7440363275458.7055536058820.13238151592146161115127.5WETL
2024-03-22 16:00:03FORECAST2024180-10626.74420.13823.441139.694097737650.7866145982.0866145987.519.596614598TT-5.256137.74487426.5314185801259.583921675310.1075223961484161115127.5WETL
2024-03-22 12:00:03FORECAST2024180-10629.322.3725.835138.830219101730.811024062.071024067.179.24102406TT-2.7144.387426.1549799234259.163189234060.17233301314528161115127.5WETL
2024-03-22 08:00:03FORECAST2024180-10628.00419.68823.846138.757577342450.6960633681.9060633687.119.016063368TT-3.996130.00487426.1232883143759.1278351357020.13688077468573161115127.5WETL
2024-03-22 04:00:06FORECAST2024180-10627.93219.09423.513139.373274785920.4775593131.8175593137.178.987559313TT-4.068126.93287426.3917150720659.4276096711760.1350687207876161115127.5WETL
2024-03-22 00:00:03FORECAST2024180-10629.22818.91424.071143.275347970450.4047246281.7147246287.589.294724628TT-2.772131.22887428.0831831446861.3337670253510.17022220391828161115127.5WETL
2024-03-21 20:00:03FORECAST2024180-10630.9220.7525.835141.580184527550.4480317381.8380317387.699.528031738TT-1.08129.9287427.3504239102860.5043518751430.22415435020433161115127.5WETL
2024-03-21 16:00:02FORECAST2024180-10630.36222.80226.582143.503066932090.5500002972.2400002977.729.960000297TT-1.638134.36287428.1813778371261.4453409228370.20538050055161115127.5WETL
2024-03-21 12:00:02FORECAST2024180-10628.4919.20223.846147.073350679240.8326776152.3126776157.7310.042677615TT-3.51117.4987429.7135170602563.199406786210.14954467859174161115127.5WETL
2024-03-21 08:00:04FORECAST2024180-10628.05819.52623.792144.984398446550.5716538522.0316538527.849.871653852TT-3.942126.05887428.818758227962.1720297042680.13825063993577161115127.5WETL
2024-03-21 04:00:04FORECAST2024180-10628.11221.45224.782145.150349369490.779527981.999527987.749.73952798TT-3.888127.11287428.8900135470862.2535353074450.13962979467994161115127.5WETL
2024-03-21 00:00:05FORECAST2024180-10628.32822.96425.646143.010980584550.6011814271.9311814278.4210.351181427TT-3.672130.32887427.9691140196561.2042826558520.14523948398607161115127.5WETL
2024-03-20 20:00:03FORECAST2024180-10627.82422.15424.989144.911264081150.8047248442.1847248448.2310.414724844TT-4.176126.82487428.7873465611962.1361164121850.13238151592146161115127.5WETL
2024-03-20 16:00:03FORECAST2024180-10627.69821.21824.458144.688536946420.7027562851.9527562858.3710.322756285TT-4.302121.69887428.6916479131562.0267673377040.12929315875598161115127.5WETL
2024-03-20 12:00:04FORECAST2024180-10631.74821.77626.762143.029749422240.2413387131.6713387138.5710.241338713TT-0.252122.74887427.977214915861.2134738078340.253726494867451621151210WETL
2024-03-20 08:00:03FORECAST2024180-10631.08218.28424.683140.2030682544101.378.489.85TT-0.918122.08287426.7528181890559.8320544963190.22978169537621161114126WETL
2024-03-20 04:00:06FORECAST2024180-1063218.91425.457139.2126013856901.378.369.73TT012287426.3217064663759.3493537843690.26311639309407162114128WETL
2024-03-20 00:00:04FORECAST2024180-10631.11819.88625.502151.7780404792901.218.529.73TT-0.882117.11887431.7113698891665.5243057744060.23104285536088161114126WETL
2024-03-19 20:00:04FORECAST2024180-10629.91217.25823.585155.2710236653401.088.9310.01TT-2.088108.91287433.1793033673967.2601938644920.19094232155995161114126WETL
2024-03-19 16:00:04FORECAST2024180-10630.93821.34426.141165.176110462590.4834648282.4334648288.9711.403464828TT-1.062117.93887437.2718009945972.2268553032550.22477572630782161115127.5WETL
2024-03-19 12:00:03FORECAST2024180-10629.98423.73826.861165.443324072610.9019689912.6719689918.8111.481968991TT-2.016114.98487437.3807859890772.361731119520.19320973933664161115127.5WETL
2024-03-19 08:00:04FORECAST2024180-10635.7825.14230.461161.965968115310.8066933492.6466933498.511.146693349TT3.78125.7887435.9567228287970.6101526693450.421447975496251621151210WETL
2024-03-19 04:00:05FORECAST2024180-10634.84423.9929.417153.488646191270.5248034331.5448034338.29.744803433TT2.844127.84487432.4318828420466.3733842673690.379785740064991621151210WETL
2024-03-19 00:00:05FORECAST2024180-10630.90225.71828.31157.076440118880.0523622330.8923622338.269.152362233TT-1.098125.90287433.9329432597868.1606419775550.22353394906813161113124.5WETL
2024-03-18 20:00:04FORECAST2024180-10631.20824.11627.662158.792910348340.0523622330.8823622338.118.992362233TT-0.792122.20887434.6462563779869.0187440222720.23421256656481161113124.5WETL
2024-03-18 16:00:04FORECAST2024180-10631.22623.93627.581163.28705318740.0799213031.1199213038.449.559921303TT-0.774112.22687436.499221875671.2746716586610.23484938060118161114126WETL
2024-03-18 12:00:03FORECAST2024180-10628.95826.3327.644162.3144618037201.068.549.6TT-3.042108.95887436.100007376970.7853379899790.162454582923161114126WETL
2024-03-18 08:00:05FORECAST2024180-10631.83827.28429.561159.1230214037601.088.299.37TT-0.162121.83887434.7830843447169.1839980361770.25705973918944162114128WETL
2024-03-18 04:00:06FORECAST2024180-10635.45634.03434.745161.1904066660400.768.949.7TT3.456120.45687435.6373921177570.2205683943940.40690093633526162113126WETL