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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Friday, March 6, 2020

[ Thursday, March 5, 2020 | Index | Today | Saturday, March 7, 2020 ]

DAY 158 OF WATER YEAR 2020, FORECAST LAST UPDATED 03/07/2020 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): 31.32°F
MINIMUM TEMPERATURE (Tmin): 25.49°F
AVERAGE TEMPERATURE (Tavg): 28.40°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.327
Maximum Percentile on this day is based on 90 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: -7

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: 0.19 in
DAY 1-3 (P3): 0.31 in
DAY 4-15 (P15): 4.36 in
18-DAY TOTAL (P18): 4.67 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: 190 in
SWE DAY: 66
CALCULATED SNOW DENSITY: 434.64 kg/m3
CALCULATED SWE: 82.67 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: 2
D1: 1
D2: 1
D3: 2
D4: 1
D5: 2
HSdry: 4.0

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
2020-03-07 04:00:03OBSERVATION2020158-12731.3199625.4899428.40495190.199750833330.190.314.364.67TF-0.68004-6.6800466434.64190966174 82.6687829193870.3273784923905790 2112124WETL
2020-03-07 00:00:02FORECAST2020159-12724.8124.8124.81192.018826367550.00410.12414.364.4841TF-7.19-13.1966435.3944958254483.6039400952930.10553667667365901112123WETL
2020-03-06 12:00:02FORECAST2020158-12732.6726.2929.48191.506256544090.16780.28784.364.6478TF0.67-5.3366435.1827876803783.3402265810890.38949658831282902112124WETL
2020-03-06 08:00:02FORECAST2020158-12730.8426.1828.51191.590089882840.18670.30674.364.6667TF-1.16-7.1666435.217432454783.3833470025740.30629845026035902112124WETL
2020-03-06 04:00:03FORECAST2020158-12731.3324.2227.775191.623808642230.30660.42664.364.7866TF-0.67-6.6766435.2313649121283.4006917850190.32782569448043902112124WETL
2020-03-05 23:59:56FORECAST2020158-12731.6123.7327.67195.484806254070.42810.63814.364.9981TF-0.39-0.3966436.8188485727685.3914479813690.34039490480599902113126WETL
2020-03-05 20:00:02FORECAST2020158-12730.224.1527.175195.488031090980.41420.62424.364.9842TF-1.8-1.866436.8201679968885.3931145825390.27916587462029902113126WETL
2020-03-05 16:00:03FORECAST2020158-12730.1724.4927.33195.362840259090.44530.65534.365.0153TF-1.83-1.8366436.7689389281385.3284204459480.2779232079016902113126WETL
2020-03-05 11:59:55FORECAST2020158-12729.7723.9126.84195.315325046130.44810.65814.365.0181TF-2.23-2.2366436.7494910658285.303868811250.26161680474441902113126WETL
2020-03-05 08:00:01FORECAST2020158-12732.922.6427.77195.353138622640.41450.70454.365.0645TF0.9-2.166436.7649682623785.3234073904730.40041989685109902113126WETL
2020-03-05 04:00:03FORECAST2020158-12733.2122.5427.875195.205121263230.38570.69574.365.0557TF1.21-6.7966436.7043758867685.2469306511590.41526518984579902113126WETL
2020-03-05 00:00:03FORECAST2020158-12729.1723.1726.17193.655885191950.39580.62584.364.9858TF-2.83-0.8366436.0688118241184.4472917584030.23811073665631901113124.5WETL
2020-03-04 19:59:56FORECAST2020158-12728.4622.1425.3193.789932587990.32810.60814.364.9681TF-3.54-2.5466436.1239027902984.5164217217440.21185641529106901113124.5WETL
2020-03-04 16:00:03FORECAST2020158-12732.0321.5126.77193.942213226050.32110.63114.364.9911TF0.0300000000000011.0366436.1864645232584.5949683088850.35958175071227902113126WETL
2020-03-04 12:00:03FORECAST2020158-12732.321.9427.12193.984815733150.35030.64034.365.0003TF0.32.366436.2039626576984.6169453182210.37210940181923902113126WETL
2020-03-04 07:59:34FORECAST2020158-12733.1421.9927.565193.430682080410.40380.62384.364.9838TF1.145.1466435.9762153300284.3311767021210.41190162556475902113126WETL
2020-03-04 04:00:03FORECAST2020158-12734.1622.1728.165193.929587570230.4010.6614.365.021TF2.162.1666436.1812784219284.5884554302180.46142769873224902113126WETL
2020-03-04 00:00:02FORECAST2020158-12733.7222.6328.175194.05154067020.37540.76543.814.5754TF1.722.7266436.2313647966484.6513684274530.43994362512742902113126WETL
2020-03-03 20:00:03FORECAST2020158-12729.5621.9325.745193.397398834310.49320.86324.215.0732TF-2.444.5666435.9625258044784.3140184798190.25325662605285902113126WETL
2020-03-03 16:00:02FORECAST2020158-12729.1221.9225.52193.308413541870.4220.8424.215.052TF-2.883.1266435.9259201318884.2681480424750.23620544793337901113124.5WETL
2020-03-03 12:00:02FORECAST2020158-12732.8522.0327.44194.60584578740.4270.9974.215.207TF0.856.8566436.4588235650284.9374385112430.39803830792709902114128WETL
2020-03-03 08:00:03FORECAST2020158-12728.1320.2324.18194.852843867460.36861.11864.145.2586TF-3.87-0.8766436.5600759780685.0649723233170.20025311196832901114126WETL
2020-03-03 04:00:14FORECAST2020158-12733.1122.327.705194.816528044040.38331.07334.195.2633TF1.110.1166436.5451929434885.0462188235660.41046206143883902114128WETL
2020-03-03 00:00:03FORECAST2020158-12733.1522.327.725193.566218568530.37351.10353.24.3035TF1.157.1566436.0319500518184.401055746590.41238174484142902114128WETL
2020-03-02 20:00:02FORECAST2020158-12733.8620.7527.305193.959041143260.30250.99253.974.9625TF1.865.8666436.1933764825884.6036490556030.44676337892846902114128WETL
2020-03-02 16:00:02FORECAST2020158-12733.8321.3127.57194.499676026590.41561.10564.025.1256TF1.832.8366436.4152816597384.8826308958690.44530060662653902114128WETL
2020-03-02 12:00:02FORECAST2020158-12733.8721.3127.59194.689173277630.41561.09563.975.0656TF1.872.8766436.4929892689384.980459222250.44725113169568902114128WETL
2020-03-02 07:59:42FORECAST2020158-12732.7719.5726.17193.276688232130.33860.85863.914.7686TF0.77-3.2366435.9128673642384.251795361930.39423568800088902113126WETL
2020-03-02 04:00:03FORECAST2020158-12732.8319.7526.29192.911374075260.27840.66843.954.6184TF0.834.8366435.7624900779684.0635407313940.39708672938564902113126WETL
2020-03-02 00:00:02FORECAST2020158-12732.8619.7526.305191.655102223710.27840.67843.884.5584TF0.869.8666435.244294228183.4167897025750.39851432505582902113126WETL
2020-03-01 20:00:02FORECAST2020158-12733.5320.0526.79194.111060250410.31790.87794.034.9079TF1.5314.5366436.2558039704784.6820766491040.43071704712057902113126WETL
2020-03-01 16:00:01FORECAST2020158-1273419.8826.94193.502541914670.39910.99913.944.9391TF22166436.0057676064184.3682243212990.45359891237633902114128WETL
2020-03-01 12:00:01FORECAST2020158-12734.0419.8826.96194.137718346720.39910.99913.974.9691TF2.0416.0466436.2667487813484.6958311989520.45555453983505902114128WETL
2020-03-01 08:00:11FORECAST2020158-12731.5821.4726.525194.359813679650.52571.15573.915.0657TF-0.4215.5866436.3579039640884.8104409121040.33903938560067902114128WETL
2020-03-01 04:00:03FORECAST2020158-12732.7922.0727.43192.576227759340.39231.02234.025.0423TF0.7918.7966435.6244082493683.8909052605530.39518541404204902114128WETL
2020-03-01 00:00:03FORECAST2020158-12732.8422.127.47187.467090858470.39230.86232.943.8023TF0.8414.8466433.5048006383381.2678838488520.3975624424787902113126DRYL
2020-02-29 20:00:02FORECAST2020158-1273621.1828.59188.517807808420.83971.18973.114.2997TF42366433.9429570667681.8059749801290.551767762039929031141210WETL
2020-02-29 15:59:47FORECAST2020158-12734.8923.4129.15190.595877444540.69891.84893.044.8889TF2.8915.8966434.8060910715382.872248446010.497290764065229021151210WETL
2020-02-29 12:00:03FORECAST2020158-12734.9123.4129.16191.425034546930.69891.84892.864.7089TF2.9117.9166435.1492150263383.2984535194850.498274949674669021151210WETL
2020-02-29 08:00:02FORECAST2020158-12730.8117.0823.945194.096247827090.55491.58493.24.7849TF-1.19-0.1966436.2497222267284.6744341998190.305000928667819021151210WETL
2020-02-29 04:00:03FORECAST2020158-12729.3918.4123.9196.981470231410.74471.79473.645.4347TF-2.611.3966437.4300403719886.1656124758580.24659304531311901115127.5WETL
2020-02-28 23:59:50FORECAST2020158-12729.4218.4123.915202.218805754140.74471.79473.775.5647TF-2.587.4266439.5506092642388.8853992739170.24776211663108901115127.5WETL
2020-02-28 20:00:03FORECAST2020158-12732.5721.8527.21199.744491975510.51381.77384.065.8338TF0.5717.5766438.5522880054587.5984039723460.384773860307839021151210WETL
2020-02-28 16:00:03FORECAST2020158-12732.8628.3530.605198.409064621450.37581.52584.245.7658TF0.8623.8666438.0108651500886.9053260484610.398514325055829021151210WETL
2020-02-28 12:00:02FORECAST2020158-12730.8228.3829.6200.043877452720.26191.41194.395.8019TF-1.1820.8266438.6734161769487.7539311074650.30543316487606902114128WETL
2020-02-28 08:00:03FORECAST2020158-12730.8228.0829.45201.288008696240.39381.81383.955.7638TF-1.1815.8266439.1757928503288.400820810430.305433164876069021151210WETL
2020-02-28 03:59:51FORECAST2020158-12723.522323.26203.529533140540.12521.87524.386.2552TT-8.484.5266440.076916996789.5686494622660.07926241062291901115127.5WETL