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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Tuesday, October 29, 2019

[ Monday, October 28, 2019 | Index | Today | Wednesday, October 30, 2019 ]

DAY 29 OF WATER YEAR 2020, FORECAST LAST UPDATED 10/30/2019 04:00:54 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): 29.79°F
MINIMUM TEMPERATURE (Tmin): 12.57°F
AVERAGE TEMPERATURE (Tavg): 21.18°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.134
Maximum Percentile on this day is based on 89 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: -2
18-DAY CUMULATIVE DD32: 99

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): 7.36 in
18-DAY TOTAL (P18): 7.37 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: 12 in
SWE DAY: 65
CALCULATED SNOW DENSITY: 340.26 kg/m3
CALCULATED SWE: 4.11 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: 109

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 1
D1: 5
D2: 1
D3: 1
D4: 3
D5: 2
HSdry: 10.5

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
2019-10-30 04:02:12OBSERVATION20202910929.7899612.5700821.1800212.076747500.017.367.37TT-2.2100498.7899665340.25961568213 4.10922946304010.1342447021984689 15113210.5WETL
2019-10-30 04:00:12OBSERVATION20202910929.7899612.5700821.1800212.076747500.017.367.37TT-2.2100498.7899665340.25961568213 4.10922946304010.1342447021984689 15113210.5WETL
2019-10-30 00:00:13FORECAST20202910923.6623.6623.66900.017.367.37TT-8.3492.6664337.249692224553.03524723002090.0456428569276798915113210.5WETL
2019-10-29 12:02:14FORECAST20202910932.7822.1327.4559.01052908700270.00580.01587.367.3758TT0.78101.7864337.256662932153.03886097113560.205234501366558915113210.5WETL
2019-10-29 12:00:11FORECAST20202910932.921.6527.2759.01398077266870.00760.01767.367.3776TT0.9101.964337.258948055663.04004567318420.208483269637578915113210.5WETL
2019-10-29 00:02:14FORECAST20202910933.8217.8425.839.01637927003410.00660.01667.367.3766TT1.82102.8265338.249086451823.04978205119220.234377595323588915113210.5WETL
2019-10-29 00:00:13FORECAST20202910933.1717.0625.1159.0053759056470.00310.01317.367.3731TT1.17102.1765338.241829485033.04599482152640.215902715075738915113210.5WETL
2019-10-28 20:00:11FORECAST20202910932.6715.2623.9659.02188820702740.00470.02477.367.3847TT0.67120.6765338.252719643733.05167822234870.202282998373138915113210.5WETL
2019-10-28 12:02:13FORECAST20202910932.8418.2225.538.95201686081650.00390.02397.367.3839TT0.84120.8465338.206635115723.02763149999590.206855117849768915113210.5WETL
2019-10-28 12:00:11FORECAST20202910932.9418.5525.7458.87352456096340.00180.02187.367.3818TT0.94121.9465338.154854773313.000625409240.209572881741848915113210.5WETL
2019-10-28 08:02:12FORECAST20202910932.8918.0825.4858.85161609035380.00180.02187.367.3818TT0.89121.8965338.140400199182.99308900720170.208211388463998915113210.5WETL
2019-10-28 08:00:12FORECAST20202910932.8918.0925.498.84864819167550.00180.02187.367.3818TT0.89120.8965338.138442003762.99206811337250.208211388463998915113210.5WETL
2019-10-28 00:02:14FORECAST20202910933.7218.2525.9858.82453604442590.00290.02297.367.3829TT1.72123.7265338.122532457882.98377447510710.23147969393028915113210.5WETL
2019-10-28 00:00:13FORECAST20202910932.5317.8325.188.72739448790550.00160.02167.367.3816TT0.53122.5365338.058427173182.95036925390120.198563410382478915113210.5WETL
2019-10-27 12:00:11FORECAST20202910932.1218.1725.1458.67983263446480.00180.00187.367.3618TT0.12130.1265338.027034568112.93401808597560.187909539291568915113210.5WETL
2019-10-27 08:02:15FORECAST20202910931.5417.6724.6058.62892428477060.00330.01337.367.3733TT-0.46129.5465337.993428947782.91651970714040.17345310757278915113210.5WETL
2019-10-27 08:00:11FORECAST20202910931.5517.6924.628.62442635830730.00330.01337.367.3733TT-0.45129.5565337.990459567582.91497382835110.173696213527118915113210.5WETL
2019-10-27 04:02:13FORECAST20202910931.2217.3924.3059.27601731405010.00520.01527.367.3752TT-0.78123.2265338.420264749753.13919223524410.165787967716348915113210.5WETL
2019-10-27 04:00:12FORECAST20202910931.2317.3924.319.26166049010630.00520.00527.367.3652TT-0.77124.2365338.410802302833.13424595711330.166024146231628915113210.5WETL
2019-10-27 00:02:16FORECAST20202910931.3417.6724.50520.6512871911540.00170.01177.237.2417TT-0.66121.3465345.810187570177.14142549713840.16863641213656891511227WETL
2019-10-27 00:00:13FORECAST20202910931.4517.3424.39520.6903686153030.00140.02147.237.2514TT-0.55120.4565345.835210481547.15545798501420.17127488390751891511227WETL
2019-10-26 20:02:14FORECAST20202910930.5317.7424.13520.6702319979050.00190.01197.267.2719TT-1.47130.5365345.822317791987.14822753881340.150015436307891511227WETL
2019-10-26 20:00:11FORECAST20202910930.5417.7424.1420.6744526959160.00190.02197.267.2819TT-1.46130.5465345.825020194677.14974302107920.15023665014033891511227WETL
2019-10-26 08:02:16FORECAST20202910928.5319.6424.08520.5973681380650.00130.00137.267.2613TT-3.47129.5365345.775660398197.12206857040420.1100856912453891511227WETL
2019-10-26 08:00:11FORECAST20202910928.5319.6424.08520.6115929669470.00130.00137.267.2613TT-3.47129.5365345.784769754627.12717492835170.1100856912453891511227WETL
2019-10-26 00:02:14FORECAST20202910936.7118.5327.6220.4471898975480.00120.00127.267.2612TT4.71139.7165345.679468535167.06817373682210.3261151468763892511228WETL
2019-10-26 00:00:13FORECAST20202910936.4522.1229.28520.4340081763810.00230.00237.257.2523TT4.45139.4565345.671023653977.0634445236830.3172864714118892511228WETL
2019-10-25 20:02:13FORECAST20202910936.4622.0629.2621.4864252615990.00260.00267.587.5826TT4.46157.4665346.344366496977.4417023455130.31762416347625892511228WETL
2019-10-25 20:00:15FORECAST20202910936.4722.0729.2721.47379649510.00260.00267.587.5826TT4.47157.4765346.336297200667.43715516495330.3179620072254892511228WETL
2019-10-25 00:01:18FORECAST20202910945.9932.6239.30519.3897448313840.00040.00047.557.5504TT13.99172.9965345.001116180416.6894836092810.66587770711714893511229WETL
2019-10-24 20:02:15FORECAST20202910944.8631.7538.30520.6803262012830.00040.00047.537.5304TT12.86190.8665345.828780798547.15185199670570.62608288724564893511229WETL
2019-10-24 20:00:11FORECAST20202910944.8731.7538.3120.5540369412610.00040.00047.537.5304TT12.87191.8765345.747909753667.10651530944050.62644177005587893511229WETL
2019-10-24 16:02:14FORECAST20202910944.0830.9137.49520.6553171618570.00040.00047.537.5304TT12.08191.0865345.812767979947.14287240124530.59777654848263893511229WETL
2019-10-24 16:00:11FORECAST20202910944.0930.9137.520.640592017860.00040.00047.537.5304TT12.09191.0965345.803339270817.13758564430250.59814306824999893511229WETL
2019-10-24 12:01:15FORECAST20202910953.337.9645.6318.1546691269420.0010.0017.537.531TT21.3199.365344.206503306726.24895517887530.868941919806178955212212WETL
2019-10-24 08:00:12FORECAST20202910953.337.9645.6317.9922321498930.0010.0017.387.381TT21.3199.365344.101810330646.19115965466740.868941919806178955212212WETL
2019-10-23 20:01:15FORECAST20202910940.4429.134.7719.4589358555580.00230.00237.377.3723TT8.44193.4465345.045558040346.71421938115230.46125605276882892511228WETL
2019-10-23 16:00:12FORECAST20202910940.4329.6535.0419.3439777366210.00230.00237.377.3723TT8.43191.4365344.97171537576.67312518199150.46087988269353892511228WETL
2019-10-23 12:01:14FORECAST20202910945.8833.139.4918.373885515301007.357.35TT13.88193.8865344.347722967966.32700563926790.66207629492488893511229WETL
2019-10-23 00:00:14FORECAST20202910954.438.8846.6416.7402503316950.00060.00067.397.3906TT22.4214.465343.293438861415.74681810376850.889854791703338955212212WETL
2019-10-22 20:01:14FORECAST20202910954.4239.6347.02516.8676219768930.00060.00067.487.4806TT22.42225.4265343.375796865985.79193313754990.890211549044248955212212WETL
2019-10-22 16:01:13FORECAST20202910956.1538.2247.18516.993976030608007.447.44TT24.15226.1565343.457470577815.83670802253260.918017921823858955212212WETL
2019-10-22 12:00:12FORECAST20202910934.2827.7331.00518.5855280256190.00040.00047.437.4304TT2.28193.2865344.483988936936.40241683076430.24796266997804891511227WETL
2019-10-22 09:12:23FORECAST20202910929.2627.8228.5418.5379760195910.00040.00047.427.4204TT-2.74191.2665344.45337897166.38546847924260.12367381470559891511227WETL
2019-10-22 08:00:12FORECAST20202910928.5827.8328.2050007.417.41TT-3.42190.5865332.2340501299800.110980863840368915115217.5WETL
2019-10-22 04:00:12FORECAST20202910926.6926.3326.510007.637.63TT-5.31174.6965332.2340501299800.0806482264758168915115217.5WETL