MOUNT RAINIER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Sunday, August 28, 2022

[ Saturday, August 27, 2022 | Index | Today | Monday, August 29, 2022 ]

DAY 332 OF WATER YEAR 2022, FORECAST LAST UPDATED 08/29/2022 04:00:05 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): 61.69°F
MINIMUM TEMPERATURE (Tmin): 39.62°F
AVERAGE TEMPERATURE (Tavg): 50.65°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.500
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: 30
18-DAY CUMULATIVE DD32: 653

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): 0.00 in
DAY 4-15 (P15): 0.02 in
18-DAY TOTAL (P18): 0.02 in

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

PRECIP THRESHOLD B (PB) EXCEEDED: False
P3 > (-0.67 * P15 + 4.5)
Snow at Paradise DEPTH: 0 in
SWE DAY: 239
CALCULATED SNOW DENSITY: 460.75 kg/m3
CALCULATED SWE: 0.00 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: 47

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 3
D1: 3
D2: 5
D3: 1
D4: 5
D5: 2
HSdry: 27.5

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
2022-08-29 04:00:05OBSERVATION20223324761.6899239.6199450.654930000.020.02FF29.68992652.68992239460.75487221801 00.4999697621341816 33515227.5DRYL
2022-08-29 00:00:02FORECAST20223324752.5752.5752.570000.020.02FF20.57643.57240461.2750347688100.194224075144741613515222.5DRYL
2022-08-28 12:00:01FORECAST20223324760.4352.8356.630000.020.02FF28.43651.43240461.2750347688100.452558504999821623515225DRYL
2022-08-28 08:00:01FORECAST20223324760.8541.0350.9400.01750.01750.020.0375FF28.85651.85240461.2750347688100.468321712691491623515225DRYL
2022-08-28 04:00:06FORECAST20223324761.1941.3951.2900.00090.00090.020.0209FF29.19652.19240461.2750347688100.48112005262971623515225DRYL
2022-08-28 00:00:03FORECAST20223324761.5441.8851.7100.00220.00220.020.0222FF29.54645.54239460.7548722180100.494315038111211623515225DRYL
2022-08-27 20:00:02FORECAST20223324761.0644.2152.63500.00120.02120.020.0412FF29.06652.06239460.7548722180100.476223550038291623515225DRYL
2022-08-27 16:00:02FORECAST20223324761.244.4252.8100.00060.02060.020.0406FF29.2652.2239460.7548722180100.481496834135091623515225DRYL
2022-08-27 12:00:04FORECAST20223324760.8943.8652.37500.00070.02070.020.0407FF28.89651.89239460.7548722180100.469825958516721623515225DRYL
2022-08-27 08:00:02FORECAST20223324760.2144.1652.185000.010.020.03FF28.21648.21239460.7548722180100.44432974366521623515225DRYL
2022-08-27 04:00:07FORECAST20223324760.2644.752.48000.020.020.04FF28.26652.26239460.7548722180100.446197941031981623515225DRYL
2022-08-27 00:00:03FORECAST20223324760.7644.5552.655000.030.020.05FF28.76637.76239460.7548722180100.464938845248211623515225DRYL
2022-08-26 20:00:03FORECAST20223324756.8143.5850.195000.060.020.08FF24.81644.81239460.7548722180100.322230423302161623515225DRYL
2022-08-26 16:00:02FORECAST20223324760.244.0352.11500.00380.13380.020.1538FF28.2648.2239460.7548722180100.443956251197331623525250DRYMH
2022-08-26 12:00:04FORECAST20223324759.743.8351.76500.00370.13370.020.1537FF27.7646.7239460.7548722180100.425351855012721623525250DRYMH
2022-08-26 08:00:03FORECAST20223324759.2743.4951.3800.00030.10030.020.1203FF27.27645.27239460.7548722180100.409482364787051623525250DRYMH
2022-08-26 04:00:08FORECAST20223324759.3643.5151.43500.00030.09030.020.1103FF27.36645.36239460.7548722180100.412792553565991623525250DRYMH
2022-08-26 00:00:03FORECAST20223324759.2643.9851.6200.00120.09120.020.1112FF27.26628.26239460.7548722180100.409114959378431623525250DRYMH
2022-08-25 20:00:03FORECAST20223324756.4144.1950.300.00080.10080.030.1308FF24.41641.41239460.7548722180100.308786762759481623525250DRYMH
2022-08-25 16:00:03FORECAST20223324761.1942.952.04500.00270.11270.030.1427FF29.19645.19239460.7548722180100.48112005262971623525250DRYMH
2022-08-25 12:00:02FORECAST20223324760.8744.3952.6300.00270.12270.030.1527FF28.87645.87239460.7548722180100.469073780423351623525250DRYMH
2022-08-25 08:00:15FORECAST20223324759.1544.9152.0300.00990.10990.030.1399FF27.15642.15239460.7548722180100.405078835656011623525250DRYMH
2022-08-25 04:00:05FORECAST20223324761.6845.3853.5300.00640.11640.030.1464FF29.68645.68239460.7548722180100.499595584167931633525255DRYH
2022-08-25 00:00:04FORECAST20223324761.2945.4853.38500.00690.08690.040.1269FF29.29633.29239460.7548722180100.484888571140521623515225DRYL
2022-08-24 20:00:03FORECAST20223324760.8545.2853.06500.00040.06040.060.1204FF28.85646.85239460.7548722180100.468321712691491623515225DRYL
2022-08-24 16:00:04FORECAST20223324760.2945.2852.78500.00050.06050.060.1205FF28.29647.29239460.7548722180100.447319435677481623515225DRYL
2022-08-24 12:00:04FORECAST20223324762.3147.1654.735000.060.080.14FF30.31650.31239460.7548722180100.523345566752591633515227.5DRYL
2022-08-24 08:00:03FORECAST20223324759.546.6453.07000.060.10.16FF27.5641.5239460.7548722180100.417953999059631623515225DRYL
2022-08-24 04:00:08FORECAST20223324759.546.6553.075000.050.10.15FF27.5643.5239460.7548722180100.417953999059631623515225DRYL
2022-08-24 00:00:04FORECAST20223324765.0848.5856.83000.050.10.15FF33.08639.08239460.7548722180100.62568761136291633515227.5DRYL
2022-08-23 20:00:07FORECAST20223324765.9946.3756.18000.040.070.11FF33.99657.99239460.7548722180100.657810235721031633515227.5DRYL
2022-08-23 16:00:03FORECAST20223324765.9848.3657.17000.040.080.12FF33.98656.98239460.7548722180100.657462875508251633515227.5DRYL
2022-08-23 12:00:04FORECAST20223324760.9443.752.32000.050.060.11FF28.94642.94239460.7548722180100.471706869033081623515225DRYL
2022-08-23 08:00:04FORECAST20223324760.9643.7152.335000.050.070.12FF28.96638.96239460.7548722180100.472459412329191623515225DRYL
2022-08-23 04:00:09FORECAST20223324761.0843.7452.4100.00140.05140.050.1014FF29.08640.08239460.7548722180100.476976643061181623515225DRYL
2022-08-23 00:00:03FORECAST20223324763.6648.9356.295000.010.110.12FF31.66637.66239460.7548722180100.573853362254531633515227.5DRYL
2022-08-22 20:00:04FORECAST20223324765.1749.8457.5050000.110.11FF33.17654.17239460.7548722180100.628908068436041633515227.5DRYL
2022-08-22 16:00:03FORECAST20223324765.1849.8257.50000.120.12FF33.18654.18239460.7548722180100.629265345312291633515227.5DRYL
2022-08-22 12:00:04FORECAST20223324761.4145.8653.63500.00250.03250.120.1525FF29.41643.41239460.7548722180100.489412546002371623515225DRYL
2022-08-22 08:00:04FORECAST20223324762.0946.5854.335000.010.110.12FF30.09640.09239460.7548722180100.515057027177121633515227.5DRYL
2022-08-22 04:00:10FORECAST20223324762.1146.5854.345000.010.050.06FF30.11644.11239460.7548722180100.515810853649181633515227.5DRYL
2022-08-22 00:00:04FORECAST20223324762.548.155.300.00320.00320.090.0932FF30.5635.5239460.7548722180100.530495862972981633515227.5DRYL
2022-08-21 20:00:04FORECAST20223324761.0547.6454.34500.00750.00750.080.0875FF29.05646.05239460.7548722180100.475847035203361623515225DRYL
2022-08-21 16:00:04FORECAST20223324760.9547.5954.2700.00160.00160.090.0916FF28.95642.95239460.7548722180100.472083128223621623515225DRYL
2022-08-21 12:00:04FORECAST20223324757.9248.3253.120000.110.11FF25.92638.92239460.7548722180100.360726064158491623515225DRYL
2022-08-21 08:00:04FORECAST20223324750.0448.4149.2250000.120.12FF18.04630.04239460.7548722180100.135270882762071613515222.5DRYL
2022-08-21 04:00:09FORECAST20223324749.3248.5848.950000.040.04FF17.32632.32239460.7548722180100.121006495329991613515222.5DRYL