MOUNT RAINIER
GEOLOGY & WEATHER
Hello guest! [ Log In ]
MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Friday, October 14, 2022

[ Thursday, October 13, 2022 | Index | Today | Saturday, October 15, 2022 ]

DAY 14 OF WATER YEAR 2023, FORECAST LAST UPDATED 10/15/2022 04:00:11 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): 67.18°F
MINIMUM TEMPERATURE (Tmin): 55.33°F
AVERAGE TEMPERATURE (Tavg): 61.25°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.970
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: 35
18-DAY CUMULATIVE DD32: 615

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): 0.35 in
18-DAY TOTAL (P18): 0.35 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: 80
CALCULATED SNOW DENSITY: 346.95 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: 94

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 5
D1: 4
D2: 5
D3: 1
D4: 5
D5: 2
HSdry: 35.0

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
2022-10-15 04:00:11OBSERVATION2023149467.1799255.3299861.254950000.350.35FF35.17992615.1799280346.95351932015 00.9695656100340216 54515235DRYL
2022-10-15 00:00:02FORECAST2023149456.5656.5656.560000.350.35FF24.56604.5679345.9981085628100.793932393239891644515232.5DRYL
2022-10-14 12:00:02FORECAST2023149470.757.6764.18500.00010.00010.350.3501FF38.7618.779345.9981085628100.986962406190671654515170DRYH
2022-10-14 08:00:02FORECAST2023149471.1454.9563.04500.00140.00140.350.3514FF39.14619.1479345.9981085628100.988364448629591654515170DRYH
2022-10-14 04:00:08FORECAST2023149471.355.1563.2250000.350.35FF39.3619.379345.9981085628100.988840842826161654515170DRYH
2022-10-14 00:00:03FORECAST2023149471.4855.663.540000.350.35FF39.48604.4880346.9535193201500.989356454621121654515170DRYH
2022-10-13 20:00:02FORECAST2023149471.3355.8463.5850000.350.35FF39.33620.3380346.9535193201500.988928255761931654515170DRYH
2022-10-13 16:00:02FORECAST2023149471.2156.0863.6450000.350.35FF39.21620.2180346.9535193201500.988574998675511654515170DRYH
2022-10-13 12:00:04FORECAST2023149471.2256.1763.6950000.350.35FF39.22620.2280346.9535193201500.988604805771571654515170DRYH
2022-10-13 08:00:01FORECAST2023149471.4956.2463.8650000.350.35FF39.49620.4980346.9535193201500.989384481931511654515170DRYH
2022-10-13 04:00:13FORECAST2023149471.4756.4463.9550000.350.35FF39.47616.4780346.9535193201500.989328362959851654515170DRYH
2022-10-13 00:00:03FORECAST202314947256.6364.3150000.350.35FF4060680346.9535193201500.990731295925141654515170DRYH
2022-10-12 20:00:04FORECAST2023149471.5356.3663.9450000.350.35FF39.53618.5380346.9535193201500.989495950046371654515170DRYH
2022-10-12 16:00:02FORECAST2023149471.3556.2363.790000.350.35FF39.35618.3580346.9535193201500.988986200068611654515170DRYH
2022-10-12 12:00:03FORECAST2023149471.0356.1463.5850000.350.35FF39.03618.0380346.9535193201500.988026787345371654515170DRYH
2022-10-12 08:00:04FORECAST2023149470.9755.9563.460000.350.35FF38.97616.9780346.9535193201500.987839056061331654515170DRYH
2022-10-12 04:00:09FORECAST2023149471.7355.9263.8250000.350.35FF39.73613.7380346.9535193201500.990038139909921654515170DRYH
2022-10-12 00:00:04FORECAST2023149470.7155.8563.280000.350.35FF38.71607.7180346.9535193201500.986995822153151654515170DRYH
2022-10-11 20:00:03FORECAST2023149471.7955.1863.4850000.350.35FF39.79618.7980346.9535193201500.990195964186661654515170DRYH
2022-10-11 16:00:03FORECAST2023149467.5355.5261.5250000.350.35FF35.53614.5380346.9535193201500.971887899729641654515235DRYL
2022-10-11 12:00:04FORECAST2023149467.153.960.50000.350.35FF35.1614.180346.9535193201500.9690138043571654515235DRYL
2022-10-11 08:00:03FORECAST2023149472.875563.9350000.350.35FF40.87619.8780346.9535193201500.992686207491591654515170DRYH
2022-10-11 04:00:04FORECAST2023149473.125564.060000.350.35FF41.12615.1280346.9535193201500.993176162565291654515170DRYH
2022-10-11 00:00:09FORECAST2023149475.5556.0465.7950000.350.35FF43.55603.5580346.9535193201500.99662360808561654515170DRYH
2022-10-10 20:00:04FORECAST2023149473.4453.3863.410000.370.37FF41.44620.4480346.9535193201500.993760886377981654515170DRYH
2022-10-10 16:00:02FORECAST2023149469.1851.960.540000.370.37FF37.18615.1880346.9535193201500.980942361587471654515170DRYH
2022-10-10 12:00:03FORECAST2023149471.4553.1362.290000.370.37FF39.45613.4580346.9535193201500.989271986107131654515170DRYH
2022-10-10 08:00:04FORECAST2023149476.3455.1265.730000.380.38FF44.34617.3480346.9535193201500.997344942662931654515170DRYH
2022-10-10 04:00:17FORECAST2023149476.3455.1265.730000.380.38FF44.34618.3480346.9535193201500.997344942662931654515170DRYH
2022-10-10 00:00:06FORECAST2023149476.1156.4966.30000.390.39FF44.11618.1180346.9535193201500.997150832763131654515170DRYH
2022-10-09 20:00:05FORECAST2023149474.4956.4965.490000.390.39FF42.49627.4980346.9535193201500.995380216927361654515170DRYH
2022-10-09 16:00:05FORECAST2023149474.4556.1465.2950000.380.38FF42.45623.4580346.9535193201500.995326169712671654515170DRYH
2022-10-09 12:00:04FORECAST2023149476.9458.1167.5250000.380.38FF44.94627.9480346.9535193201500.99779633377091654515170DRYH
2022-10-09 08:00:05FORECAST2023149475.2656.4465.850000.380.38FF43.26616.2680346.9535193201500.996317449776741654515170DRYH
2022-10-09 04:00:04FORECAST2023149475.2356.4465.8350000.370.37FF43.23630.2380346.9535193201500.996284397604431654515170DRYH
2022-10-09 00:00:05FORECAST2023149473.1154.0963.60000.380.38FF41.11616.1180346.9535193201500.993157135113411654515170DRYH
2022-10-08 20:00:03FORECAST2023149466.0752.9859.5250000.390.39FF34.07626.0780346.9535193201500.961134868668891654515235DRYL
2022-10-08 16:00:08FORECAST2023149466.0252.9859.50000.380.38FF34.02625.0280346.9535193201500.960714364697861654515235DRYL
2022-10-08 12:00:06FORECAST2023149464.3951.8858.1350000.380.38FF32.39616.3980346.9535193201500.944864377863891654515235DRYL
2022-10-08 08:00:02FORECAST2023149464.3451.8858.110000.380.38FF32.34613.3480346.9535193201500.944308343031111654515235DRYL
2022-10-08 04:00:12FORECAST2023149474.3757.6966.030000.380.38FF42.37626.3780346.9535193201500.9952163801581654515170DRYH
2022-10-08 00:00:03FORECAST2023149470.7657.2864.020000.380.38FF38.76615.7680346.9535193201500.987161795194071654515170DRYH
2022-10-07 20:00:03FORECAST2023149474.6356.6965.660000.390.39FF42.63628.6380346.9535193201500.995565016762771654515170DRYH
2022-10-07 16:00:06FORECAST2023149474.6256.6765.6450000.390.39FF42.62629.6280346.9535193201500.995552039161351654515170DRYH
2022-10-07 12:00:05FORECAST2023149467.3455.261.270000.390.39FF35.34624.3480346.9535193201500.970646472158261654515235DRYL
2022-10-07 08:00:04FORECAST2023149458.2957.1657.7250000.390.39FF26.29618.2980346.9535193201500.839304759768781644515232.5DRYL
2022-10-07 04:00:12FORECAST2023149457.8757.6757.770000.40.4FF25.87617.8780346.9535193201500.828936729322171644515232.5DRYL