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

Daily Debris Flow Hazard (DFH) for Tuesday, March 8, 2022

[ Monday, March 7, 2022 | Index | Today | Wednesday, March 9, 2022 ]

DAY 159 OF WATER YEAR 2022, FORECAST LAST UPDATED 03/09/2022 07:00:05 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:

WET

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 29.58°F
MINIMUM TEMPERATURE (Tmin): 24.41°F
AVERAGE TEMPERATURE (Tavg): 27.00°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.251
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: -2
18-DAY CUMULATIVE DD32: -235

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: 0.49 in
DAY 1-3 (P3): 0.52 in
DAY 4-15 (P15): 6.22 in
18-DAY TOTAL (P18): 6.74 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: 123 in
SWE DAY: 67
CALCULATED SNOW DENSITY: 405.13 kg/m3
CALCULATED SWE: 49.94 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: -125

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: 3
D4: 1
D5: 2
HSdry: 6.0

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
2022-03-09 07:00:05OBSERVATION2022159-12529.5800824.4099426.99501123.278952916670.490000000000010.520000000000016.226.74TT-2.41992-235.4199267405.12742010418 49.9436841482730.2509541792933516 2113126WETL
2022-03-09 03:00:04OBSERVATION2022159-12529.5800824.4099426.99501123.278952916670.490000000000010.520000000000016.226.74TT-2.41992-235.4199267405.12742010418 49.9436841482730.2509541792933516 2113126WETL
2022-03-08 11:00:01FORECAST2022159-12532.6823.8428.26122.125647718010.2880.3186.226.538TF0.68-232.3267404.5618850997149.4073822598220.38483901409571162112124WETL
2022-03-08 07:00:05FORECAST2022159-12531.4624.127.78122.952698855340.40960.43966.226.6596TT-0.54-233.5467404.9676060893149.7918601176650.32930695913205162112124WETL
2022-03-08 03:00:05FORECAST2022159-12530.623.4127.005123.195090261330.4620.4926.226.712TT-1.4-234.467405.0863530225749.9046498242480.29222831796106162113126WETL
2022-03-07 23:00:01FORECAST2022159-12531.0823.6727.375123.991704845510.49890.50896.226.7289TT-0.92-228.9267405.4760979190450.2756726550870.31268692333919162113126WETL
2022-03-07 19:00:02FORECAST2022159-12531.2523.0927.17123.863696215610.47570.48576.226.7057TT-0.75-228.7567405.4135226697150.2160174136610.32007782734092162112124WETL
2022-03-07 15:00:02FORECAST2022159-12531.0123.5427.275123.644729845840.45860.46866.226.6886TT-0.99-228.9967405.3064368077250.1140048838710.30966512632225162112124WETL
2022-03-07 11:00:03FORECAST2022159-12530.9322.5826.755123.723688265380.49210.50216.226.7221TT-1.07-229.0767405.3450584184750.150785647680.30622732594484162113126WETL
2022-03-07 07:00:05FORECAST2022159-12530.6122.3526.48123.690704800940.50440.51446.226.7344TT-1.39-230.3967405.3289258748750.1354205176720.2926481298823162113126WETL
2022-03-07 03:00:05FORECAST2022159-12530.2721.8226.045123.883773796760.53690.55696.226.7769TT-1.73-229.7367405.423338663150.2253731788650.27853422092617162113126WETL
2022-03-06 23:00:02FORECAST2022159-12530.7322.6626.695125.10089486990.57140.58146.226.8014TT-1.27-226.2767406.017459029650.7931474574060.29770755959054162113126WETL
2022-03-06 19:00:02FORECAST2022159-12527.9121.7824.845125.610427795160.6910.7016.226.921TT-4.09-229.0967406.2656353982551.0312002608470.19063442594286161113124.5WETL
2022-03-06 15:00:02FORECAST2022159-12530.2623.4626.86125.28918424160.61540.62546.226.8454TT-1.74-226.7467406.1092058740750.8810911169670.27812417066575162113126WETL
2022-03-06 11:00:02FORECAST2022159-12530.3223.5626.94125.412269370480.69790.70796.226.9279TT-1.68-226.6867406.1691572524250.9385957593220.28058887298815162113126WETL
2022-03-06 07:00:06FORECAST2022159-12530.5422.726.62125.523947488120.72650.73656.226.9565TT-1.46-226.4667406.2235363740150.9907818482470.2897153436733162113126WETL
2022-03-06 03:00:07FORECAST2022159-12529.9622.6826.32126.224910092390.95170.96176.227.1817TT-2.04-226.0467406.5645021526551.3185677309770.26596127377347162113126WETL
2022-03-05 23:00:02FORECAST2022159-12528.5324.9726.75127.547231973941.01891.02896.227.2489TT-3.47-222.4767407.2060622198451.9380060791470.21191493529664161114126WETL
2022-03-05 19:00:02FORECAST2022159-12530.6325.8828.255126.624347824330.93260.94266.227.1626TT-1.37-220.3767406.7585273177251.505533243590.29348859225259162113126WETL
2022-03-05 15:00:02FORECAST2022159-12531.5726.1728.87126.560119339051.03081.04086.227.2608TT-0.43-218.4367406.7273418867351.4754609276410.33418353197324162114128WETL
2022-03-05 11:00:02FORECAST2022159-12531.4126.9329.17126.118418114810.97071.00076.227.2207TT-0.59-218.5967406.5127408858451.2687438240360.32709982873923162114128WETL
2022-03-05 07:00:05FORECAST2022159-12532.6427.1929.915125.174938799150.63090.66096.236.8909TT0.64-217.3667406.0535432889950.8277274303780.38297282593328162113126WETL
2022-03-05 03:00:05FORECAST2022159-12534.3628.7331.545124.049532358930.51180.53186.236.7618TT2.36-215.6467405.5043594287250.302626156640.46510699866593162113126WETL
2022-03-04 23:00:03FORECAST2022159-12532.2425.3228.781.49636593965810.49070.54076.246.7807TT0.24-212.7667335.245646506960.501650166851660.364466689596161621134224WETL
2022-03-04 19:00:03FORECAST2022159-12534.4525.2129.831.75494859763330.51520.58526.246.8252TT2.45-211.5567335.41810123320.588641526380040.469478172426641621134224WETL
2022-03-04 15:00:03FORECAST2022159-12534.5225.2829.91.5678869374840.50350.57356.256.8235TT2.52-210.4867335.293356838890.525702074412870.472880546511151621134224WETL
2022-03-04 11:00:03FORECAST2022159-12534.5127.6231.0651.66195051639740.58740.58746.256.8374TT2.51-208.4967335.356091714820.557345229802460.472394366084391621134224WETL
2022-03-04 07:00:06FORECAST2022159-12532.3529.6330.99NAN0.39320.39326.266.6532TT0.35-215.6567NANNAN0.369526558771361621125220WETL
2022-03-04 03:00:07FORECAST2022159-12532.3929.6631.025NAN0.39320.39326.276.6632TT0.39-208.6167NANNAN0.371372179433481621125220WETL
2022-03-03 23:00:02FORECAST2022159-12541.3129.3135.31123.648407034170.32650.32656.366.6865TT9.31-174.6967405.3082356344450.1157176940290.776804301491164112126WETL
2022-03-03 19:00:02FORECAST2022159-12541.728.0634.88123.332436653670.14420.14426.366.5042TF9.7-176.367405.1536062282949.9685814751570.79077125997456164112126WETL
2022-03-03 15:00:03FORECAST2022159-12541.7228.0234.87123.281670414970.14420.14426.366.5042TF9.72-174.2867405.1287507018549.9449491196550.79147339447073164112126WETL
2022-03-03 11:00:03FORECAST2022159-12535.7326.7731.25124.569297585790.24070.24076.366.6007TT3.73-178.2767405.7581932676450.545013125030.53179248597987163112125WETL
2022-03-03 07:00:06FORECAST2022159-12531.7926.529.145123.864106326790.13640.13644.154.2864TF-0.21-183.2167405.4137231793850.2162085142330.34402035195717162112124WETL
2022-03-03 03:00:06FORECAST2022159-12531.9526.5629.255123.903362297530.14010.14014.174.3101TF-0.050000000000001-178.0567405.4329150611150.2345013621610.35124173383221162112124WETL
2022-03-02 23:00:03FORECAST2022159-12542.7927.4735.13124.82005268902004.34.3TF10.79-158.2167405.8805328713650.662029498450.82698351740264164111123WETL
2022-03-02 19:00:03FORECAST2022159-12542.8128.6235.715124.829863735590.00020.00024.34.3002TF10.81-160.1967405.8853179480550.6666089317310.82760840172277164111123WETL
2022-03-02 15:00:03FORECAST2022159-12542.7528.3735.56124.737463409080.00020.00024.314.3102TF10.75-155.2567405.8402474222450.6234830127640.82572943637921164111123WETL
2022-03-02 11:00:04FORECAST2022159-12549.3729.1339.25126.09804017860.27280.27284.334.6028TF17.37-154.6367406.5028344329751.2592107490460.95974976046334165112127WETL
2022-03-02 07:00:07FORECAST2022159-12550.9629.3940.175125.466206455220.09880.09884.254.3488TF18.96-152.0467406.1954226160950.9637987551170.9739864103429165112127WETL
2022-03-02 03:00:07FORECAST2022159-12550.6829.4140.045125.326088896420.09880.09884.234.3288TF18.68-139.3267406.1271830830550.898331450320.97183886649428165112127WETL
2022-03-01 23:00:03FORECAST2022159-12543.4730.4536.96129.981273768330.1660.1664.344.506TF11.47-143.5367408.381384099153.0819324884760.84742131243173164112126WETL
2022-03-01 19:00:03FORECAST2022159-12543.4530.1336.79129.821193825910.05060.08064.324.4006TF11.45-147.5567408.3043095828353.0065529143090.84684399505426164111123WETL
2022-03-01 15:00:03FORECAST2022159-12543.4930.1336.81130.103004957330.03470.06474.434.4947TF11.49-142.5167408.4399736699653.1392679191530.84799718801482164111123WETL
2022-03-01 11:00:04FORECAST2022159-12536.2930.3133.3131.651982334650.10560.10564.474.5756TF4.29-166.7167409.1839212242453.8698743686340.55890089973292163112125WETL
2022-03-01 07:00:07FORECAST2022159-12530.9729.630.285132.409735492210.04970.04974.694.7397TF-1.03-176.0367409.5467924240154.2279824565470.30794412108025162111122WETL
2022-03-01 03:00:06FORECAST2022159-1253431.0732.535131.586612978720.00450.00454.744.7445TF2-16767409.1525845515253.8390027926230.44766959031964162111122WETL