MOUNT RAINIER
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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Thursday, November 10, 2022

[ Wednesday, November 9, 2022 | Index | Today | Friday, November 11, 2022 ]

DAY 41 OF WATER YEAR 2023, FORECAST LAST UPDATED 11/11/2022 07:00:07 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): 25.73°F
MINIMUM TEMPERATURE (Tmin): 18.52°F
AVERAGE TEMPERATURE (Tavg): 22.13°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.091
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: -6
18-DAY CUMULATIVE DD32: 6

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): 17.13 in
18-DAY TOTAL (P18): 17.13 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: 30 in
SWE DAY: 52
CALCULATED SNOW DENSITY: 339.11 kg/m3
CALCULATED SWE: 10.10 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: 121

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: 1
D5: 2
HSdry: 3.5

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
2022-11-11 07:00:07OBSERVATION20234112125.7300618.5199822.1250229.77356250017.1317.13TT-6.269945.7300652339.11053795675 10.0965287962640.09074509669017216 1511123.5WETL
2022-11-11 03:00:05OBSERVATION20234112125.7300618.5199822.1250229.77356250017.1317.13TT-6.269945.7300652339.11053795675 10.0965287962640.09074509669017216 1511123.5WETL
2022-11-10 11:00:01FORECAST20234112139.4826.3232.930.8394261819510.00160.001617.1317.1316TT7.4819.4852339.8102095148910.4795518722080.56293781866642163511124.5WETL
2022-11-10 07:00:07FORECAST20234112141.362030.6830.8285063834830.00270.002717.1317.1327TT9.3621.3652339.8030509628310.4756205257340.64158366910061163511124.5WETL
2022-11-10 03:00:15FORECAST20234112141.2720.4430.85530.9070559419450.00420.004217.1317.1342TT9.2721.2752339.8545402657210.5039032881160.63792428020643163511124.5WETL
2022-11-09 23:00:01FORECAST20234112141.1319.6730.432.7345386666670.00020.000217.1317.1302TT9.1327.1352341.0495615858211.1641000609810.63220687647435163511124.5WETL
2022-11-09 19:00:01FORECAST20234112141.219.6830.4432.7322426666670.00050.000517.1317.1305TT9.227.252341.0480636707911.1632679810690.63506933074247163511124.5WETL
2022-11-09 15:00:02FORECAST20234112141.327.1934.24532.7807320017.1317.13TT9.327.352341.0796963538211.1808421168160.63914549664926163511124.5WETL
2022-11-09 11:00:05FORECAST20234112141.2925.5233.40532.4889057071570.00160.001617.1317.1316TT9.2927.2952340.8892606138311.0751190446650.63873858131888163511124.5WETL
2022-11-09 07:00:24FORECAST20234112141.6425.8233.7332.5261677737370.00150.001517.1317.1315TT9.6425.6452340.91358441111.0886124428980.65288426814621163511124.5WETL
2022-11-09 03:00:18FORECAST20234112141.6626.8334.24532.3298520750960.00030.000317.1317.1303TT9.6627.6652340.7854082686611.0175418386770.65368641986106163511124.5WETL
2022-11-08 23:00:04FORECAST20234112142.1626.2834.2233.4403226666670.00020.000217.1317.1302TT10.1636.1652341.5096026685311.4201913070010.67350834767561163511124.5WETL
2022-11-08 19:00:04FORECAST20234112142.2623.2932.77533.4796826666670017.1317.13TT10.2635.2652341.5352338634211.4344912492330.67741685404776163511124.5WETL
2022-11-08 15:00:03FORECAST20234112141.1522.0931.6233.7195296534830.0020.00217.1317.132TT9.1535.1552341.6913666240411.5216721692190.63302547785186163511124.5WETL
2022-11-08 11:00:05FORECAST20234112141.522.2831.8933.6836856116520.0020.00217.1317.132TT9.535.552341.6680393376111.5086388205980.64725020081762163511124.5WETL
2022-11-08 07:00:12FORECAST20234112142.5328.635.56533.4962824194860017.1317.13TT10.5331.5352341.5460428385911.4405227101790.68787144139861163511124.5WETL
2022-11-08 03:00:12FORECAST20234112142.1328.6635.39533.53493281084900.0117.1317.14TT10.1328.1352341.5712083824511.4545675232260.67233204904291163511124.5WETL
2022-11-07 23:00:09FORECAST20234112140.726.9933.84527.79431174817500.0117.0917.1TT8.726.752337.806250721399.38909224303260.6144673754942163511229WETL
2022-11-07 19:00:01FORECAST20234112141.7627.7534.75527.7218931165200.0117.0917.1TT9.7636.7652337.758403812079.36330236968460.65768678908148163511229WETL
2022-11-07 15:00:04FORECAST20234112140.5623.3531.95527.7676930744070.00170.021717.0917.1117TT8.5635.5652337.788664816219.37961196863030.60863761587632163511229WETL
2022-11-07 11:00:04FORECAST20234112140.9923.7532.3728.8246643902010.00110.011117.0917.1011TT8.9935.9952338.486051017799.75674682135240.62646003914806163511229WETL
2022-11-07 07:00:09FORECAST2023411214127.634.328.9357997615380.00150.021517.0917.1115TT93752338.559269049679.79648321663390.62687147852262163511229WETL
2022-11-07 03:00:32FORECAST20234112136.9321.0428.98529.5140636227610.00430.024317.1617.1843TT4.9330.9352338.9399065689410.0034939667680.45277662306597162511124WETL
2022-11-06 23:00:03FORECAST20234112137.4323.6830.55521.0482629210660.00580.055816.6716.7258TT5.4338.4352333.31115199017.01562076161120.47435708775507162511228WETL
2022-11-06 19:00:06FORECAST20234112137.5924.8931.2421.1328174050660.0110.04116.6816.721TT5.5934.5952333.367971209137.04500446425960.4812818313067162511228WETL
2022-11-06 15:00:04FORECAST20234112137.5925.5631.57521.0329019866180.00910.049116.6516.6991TT5.5933.5952333.300828385557.0102836554920.4812818313067162511228WETL
2022-11-06 11:00:06FORECAST20234112137.8319.1928.5122.5634983609800.0916.6216.71TT5.8336.8352334.327517468387.54359839242840.49167889192023162511228WETL
2022-11-06 07:00:06FORECAST20234112129.1722.1325.6524.55349073399400.0417.0317.07TT-2.8328.1752335.656404519868.24153641818390.16803745326901161511227WETL
2022-11-06 03:00:13FORECAST20234112138.2622.1330.19526.01571298963700.0917.2517.34TT6.2637.2652336.628582437448.75763258480070.51031643847411163511229WETL
2022-11-06 00:00:11FORECAST20234112138.9118.5328.7230.27967483807700.0716.7516.82TT6.9126.9152339.4430046246510.2782238060940.5384336299017163511124.5WETL
2022-11-05 20:00:08FORECAST20234112138.9119.5929.2528.79237234161600.0817.4117.49TT6.9125.9152338.464772545239.74520375564260.5384336299017163511229WETL
2022-11-05 16:00:06FORECAST20234112138.2623.7230.9928.44938019016100.0417.3717.41TT6.2623.2652338.238654075389.62268006479890.51031643847411163511229WETL
2022-11-05 12:00:04FORECAST20234112140.2221.0830.6530.747373659680.02970.069717.3417.4097TT8.2219.2252339.7498576065110.446415822650.59438012396561163511124.5WETL
2022-11-05 08:00:03FORECAST20234112140.2821.330.7933.1950043112450.02970.089717.7717.8597TT8.2813.2852341.349793817211.3311078774040.59690585423675163511124.5WETL
2022-11-05 04:00:12FORECAST20234112139.7828.0133.89533.3470660909980.02980.089817.7917.8798TT7.7825.7852341.4488638453211.3863178293460.57574446056474163511124.5WETL
2022-11-05 00:00:06FORECAST20234112140.6223.2531.93528.1888238499770.01830.08839.879.9583TT8.6231.6252338.066749916099.52970406291870.61113915689021163511229WETL
2022-11-04 20:00:04FORECAST20234112140.4721.9331.228.09214419050.01840.078413.6413.7184TT8.4736.4752338.002935782159.49522720880440.6048768973948163511229WETL
2022-11-04 16:00:06FORECAST20234112140.5622.3231.4427.515649670130.01840.078413.8413.9184TT8.5638.5652337.622090762489.28989117031710.60863761587632163511229WETL
2022-11-04 12:00:04FORECAST20234112141.5526.2733.9126.5213183463260.080.113.7913.89TT9.5539.5552336.963901656388.93672690704910.649266152516461635122218WETL
2022-11-04 08:00:04FORECAST20234112141.8327.1934.5126.0309260279590.09510.105114.8514.9551TT9.8327.8352336.638678061898.76301652677880.660476595887061635122218WETL
2022-11-04 04:00:18FORECAST20234112141.8327.4134.6226.5472365001470.09510.105115.6715.7751TT9.8323.8352336.981079065078.94591640201530.660476595887061635122218WETL
2022-11-04 00:00:05FORECAST20234112134.8324.1829.505143.559363121340.12590.145915.0815.2259TT2.8329.8352404.0666227838958.0075470254470.36436086850284162512128WETL
2022-11-03 20:00:05FORECAST20234112134.1221.5627.84143.618205978040.08840.118415.6815.7984TT2.1237.1252404.0955911215158.0354838405070.33579263859898162512128WETL
2022-11-03 16:00:04FORECAST20234112134.1221.5627.84143.759937790160.01430.044315.6415.6843TT2.1231.1252404.1653479197458.1027852738810.33579263859898162511124WETL
2022-11-03 12:00:04FORECAST20234112128.4222.5525.485145.351063737440.04030.110315.5315.6403TT-3.5823.4252404.9467387052158.8594392278090.14835767847775161512127WETL
2022-11-03 08:00:10FORECAST20234112127.5624.3225.94142.513997582360.04030.110314.9315.0403TT-4.4431.5652403.5512669915657.5117042883960.12776049053674161512127WETL
2022-11-03 04:00:16FORECAST20234112128.326.3227.31143.068266897920.03560.095614.9315.0256TT-3.724.352403.8246871895357.7744981268010.14535774744368161512127WETL