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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Tuesday, August 27, 2019

[ Monday, August 26, 2019 | Index | Today | Wednesday, August 28, 2019 ]

DAY 331 OF WATER YEAR 2019, FORECAST LAST UPDATED 08/28/2019 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:
H
HIGH

MODEL USED FOR HAZARD CLASS DETERMINATION:

DRY

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 75.20°F
MINIMUM TEMPERATURE (Tmin): 55.67°F
AVERAGE TEMPERATURE (Tavg): 65.44°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.924
Maximum Percentile on this day is based on 93 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: 43
18-DAY CUMULATIVE DD32: 509

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): 1.07 in
18-DAY TOTAL (P18): 1.07 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: 238
CALCULATED SNOW DENSITY: 460.23 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: 46

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 5
D1: 3
D2: 4
D3: 1
D4: 5
D5: 1
HSdry: 60.0

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
2019-08-28 04:00:11OBSERVATION20193314675.255.6765.4350001.071.07FF43.2509.2238460.23272928919 00.923694500593693 53415160DRYH
2019-08-28 00:00:13FORECAST20193314659.1659.1659.160001.071.07FF27.16493.16239460.7548722180100.436812292494049323315220DRYL
2019-08-27 12:00:11FORECAST20193314675.4763.0669.26500.0080.0081.071.078FF43.47509.47239460.7548722180100.92746616958699353415160DRYH
2019-08-27 08:00:10FORECAST20193314671.653.7862.6900.00210.00211.071.0721FF39.6505.6239460.7548722180100.858418782822249353415160DRYH
2019-08-27 04:00:11FORECAST20193314675.3452.9764.15500.00740.00741.071.0774FF43.34509.34239460.7548722180100.925668337503539353415160DRYH
2019-08-27 00:00:12FORECAST20193314676.3554.9665.65500.00590.00591.071.0759FF44.35500.35238460.2327292891900.938775174504039353415160DRYH
2019-08-26 20:00:11FORECAST20193314676.1956.1366.1600.00780.00781.071.0778FF44.19514.19238460.2327292891900.936828050543979353415160DRYH
2019-08-26 16:00:11FORECAST20193314676.2156.4266.31500.0020.0021.071.072FF44.21514.21238460.2327292891900.937074037178479353415160DRYH
2019-08-26 12:00:11FORECAST20193314675.8656.4666.1600.00020.00021.071.0702FF43.86513.86238460.2327292891900.932660676695989353415160DRYH
2019-08-26 08:00:11FORECAST20193314675.7856.6266.200.00040.00041.071.0704FF43.78508.78238460.2327292891900.931619194999389353415160DRYH
2019-08-26 04:00:11FORECAST20193314675.1956.4265.80500.00160.00161.071.0716FF43.19513.19238460.2327292891900.923552005574239353415160DRYH
2019-08-26 00:00:12FORECAST20193314675.4556.1565.800.00110.00111.071.0711FF43.45505.45238460.2327292891900.927191761285659353415160DRYH
2019-08-25 20:00:10FORECAST20193314675.3356.0565.6900.0020.0221.071.092FF43.33520.33238460.2327292891900.925528650515229353415160DRYH
2019-08-25 16:00:11FORECAST20193314675.425665.7100.00240.02241.071.0924FF43.42520.42238460.2327292891900.92677866458619353415160DRYH
2019-08-25 12:00:11FORECAST20193314674.4155.8865.14500.00080.02081.071.0908FF42.41519.41238460.2327292891900.91180497928829353415160DRYH
2019-08-25 08:00:11FORECAST20193314675.1555.8465.49500.00020.01021.071.0802FF43.15514.15238460.2327292891900.922980007435929353415160DRYH
2019-08-25 04:00:12FORECAST20193314674.6755.5265.09500.00050.02051.071.0905FF42.67518.67238460.2327292891900.915861056100349353415160DRYH
2019-08-25 00:00:12FORECAST20193314675.0455.6265.3300.00250.01251.071.0825FF43.04511.04238460.2327292891900.921390300481649353415160DRYH
2019-08-24 20:00:11FORECAST20193314675.0955.8565.4700.0010.0211.11.121FF43.09522.09238460.2327292891900.922115940251249353415160DRYH
2019-08-24 16:00:11FORECAST20193314674.5355.5165.0200.00180.01181.11.1118FF42.53521.53238460.2327292891900.913694708686989353415160DRYH
2019-08-24 12:00:11FORECAST20193314675.6354.765.16500.00170.01171.11.1117FF43.63521.63238460.2327292891900.929633089298459353415160DRYH
2019-08-24 08:00:11FORECAST20193314671.4454.8463.1400.0020.0021.11.102FF39.44516.44238460.2327292891900.854831090949399353415160DRYH
2019-08-24 04:00:12FORECAST20193314676.0354.1465.08500.00210.01211.11.1121FF44.03520.03238460.2327292891900.934833208632219353415160DRYH
2019-08-24 00:00:13FORECAST20193314674.5354.5364.5300.00040.00041.111.1104FF42.53504.53238460.2327292891900.913694708686989353415160DRYH
2019-08-23 20:00:11FORECAST20193314674.5654.2264.3900.00020.01021.151.1602FF42.56520.56238460.2327292891900.914162390825859353415160DRYH
2019-08-23 16:00:11FORECAST20193314674.1854.5364.35500.00020.01021.141.1502FF42.18514.18238460.2327292891900.908097371947229353415160DRYH
2019-08-23 12:00:11FORECAST20193314672.9355.0263.9750001.131.13FF40.93520.93238460.2327292891900.885921941393939353415160DRYH
2019-08-23 08:00:11FORECAST20193314672.3454.6563.4950001.151.15FF40.34515.34238460.2327292891900.874228932542229353415160DRYH
2019-08-23 04:00:11FORECAST20193314672.9655.3664.160001.141.14FF40.96515.96238460.2327292891900.886495154844199353415160DRYH
2019-08-23 00:00:15FORECAST20193314672.7853.6163.19500.00050.00050.870.8705FF40.78517.78238460.2327292891900.883025040746139353415160DRYH
2019-08-22 20:00:11FORECAST20193314670.2550.8360.5400.00050.01050.840.8505FF38.25525.25238460.2327292891900.826245805423549343415155DRYH
2019-08-22 16:00:11FORECAST20193314672.2851.9562.11500.00050.01050.840.8505FF40.28526.28238460.2327292891900.872994732587369353415160DRYH
2019-08-22 12:00:11FORECAST20193314674.5155.0264.76500.00350.00350.830.8335FF42.51529.51238460.2327292891900.913381867150199353415160DRYH
2019-08-22 08:00:11FORECAST20193314674.5355.0164.7700.00350.01350.830.8435FF42.53521.53238460.2327292891900.913694708686989353415160DRYH
2019-08-22 04:00:12FORECAST20193314677.0557.1567.100.00350.01350.860.8735FF45.05536.05238460.2327292891900.946749394554859353415160DRYH
2019-08-22 00:00:13FORECAST20193314673.3854.5263.9500.00090.01090.450.4609FF41.38518.38238460.2327292891900.894305942648979353415160DRYH
2019-08-21 20:00:11FORECAST20193314673.454.563.9500.00090.01090.70.7109FF41.4526.4238460.2327292891900.894667974707189353415160DRYH
2019-08-21 16:00:11FORECAST20193314672.4452.6162.52500.00110.00110.720.7211FF40.44524.44238460.2327292891900.876267348971199353415160DRYH
2019-08-21 12:00:11FORECAST20193314672.4952.1862.33500.00070.01070.690.7007FF40.49525.49238460.2327292891900.877277862970499353415160DRYH
2019-08-21 08:00:11FORECAST20193314672.5152.262.35500.00070.01070.820.8307FF40.51520.51238460.2327292891900.877680448274569353415160DRYH
2019-08-21 04:00:11FORECAST20193314671.7852.1661.9700.00070.01070.830.8407FF39.78519.78238460.2327292891900.862382761970249353415160DRYH
2019-08-21 00:00:13FORECAST20193314668.9850.359.6400.00220.01220.720.7322FF36.98510.98238460.2327292891900.79206037005359343415155DRYH
2019-08-20 20:00:12FORECAST20193314668.9850.359.6400.00040.01040.750.7604FF36.98522.98238460.2327292891900.79206037005359343415155DRYH
2019-08-20 16:00:11FORECAST20193314666.149.4557.77500.00040.01040.760.7704FF34.1516.1238460.2327292891900.701353856786089343415227.5DRYL
2019-08-20 12:00:11FORECAST20193314657.1546.9152.0300.00050.02050.830.8505FF25.15495.15238460.2327292891900.360122857391499323315220DRYL
2019-08-20 08:00:11FORECAST20193314647.8646.947.3800.00020.02020.920.9402FF15.86488.86238460.2327292891900.100498401125579313315217.5DRYL
2019-08-20 04:00:12FORECAST20193314649.5548.6349.0900.00020.02020.910.9302FF17.55496.55238460.2327292891900.133261334555319313315217.5DRYL