Ocean Wave Model Ensemble 15-day forecast (Set IV - ENS-WAM)

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Products based on an ensemble of forecasts providing an estimate of the reliability of a single forecast.

The purchase of the "Basic Set" +72, +96, +120, +144, +168 hrs is a mandatory prerequisite for the purchase of time steps in the range 12 to 66 hours.

The following sub-sets are available from the ENS-WAM:

 

Dissemination schedule

 based IV-i: Wave fields

(dissemination data stream indicator = W)

12 UTC based Forecast time 00 UTC based Time available 12 UTC based Time Available
Forecast Day 0 07:00 19:00
Forecast Day 10 07:40 19:40
Forecast Day 15 08:00 20:00
Derived products Step 0 to 240 07:41 19:41
Derived products Step 246 to 360 08:01 20:01

IV-ii: Probabilities

(dissemination data stream indicator = U)

12 UTC based Forecast time Time Available 00 UTC based Forecast time Time available
Forecast Day 0 19:00 Forecast Day 0 07:00
Forecast Day 10 19:40 Forecast Day 10 07:40
Forecast Day 15 20:00 Forecast Day 15 08:00
Derived products Step 0 to 240 19:41 Derived products Step 0 to 240 07:41
Derived products Step 246 to 360 20:01 Derived products Step 246 to 360 08:01

IV-iii: Extreme Forecast Index & Shift of Tails

(dissemination data stream indicator = U)

12 UTC based Forecast time Time Available 00 UTC based Forecast time Time available
Forecast Day 0 19:00 Forecast Day 0 07:00
Forecast Day 10 19:40 Forecast Day 10 07:40
Forecast Day 15 20:00 Forecast Day 15 08:00
Derived products Step 0 to 240 19:41 Derived products Step 0 to 240 07:41
Derived products Step 246 to 360 20:01 Derived products Step 246 to 360 08:01
Parameters

All tables are sortable by column. Use your browser search for specific parameters.

Inv Terms convention
(inv) Invariant field. If requested these parameters can be provided free of charge
IV-i: Wave fields

Product resolution: 0.25° x 0.25° lat/long grid or any multiple thereof (global or sub-area)

Time Forecast time step Base time
T+0 to T+90 hourly 00/06/12/18 UTC
T+90 to T+144 3-hourly 00/06/12/18 UTC
T+150 to T+360 6-hourly 00/12 UTC

 

Short Name ID Long Name Units Additional information
weta 140098 Wave induced mean sea level correction m  
wraf 140099 Ratio of wave angular and frequency width dimensionless  
wnslc 140100 Number of events in freak waves statistics dimensionless  
utaua 140101 U-component of atmospheric surface momentum flux N m**-2  
vtaua 140102 V-component of atmospheric surface momentum flux N m**-2  
utauo 140103 U-component of surface momentum flux into ocean N m**-2  
vtauo 140104 V-component of surface momentum flux into ocean N m**-2  
wphio 140105 Wave turbulent energy flux into ocean W m**-2  
wefxm 140112 Wave energy flux magnitude W m**-1  
wefxd 140113 Wave energy flux mean direction Degree true  
h1012 140114 Significant wave height of all waves with periods within the inclusive range from 10 to 12 seconds m  
h1214 140115 Significant wave height of all waves with periods within the inclusive range from 12 to 14 seconds m  
h1417 140116 Significant wave height of all waves with periods within the inclusive range from 14 to 17 seconds m  
h1721 140117 Significant wave height of all waves with periods within the inclusive range from 17 to 21 seconds m  
h2125 140118 Significant wave height of all waves with periods within the inclusive range from 21 to 25 seconds m  
h2530 140119 Significant wave height of all waves with periods within the inclusive range from 25 to 30 seconds m  
sh10 140120 Significant wave height of all waves with period larger than 10s m  
swh1 140121 Significant wave height of first swell partition m  
mwd1 140122 Mean wave direction of first swell partition degrees  
mwp1 140123 Mean wave period of first swell partition s  
swh2 140124 Significant wave height of second swell partition m  
mwd2 140125 Mean wave direction of second swell partition degrees  
mwp2 140126 Mean wave period of second swell partition s  
swh3 140127 Significant wave height of third swell partition m  
mwd3 140128 Mean wave direction of third swell partition degrees  
mwp3 140129 Mean wave period of third swell partition s  
wss 140207 Wave Spectral Skewness dimensionless  
wstar 140208 Free convective velocity over the oceans m s**-1  
rhoao 140209 Air density over the oceans kg m**-3  
phiaw 140211 Normalized energy flux into waves dimensionless  
phioc 140212 Normalized energy flux into ocean dimensionless  
tauoc 140214 Normalized stress into ocean dimensionless  
ust 140215 U-component stokes drift m s**-1  
vst 140216 V-component stokes drift m s**-1  
tmax 140217 Period corresponding to maximum individual wave height s  
hmax 140218 Maximum individual wave height m  
wmb 140219 Model bathymetry m  
mp1 140220 Mean wave period based on first moment s  
mp2 140221 Mean zero-crossing wave period s  
wdw 140222 Wave spectral directional width dimensionless  
p1ww 140223 Mean wave period based on first moment for wind waves s  
p2ww 140224 Mean wave period based on second moment for wind waves s  
dwww 140225 Wave spectral directional width for wind waves dimensionless  
p1ps 140226 Mean wave period based on first moment for swell s  
p2ps 140227 Mean wave period based on second moment for swell s  
dwps 140228 Wave spectral directional width for swell dimensionless  
swh 140229 Significant height of combined wind waves and swell m  
mwd 140230 Mean wave direction Degree true  
pp1d 140231 Peak wave period s  
mwp 140232 Mean wave period s  
cdww 140233 Coefficient of drag with waves dimensionless  
shww 140234 Significant height of wind waves m  
mdww 140235 Mean direction of wind waves degrees  
mpww 140236 Mean period of wind waves s  
shts 140237 Significant height of total swell m  
mdts 140238 Mean direction of total swell degrees  
mpts 140239 Mean period of total swell s  
msqs 140244 Mean square slope of waves dimensionless  
wind 140245 10 metre wind speed m s**-1  
dwi 140249 10 metre wind direction degrees  
2dfd 140251 2D wave spectra (single) m**2 s radian**-1  
wsk 140252 Wave spectral kurtosis dimensionless  
bfi 140253 Benjamin-Feir index dimensionless  
wsp 140254 Wave spectral peakedness dimensionless  
IV-ii: Probabilities

Product resolution: 0.25° x 0.25° lat/long grid or any multiple thereof (global or sub-area)

Time Forecast time step Base time
T+24 to T+360h 12-hourly 00 UTC and 12 UTC

Forecast ranges

Base time

2 -day period covering 120h < T ≤ 168h

00 UTC and 12 UTC

3 -day period covering 168h < T ≤ 240h

00 UTC and 12 UTC

5 -day period covering 120h < T ≤ 240h

00 UTC and 12 UTC

5-day periods: 240h < T ≤ 360h

00 UTC and 12 UTC

 IV-ii-a: Probabilities - Instantaneous weather events

Short Name ID Long Name Units Additional information
swhg2 131074 Significant wave height of at least 2 m %  
swhg4 131075 Significant wave height of at least 4 m %  
swhg6 131076 Significant wave height of at least 6 m %  
swhg8 131077 Significant wave height of at least 8 m %  
mwpg8 131078 Mean wave period of at least 8 s %  
mwpg10 131079 Mean wave period of at least 10 s %  
mwpg12 131080 Mean wave period of at least 12 s %  
mwpg15 131081 Mean wave period of at least 15 s %  
IV-ii-b: Probabilities - Averaged weather events

 

Short Name ID Long Name Units Additional information
swhg2 131074 Significant wave height of at least 2 m %  
swhg4 131075 Significant wave height of at least 4 m %  
swhg6 131076 Significant wave height of at least 6 m %  
swhg8 131077 Significant wave height of at least 8 m %  
mwpg8 131078 Mean wave period of at least 8 s %  
mwpg10 131079 Mean wave period of at least 10 s %  
mwpg12 131080 Mean wave period of at least 12 s %  
mwpg15 131081 Mean wave period of at least 15 s %  
IV-iii-a: Extreme Forecast Index (EFI) 1-day ranges

 

1-day forecast ranges

 Base times
00-24, 24-48, 48-72,72-96, 96-120, 120-144, 144-168 00 UTC
12-36, 36-60, 60-84, 84-108, 108-132, 132-156, 156-180 12 UTC
Short Name ID Long Name Units Additional information
maxswhi 132216 Maximum of significant wave height index (-1 to 1)  
IV-iii-b: Shift of Tails (SOT) 1-day ranges

Short Name ID Long Name Units Additional information
maxswhi 132216 Maximum of significant wave height index (-1 to 1)  
Type:
Real-time
Range:
Medium (15 days)