NATO UNCLASSIFIED SPONTEX 2011 2011, May 15th Access to Oceanographic Watch and Forecast Report For...
Transcript of NATO UNCLASSIFIED SPONTEX 2011 2011, May 15th Access to Oceanographic Watch and Forecast Report For...
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
Access to Oceanographic Watch and Forecast Report
For a correct visualisation of this product, you must click on the green area for more details or on to enlarge the map.
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NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
For a correct visualisation
of this product,
you must click on the green area
for more details
or on to enlarge the maps.
Access to Oceanographic Watch and Forecast Report
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
The Oceanographic Watch and Forecast Report : - is an electronic document displaying and analysing oceanic conditions relevant for Anti-Submarine
Warfare, - is updated daily according to new available information, - includes products derived from ocean models.
Models
Content
Sea Surface Temperature
Sound Velocity Profiles
Mixed Layer Depth
Current
Thermocline layer thickness
Depth of Velocity Minimum
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
OCEAN MODEL
The model covers the Bay of Biscay with longitudes ranging from 11° W to 1° W and latitudes ranging from 45.5° N to 48° N. The model has a ~ 1.9 km horizontal resolution.
The model is forced at the surface by 3-hour ARPEGE derived fluxes and by daily river flow. Open boundary conditions are derived from the MERCATOR-Ocean model covering the North Atlantic ocean and from the Mog2D tidal model.
Results presented in this report include 3D tidal effects (tidal currents and internal tides).
3-days forecast is displayed.
The Oceanographic Watch and Forecast Report : - is an electronic document displaying and analysing oceanic conditions relevant for Anti-Submarine
Warfare, - is updated daily according to new available information, - includes products derived from ocean models.
Models
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
The Oceanographic Watch and Forecast Report : - is an electronic document displaying and analysing oceanic conditions relevant for Anti-Submarine
Warfare, - is updated daily according to new available information, - includes products derived from ocean models.
•Products derived from ocean model (daily, 3-days forecast)
Currents at 0m• 6-hour steps from 24H to 48H• 12-hour steps from 48H to 72H
Sea surface temperature at 0m level• 6-hour steps from 24H to 48H• 12-hour steps from 24H to 48H
Mixed layer depth defined as the first velocity maximum depth • 6-hour period minimun and maximum values computed with 2-hour fields• 12-hour steps from 24H to 48H
Thermocline layer thickness defined between mixed layer depth and base of saisonal thermocline
• 6-hour period minimun and maximum values computed with 2-hour fields• 12-hour steps from 24H to 48H
Depth of the first velocity minimum beneath the thermocline• 6-hour steps from 24H to 48H• 12-hour steps from 24H to 48H
Sound velocity profile classes• 6-hour steps from 24H to 48H• 12-hour steps from 24H to 48H
Models
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
Current
Tomorrow D+2
Synopsis : As tidal range increases, tidal curent intensity increases too and exceeds temporay 1 m/s near Sein. Tidal current direction is still well represented. Aside from that, there is no significant change in the general situation : above plain, with meso scale activity and influence of internal tide, maximum currents reach 0.3 to 0.5 m/s. The currents above the shelf show the temporally strenghten correlated to the internal waves.Outlook : gyre by 45.5N/005W remain for next few days.Comparison and model’s validation : no data.Tendancy: the tide is still well represented.
Models
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
24 Z 30 Z 36 Z 42 Z 48 Z 60 Z 72 Z
D+3
Product - Current at 0m. Daily forecast : - 6-hour steps from 24H to 48H - 12-hour steps from 48H to 72H
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
CurrentModels
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
24 Z 30 Z 36 Z 42 Z 48 Z 60 Z 72 Z
Tomorrow D+2 D+3
Product - Current at 0m. Daily forecast : - 6-hour steps from 24H to 48H - 12-hour steps from 48H to 72H
Synopsis : As tidal range increases, tidal curent intensity increases too and exceeds temporay 1 m/s near Sein. Tidal current direction is still well represented. Aside from that, there is no significant change in the general situation : above plain, with meso scale activity and influence of internal tide, maximum currents reach 0.3 to 0.5 m/s. The currents above the shelf show the temporally strenghten correlated to the internal waves.Outlook : gyre by 45.5N/005W remain for next few days.Comparison and model’s validation : no data.Tendancy: the tide is still well represented.
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
CurrentModels
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
24 Z 30 Z 36 Z 42 Z 48 Z 60 Z 72 Z
Tomorrow D+2 D+3
Product - Current at 0m. Daily forecast : - 6-hour steps from 24H to 48H - 12-hour steps from 48H to 72H
Synopsis : As tidal range increases, tidal curent intensity increases too and exceeds temporay 1 m/s near Sein. Tidal current direction is still well represented. Aside from that, there is no significant change in the general situation : above plain, with meso scale activity and influence of internal tide, maximum currents reach 0.3 to 0.5 m/s. The currents above the shelf show the temporally strenghten correlated to the internal waves.Outlook : gyre by 45.5N/005W remain for next few days.Comparison and model’s validation : no data.Tendancy: the tide is still well represented.
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
CurrentModels
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
24 Z 30 Z 36 Z 42 Z 48 Z 60 Z 72 Z
Tomorrow D+2 D+3
Product - Current at 0m. Daily forecast : - 6-hour steps from 24H to 48H - 12-hour steps from 48H to 72H
Synopsis : As tidal range increases, tidal curent intensity increases too and exceeds temporay 1 m/s near Sein. Tidal current direction is still well represented. Aside from that, there is no significant change in the general situation : above plain, with meso scale activity and influence of internal tide, maximum currents reach 0.3 to 0.5 m/s. The currents above the shelf show the temporally strenghten correlated to the internal waves.Outlook : gyre by 45.5N/005W remain for next few days.Comparison and model’s validation : no data.Tendancy: the tide is still well represented.
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
CurrentModels
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
24 Z 30 Z 36 Z 42 Z 48 Z 60 Z 72 Z
Tomorrow D+2 D+3
Product - Current at 0m. Daily forecast : - 6-hour steps from 24H to 48H - 12-hour steps from 48H to 72H
Synopsis : As tidal range increases, tidal curent intensity increases too and exceeds temporay 1 m/s near Sein. Tidal current direction is still well represented. Aside from that, there is no significant change in the general situation : above plain, with meso scale activity and influence of internal tide, maximum currents reach 0.3 to 0.5 m/s. The currents above the shelf show the temporally strenghten correlated to the internal waves.Outlook : gyre by 45.5N/005W remain for next few days.Comparison and model’s validation : no data.Tendancy: the tide is still well represented.
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
CurrentModels
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
24 Z 30 Z 36 Z 42 Z 48 Z 60 Z 72 Z
Tomorrow D+2 D+3
Product - Current at 0m. Daily forecast : - 6-hour steps from 24H to 48H - 12-hour steps from 48H to 72H
Synopsis : As tidal range increases, tidal curent intensity increases too and exceeds temporay 1 m/s near Sein. Tidal current direction is still well represented. Aside from that, there is no significant change in the general situation : above plain, with meso scale activity and influence of internal tide, maximum currents reach 0.3 to 0.5 m/s. The currents above the shelf show the temporally strenghten correlated to the internal waves.Outlook : gyre by 45.5N/005W remain for next few days.Comparison and model’s validation : no data.Tendancy: the tide is still well represented.
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
CurrentModels
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
24 Z 30 Z 36 Z 42 Z 48 Z 60 Z 72 Z
Tomorrow D+2 D+3
Product - Current at 0m. Daily forecast : - 6-hour steps from 24H to 48H - 12-hour steps from 48H to 72H
Synopsis : As tidal range increases, tidal curent intensity increases too and exceeds temporay 1 m/s near Sein. Tidal current direction is still well represented. Aside from that, there is no significant change in the general situation : above plain, with meso scale activity and influence of internal tide, maximum currents reach 0.3 to 0.5 m/s. The currents above the shelf show the temporally strenghten correlated to the internal waves.Outlook : gyre by 45.5N/005W remain for next few days.Comparison and model’s validation : no data.Tendancy: the tide is still well represented.
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
Sea Surface Temperature
Tomorrow D+2
30Z
36Z 42Z
Synopsis : anticyclonic conditions furthers SST’s warmering (by the south of the theater). Meso scale activity is still marked around 47N/009W while the cold tight band of water along the slope gets narrower northerly.Outlook : progressive warmering over whole area continues with « afternoon effect ».Comparison and model’s validation : no data
24Z
Models
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
Product - Temperature at 0m.Daily forecast : - 6-hour steps from 24H to 48H - 12-hour steps from 48H to 72H
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
Sea Surface Temperature
48Z 60Z
72Z
Tomorrow D+2
Tendancy : no significant change, the situation is settled with warmer waters in the south of the area and colder water along slope. The warmering continues above continental shelf. SST expected to exceed 15°C south 46,5N and east of 004W.
Models
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
Product - Temperature at 0m.Daily forecast : - 6-hour steps from 24H to 48H - 12-hour steps from 48H to 72H
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
Mixed Layer Depth
Tomorrow morning D+3
Product – Depth of first maximum velocity in mixed layer depth.Daily forecast : - 6-hour period min and max values computed with 2-hour fields from 24h to 48h - 12-hour steps from 60h and 72h
Synopsis : MDL ranges from 5 meters (minimun) to 40 meters (maximal value) for first step of 6 hours.Outlook : in the second step of 6 hours, maximal MLD expected to reach 40 m (north of 47N) while minimum value strongly decreases and disappears over whole theater (due to SST warmering).Comparison and model’s validation : no data.
D+2
Mix
ed la
yer
dep
th m
in a
nd
m
ax b
etw
een
24
to 3
0 Z
Mix
ed la
yer
dep
th m
in a
nd
m
ax b
etw
een
30
to 3
6 Z
Minimum Maximum
Models
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
Mixed Layer Depth
Outlook : MLD disappears due to warmering and « afternoon effect » in the first part of afternnon. In the evening, the area of disappearance remains south of 47N.
Tomorrow morning D+3D+2
Mix
ed la
yer
dep
th m
in a
nd
m
ax b
etw
een
36
to 4
2 Z
Mix
ed la
yer
dep
th m
in a
nd
m
ax b
etw
een
42
to 4
8 Z
Minimum Maximum
Models
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
Product – Depth of first maximum velocity in mixed layer depth.Daily forecast : - 6-hour period min and max values computed with 2-hour fields from 24h to 48h - 12-hour steps from 60h and 72h
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
Mixed Layer Depth
D+3Tomorrow morning D+2
Tendancy : MLD temporary disappears in the afternoon due to « afternoon effect ».
48Z 60Z
72Z
Models
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
Product – Depth of first maximum velocity in mixed layer depth.Daily forecast : - 6-hour period min and max values computed with 2-hour fields from 24h to 48h - 12-hour steps from 60h and 72h
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
Thermocline layer thickness
Product – Layer between mixed layer depth and base of saisonal thermocline.Daily forecast : - 6-hour period min and max values computed with 2-hour fields from 24h to 48h - 12-hour steps from 60h and 72hModels
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
Tomorrow morning D+3D+2
Th
erm
ocli
ne
laye
r th
ick
nes
s m
in /
max
bet
wee
n 2
4 to
30
ZT
her
moc
lin
e la
yer
thic
kn
ess
min
/ m
ax b
etw
een
30
to 3
6 Z
Minimum Maximum
Synopsis : maximal values of thermocline layer thickness are above plain and slope and scalling from 20 to 80 meters, moreover TLT remains at its minimal above shelf (around 20 meters, without a large temporally variability).Outlook : a slight tickening of TLT is expected to begin in the second step of 6 hours (extension of the « 80 meters » area).Comparison and model’s validation : no data
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
Thermocline layer thicknessModels
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
Tomorrow morning D+3D+2
Th
erm
ocli
ne
laye
r th
ick
nes
s m
in /
max
bet
wee
n 3
6 to
42
ZT
her
moc
lin
e la
yer
thic
kn
ess
min
/ m
ax b
etw
een
42
to 4
8 Z
Minimum Maximum
Product – Layer between mixed layer depth and base of saisonal thermocline.Daily forecast : - 6-hour period min and max values computed with 2-hour fields from 24h to 48h - 12-hour steps from 60h and 72h
Synopsis : maximal values remain above abyssal plain and slope (between 20 and 80 meters) while minimun values situated above shelf (around 20 meters).Outlook : no significant change.Comparison and model’s validation : no data
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
48Z 60Z
72Z
Thermocline layer thickness
Tendancy : TLT ranges from 20 to 80 meters (from shelf to abyssal plain).
Models
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
Tomorrow morning D+3D+2
Product – Layer between mixed layer depth and base of saisonal thermocline.Daily forecast : - 6-hour period min and max values computed with 2-hour fields from 24h to 48h - 12-hour steps from 60h and 72h
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
Depth of Velocity Minimum
Tomorrow D+2
24Z 30Z
36Z 42Z
Synopsis : Depth of first Velocity Minimum (DVM) remains steady around 60-100m over the period and tends to disappear around the internal tide generation area (near slope).Outlook : No significant change expected.Comparison and model’s validation : no data
Models
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
Product – Depth of first velocity minimum. Daily forecast - 6-hour steps from 24H to 48H - 12-hour steps from 48H to 72H
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
Depth of Velocity Minimum
Tomorrow D+2
48Z 60Z
72Z
Tendancy : Internal tide effect is mainly located over deep waters and tends to strenghten over the continental slope while thermocline variability is not so significant above the shelf.
Models
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
Product – Depth of first velocity minimum. Daily forecast - 6-hour steps from 24H to 48H - 12-hour steps from 48H to 72H
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
Sound Velocity Profiles
Tomorrow D+2
Product – Sound velocity profiles classes. Daily forecast - 6-hour steps from 24H to 48H - 12-hour steps from 48H to 72H
24Z 30Z
36Z 42Z
No sound velocity minimum
Sound velocityminimum
Mike November Mike November India
Dep
th
Sound velocity
Surfduct
Sound velocity
min V min V
Surfduct
Sound velocity
Synopsis : mainly Mike profiles over whole area. Above shelf, both Mike and November profiles are represented.
Outlook : November profiles above slope and continental shelf are expected from the afternoon (combinated action of internal waves and SST’s warmering). Comparison and model’s validation : no data
Models
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
NATO UNCLASSIFIED
SPONTEX 20112011, May 15th
Sound Velocity Profiles
Tomorrow D+2
48Z 60Z
72Z
No sound velocity minimum
Sound velocityminimum
Mike November Mike November India
Dep
th
Sound velocity
Surfduct
Sound velocity
min V min V
Surfduct
Sound velocity
Tendancy : Mike profiles are in majority, with temporary November profiles above slope and continental shelf in the afternoon.
Models
Content
Products
Current
Sea Surface Temperature
Depth of Velocity Minimum
Mixed Layer Depth
Sound Velocity Profiles
Thermocline layer thickness
Product – Sound velocity profiles classes. Daily forecast - 6-hour steps from 24H to 48H - 12-hour steps from 48H to 72H