eg what should be here for Portsmouth
http://www.ntslf.org/storm-surges/la...ort=Portsmouth
As the bathymetric part of the model processed at the NOC, Southampton
is pretty fixed, then relevant to a weather thread, as the main initial
conditions feed must be the meteorology.
Does anyone know if the NOC or EA has to pay the MetO for a feed of
data, or whether a free Metar/Taf feed?
Then if someone fails to pay the bill or quibbles , then the NTSLF surge
predictor craps out, 2 or 3 times a year.
The National tide-gauge sytem also craps out at times, but only for one
tide cycle or so, not for days on end. With all the xmas nonsense , the
NTSLF is likely to be out for a week or more. At least very low
astronimic tides for this period of the end of December.

On 23/12/2016 11:58, N_Cook wrote:
eg what should be here for Portsmouth
http://www.ntslf.org/storm-surges/la...ort=Portsmouth
As the bathymetric part of the model processed at the NOC, Southampton
is pretty fixed, then relevant to a weather thread, as the main initial
conditions feed must be the meteorology.
Does anyone know if the NOC or EA has to pay the MetO for a feed of
data, or whether a free Metar/Taf feed?
Then if someone fails to pay the bill or quibbles , then the NTSLF surge
predictor craps out, 2 or 3 times a year.
The National tide-gauge sytem also craps out at times, but only for one
tide cycle or so, not for days on end. With all the xmas nonsense , the
NTSLF is likely to be out for a week or more. At least very low
astronimic tides for this period of the end of December.

I imagine Canvey Islanders and others in the Thames Estuary, including
the Thames barrage operators would like to know what they have in store
for 26 Dec with all that wind blowing in the top of the North Sea.
do the Dutch have a surge predictor system , with public outputs?

Op vrijdag 23 december 2016 16:18:12 UTC+1 schreef N_Cook:
On 23/12/2016 11:58, N_Cook wrote:

do the Dutch have a surge predictor system , with public outputs?

https://waterberichtgeving.rws.nl/nl...chuwingen-.htm

Colin Youngs
Brussels

On 23/12/2016 18:07, Colin Youngs wrote:
Op vrijdag 23 december 2016 16:18:12 UTC+1 schreef N_Cook:
On 23/12/2016 11:58, N_Cook wrote:

do the Dutch have a surge predictor system , with public outputs?

https://waterberichtgeving.rws.nl/nl...chuwingen-.htm

Colin Youngs
Brussels



not public output, returns this

"Secure Connection Failed
An error occurred during a connection to waterberichtgeving.rws.nl.
Peer reports incompatible or unsupported protocol version.
(Error code: ssl_error_protocol_version_alert) "

On Friday, December 23, 2016 at 6:36:51 PM UTC, N_Cook wrote:
On 23/12/2016 18:07, Colin Youngs wrote:
Op vrijdag 23 december 2016 16:18:12 UTC+1 schreef N_Cook:
On 23/12/2016 11:58, N_Cook wrote:

do the Dutch have a surge predictor system , with public outputs?

https://waterberichtgeving.rws.nl/nl...chuwingen-.htm

Colin Youngs
Brussels



not public output, returns this

"Secure Connection Failed
An error occurred during a connection to waterberichtgeving.rws.nl.
Peer reports incompatible or unsupported protocol version.
(Error code: ssl_error_protocol_version_alert) "

Works for me, though you'll have to get Google to translate it.

Very small tides at the moment.

Graham
Penzance

In message ,
Graham Easterling writes
On Friday, December 23, 2016 at 6:36:51 PM UTC, N_Cook wrote:
On 23/12/2016 18:07, Colin Youngs wrote:
Op vrijdag 23 december 2016 16:18:12 UTC+1 schreef N_Cook:
On 23/12/2016 11:58, N_Cook wrote:

do the Dutch have a surge predictor system , with public outputs?













https://waterberichtgeving.rws.nl/nl...chuwingen-.htm

Colin Youngs
Brussels



not public output, returns this

"Secure Connection Failed
An error occurred during a connection to waterberichtgeving.rws.nl.
Peer reports incompatible or unsupported protocol version.
(Error code: ssl_error_protocol_version_alert) "

Works for me, though you'll have to get Google to translate it.

Works for me too, using Chrome. I wonder if Nick's browser could be
objecting to the page name ending with a hyphen? (Though if so then the
error message is seriously misleading.)
--
John Hall
"One can certainly imagine the myriad of uses
for a hand-held iguana maker"
Hobbes (the tiger, not the philosopher!)

Op vrijdag 23 december 2016 20:51:27 UTC+1 schreef Graham Easterling:

Works for me, though you'll have to get Google to translate it.
Very small tides at the moment.

Headings on graphs from left to right:
astronomisch = astronomical (tide)
waterstand = water level
waarneming = observation
opzet = difference between actual level and astronomically predicted level

Colin Youngs
Brussels

On 23/12/2016 18:36, N_Cook wrote:
On 23/12/2016 18:07, Colin Youngs wrote:
Op vrijdag 23 december 2016 16:18:12 UTC+1 schreef N_Cook:
On 23/12/2016 11:58, N_Cook wrote:

do the Dutch have a surge predictor system , with public outputs?

https://waterberichtgeving.rws.nl/nl...chuwingen-.htm


Colin Youngs
Brussels



not public output, returns this

"Secure Connection Failed
An error occurred during a connection to waterberichtgeving.rws.nl.
Peer reports incompatible or unsupported protocol version.
(Error code: ssl_error_protocol_version_alert) "

Same zero connect going via proxy + decrapifying site
http://www.loband.org/loband/
other https sites run through there fine but not that URL, get this back

" An error occurred during a connection to
waterberichtgeving.rws.nl.

Peer reports incompatible or unsupported protocol version.

(Error code: ssl_error_protocol_version_alert)
The page you are trying to view cannot be shown because the
authenticity of the received data could not be verified.
Please contact the website owners to inform them of this problem.
Alternatively, use the command found in the help menu to report this
broken site."

On 23/12/2016 20:58, Colin Youngs wrote:
Op vrijdag 23 december 2016 20:51:27 UTC+1 schreef Graham Easterling:

Works for me, though you'll have to get Google to translate it.
Very small tides at the moment.

Headings on graphs from left to right:
astronomisch = astronomical (tide)
waterstand = water level
waarneming = observation
opzet = difference between actual level and astronomically predicted level

Colin Youngs
Brussels


Those headings suggest just realtime tide-gauge monitoring + harmonic
tide prediction.
Assuming I can access that site on a different connection,
Does it give predictions of residual over astronomic ?
What sort of leadtime ?

On 23/12/2016 19:51, Graham Easterling wrote:
On Friday, December 23, 2016 at 6:36:51 PM UTC, N_Cook wrote:
On 23/12/2016 18:07, Colin Youngs wrote:
Op vrijdag 23 december 2016 16:18:12 UTC+1 schreef N_Cook:
On 23/12/2016 11:58, N_Cook wrote:

do the Dutch have a surge predictor system , with public outputs?

https://waterberichtgeving.rws.nl/nl...chuwingen-.htm

Colin Youngs
Brussels



not public output, returns this

"Secure Connection Failed
An error occurred during a connection to waterberichtgeving.rws.nl.
Peer reports incompatible or unsupported protocol version.
(Error code: ssl_error_protocol_version_alert) "

Works for me, though you'll have to get Google to translate it.

Very small tides at the moment.

Graham
Penzance

Very true , but if you look in the BODC archives for the Sheerness
tidegauge. It is very easy to get 2 or 3m surges there (from the
shelving of the Dogger etc), so whatever the general astronomic
neap/spring situation is, the surge can well overtop it .
I'm only familiar with wind and surges in the English Channel and the
approaches, not the North Sea. I don't know whether all the wind stress
on the east side of the North Sea 26 Dec , circulates the resultant
surge around the south of the North Sea, along Holland and Belgium
coasts and into to the Thames area. The west going surge in the channel
is not so significant because its sort of anti-shelving, anti-funelling
in the Channel.