This msg4 image shows tropical storms Florence, Nine and Helen strung out
across the Atlantic. Note the Saharan dust plume being entrained into TS
Helen.

http://www.woksat.info/etcaai08/aai08-1730-a-atl.html


--
Bernard Burton

Satellite images and weather data for Wokingham at:
www.woksat.info/wwp.html



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Is there a consensus emerging in the met models of the remnant of
Florence (later tracking over Canada), combining with Helene in or
around the UK 18 to 20 September?

On Monday, September 10, 2018 at 3:03:19 PM UTC-4, N_Cook wrote:
Is there a consensus emerging in the met models of the remnant of
Florence (later tracking over Canada), combining with Helene in or
around the UK 18 to 20 September?

========

Florence will likely either become slow-moving and fill over the Mid-Atlantic or south-eastern U.S. (per GFS, GDPS and NAM currently), or drift towards the Great Lakes and fill (according to ECMWF). It's unlikely to be anywhere near the UK around September 19th-20th. And Helene has no consensus at that range.

Stephen
Indianapolis, IN.

On 11/09/2018 04:41, Stephen Davenport wrote:
On Monday, September 10, 2018 at 3:03:19 PM UTC-4, N_Cook wrote:
Is there a consensus emerging in the met models of the remnant of
Florence (later tracking over Canada), combining with Helene in or
around the UK 18 to 20 September?

========

Florence will likely either become slow-moving and fill over the Mid-Atlantic or south-eastern U.S. (per GFS, GDPS and NAM currently), or drift towards the Great Lakes and fill (according to ECMWF). It's unlikely to be anywhere near the UK around September 19th-20th. And Helene has no consensus at that range.

Stephen
Indianapolis, IN.


Yes, the late-comer seems to be coming down from the North, not ex-Florence.

I see NWW3 is giving Florence 16m wave heights prior to land. Even when
NHC starts surge "watches" unlike the UK NTSLF they don't seem to put
numerical values to the sea rise.
I'll go with GFS and NWW3 giving 9m waves under Helene over theChannel
Approaches timed for the middle of the on-the-water Southampton Boat
Show next week.
I also see NHC is spinning up something else at 40N-40W in the Atlantic
to possibly join the local mix next week

On Tuesday, 11 September 2018 09:26:36 UTC+1, N_Cook wrote:
On 11/09/2018 04:41, Stephen Davenport wrote:
On Monday, September 10, 2018 at 3:03:19 PM UTC-4, N_Cook wrote:
Is there a consensus emerging in the met models of the remnant of
Florence (later tracking over Canada), combining with Helene in or
around the UK 18 to 20 September?

========

Florence will likely either become slow-moving and fill over the Mid-Atlantic or south-eastern U.S. (per GFS, GDPS and NAM currently), or drift towards the Great Lakes and fill (according to ECMWF). It's unlikely to be anywhere near the UK around September 19th-20th. And Helene has no consensus at that range.

Stephen
Indianapolis, IN.


Yes, the late-comer seems to be coming down from the North, not ex-Florence.

I see NWW3 is giving Florence 16m wave heights prior to land. Even when
NHC starts surge "watches" unlike the UK NTSLF they don't seem to put
numerical values to the sea rise.
I'll go with GFS and NWW3 giving 9m waves under Helene over theChannel
Approaches timed for the middle of the on-the-water Southampton Boat
Show next week.
I also see NHC is spinning up something else at 40N-40W in the Atlantic
to possibly join the local mix next week

Florence looking very dangerous. 1m people evacuated. https://www.bbc.co.uk/news/av/world-...een-from-space

On Tuesday, 11 September 2018 13:59:13 UTC+1, wrote:
On Tuesday, 11 September 2018 09:26:36 UTC+1, N_Cook wrote:
On 11/09/2018 04:41, Stephen Davenport wrote:
On Monday, September 10, 2018 at 3:03:19 PM UTC-4, N_Cook wrote:
Is there a consensus emerging in the met models of the remnant of
Florence (later tracking over Canada), combining with Helene in or
around the UK 18 to 20 September?

========

Florence will likely either become slow-moving and fill over the Mid-Atlantic or south-eastern U.S. (per GFS, GDPS and NAM currently), or drift towards the Great Lakes and fill (according to ECMWF). It's unlikely to be anywhere near the UK around September 19th-20th. And Helene has no consensus at that range.

Stephen
Indianapolis, IN.


Yes, the late-comer seems to be coming down from the North, not ex-Florence.

I see NWW3 is giving Florence 16m wave heights prior to land. Even when
NHC starts surge "watches" unlike the UK NTSLF they don't seem to put
numerical values to the sea rise.
I'll go with GFS and NWW3 giving 9m waves under Helene over theChannel
Approaches timed for the middle of the on-the-water Southampton Boat
Show next week.
I also see NHC is spinning up something else at 40N-40W in the Atlantic
to possibly join the local mix next week

Florence looking very dangerous. 1m people evacuated. https://www.bbc.co.uk/news/av/world-...een-from-space

NHC update: North Carolina in its sights currently: https://www.nhc.noaa.gov/refresh/gra...nd120#contents