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Guest William Grimsley

Looking at the weather forecast for Newton Poppleford on Netweather.tv, the wind speed is going to be SW 27 - 43 mph 16:00 to 19:00. I'm not sure what that actually is showing. Wind Speed - Wind Gust or Wind Gust - Wind Gust or Wind Speed - Wind Speed. I presume it means Wind Speed - Wind Gust? Posted Image

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  • Location: Darlington
  • Weather Preferences: Warm dry summers
  • Location: Darlington

    SKYWARN UK SEVERE WEATHER WARNING #031ISSUED: 1000UTC FRIDAY 6TH SEPTEMBER 2013 (GJ/GS)

    SKYWARN UK HAS ISSUED A WARNING FOR SEVERE WEATHER AS FOLLOWS:HEAVY RAIN LEADING TO A RISK OF LOCALISED FLOODING - NORTHERN ENGLAND, SOUTHERN SCOTLAND, NORTH WALES, ISLE OF MAN AND NORTHERN IRELAND

    IN EFFECT UNTIL 0600UTC SUNDAY 8TH SEPTEMBER 2013

    DEVELOPING NEAR-STATIONARY LOW PRESSURE OVER THE IRISH SEA

     

    DISCUSSION:

    THERE IS INCREASING MODEL AND PARTNER AGENCY CONFIDENCE IN THE POSSIBILITY OF SEVERE WEATHER RISKS THROUGH THE WEEKEND. THE DEVELOPING SURFACE LOW PRESSURE SYSTEM IS EXPECTED TO REMAIN NEARLY STATIONARY AS THE UPPER TROUGH CUTS OFF, GENERATING PERSISTENT AND HEAVY RAIN IN THE WARNING AREAS. THROUGH FRIDAY AND OVERNIGHT INTO SATURDAY, AREAS OF NORTHERN ENGLAND MAY SEE ACCUMULATIONS OF 40MM WIDELY WITH PERHAPS AS MUCH AS 70MM OVER HIGHER GROUND. INTO SATURDAY, AREAS OF NORTH WALES, SOUTHERN SCOTLAND AND NORTHERN IRELAND MAY SEE ACCUMULATIONS OF 40-50MM WIDELY, ESPECIALLY NEARER IRISH SEA COASTS OWING TO EMBEDDED CONVECTION. LOCALLY, SOME PLACES MAY SEE 30MM WITHIN A SHORT SPACE OF TIME, LEADING TO A RISK OF RAPID SURFACE RUN-OFF AND FLASH FLOODING, WITH POSSIBLE RIVER CATCHMENT FLOODING GOING INTO SATURDAY. THIS WARNING MAY BE UPDATED. PLEASE MONITOR WEATHER AND TRAVEL INFO AS NECESSARY.

    SPOTTER ACTIVATION IS REQUESTED AND SPOTTERS ARE REQUESTED TO REPORT ALL FACTORS EXCEEDING ACTIVATION CRITERIA

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    Posted
  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield
  • Weather Preferences: Any Extreme
  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield

    Looking at the latest GFS it looks a bit more intense for this area so we may hit 60mph round lunch time. Interesting weather.

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    Posted
  • Location: just south of Doncaster, Sth Yorks
  • Location: just south of Doncaster, Sth Yorks

    for those of you wanting to watch the storm develop then the following may help

     

    latest Fax charts including the latest hand drawn surface chart (each 6 hours)

    http://www.weathercharts.org/ukmomslp.htm

     

    latest sat piccs, courtesy Dundee Uni, you need to join but its free and quick, best to use the infra red , so click on latest, then channel 5 image

     

    not any use yet but should give some indication of how the low is tracking/deepening later today and through tomorrow

    http://www.ndbc.noaa.gov/maps/United_Kingdom.shtml

     

    this is a computer generated chart and is sometimes not too accurate re the centre of highs/lows but gives a decent idea of how it is tracking

    http://meteocentre.com/analyses/map.php?date=0〈=en&area=eur&size=standard

    you can change the size of the chart, and use different areas, so when its closer to the UK put the uk in and enlarge it?

     

    of course you can put in other parts of the world for interest, USA for example, good for watching winter storms or hurricanes?

    Edited by johnholmes
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  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield
  • Weather Preferences: Any Extreme
  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield

    Thanks John.

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    Guest William Grimsley

    for those of you wanting to watch the storm develop then the following may help

     

    latest Fax charts including the latest hand drawn surface chart (each 6 hours)

    http://www.weathercharts.org/ukmomslp.htm

     

    latest sat piccs, courtesy Dundee Uni, you need to join but its free and quick, best to use the infra red , so click on latest, then channel 5 image

     

    not any use yet but should give some indication of how the low is tracking/deepening later today and through tomorrow

    http://www.ndbc.noaa.gov/maps/United_Kingdom.shtml

     

    this is a computer generated chart and is sometimes not too accurate re the centre of highs/lows but gives a decent idea of how it is tracking

    http://meteocentre.com/analyses/map.php?date=0〈=en&area=eur&size=standard

    you can change the size of the chart, and use different areas, so when its closer to the UK put the uk in and enlarge it?

     

    of course you can put in other parts of the world for interest, USA for example, good for watching winter storms or hurricanes?

    Thanks for the interesting charts, johnholmes. :D

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    Posted
  • Location: East London
  • Weather Preferences: Windstorm, Thunderstorm, Heavy Squally, Blustery Winds
  • Location: East London

    A powerful extra-tropical cyclone Quentin will be more powerful storm system to lash the Britain with storm force or hurricane strength storms are quite a severe storm with the very heavy squally showers so we will have experienced windswept with rain but the wind speed could have to be really a worried about it. The wind speed could be stronger and higher.

    People need to be careful and watch the storm surges that could cause extremely dangerous swells and a killer storm on the northeast coastal of the Scotland and this is going to be a severe storm with the powerful storm system.

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    Posted
  • Location: Whaley Bridge - Peak District
  • Weather Preferences: RACY, Extratropical Storm, Barocyclonic Leaf
  • Location: Whaley Bridge - Peak District

    A nice convergence moving south along with the front tomorrow afternoon, just from my eye it looks like the chances of a decent squall crossing southern Scotland, Wales, and England is in favor.

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    Posted
  • Location: Brongest,Wales
  • Weather Preferences: Stormy autumn, hot and sunny summer and thunderstorms all year round.
  • Location: Brongest,Wales

    A powerful extra-tropical cyclone Quentin will be more powerful storm system to lash the Britain with storm force or hurricane strength storms are quite a severe storm with the very heavy squally showers so we will have experienced windswept with rain but the wind speed could have to be really a worried about it. The wind speed could be stronger and higher.People need to be careful and watch the storm surges that could cause extremely dangerous swells and a killer storm on the northeast coastal of the Scotland and this is going to be a severe storm with the powerful storm system.

    That is quite a way out though and I doubt that it will affect much of the UK.

     

    The depression for tomorrow and Monday is the one to be watching.

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    Posted
  • Location: Dunoon, Argyll, Scotland
  • Weather Preferences: Sun and Snow
  • Location: Dunoon, Argyll, Scotland

    Using the NMM gust charts clearly shows it well,

     

    Early hours of Sunday Western Scotland takes the main brunt of the wind over 60mph gusts,

     

    post-6686-0-74992400-1379173918_thumb.pn

     

    Early Sunday morning around 10am the strong winds move across the country affecting Northern Wales and England with gusts ranging from 40 to 60mph.

     

    post-6686-0-65223200-1379174232_thumb.pn

     

    Then through Sunday afternoon it does overall ease down but continues to sweep across the country at this time Wales and parts of England 35 to 55mph gusts.

     

    post-6686-0-20137900-1379174321_thumb.pn

     

    A large sea swell will be to the North West of the UK near the coasts 20ft and further NW away from land 28 to 32ft during Monday afternoon.

     

    post-6686-0-09183000-1379174462_thumb.pn

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    Guest William Grimsley

    A powerful extra-tropical cyclone Quentin will be more powerful storm system to lash the Britain with storm force or hurricane strength storms are quite a severe storm with the very heavy squally showers so we will have experienced windswept with rain but the wind speed could have to be really a worried about it. The wind speed could be stronger and higher.People need to be careful and watch the storm surges that could cause extremely dangerous swells and a killer storm on the northeast coastal of the Scotland and this is going to be a severe storm with the powerful storm system.

    When is this?

    Then through Sunday afternoon it does overall ease down but continues to sweep across the country at this time Wales and parts of England 35 to 55mph gusts.

    It is forecast to be gusts of 40 mph then, here.

    A nice convergence moving south along with the front tomorrow afternoon, just from my eye it looks like the chances of a decent squall crossing southern Scotland, Wales, and England is in favor.

    Yeah, I would love a squall line. I've only been in 1 and that was on 04/01/2012.

    Edited by William Grimsley
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    Posted
  • Location: East London
  • Weather Preferences: Windstorm, Thunderstorm, Heavy Squally, Blustery Winds
  • Location: East London

    When is this?It is forecast to be gusts of 40 mph then, here.Yeah, I would love a squall line. I've only been in 1 and that was on 04/01/2012.

    Saturday night, but Sunday and into Monday
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    Posted
  • Location: East London
  • Weather Preferences: Windstorm, Thunderstorm, Heavy Squally, Blustery Winds
  • Location: East London

    No not extra-tropical cyclone Quentin.

    check them out with the clever people in Germany but just log onto http://www.met.fu-berlin.de/adopt-a-vortex/tief2012/ website
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    Posted
  • Location: Calgary, Canada (1230m asl)
  • Weather Preferences: Wind driven falling snow
  • Location: Calgary, Canada (1230m asl)

    Wind starting to increase here, rain now not very far away on radar. 

     

    I bet you're loving it. I wish I was back home for this, the rain looks pretty tasty with weather warnings out.

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    Guest William Grimsley

    This storm looks good. I hope there is some high winds today. The highest winds are likely to peak 15:00 to 16:00 at SW 24 - 40 mph. What has caught my attention though, is this. It looks like being a wet evening with 6.31 mm of rainfall forecast from 17:00 to 18:00. :D

    Edited by William Grimsley
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    Posted
  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield
  • Weather Preferences: Any Extreme
  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield

    Quick look at XCweather and the observations showing it to be a lot quieter than I expected. Storm could be delayed somewhat or just weaker than forecast. Bit of a downgrade as well on the 00 oz GFS. I think we will be lucky to hit 50 mph today but plenty of time for a pleasant surprise or unpleasant depending on how you look at it.

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    Posted
  • Location: Eastbourne, East Sussex (work in Mid Sussex)
  • Location: Eastbourne, East Sussex (work in Mid Sussex)

    Quick look at XCweather and the observations showing it to be a lot quieter than I expected. 

     

    Same here and almost no perceptible affect in the South East so far

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    Posted
  • Location: Derbyshire Peak District South Pennines Middleton & Smerrill Tops 305m (1001ft) asl.
  • Location: Derbyshire Peak District South Pennines Middleton & Smerrill Tops 305m (1001ft) asl.

    Wind starting to pick up here 29mph so far.

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    Posted
  • Location: Isle of lewis
  • Location: Isle of lewis

    A young man went missing during the storm last night but appears to have been found. 

     

    some of the highest wind speeds across the Western Isles last night.

     

    Highest wind speeds Last 24 hours

    From the Met Office hourly readings -

    56 mph - South Uist Range
    55 mph - Stornoway Airport

    Today's Unofficial highest wind speeds so far from various weather stations -

    79.5 mph - Eoropie Tea Room (Ness)
    65.6 mph - Heb Weather (point)
    46 mph - Askernish ( South Uist )

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