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Jo Farrow

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  1. Jo Farrow
    Snow warnings this morning for #ChannelIslands. Orange for Jersey and Yellow for Guernsey from Jersey Met. Also Orange warnings over the far north of France from MeteoFrance for Snow/Ice Radar from yesterday evening included (image3&4). There are issues with mixed-state precipitation for the radar, and as always, the imagery does need some interpretation. It's worth switching between Weather ON/OFF to find the heavier prep. and what might be 'noise'
  2. Jo Farrow
    The damp is really adding to the chilly feeling. At least it is calm. Nice lee wave patterns showing on the satellite image in the light easterly flow over northern England, southern Scotland today
  3. Jo Farrow
    It also starts with text "The UK Health Security Agency (UKHSA) Weather-Health Alert system is aimed at health and social care professionals and anyone with a role in reducing health impacts caused by extended periods of hot or cold weather." Which is contradictory. But that is why only England shows up in the Cold alerts and the Heat alerts, it's not that Wales, NI or Scotland aren't seeing v. cold weather. Not to plunge into politics but just to highlight, it is a specialised forecast for health & social care sector rather than wider public. It's a shame media publications reference it- but there isn't anything else available for cold (unlike the extreme heat warnings)
  4. Jo Farrow
    It's worth checking out Weather ON and Off on the netweather radar to get a clearer picture of where the heavier precipitation is. Some of the pink is just radar noise, reflections off the thicker cloud cover. There are issues with trying to receive data from rain/sleet and snow so (as usual) the radaar imagery needs some interpretation. Where the brighter colours are on the usual radar image, you are more likely to be seeing falling snow and it's easier to see the lines, the streamers running NE to SW. "Bright band Radar echoes from both raindrops and snowflakes are calibrated to give correct intensities on the rainfall display. But at the level where the temperature is near 0° C, melting snowflakes with large, wet, reflective surfaces give strong echoes. These produce a false band of heavier rain, or bright band, on the radar picture. The Radarnet processing system makes a correction to the data to try to account for this enhancement. "MO
  5. Jo Farrow
    The Weather - Health alerts (and current COLD health alert) are a paid-for service that health boards chose to buy, which England has. It runs alongside the National Severe Weather Warning Service (NSWWS) extreme heat warnings- part of the usual severe weather warnings but is different. "The HHA primarily targets the health and social care sector and responder community, while the NSWWS has a wider audience that includes the responder community, but also the general public."
  6. Jo Farrow
    I did invite the discussion, after even more rain from this low => disruption. And we've had the unusual peaks in travel, not the usual weekday commuting that needed factoring into the impact-based warning system. I don't think I can watch any more videos of dumb people driving into floodwaters and getting stuck Frost, Fog and Ice next as it finally stops Raining WWW.NETWEATHER.TV The weekend is looking drier but colder. Some good news for the flood hit areas although the larger river systems are still responding to recent rains. Next up frost, ice and freezing fog.
  7. Jo Farrow
    The Env Agency chart below is from yesterday. The issuing of yellow/Amber warnings is closely tied between Env agencies and Met Office Has that worked recently in terms of impacts seen by people over after Christmas, from Storms Gerrit and Henk, then yesterday evening? There has been major disruption each time, the yellow rain warning applied from 12 noon til early hours of Friday from Cornwall to Norfolk. Perhaps the system is due an update with a more informative (yet not confusing) representation. That the yellow warning in Surrey at 1pm is not for the same conditions expected by 6pm so that people can make informed choices if the warnings/names are issued in time. The first radar image shows 24 hour accumulation til 0930 this morning. Radar imagery does need some interpretation. There can be obstructions in the way of the beam (even some tall trees) and it blocks the outward range and recording. You can see some of the straight lines from one site (Chenies I think). So you almost have to fill in the gaps visually. Shannon is out again after an upgrade. https://www.netweather.tv/weather-forecasts/news/9866-understanding-weather-radar It has also been very wet for eastern Aberdeenshire , with black ice causing problems on the A96 this morning
  8. Jo Farrow
    Jersey Met NIGHT "Southwest to west strong F7 to gale F8 , perhaps briefly severe gale F9 at first with gusts to 60mph, veering west to northwest strong F6, decreasing moderate F4 to fresh F5." Cyclonic winds in the English Channel this evening, reaching Kent before midnight. More heavy rain from same low over southern England and East Anglia adding to the existing flooding problems. Rain moves from SW England this morning to The Wash/Norfolk late evening.
  9. Jo Farrow
    Jersey Met mentioning Force 7 as a max The last two charts are from the Netweather model viewer
  10. Jo Farrow
    Thanks
  11. Jo Farrow
    Maybe by Meteo France?
  12. Jo Farrow
    Forgot to upload this video earlier
  13. Jo Farrow
    Happy New Year everyone (when it comes) #Hogmanay
  14. Jo Farrow
    Manchester airport is trending on twitter for the landings in high gusts
  15. Jo Farrow
    Quite a push of water as well, into the swallowing North Sea which is why Denmark has amber and red coastal surge warnings. Netherlands has surge warnings too. East Anglia has medium risk of flooding today with high river levels coming up against the higher tide levels
  16. Jo Farrow
    It's an Andy Scott sculpture of a Bear
  17. Jo Farrow
    Beautiful Nacreous display this morning, along A1 looking east towards Torness. Glad I had my big coat on
  18. Jo Farrow

    bearphoneAjo.jpg

    Jo Farrow posted a gallery image in Cloud images

    bearphoneAjo.jpg

    © jo farrow

  19. Jo Farrow
    All schools shut on Shetland today, power cuts SSE reported in Western Isles, Skye
  20. Jo Farrow
    Yes, UK warnings are impact-based, not quantitative (Met Eireann's are). The complaint about the current wind warning is the Low Impacts bit when already there are ferry and widespread railway impacts being highlighted for tomorrow across Scotland.
  21. Jo Farrow
    A different perspective from DMI Wind gusts (m/s) and pressure https://www.dmi.dk/vejrkort
  22. Jo Farrow
    All still under the same yellow wind warning, Low impacts
  23. Jo Farrow
    Current wind warning for Thursday from Midlands up to Shetland - Low impacts Really don't feel that is representative
  24. Jo Farrow
    I did compare the Shetland forecast with Leicester in my Front page blog today, as both are covered by the same Yellow wind warning, very likely/Low impacts. That is not the case for the Islands, even Peterhead end of Aberdeenshire
  25. Jo Farrow
    The Met Office twitter account has still not mentioned Storm Pia (even though it was named by DMI) if naming a storm is left for the country who will see most impacts, I don't see why the UK< which will still be impacted (and more than that widespread yellow suggests) doesn't get to hear about it. Given the time of year, the impacts are higher and highlighting the message, even more so
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