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Sainsbo

Pro Forecaster / Meteorologist
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Posts posted by Sainsbo

  1. I know it's probably a good idea to completely ignore any of the precipitation charts, but the 0z NMM has a small area accumulating a total of 150-200mm by the end of this, with a wider area receiving up to 100-150mm, most of which falling in less than 6 hours.

     

    Regardless where the storms may actually occur, whcih we probably won't know until we start nowcasting, the conditions are clearly there for someone to get it bad. Temperatures look like they will get widely into the mid 20's now, rather than just the SE forecast a couple of days ago

  2. Took some pics in July last year, and I'm still not sure what type of clouds these are. I'm not really sure if the storm was a supercell, but theres a good chance that it was (Looked like it had a definitive hook on the radar, some serious rotation, lasted for a long time, and had decent sized hail). I thought they might be cumulonimbus, but I've never seem cumulonimbus clouds that look like this before, and they don't really look like mammatus clouds, but I'm not sure what else they could be.

     

    Here's a link to the pictures in the post I did last year, any help would be greatly appreciated. It's still bugging me :fool:

     

    https://forum.netweather.tv/topic/80884-spanish-plume-anyone-storm-and-convective-discussion-17th-july-onwards/page-147#entry3009784

     

    Thanks!

  3. Dolphin's still blowing up now.

     

    Eye temperature is up to 15C, and cloud tops are still at -75C. The system looks like it's becoming much more symmetrical too, and with raw T numbers of T7.0, I don't see anything to suggest Dolphin won't be a Category 5 on the next advisory. They are still expecting a peak of 145kts, but only time will tell.

     

    rbtop0-lalo.gif

     

    It looks even more formidable when you see the size of it

     

    rb-l.jpg

    • Like 1
  4. A lot of the models are showing that Dolphin may become a monster in size and intensity in a couple of days.(Almost all of the models going sub-900mb, some down to ~880mb, though we know how unreliable these can be) Definitely one to watch.

     

    JTWC forecasting 115kts about 4 days from now. Woudn't be surprised if it's much higher than that. Conditions look near perfect when the shear eases away.

    • Like 1
  5. The significant difference about this low in comparison to the LPS's we normally see seems to be that the potentially damaging gusts are much further inland than we are usually used to seeing. It might not seem like anything too significant (but still dangerous!) for the people near the coast, but I think it may be a bit of a shock for the people further inland. The MetO are forecasting gusts of 60mph here, I can't remember many occasions where we saw gust speeds that high this far inland.

    • Like 1
  6. Other than the slight shift northwards on some of the models there hasn't been much of a downgrade overnight. 0z GFS(P) still showing a huge swathe of >93mph gusts over N Scotland, and the GFS and NMM still showing widespread gusts of 80mph with gusts of 100mph+ for NW Scotland. Next few runs will be crucial, it will be interesting to see if they continue with the northward trend. It still looks very dangerous.

     

    24-289PUK.GIF?08-0

     

     

     

    Either way, I bet kite sales are up today. (Stay safe everyone!)

    • Like 1
  7. I can't remember seeing such a large area of off the chart windspeeds (at least in the reliable timeframe). The entire black area is >93mph, there could be some serious damage.

    Wouldn't be surprised to see a red warning issued for parts of Scotland sometime in the day tomorrow, providing we don't see dowgrades.

     

    36-289PUK.GIF?07-12

    • Like 3
  8. Definitely one to watch, most of the models do seem to be showing a low "bombing" out as it crosses/comes near to the UK, but there doesn't seem to be much agreement on when that happens, or how much it deepens (Which is to be expected when we're still 6 days away from this potential storm).

     

    I wouldn't get too worried just yet, plenty can change in 6 days. At least it makes for interesting model watching in the run up to christmas :)

    • Like 2
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