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The Tall Weatherman's Achievements
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Storms and Convective discussion - April 2024
The Tall Weatherman replied to Supacell's topic in Storms & Severe Weather
Even in Northamptonshire we could see it. Multiple bright flashes over the horizon of the Nene made it quite special despite the poor frequency of bolts. Hopefully we see more of this in the future ️- 355 replies
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N/E Oklahoma and the Texas/Oklahoma border in my opinion is most favourable right now for tornadoes based on the HRRR. The SPC does not seems to be picking up on the southern Oklahoma area where discrete supercells at the back end interact with a highly sheared environment as seen on the curved hodographs and an influx of Energy as it moves N/E. Definitely a big hailer event with some supercells getting tornado warned and many not. Sig tor parameters are also off the charts.
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@Eagle Eye It seems based on soundings that MU Cape does weaken over the channel although not enough to get rid of all the storm activity. As soon as the channel muck reaches southern England the Arome thinks it will explode into life. <1100 J/kg of Surface based Cape and MU cape across much of Central Southern England should be enough to cause some potentially active storms this evening. Personally I think that any storms in front of the band would be stronger than the main band so we should radar watch for the next few hours.
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Definitely some scope tomorrow evening for some storms in the south ️ The Arome model shows <900J/kg of surface based cape in the Afternoon across the far south and widespread strong radar returns. Diurnal heating and sea breeze convergence should also aid convection across this area as we move into the evening. Models are still some time out so we should wait and see
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Tomorrow in the South-western areas looks to be quite interesting as @Eagle Eye pointed out. Locally could expect <1000 j/kg of Surface based Cape tomorrow in the South west and central areas along with a strongly sheared environment (0-1km SRH) that coincides with a curved hodograph. I would not be surprised that if storms matured in this environment especially in the south-west, we could see properly strong storms even later on into the evening hours tomorrow as seen on the Arome model. A tornado seems unlikely but could still happen if the ingredients line up.
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The next few days could be the first thunderstorm days for some of us. Cape seems minimal in the next few days and seems to peak on Thursday and Friday where we can expect scattered downpours and perhaps a rumble. @WeatherArc Wow what a storm that was ! Don’t remember seeing a clear bolt 100+ miles away before that and hopefully we see something like it this year copy_30899B7C-01CA-4956-9ACC-C13B47C0F61A.mov