poseidon
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Posts posted by poseidon
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Met office and other models flagging up Wed night/Thurs for storms/thundery rain coming up from the south.
Meteociel GFS convective precip for Thurs:
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I'd be interested to see what people think of these shots - small funnel or not? They're of a cell that passed over this evening that appeared to show rotation - part of the base could be seen slowly spinning with swirls visible and protruding centre. A lowering then appeared from that region. After a while this shrunk and the spinning seemed to shift over. It had a very dark, low, scruffy cloud base and appeared to produce some intense rainfall from radar but not over me. No lightning.
Initial rotation
Cloud lowering
Rotation centre shifts
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8 minutes ago, Mokidugway said:
IR image it's all anvil dross ,lol
Meteociel Arome model shows the storms moving towards the south coast while losing intensity - may be some night time lightning over the channel I guess. First strike in the channel just now.
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French/Belgium storms heading north.....
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Interesting afternoon. Had an imposing surface based storm cell move down to my east earlier, thundering as it went. Couldn't see any lightning but had a spectacular cloud structure at times. Then two cells grew very quickly just to the south stretching narrow anvils right over my location. They also started thundering, quite loud at times. However, both anvils were drawn into the eastern cell. One cell then had the life drained out of it, while the other kept rumbling but it also eventually went the same way. Really bizarre to watch an anvil rapidly growing and stretching over your head and then making contact with and joining another cell. Definitely in a sweet spot this afternoon.
Anvil growing rapidly overhead
Anvil stretching towards eastern cell
Joining the eastern cell, anvil at top
Eastern cell
Cell growing upwards just to the south
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Cap has gone. More thunder - it sounds angry. Huge cloud formed right next to me now.
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The Sudbury cell is starting to look quite impressive from my back garden. Can hear thunder now and wind is really picking up.
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Huge elevated anvils going up west of here - looks spectacular.
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Wow. Storms from 3 different directions and a line passing right over with thunder that made the ground vibrate. Now reinvigorating again, and another cell to my east with constant strobing - looks very active.
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FYI, Tony Gilbert over on ukww has extended his risk box to cover Eastern side of the UK also based on current obs.
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Cap 1, Storms 0 round here now. Clear sky again.
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3 minutes ago, LB1994 said:
Been virtually cloudless all afternoon but have some of this passing through now which looks promising
Towers forming just to my south. Lots of accas.
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From a completely clear afternoon around here, cloud has suddenly started to bubble up.
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Arome (http://www.meteociel.fr/modeles/arome.php) has been pretty accurate so far today. 12Z just coming out.
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Some sferics getting closer to the East Anglia coast. Will it survive the crossing though?
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Possible supercell passing Saffron Walden yesterday shortly after it electrified, showing Pileus cloud cap. Couldn't catch up with it though unfortunately.
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Towers going up rapidly round here and sun still out. A number of strikes now showing on Blitzortung also.
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Meteox lightning risk map for Sunday
Fingers crossed.
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Just had a squall line pass over with hail, torrential rain and swirling clouds, gusty winds blowing the rain horizontally. Now thundering.
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That was a tasty little storm. Passed right over us with loud thunder and lots of crawlers. I saw the Netweather storm risk was 57% tonight but ignored it as it looked like the convection earlier had died off and was fairly cold out. Tempting to drive South and follow it.
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Sky box has just crashed. Decent storm. Pretty loud now.
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Well bit of a surprise - plenty of thunder and lightning passing over now. Some big flashes and loud bangs.
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Seeing lightning flashes from the NW.
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Monsoon rain here with gusty winds.
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Initial rotation
Rotation centre shifts
Anvil
What's this feature?
in Spring Weather Discussion
Posted · Edited by poseidon
This is a photo of a very active cell that passed overhead during the plume event elevated storms last week. It resembled a strobe light with loud thunder, gusty winds and some brief rain. I'm presuming that it was elevated from the strobing and general forecast. So what's in the photo? My guess is a shelf cloud.