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Cumulonimbus incus, N. Ireland, 2nd of April 2019 Estofex have issued a level 1 risk of severe convective wind gusts and hail for the island today

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Mammatus clouds over N. Ireland on a day with blustery wintery showers

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Some lively thunderstorms are affecting the west of Ireland, associated with storm Callum. Strong deep layer shear could support the development of a handful of mesocyclones/tornadoes with these storms. Wind gusts of over 100km/h are possible, especially in coastal areas. 

The first map at the top shows lightning strikes, displayed as crosses (source: Blitzortung.org)

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Some heavy showers about this afternoon, with a risk of thunder.

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Today marks the 33 year anniversary of one of the most destructive thunderstorms in Irish history. On the night of the 25th of July 1985, widespread severe thunderstorms erupted over the island, unleashing large hail and frequent lightning. The storms pulverized crops, damaged buildings and caused widespread flooding. Hundreds of farm animals were killed by deadly lightning strikes in what were probably the most remarkable storms in living memory.

Full report: Met.ie 

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Some torrential downpours this afternoon ahead of a slow moving cold front. No lightning, despite heavy looking skies.

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Lenticular cloud, Newcastle

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Lightning above São Paulo

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Gorse fire currently affecting the Mournes. Firefighters dispatched.

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Confirmed funnel cloud in Co. Londonderry.

Further showers are expected across Ulster, with a risk of isolated funnels/tornadoes, especially in areas with surface wind convergence. However, convective depth is too limited for much in the way of lightning activity.

Photo credit: Owen Anderson Photography

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Mammatus clouds like these are typically seen beneath the anvil of a thunderstorm, and look extra spectacular at sunset.

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