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Paul

Summer Storms - Lightning Strike Maps

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It's been a pretty stormy summer compared with recent years, but as it's all about local differences with some places seeing multiple storms, and in fact multiple storm days, others seeing nothing.

The strike maps (taken from the ATD lightning detection) tell the story!

June

post-2-0-17722100-1346669547_thumb.png

July

post-2-0-00268800-1346669545_thumb.png

August

post-2-0-40458700-1346669543_thumb.png

Summer Overall

post-2-0-49611800-1346669550_thumb.png

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Loving the maps Paul, certainly an excellent season for storms for lots of locations around the UK... Unfortunately I seem to be in the sparse white area over West Cumbria :(

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not been to bad season here this year just missed out a few storms

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Looks like the best areas this year have been South Wales, up through the Midlands and into Eastern England!

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Last year there were 8 thunder days here, this year its up to 18 at the moment, the storms around Leicester were unusual with hail of H8 intensity, this happens maybe every 50yrs+....

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A really great graphic way to illustrate the storms of this Summer and how many of them developed in Wales and went North Eastwards through the Midlands and into the Humber estuary - ultimately into the North Sea (ringed in blue)

post-6667-0-21167500-1346671807_thumb.pn

For me, it also points to my local area (ringed green) and how we really did throw up a storm shield this year with hardly anything in the Channel or along the Sussex coastline.

Taking the general trend on those ATD charts, this MetO jet direction map of 18th July may give a clue as to why it all went the direction it did this Summer?

jetstream_01.jpg?w=510&h=184

http://metofficenews...tag/jet-stream/

General trend through July:

upper_level_wind_earlyjuly2012-v2.png

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Ha. Look at that great big white halo around the Isle of Man.. rolleyes.gif This time of year we are coming into now is generally best for big storms here. When the air temperature starts going lower than the air temperature above it. We'll see.... ph34r.png

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As i just tweeted .. those maps sum up my the activity in my areas perfectly, nil! :(

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great to see the whole summer and to some extent bears out the average number of thunderstorms shown on Met O maps.

Just one point Paul? Is it possible to darken the coastlines please as for eastern England it is a bit difficult to position places?

thanks if you can

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Very nice and Interesting maps there, shows the 28th June storms well. I notice the SW seems to be the area with the least strikes again. Then again I'm sure August had more strikes here, the 11th/12th had overnight mid-level storms with distant lightning to the west for a couple hours (though not that frequent) then one move overhead with strikes to my south in the channel then nearby then to my north. These don't seem to show on the map though with only a small storm centered a few miles north/NE of me on the 25th shown.

But I also remember those didn't show well on the Netweather radar ATD overlay, with just a few random strikes shown often 20-30 miles from any precip. It seemed to have a funny few hours.

Overall though it shows I was in one of the best areas in Devon/Cornwall, with the 3:30am storm on the 28th June having frequent lightning every few seconds at the most frequent, so into the hundreds overall (looks less on the map they were presumably on top of each other)

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Nice maps there, only about 3 strikes near me but none in my area, my area seems to do better in the winter.

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interesting map, dispels the myth that the south east is the storm capital, its actually a certain swathe through the midlands , followed by the north east,, the north west of england surpisingly does not fare too bad either but west wales , devon and cornwall are poor

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1 Thunderstorm this year here....happened a couple of weeks back and comprised of one flash and one rumble! Looks like we had some close-ish strikes in July though

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dispels the myth that the south east is the storm capital

I could have done that without those very interesting charts this year, unfortunately....... rolleyes.gif

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I could have done that without those very interesting charts this year, unfortunately....... rolleyes.gif

don't worry I'm in the same boat....I even have an 'x marks the spot' over my area on the overall summer strikes map. Now if that aint me being mocked, I don't know what is!

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don't worry I'm in the same boat....

I'm just imagining that white in my area is actually snow blanketing the ground this Winter nea.gif

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I'm just imagining that white in my area is actually snow blanketing the ground this Winter nea.gif

Well I'm currently suffering the most bland 18 month spell of weather I've ever known; if it continues then I guess it's going to preclude any snowfall this coming winter!

The thought of high pressure for another week or so fills me with dread too, I had a friend complaining he was on holiday stuck in the middle of a hurricane the other day. I told him, I'd quite happily swap places!

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It looks like the South West has done pretty poorly this year according to those charts too, yet I thought Devon & Dorset especially done pretty well!

Shows how much I know!

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I think this correlates well with the fact most storms this year were brought along from a SW'ly direction most of the time. This is probably why areas in the SW has little on the strike maps compared to those further NE. Sw areas brewed the storms.

For my area I did manage to get a decent enough storm or two but whats notable is the lack of continental imports. However with the synoptics experienced for the main bulk of summer, its hardly surprising.

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It's not too surprising for me that the strikes are orientated SW-NE along prevailing steering winds with the greatest concentration in the east, due mainly in my opinion to land track - the greater the time over land the stronger the storm. It's interesting to see that within that there have been particular locations that have been good at generating storms, the likes of Newport, Brecon Beacons, Waterford, The Pennines, Birmingham, the outer Dee/Mersey estuaries and others. The Beacons/Southeast Wales have been particularly good, including of course on June 28th.

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