Thunderstorms bring a Holyrood awakening

It was just before 3am that I was awoken by faint rumblings outside. I knew there was a risk of thunder before I’d retired to bed a few hours earlier but I’d discounted the risk along with any thoughts of staying up to watch the referendum results unfold in Scotland.

This radar shot shows the storm just beginning to hit Wanstead. The rain was far heavier to our east. 17.2mm was reported at Laindon, Essex. An observer at Woodford Wells recorded 19.9mm her in about 25 minutes 0310-0335 bst

This radar shot shows the storm just beginning to hit Wanstead. The rain was far heavier to our east. 17.2mm was reported at Laindon, Essex. An observer at Woodford Wells recorded 19.9mm her in about 25 minutes 0310-0335 bst

Lightning then illuminated the room through the gaps in the curtains followed by more rumblings: it’ll pass, I thought. Crash – I grabbed my phone – was this an isolated event? The radar showed a line of slow moving storms moving up from the south. More lightning and loud thunder. My Twitter feed told me it wasn’t going too well for those wanting independence. At this point intensely bright lightning was rapidly followed by one of the loudest claps of thunder I’ve heard around 3.10am. Car alarms were set off – may as well get up I thought… The Inverclyde result was announced – ‘No’, by the narrowest of margins 50.1% to 49.9%. That’s it then, I thought. The lightning and thunder gradually began to fade away with hopes of an independent Scotland, on this night anyway. I glanced at my stats which seemed far less impressive than what was recorded elsewhere: 7.7mm, no big fall in temperature or pressure like previous storms during the summer.

Just a few hours later I walked my younger daughter into school, my bleary eyes struggling to focus – the humid and steamy atmosphere felt more like July than September. Indeed Thursday had been the warmest September 18th since 1997 which, strangely, was the same year that another momentous British event took place: the handover of Hong Kong to China. I remarked to a couple of parents that the only thing that had changed overnight was that Andy Murray will forever be the “Scottish” tennis player after his comment on Twitter.

The forecast advised that there was a continued threat of thunderstorms. It was humid but it didn’t ‘feel’ stormy – though around 2.30pm I could hear the beginning of faint rumblings in the distance.

Clouds above could be seen developing rapidly at 2.30pm

Clouds above could be seen developing rapidly at 2.30pm

I left for work on my scooter at 3pm, carefully watching the sky for any developments all of which seemed to be in the distance. After stopping for petrol in Leytonstone High Road huge drops of rain began splattering the pavement. They were few and far between, however, and the sun defiantly continued to shine. After riding past Stratford I suddenly became aware that the buildings in the distance, past Bow flyover, were gradually beginning to disappear. I pulled in to a turning where Gala Bingo is situated. An electronic noticeboard enquired: “Do you feel lucky?” Not today I thought and retrieved my overtrousers that live under the seat, hastily pulling them on as I watched the impending storm begin to close in.

I continued on and was soon enveloped in the full force of another thunderstorm. Marble-sized hail clattered off my crash helmet while dangerous gusts, caused by wind funneling through the new high rise flats by the Olympic Park, did their best to push me off. Just as I crossed the canal a sheet of rain engulfed me and the drivers to my right. The road in front suddenly turned into a shallow river. I usually ride over the flyover – not today with the torrent of water cascading off the sides.

The 3.15pm storm that flooded large parts of East London. The white area shows where the heaviest rain was

The 3.15pm storm that flooded large parts of East London. The white area shows where the heaviest rain was

By the time I reached Mile End the rain had almost stopped. The City looked fairly dry and on reaching London Bridge the roads were completely dry. The Friday crowds were out in force in Borough Market, enjoying the sunshine and seemingly oblivious to the chaos unfolding just a few miles away in East London. Within 10 minutes of walking into my office Alex Salmond announced his resignation. Another storm: another momentous event! It was another of those coincidental storms that, in my mind, seem to mark momentous events such as the Royal birth last July

I checked the stats of the storm back in Wanstead: 24.5mm  fell  with a peak rate of 76.5mm/hr at 15.47. The storm ended a run of 16 dry days bringing the total for the month up to 33mm – the 24hr total was 30.5mm. The explosive convection of this storm can be seen here. The associated hail and rain brought much flooding to Hackney, Hackney Wick and Leytonstone. This storm seemed to be the result of a convergence line over London between light southerlies to the south and easterlies to the north – the heavy rain was very localised.

Flooding images can be seen on the following links at Dalston, Wanstead Flats, Leytonstone Station, Wick Road. A short clip of flooding at Wick Road can be seen here.

The flooding wasn’t restricted to East London. In Southend water started pouring through the roof of the Dixons theatre though it failed to stop the performance. Shops in London Road were inundated.

http://www.echo-news.co.uk/news/11486080.Fire_crews_receive_100_calls_as_severe_flooding_hits_Southend/

See also:

http://www.echo-news.co.uk/news/local_news/11353521.FLOODING_CHAOS___Southend_Hospital_A_E_evacuated_as_south_Essex_is_battered_by_downpour/?ref=var_0

http://www.echo-news.co.uk/news/11486049.Updated__Flash_flooding_hits_homes_and_businesses/?ref=var_0

 

 

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One response to “Thunderstorms bring a Holyrood awakening

  1. Pingback: September 2014: warmer and dryer than average | Wanstead Meteo·

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