Forum Index > Weather Reports > Thunderstorm Discussion 13th - 19th June 2010

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Sean 10 days ago
ActivityRank: 141

Next chances of some thundery weather appears to be Monday as a Low moves southeastwards across the country on Sunday, taking a shallow pool of cooler air southwestwards across England and Wales. This increases the lapse rates, creating an increasingly unstable atmosphere which is likely to generate scattered showers with a threat of a few thundery showers too.
Atmospheric winds are roughly aligned the same at all levels so the the threat of a tornado/funnel remains quite low.

Current thinking is central southern England, the south Midlands, southeast Wales and Southwest England have the best chance of something thundery on Monday afternoon with enough surface heating. Indeed the current FAX chart (attached) shows a trough moving southwestwards across England during Monday daytime.
There is some reasonable precipitable water in the atmosphere forecast by the GFS for Monday, so any showers that do develop could drop some sizeable quantities of rain.

(Charts obtained from Netweather)

Attached thumbnail(s)

  • Attached Image: mon1.png
  • Attached Image: mon2.png
  • Attached Image: mon3.png

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