Friday 20 May 2011

Weather for the 21st and 22nd of May

Well things are looking quite good for this weekend, so lets take a look in detail. Currently there is a weak cold front pushing in from the North West off a twin low pressure system, this will become increasingly weak but produce enough instability over the weekend for some good soaring conditions.

Saturday - Pressure will be around the 1020 mark decreasing slowly as the low moves in. winds will be out of the South East steady around 12kts gusting to 17 - 20kts at times. Sfc temp will be around 18dc at lunch time with the dew point a good ten degrees behind. Cloud base is forecast to start around 2500ft AMSL and push up to nearly 4000ft AMSL by peak heating. a nice inversion followed by a rapid dew point depression should limit any over development and spread out.

Sunday - Pressure around the same as saturday slowly increasing during the day, temp will be around the same also. Winds will be much stronger - 18-20kts out of the west and there is also the risk of some over development due to a shallower inversion and higher CAPE values.

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