Friday, 24 June 2005
BRACKNELL (TF)
0900 SSW F3 30km - 1/ACCAST 5/AC T223D146
RMK: Although Ac Cast. reported, overall the sky has become less
threatening - the main Ac is very thin, with about 3 oktas Cirrus above.
Strong sunshine - the surface wind highly variable from near calm one
minute to F4 within a couple of minutes: highly variable direction too.
[ OVERNIGHT DATA (18Z - 09Z):
screen min: 16.4 grass min: 14.1 precipitation: NIL
other data: The grass smells 'dead' - i.e. the smell you get when you
enter a barn of stored hay. ]=
1100 N F4 25km -TS 3/ACCAST 7/AC T214D150
RMK: 'ugly, threatening sky' to the west, assw ACCAST; muffled
(?high-level?) thunder heard, but no PPN. Wind rose to F5, ocnl 6 for a
short time.=
1105 N F3-4 22km -TSRA 5/ACCAST 8/AC
RMK: slight rain - large droplet size.=

1200 NW F3 15km -RA RE-TS 1/CB 7/AC T182D163
RMK: I've put in 1 okta CB to take account of the dark mass retreating
eastwards, but at no time could the classic Cb 'shape' be detected - the
base must have been well above 6000ft. Main Ac base ~ 7000/8000ft, but
lifting now and breaking from west; sunshine beginning to reappear.
Rainfall from this event (so far): 0.9mm, with short period moderate
rain 1115-1140Z. TS ceased ~1130Z, never a major factor in the weather
here. Very humid now - not the classic 'clearing' thunderstorm.=

--
Martin Rowley: data via -
http://homepage.ntlworld.com/booty.weather/metindex.htm
Bracknell (Wooden Hill/Tawfield), Berkshire
NGR: SU 854 667 Elev: 80m
Lat: 51DEG23MIN30SEC(N): Long: 00DEG46MIN28SEC(W)