Chalfont St Giles - Friday 17th December 2004
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0630z SW F3 15+km 2Sc030 8AcAs100 06.4/04.1 998
RMK: AcAs is a bit of a guess. It's certainly overcast.

0800z SW F1-2 7000 RA 6Sc012 8As080 05.9/04.5 995
RMK: Rain started at 0730z and immediately became moderate.

0900z CALM 6000 RA 3St007 6Sc012 8As080 05.7/04.7 992
STATS: Air min (2100-0900): 5.5 at 0025z Grass min: 2.6
Rain (0900-0900): 6.3 mm Rain (0000-0900): 4.2 mm

1200z N F2 8000 -RA 6St010 8As070 05.3/04.0 989
RMK: Rain often heavy between 0900 and 1100. Now gradually
easing off. 10.3 mm between 0900 and 1200. Wind became
N'ly at 0930. Pressure bottomed out at 988 mb shortly
after 1100.
Not a sharp kick, just a gradual bottoming out as the low
centre passed to the south.

1500z NW F4-5 20km - 6CuSc012 06.0/03.0 996
RMK: Wind very gusty. It's a bit dark looking to the NW - possible
showers. A total of 14.8 mm from today's rainfall event.

1610z NW F4-5 8000 SHRA 6Cb015 04.6/02.4 999
RMK: No doubt the same shower Philip had at Luton. No hail here
either.

1705z Very brief -SHGS (slight shower of small hail).

2100z NW F4 30+km - SKC 04.3/00.3 1007
RMK: Wind still quite gusty
STATS: Max: 6.4 at 1410z. Rain (1500-2100): 0.5 mm



Norman.
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--
Norman Lynagh Weather Consultancy
Chalfont St Giles 85m a.s.l.
England