Saturday, 11 November 2006
BRACKNELL (TAWFIELD)
0900 W F3-4 50km - 3/SC 4/CI T091D078
RMK: [COTRA] - 3Sc~040 (thinning & dispersing/evaporating rapidly),
4Ci/COTRA~260+ . . . probably more above 280 than below.
[ OVERNIGHT DATA (18Z - 09Z):
screen min: 08.7 grass min: 06.4 precipitation: 5.0 [24hr total: 05.0
mm]
other data: period of occasionally moderate rain from yesterday evening
(1920Z) until ~03Z, with some light / intermittent rain thereafter to
~05Z. The overnight maximum (also the 24hr maximum for the 10th) was
12.6°C ]=
1200 W F4 60km - 1/CU 3/CC 6/CI T102D060
RMK: [COTRA] - 1Cu fra~025, 3Cc~180/200, 6Ci/COTRA~260+ (and there may
be an element of Cs coming down from the WNW).=
1500 W F4 50km - 2/SC 3/AC 8/CS T104D042
RMK: [CAVOK / COTRA] - 2Sc~060, 3Ac~120(very thin / well broken),
8Cs~220/250, also very thin, through which the contrails / other Cirrus
can be seen.=

1800 W F4 40km - 7/SC 8/AS T106D054
RMK: 7Sc~035, 8As~100 (not sure about this latter - might be another
layer of Sc, but can't pick out any definition in the cloud - certainly
'solid' as no stars seen after some time looking.)
[ DAYTIME DATA (09Z - 18Z):
screen max: 10.6 precipitation: NIL
other data: day maximum is the current temperature - not the usual
scenario for November unless there is an air mass change involved, which
there isn't! ]=

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Bracknell (Wooden Hill/Tawfield), Berkshire, UK
NGR: SU 854 667 Elev: 80m
Lat: 51° 23' 30'' N: Long: 00° 46' 28'' W