0730z Var F1 20km 4Ac070 7Ci220 22.7/16.1 1014.0
RMK: Dark grey-blue tint to the Ac to the WSW
0900z NW F3 12km 6Ac070 6Ci220 23.4/14.4 1014.6
RMK: At 08z there was an extended blow (I'd hardly
call it a squall) from the NW lasting almost 5 minutes,
probably F 5-6 at its peak. At the same time the vis
dropped to 6km and there was a bar-kick of almost
1 mbar. No ppn, but we were beneath a line of quite
substantial AcCas elements at the time
1200z Var F2 8km RA 5Ac070 8AcAs120 19.4/17.0 1015.0
RMK: Rain started 11z with scattered drops the size
of half-crowns. Mod rain from 1130z. No thunder heard,
but then I was in the dentist's surgery between 11 and 12.
Vigorous barograph antics (+ or -2mbar) in the last 3hr
RTD
1500z NNW F3 6km -RETS+RA 6Cb060 8AcAs100 18.0/16.6 1012.8
RMK: Very dark around 1430z, heavy rain broke 1445z.
Single c-c discharge a muffled rumble 1450z. Bar dropped
2.5 mbar in 20 mins. Stayed offline till 1620z.
1630z Var F1 25km 1Cu012 4Ac130 6Ci220 19.3/17.1 1012.6
RMK: Rain stopped by 1530z, sun soon broke through. Sky now
more benign than at any time of the day. A little Cu Fr low in the
sky to the WNW

Philip Eden
Luton (Round Green) 155m