"Philip Eden" philipATweatherHYPHENukDOTcom wrote :

0850z ESE F3-4 50km 1Cu030 7Ci250 17.8/10.3 1019.3
RMK: Cu hum; Tr Ac, some Cotra; partial solar halo

1150z ESE F4 50km 1Cu038 8Cs250 19.9/09.9 1017.9
RMK: Cu hum - amount decreasing having reached 4 okta
at one point. No optical phenomena presently visible with
the naked eye although an extremely faint partial solar halo
is just about discernible with polarising glasses

Philip Eden
Whipsnade 214m