"Philip Eden" philipATweatherHYPHENukDOTcom wrote :

0850z WNW F1 7km HZ 7CiCs250 -01.0/-01.3 1014.2
RMK: Ground frozen though not rock hard; copious hoar;
RH parhelion.

1150z SSE F1 15km 7Cs220 04.4/02.4 1013.2
RMK: A little hoar remains in shaded spots; weak solar halo

1450z SE F1-2 25km 3Ac130 3Ci180 7Ci250 03.8/01.9 1011.4
RMK: Circumzenithal arc 1215-1235, brightly coloured;
solar halo then returned until about 1330z. Ac now invading from
the west

Philip Eden
Whipsnade Obsy 229m Lodge 214m