Yep. "91" seems an error to me
More than 90 should mean, more than 9 cm of a certain deposit.....
The change took place between 00h20 and 00h50 LT the 9th of December:
EBLG 082350Z 25006KT 4800 BR BKN014 M03/M04 Q1016 R23L/729195 BECMG 5000 BR=
EBLG 082320Z 24007KT 3500 BR BKN014 M03/M04 Q1015 R23L/290245 NOSIG=
So, within half an hour, 2 mm of Waterpatches----> 9,1 cm of Ice without any precipitation. Mmmm, not logic, unless the fire brigade did a firedrill test and hosed the runway
Look also to the "29" is used in both METAR's, only 1 position further
The same SNOWTAM is copied throughout the whole night.
Guess somebody must have been
