I supposed balloons were used only for atmospheric sounding anymore.
I didn't know they were still used *anywhere* as a substitute for =
ceilometers.
I'm pretty sure I remember ceilometers being deployed 45 or more years =
ago.

"J Haggerty" wrote in message =
news:Qk_Bd.4488$2_4.750@okepread06...
Most weather ceilings are now determined by machine (a laser=20
ceilometer), even if it's relayed by a human. The old balloon method=20
that determined ceilings by how long it took for the balloon to enter=20
the clouds is only used these days at those sites that don't have a=20
working ceilometer.
=20
JPH
=20