The indicating range for {TAIL ~ the speed} of change in {HEAD ~ barometric pressure} is preferably essentially between 5 hPa/h and +5 hPa/h 
The indicating range for { TAIL ~ the speed } of change in { HEAD ~ barometric pressure } is preferably essentially between 5 hPa / h and +5 hPa / h
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH