Low Pressure

cmhumphr

cmhumphr

Well-Known Member
Is anybody flying tonight?! Altimeter at Newark is 29.03! What is the lowest you've seen/flown in?


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28.20 just a few months ago, while just 400 miles north it was over 30. Needless to say, winds aloft were a tad strong.
 
I've seen/issued altimeters in the mid 28's before (I want to say 28.5 to 28.6 range). I'm not saying it was ops normal, but I've seen it. We had a tornado roll over the field a few years back. One ILS ended up in a parking lot, but the ATIS kept rolling even after the tower evacuated. I was off and having a beer with a JC member, but legend has it, it recorded in the high 27's.
 
Cold Bay is 29.00 and dropping right now, Sand Point is 28.83. Nothing out of the ordinary. Just winter lows.
Usually when it drops into the 28's the controller will say, "Altimeter low, 28.83." Just to make sure you don't hear just the "83" and set 29.83.
 
z987k said:
Cold Bay is 29.00 and dropping right now, Sand Point is 28.83. Nothing out of the ordinary. Just winter lows.
Usually when it drops into the 28's the controller will say, "Altimeter low, 28.83." Just to make sure you don't hear just the "83" and set 29.83.
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Spent two months in Sand Point a few years back. The weather out there is crazy.
 
That's insane that you guys have seen below 29.00. I've never really flown professionally anywhere except the northeast US so I haven't encountered much Atlantic Canada.
 
cmhumphr said:
That's insane that you guys have seen below 29.00. I've never really flown professionally anywhere except the northeast US so I haven't encountered much Atlantic Canada.
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It's not common, but definately seen it many many times.
 
I got it in Newfoundland a couple of times...each altimeter setting was called out by ATC as "Two Eight Nine Two, I say again, Two Eight Nine Two".
 
I saw 28.80's back in my freight days. I also heard a regional check on and accept the altimeter setting, only to get a low altitude alert. They were 1000' lower than they were supposed to be. I think I even put this on here after it happened.

This was in the Midwest of the US.
 
canadian_atc said:
I've issued 28's countless times.

Welcome to Atlantic Canada in the winter

We also have to issue it twice, instead of being A2992 it will read A2-8-8-0
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Interesting. In the US... well at least Alaska, they just say Altimeter low, 2-8-8-0, but don't repeat it.
 
canadian_atc said:
ICAO I assume....
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Ya, the FSS in AK still accepts non-ICAO flight plans for rnav routing... probably because it confuses the old timers too much. I'm going to laugh some day when they go to file and they actually make them do it ICAO.
 
z987k said:
Ya, the FSS in AK still accepts non-ICAO flight plans for rnav routing... probably because it confuses the old timers too much. I'm going to laugh some day when they go to file and they actually make them do it ICAO.
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I asked Anchorage center once if they wanted the IACO codes, their response was "You meant /G, right?"
 
ASpilot2be said:
I have bottomed out the altimeter setting window going out to St, Lawrence Island before.
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What did it go down to in the CASA? When I played with it in the G600, I seem to remember being able to go up to like 32.something and down into the 25's.
 
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