PPRuNe Forums - Pressure tendency q. (METAR Remarks)

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Squawk7777

22nd March 2004 21:04

Pressure tendency q. (METAR Remarks)

Hiya all!

While reviewing for my interview next week, I realized that I had forgotten the pressure tendency units in the Remarks section of the METAR (US format). As usual is it written down somewhere, but it is hiding from me ... :rolleyes:

It comes in the format 5appp, where 5 represents pressure tendency , (a) the change in pressure, and (ppp) the actual change (tenths of hPa) in the last 3 hours. My question is what exactly the numbers 0-9 in (a) represent.

7 7 7 7

Xacto

22nd March 2004 23:07

Hi there,

Click here

Select chapter 15, scroll down and select section 15-59 and see fig 15-9.

Regards.

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