Question about Metar remarks "56014"
07-15-2008, 07:29 PM
#1
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Joined APC: Feb 2008
Posts: 15
Question about Metar remarks "56014"
A couple of us at school are having a hard time decoding this metar.
RMK A02 SLP154 T03280217 56014
We know all but the last 5 numbers; "56014" can anyone tell me what it means?
RMK A02 SLP154 T03280217 56014
We know all but the last 5 numbers; "56014" can anyone tell me what it means?
07-15-2008, 07:44 PM
#2
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Posts: 40
The "5" group is the 3 hour pressure tendency and amound of change.
How to Decode PART of a METAR Weather Observation - v
Dwight
How to Decode PART of a METAR Weather Observation - v
Dwight
07-15-2008, 07:47 PM
#3
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Joined APC: Jun 2008
Position: USAF
Posts: 1,398
amount of change in pressure in tenths of hPa for the past 3 hours:
56014=
The (5) indicates the group (3 hourly pressure tendency)
The (6) indicates the character of pressure change; Decreasing then steady; or decreasing then decreasing more slowly of (lower than 3 hours ago).....there's a table of codes for that from increasing (0) to decreasing (8)
The (014) = 1.4 hectopascals
56014=
The (5) indicates the group (3 hourly pressure tendency)
The (6) indicates the character of pressure change; Decreasing then steady; or decreasing then decreasing more slowly of (lower than 3 hours ago).....there's a table of codes for that from increasing (0) to decreasing (8)
The (014) = 1.4 hectopascals
07-15-2008, 07:54 PM
#4
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Joined APC: Feb 2008
Posts: 44
Pressure Tendency or the 3-hourly pressure tendency -
RequirementDescriptionCode
FigureAtmospheric
pressure now
higher than 3
hours ago.Increasing, then decreasing0Increasing, then then steady, or increasing then increasing more slowly.1Increasing steadily or unsteadily.2Decreasing or steady, then increasing; or increasing, then increasing more rapidly.3Atmospheric
pressure now
same as 3 hours
ago.Increasing, then decreasing0Steady4Decreasing, then increasing.5Atmospheric
pressure now
lower than 3
hours ago.Decreasing, then increasing.5Decreasing then steady; or decreasing then decreasing more slowly.6Decreasing steadily or unsteadily.7Steady or increasing, then decreasing; or decreasing then decreasing moe rapidly.8
- 3-Hourly Pressure Tendency (5appp). At designated stations, the 3-hourly pressure tendency group shall be coded in the format, 5appp, where:
- 5 is the group indicator,
- a is the character of pressure change over the past 3 hours and
- ppp is the amount of barometric change in tenths of hectopascals. See table A-24.
- The amount of barometric change shall be coded using the tens, units, and tenths digits. For example, a steady increase of 3.2 hectopascals in the past three hours would be coded 52032.
- Table A-24. Characteristics of Barometer Tendency
RequirementDescriptionCode
FigureAtmospheric
pressure now
higher than 3
hours ago.Increasing, then decreasing0Increasing, then then steady, or increasing then increasing more slowly.1Increasing steadily or unsteadily.2Decreasing or steady, then increasing; or increasing, then increasing more rapidly.3Atmospheric
pressure now
same as 3 hours
ago.Increasing, then decreasing0Steady4Decreasing, then increasing.5Atmospheric
pressure now
lower than 3
hours ago.Decreasing, then increasing.5Decreasing then steady; or decreasing then decreasing more slowly.6Decreasing steadily or unsteadily.7Steady or increasing, then decreasing; or decreasing then decreasing moe rapidly.8
Thanks!
07-17-2008, 07:27 AM
#6
Does NOT get weekends off
Joined APC: Jul 2007
Position: ERJ - 145
Posts: 1,631
I am pretty sure that no one will be asked about those on their oral exam. At least, if they do NOT get what those are, it wouldn't be held against them. If you know it, it will at least impress your examiner!
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