Measure Deadline Clock

Prototype
Now --:--

Changi now

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Getting the latest METAR…

The TAF

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Runway wind

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METAR TAF (dashed) Your limit

Flow measures

Timeline
Still open Closing soon Too late

When is the weather?

More tests, or paste a TAF

Settings

Your numbers

The page only does the sums. Put in the numbers your unit works to.

Flow measures
GDP: slot times out this many hours before the weather
GDP: coordination call this many minutes before slots go out
GDP: flights leaving within this many minutes of slots going out are exempt
Short-term measure: decide this many minutes before the busy hour
Busy arrival hour starts Blank = weather start.
Show "closing soon" within this many minutes
Runway wind
Runway 02 heading, degrees true Runway 20 is this plus 180.
Tailwind kt at which you would consider changing runway
Tailwind must last this many minutes to count as a real change
Testing
Test time Pretend it is this time now. Blank = real time.