Invest question

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hurricanetrack
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Invest question

#1 Postby hurricanetrack » Fri Jun 21, 2013 9:49 pm

I notice how the ATCF file starts with "BEGIN". I assume this triggers automatic programs to begin that invest on their software. So, does it end, with "END" to let that same software know that the invest is over, models are no longer being run? How does that work?

Thanks!
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#2 Postby JonathanBelles » Fri Jun 21, 2013 9:53 pm

You usually get the deactivation notice, or in the case of 93L, a renumber:

BEGIN
NHC_ATCF
invest_DEACTIVATE_al932013.ren
FSTDA
R
U
040
010
0000
201306172356
NONE
NOTIFY=ATRP
END
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Re: Invest question

#3 Postby cycloneye » Fri Jun 21, 2013 10:06 pm

As Johnathan said,ATCF when it classifies a invest to a TD does the renumber phase. This was 91L that turned to TD 1.

BEGIN
NHC_ATCF
invest_RENUMBER_al912013_al012013.ren
FSTDA
R
U
040
010
0000
201306060013
NONE
NOTIFY=ATRP
END
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#4 Postby SkeetoBite » Wed Jun 26, 2013 3:46 am

hurricanetrack,

The "BEGIN" and "END" are to mark the start and end of the ATCF data and have no other significant value. Computer programs that parse (read) this data for ingest (database storage), look for these markers and store everything found between them. Not all information, reports or releases from the weather service include these markers. We can assume that these markers are a hold over from the telegraph days or antiquated software at NOAA that relies on this format.

In this instance, the message will include instructions for 1)New Invest 2)Deactivate Invest 3) Reactivate Invest or 4)Renumber an invest that receives a storm number as shown in the example.

Be safe-
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