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Visibility contours
http://www.weathergraphics.com/forum/viewtopic.php?f=9&t=1571
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Author:  simonjk [ Wed Jan 20, 2010 12:33 pm ]
Post subject:  Visibility contours

Hi,

I am trying to make a contour chart using visibility from SYNOP or METAR observations.

Anyone got any ideas?

Thanks,
Simon

Author:  simonjk [ Tue Feb 09, 2010 3:57 pm ]
Post subject: 

Just thought you might like to know I solved the problem by inferring vis from the temp and dewpoint.

Here's how:

#Inferred Visibility & Wind (Beaufort)
timeron
remove
erase
blank
download,[url]http://weather.cod.edu/digatmos/syn/@YYZ@MMZ@DDZ@HHZ.syn,C:\Program[/url] Files\DigitalAtmosphereWS\data\incoming
ingest,C:\Program Files\DigitalAtmosphereWS\data\incoming
MAKE,1,54.00,-3,1000,835,600,0,0,1,1
ANALYZE,STOR=3 SDIF 1:2 STOR=2 DWPT STOR=1 TEMP
ANALYZE,OVER FILL COLOR=255:000:000 FILS=0 LSTN=1
ANALYZE,OVER FILL COLOR=255:165:000 FILS=0 LSTN=2.1 GRTN=1
ANALYZE,OVER FILL COLOR=255:255:050 FILS=0 LSTN=3.1 GRTN=2
ANALYZE,OVER FILL COLOR=000:205:000 FILS=0 LSTN=4.1 GRTN=3
ANALYZE,OVER FILL COLOR=255:255:255 FILS=0 LSTN=5.1 GRTN=4
stamp
export,c:\dawscharts\ukvis.jpg
timeron
remove



Simon

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