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Check for atmospheric inversion via KSEA soundings
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#!/bin/bash | |
# Check for atmospheric inversion via KSEA soundings | |
# ex: | |
# +.08 - 41.78° @ 867.55 feet | |
# +.88 - 42.58° @ 1064.47 feet | |
# +.84 - 42.54° @ 1295.16 feet | |
# Portland, OR (KPDX) - https://a.atmos.washington.edu/mm5rt/rt/showsounding_d3.cgi?initmodel=GFS&yyyymmddhh=timeindep&reqhr=12&loc=kpdx&locname=Portland,OR&latlon=45.59N,122.6W | |
sounding=$(curl -s 'https://a.atmos.washington.edu/mm5rt/rt/showsounding_d3.cgi?initmodel=GFS&yyyymmddhh=timeindep&reqhr=12&loc=ksea&locname=Sea-Tac,WA&latlon=47.44N,122.31W') | |
out=$(grep -A 30 TMPF <<< "${sounding}" | tail -30 | awk '{print $4,$10}') | |
floor=$(head -1 <<< "${out}" | cut -d\ -f1) | |
while read temp elev; do | |
if (( $(bc <<< "$floor < $temp") )); then | |
diff=$(echo "$temp - $floor" | bc) | |
echo "+$diff - $temp° @ $elev feet" | |
fi | |
done <<< "${out}" |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash | |
# Check for atmospheric inversion via KSEA soundings | |
# ex: | |
# +.08 - 41.78° @ 867.55 feet | |
# +.88 - 42.58° @ 1064.47 feet | |
# +.84 - 42.54° @ 1295.16 feet | |
sounding=$(curl -s 'https://a.atmos.washington.edu/mm5rt/rt/showsounding_d3.cgi?initmodel=GFS&yyyymmddhh=timeindep&reqhr=12&loc=ksea&locname=Sea-Tac,WA&latlon=47.44N,122.31W') | |
out=$(grep -A 30 TMPF <<< "${sounding}" | tail -30 | cat -n | tac | awk '{print $1,$5,$11}') | |
floor=$(tail -1 <<< "${out}" | cut -d\ -f2) | |
while read layer temp elev; do | |
if (( $(bc <<< "$floor < $temp") )); then | |
diff=$(echo "$temp - $floor" | bc) | |
bar=$(perl -e 'print " " x '"$diff"', "|"';) | |
echo "$layer,+$diff,$temp°,@,${elev}, $bar" | |
else | |
echo "$layer,,$temp°,@,${elev}, |" | | |
sed 's/^1,,/1,surface,/' | |
fi | |
done <<< "${out}" | | |
column -s, -t | | |
lolcat -F .2 -p 1000 -S 43 |
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sounding.sh