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updated downloader

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straitz 2026-03-22 16:29:53 +09:00
parent ca95e06ab7
commit 8e9f117799
30 changed files with 1209 additions and 698 deletions
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9
internal/pkg/grib/pressure.go
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@ -2,15 +2,6 @@ package grib
import "math"
// 47 pressure levels matching tawhiri configuration
var pressureLevels = []float64{
1000, 975, 950, 925, 900, 875, 850, 825, 800, 775,
750, 725, 700, 675, 650, 625, 600, 575, 550, 525,
500, 475, 450, 425, 400, 375, 350, 325, 300, 275,
250, 225, 200, 175, 150, 125, 100, 70, 50, 30,
20, 10, 7, 5, 3, 2, 1,
}
func pressureFromAlt(alt float64) float64 { // ICAO ISA
return 1013.25 * math.Pow(1-alt/44307.69396, 5.255877)
}