FA-70977 / Weather index computation / Member archive

WBGT heat flag: solar branch selection · case 02

Indoor gyms use the sunlit formula and field sites use the indoor one.

Member previewVariant 2 · 3 implementations · 8 checks per implementation

Case contract

Inputs natural wet bulb, globe and dry bulb in degC and whether the site is in sun. Sun: WBGT = 0.7Tw + 0.2Tg + 0.1Td; shade/indoor: 0.7Tw + 0.3Tg; round to 0.1 degC. Convert the rounded value to degF (x*9/5+32) and flag: <80 white, <85 green, <88 yellow, <90 red, else black.

Why this case matters

Training and work/rest schedules follow the WBGT flag colour.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
Tw 24 Tg 35 Td 30 indoor	`[26.8, "green"]`	`[27.3, "green"]`	Failed

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