{"calculator":{"slug":"wind-correction-calculator","math":{"href":"https://www.tracktoolspro.com/api/calculators/wind-correction-calculator","jsonPointer":"/calculator/math","version":"2026-10-21.1","implementationVersion":"b5a8aca7b85361476e0321a08b7fa5f516fc9535","scope":"Canonical HTTP function and documented corresponding mounted-form math. This is public inspectable documentation, not access control or independent empirical validation.","unitNotation":"Input paths use [] and *; output paths are JSON Pointers with * (one segment) and ** (descendants). Empty output path denotes scalar result. Units apply to numeric quantities or explicitly described numeric strings; labels/statuses/booleans are dimensionless. More specific units, including count/index exceptions, override broad patterns.","interfaceNotes":["HTTP input is described by the adjacent inputSchema. The original handlers may accept numeric strings; this metadata adds no validation.","Mounted forms accept displayed clock/unit strings and enforce their own limits. Mounted tools limit strings to 200 characters and numeric parts to magnitude 1000000. Do not assume mounted/API input interchangeability.","Some legacy extreme/invalid tuples can produce null/empty results or nonfinite numbers serialized as null. Those are unavailable answers, not exact numerical predictions. Per-calculator domain describes the intended mathematical inputs."],"kind":"empirical-model","implementationFiles":["lib/formulas/track-utilities.ts"],"equations":["benefit=c0*wind+c1*wind*mark+c2*wind^2, from the selected canonical coefficient row.","Track: neutral=mark+benefit (seconds). Horizontal jumps: neutral=mark-benefit (meters).","100m legal(+2) mark=(neutral-2*c0-4*c2)/(1+2*c1). Other rows: legal=2*neutral-correctWind(event,neutral,2); their c1=0 makes this the additive inverse."],"inputUnits":{"event":"enum/string (dimensionless)","mark":"s for track, m for jumps","wind":"m/s (positive tailwind)"},"outputUnits":{"/neutral":"s or m per unit","/legal":"s or m per unit"},"domain":["Positive finite mark and finite wind in a supported event; invalid scenarios return {neutral:null,legal:null,unit}."],"rounding":["Raw IEEE-754 numbers; the mounted page formats clocks separately."],"assumptions":["Uses the entered values and the selected convention; this documentation does not strengthen existing validation."],"limitations":["Scenario at+2m/s is not a legal-mark certification. Empirical coefficients, not exact aerodynamics."],"mountedPageNotes":[],"workedExamples":[{"input":{"event":"100m","mark":9.58,"wind":0.9},"expected":{"/neutral":9.617743498,"/legal":9.543794003050294},"absoluteTolerance":1e-8,"note":"Illustrative canonical-handler result; not independent validation of an empirical model."}],"constantsAndTables":{"coefficients":{"100m":[-0.0449,0.009459,-0.0042],"200m":[0.09,0,-0.01],"100mH":[0.093,0,-0.01],"110mH":[0.093,0,-0.01],"Long Jump":[0.029,0,0],"Triple Jump":[0.069,0,-0.009]},"coefficientOrder":["c0","c1","c2"],"scenarioWindMetersPerSecond":2},"sources":[{"title":"Canonical HTTP binding at the documented implementation revision","url":"https://github.com/wickthumb/track_tools_pro_marketing/blob/b5a8aca7b85361476e0321a08b7fa5f516fc9535/lib/calculator-functions.ts","note":"Existing calculation handler; math metadata is additive."},{"title":"lib/formulas/track-utilities.ts","url":"https://github.com/wickthumb/track_tools_pro_marketing/blob/b5a8aca7b85361476e0321a08b7fa5f516fc9535/lib/formulas/track-utilities.ts","note":"Primary implementation source for these equations/tables, not a claim of scientific calibration."},{"title":"Moinat, Fabius & Emanuel, 2018","url":"https://onlinelibrary.wiley.com/doi/full/10.1080/17461391.2018.1480062","note":"Moinat, Fabius, Emanuel 2018 empirical wind model. Does not validate the separate practice-split 100m regression."}]},"annotations":{"readOnlyHint":true,"consequentialHint":false},"name":"Wind Correction Calculator","description":"This wind correction calculator adjusts sprint, hurdle, long jump, and triple jump marks for wind using event-specific coefficients. Convert a recorded mark to neutral +0.0 m/s and estimated legal +2.0 m/s conditions.","category":"Sprints & Hurdles","method":"POST","endpoint":"/api/calculators/wind-correction-calculator","page":"/calculators/wind-correction-calculator","inputSchema":{"type":"object","required":["event","mark","wind"],"properties":{"event":{"type":"string","description":"Event name.","enum":["100m","200m","100mH","110mH","Long Jump","Triple Jump"],"default":"100m"},"mark":{"type":"number","description":"Recorded time in seconds or jump mark in meters.","minimum":0},"wind":{"type":"number","description":"Wind in m/s. Positive is tailwind."}}},"example":{"event":"100m","mark":9.58,"wind":0.9}}}