Function parseMetar

Parses a raw METAR or SPECI string into a structured Metar object.

Handles both US (FAA) and ICAO format METARs including CAVOK, QNH altimeter settings, and NOSIG trend indicators.

import { parseMetar } from '@squawk/weather';

const metar = parseMetar('METAR KJFK 041853Z 21010KT 10SM FEW250 18/06 A3012 RMK AO2 SLP203 T01830061');
console.log(metar.stationId);       // "KJFK"
console.log(metar.wind?.speedKt);   // 10
console.log(metar.flightCategory);  // "VFR"
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