MEX MOS 12H QPF BEST CATEGORY (num)
Valid 0000 UTC Tuesday (Monday Evening)
Tuesday Wednesday Thursday Friday Saturday Sunday
00 12 00 12 00 12 00 12 00 12 00 12

12H QPF BEST CATEGORY: The quantitative precipitation forecast (QPF) category for liquid-equivalent precipitation amount during the 12-hour period ending at the specified time. Categories are derived from QPF probabilities, and are designed to yield forecasts having desirable skill characteristics.