METTSVR MOS 12-HR PROBABILITY OF THUNDERSTORMS (LTNG) (%)
Valid 1800 UTC Sunday
Sunday Monday Tuesday
18 00 06 12 18 00 06 12

12-HR PROBABILITY OF THUNDERSTORMS (LTNG): The probability that a thunderstorm will occur within a 40 km grid box during the 12 hour period ending at the specified time. A thunderstorm is defined as 1 or more cloud-to-ground lightning strikes.