What Is a SPECI and When Is It Issued?
Pilot Institute
NOVEMBER 5, 2024
Thunderstorms can also bring wind shear and lightning. For example, “WS” means wind shear, which is important for approach and landing, while “SLP” provides detailed sea-level pressure information for adjusting your altimeter. 011955Z : The date and time of issuance (first day of the month at 19:55 UTC).
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