CheckWX is a tool to help pilots better visualize weather data.  It is not intended as a substitute for an official pre-flight weather briefing.

16:59:44 UTC

KHAF SIGMET
Half Moon Bay Airport
Half Moon Bay, California, USA
Convective SIGMET
Valid From
May-23 @ 15:55 UTC

Valid To
May-23 @ 17:55 UTC

Hazard
Convective

WSUS33 KKCI 231555 SIGW CONVECTIVE SIGMET...NONE OUTLOOK VALID 231755-232155 FROM 50ESE REO-80WNW LAR-ALS-60ENE INW-40SE BTY-50S FMG-50ESE REO WST ISSUANCES POSS. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.