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.

21:17:40 UTC

69WA SIGMET
O & M Facilities Heliport
Clarkston, Washington, USA
Convective SIGMET
Valid From
Apr-18 @ 19:55 UTC

Valid To
Apr-18 @ 21:55 UTC

Hazard
Convective

WSUS33 KKCI 181955 SIGW CONVECTIVE SIGMET...NONE OUTLOOK VALID 182155-190155 TS ARE NOT EXPD TO REQUIRE WST ISSUANCES.

Convective SIGMET
Valid From
Apr-18 @ 20:55 UTC

Valid To
Apr-18 @ 22:55 UTC

Hazard
Convective

WSUS33 KKCI 182055 SIGW CONVECTIVE SIGMET...NONE OUTLOOK VALID 182255-190255 TS ARE NOT EXPD TO REQUIRE WST ISSUANCES.