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.

00:35:05 UTC

0NV1 SIGMET
Summerlin Medical Center Heliport
Las Vegas, Nevada, USA
Convective SIGMET
Valid From
Apr-18 @ 22:55 UTC

Valid To
Apr-19 @ 00:55 UTC

Hazard
Convective

WSUS33 KKCI 182255 SIGW CONVECTIVE SIGMET...NONE OUTLOOK VALID 190055-190455 TS ARE NOT EXPD TO REQUIRE WST ISSUANCES.

Convective SIGMET
Valid From
Apr-18 @ 23:55 UTC

Valid To
Apr-19 @ 01:55 UTC

Hazard
Convective

WSUS33 KKCI 182355 SIGW CONVECTIVE SIGMET...NONE OUTLOOK VALID 190155-190555 TS ARE NOT EXPD TO REQUIRE WST ISSUANCES.