Widespread severe weather will continue across the Plains and Missouri Valley region Friday evening. Very large hail, strong tornadoes and wind damage are all possible. The severe thunderstorm activity will then shift into portions of the southern/central Plains Saturday. A Moderate Risk (Level 3/5) of excessive rainfall is also forecast from far northern Texas into Kansas Saturday. Read More >
Text of all SIGMETs Around Contiguous Western US |
None Found |
Description of Convective and Non-Convective SIGMETs SIGMETs are Inflight Weather Advisories for Significant Meteorological hazards. A SIGMET is "widespread" in that it covers an area of at least 3,000 square miles. Note that the particular hazard may be present in only a small portion of the area at any particular time. SIGMETS are issued for:
Convective SIGMETs are issued for severe convective activity, which implies severe turbulence, severe icing, and low-level wind shear. Specifically:
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Map of SIGMETs (including International) |