Frost Advisory until May 07 at 8:​00​AM EDT by NWS Buffalo

Temperatures in the lower to mid 30s will result in frost formation. *

WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, Oswego, Erie, Genesee, Wyoming, Livingston, Ontario, and Chautauqua counties. *

WHEN...From 1 AM to 8 AM EDT Thursday. *

IMPACTS...Frost could damage or kill sensitive outdoor vegetation if left uncovered.

A warning is issued when a hazardous weather or hydrologic event is occurring, imminent or likely.

A watch is used when the risk of a hazardous weather or hydrologic event has increased significantly, but its occurrence, location or timing is still uncertain.

An advisory is issued when a hazardous weather or hydrologic event is occurring, imminent or likely.