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A weather warning generally refers to an alert issued by a meteorological agency to warn citizens of approaching dangerous weather.A weather watch, on the other hand, typically refers to an alert issued to indicate that conditions are favorable for the development of dangerous weather patterns, although the dangerous weather conditions themselves are not currently present.
Different types of alerts from the National Weather Service — from advisories to watches and warnings — mean different things and call for different actions from the public to keep safe.
What's the difference between weather warnings and watches? What is an advisory? Here are weather safety terms you need to know.
Here's what to know about the differences between a severe weather watch or warning from the National Weather Service.
Airport weather warning AWW – Addresses weather phenomena (including but not limited to surface wind gusts around or above 40 knots (46 mph), freezing rain, heavy snow or thunderstorms producing cloud-to-ground lightning within 5 miles [8.0 km] of the airport and/or 1 ⁄ 2-inch [1.3 cm] hail) capable of adversely affecting ground operations ...
A weather warning is issued whenever moderate or heavy ship icing is expected. Waterspout Warning/Alert – Issued commonly for Atlantic provinces (usually M-IS). Issued when a waterspout is detected on radar or is observed by trained spotters. The warning is commonly issued to warn persons on water.
These warnings are issued by the National Weather Service Weather Forecast Offices rather than the Storm Prediction Center. The PDS wind chill warning shown below was issued by the National Weather Service in the Twin Cities on January 5, 2014.
“A Red Flag Warning is in effect for today, meaning conditions will be favorable for extreme fire behavior. Avoid all outside burning and welding.” The warning is in effect from 1 p.m. Tuesday ...