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High wind warning HWW – Strong sustained winds of 40 to 73 miles per hour (64 to 117 km/h) for one hour or longer, or wind gusts of 58 miles per hour (93 km/h) or greater for any duration that are not associated with thunderstorms are occurring or will occur within six to 12 hours. Wind speeds may pose a hazard to pedestrian and vehicular ...
While the intention of this experimental warning may be to replace the loosely defined tornado emergency, PDS tornado warnings are structured as the second highest level of tornado warning within the impact based warning system (an experiment – which also includes tags within warning products illustrating radar indications or physical ...
a significant snowfall (snowfall warning criteria) combined with another winter hazard such as freezing rain, strong winds, blowing snow and/or extreme cold. Blizzard Warning ( BZW ) – Issued when winds of 40 km/h (25 mph) or more, are expected to cause widespread reductions in visibilities to less than 400 m (0.25 mi), due to blowing snow ...
A severe thunderstorm warning (SAME code: SVR) is a type of public warning for severe weather that is issued by weather forecasting agencies worldwide when one or more severe thunderstorms have been detected by Doppler weather radar, observed by weather spotters, or reported by an emergency management agency, law enforcement, or the general ...
The Hughes wildfire in LA County has prompted Red flag warnings and evacuation orders across Southern California
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.
Warning: Spoilers ahead! In today's puzzle, there are six theme words to find (including the spangram). Hint: The first one can be found in the top half of the board. Here are the first two ...
Severe weather in the form of strong straight-line winds can be expected in areas where the squall line forms a bow echo, in the farthest portion of the bow. [38] Tornadoes can be found along waves within a line echo wave pattern (LEWP) where mesoscale low-pressure areas are present. [ 39 ]