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TALLAHASSEE, Fla. – Hurricane Helene is now predicted to reach Florida as a Category 4 hurricane, part of a frightening forecast of 130-mph winds and high storm surge that brings a dire scenario ...
These low humidities, combined with the warm, compressionally-heated air mass, plus high wind speeds, create critical fire weather conditions, and fan destructive wildfires. [4] Typically, about 10 to 25 Santa Ana wind events occur annually. [5] A Santa Ana wind can blow from one to seven days, with an average wind event lasting three days. [6]
If Milton had reached wind speeds of 192 mph, it would have surpassed a threshold that just five hurricanes and typhoons have reached since 1980, according to Michael Wehner, a climate scientist ...
The weather service forecasts a chance of rain and snow showers between 1 and 3 p.m. in Milwaukee, switching to scattered snow showers later in the afternoon and evening. Precipitation chances ...
In Canada, a severe thunderstorm is defined as having wind gusts of greater than 90 km/h (56 mph), hail with a diameter of greater than two centimetres (0.79 in), rainfall rates of greater than 50 millimetres (2.0 in) in one hour or greater than 75 millimetres (3.0 in) in three hours, or tornadoes. [14]
Category 3 Hurricane Matthew's close passage of Brevard County, Florida on the morning of October 7, 2016 prompted the issuance of the first Extreme Wind Warning.. An extreme wind warning (SAME code EWW) is an alert issued by the National Weather Service for areas on land that will experience sustained surface winds 100 knots (115 mph, 185 km/h, 51 m/s) or greater within one hour.
The National Weather Service issues a similar high wind warning (Specific Area Message Encoding code: HWW) for high winds on land. The criteria vary from place to place; however, in most cases, the warning applies to winds of 40 miles per hour (64 km/h) to 73 miles per hour (117 km/h) for at least 1 hour; or any gusts of 58 miles per hour (93 km/h) to 114 miles per hour (183 km/h) on land.
National snow forecast. The map below shows the probability that an area could receive more than 4 inches of snow. Use the slider at the top left to toggle by day.