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Particularly dangerous situation special weather statement SPS – An enhanced advisory issued for hazards that do not have a specific code of their own, and pose an exceptionally high risk of damage and loss of life. Storm warning MWS – Sustained surface winds or frequent gusts of 48 to 63 knots (55 to 72 mph; 89 to 117 km/h) is either ...
Hazardous seas warning; Hazardous seas watch; Hazardous weather outlook; Heat advisory; Heavy freezing spray warning; Heavy freezing spray watch; Heavy snow warning; History of Atlantic hurricane warnings; Hong Kong rainstorm warning signals; Hong Kong tropical cyclone warning signals; HURCON; Hurricane force wind warning; Hurricane local statement
An example of a tornado warning polygon issued by the National Weather Service. A tornado warning (SAME code: TOR) is a public warning that is issued by weather forecasting agencies to an area in the direct path of a tornado, or a severe thunderstorm capable of producing one, and advises individuals in that area to take cover.
A warning means there’s imminent danger to life and property in the warning area, and you should immediately move to an interior room on the lowest floor of a sturdy building and avoid windows ...
The National Weather Service is surveying storm damage today to confirm whether tornadoes touched down. The Wilmington office, which covers Central Ohio, said it dispatched crews shortly after 9 ...
The weather system began making its way across the central Midwest Monday and Tuesday, bringing with it severe storms and extreme winds, and the potential for tornadoes.
The PDS red flag warning below was issued by the National Weather Service in Reno, Nevada, on December 19, 2017. [7] On August 3, 2018, the National Weather Service in Reno, Nevada, issued another PDS red flag warning to communicate the threat of life-threatening fire danger due to strong gusty winds and low humidity.
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]