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A rare, deadly storm slammed northwestern portions of South America for nearly a week straight, leaving at least six people dead and prompting a state of emergency as hundreds of homes were ...
The National Service of Meteorology and Hydrology of Peru (Spanish: Servicio Nacional de Meteorología e Hidrología del Perú, Senamhi) is a specialised technical organization of the Peruvian State that provides information on weather forecasting, as well as advice and scientific studies in the areas of hydrology, meteorology, agrometeorology and environmental issues.
Warnings are issued 24 hours prior to the tropical cyclone making landfall. If sustained winds 70 km/h and/or gusts 90 km/h or stronger are predicted, a conventional wind warning will be issued along with the tropical cyclone watches and warnings. A storm surge warning may be issued if abnormally high water levels are predicted.
See Severe weather terminology (United States) and/or Severe weather terminology (Canada) for comprehensive articles concerning specific nations' warnings, watches, advisories and related terms. Pages in category "Weather warnings and advisories"
The official scientific criteria of a derecho, as described by the National Weather Service's Storm Prediction Center, pertains to a swath of wind damage that must extend either continuously or ...
The derecho raced eastward across the Midwest, causing destruction along its path on Monday, Aug. 10, 2020. (NWS Chicago)
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.
A change in the jet stream pattern will favor long-tracking severe thunderstorm complexes beginning late in the Independence Day weekend and ongoing through next week from the northern Plains to ...