significant weather
11Weather-related cancellation — or sometimes a delay is when an institution is closed or its opening delayed, or an activity is cancelled or postponed due to inclement weather conditions. Certain institutions, such as schools, are likely to close when bad weather, such as snow …
12Weather ship — The weather ship MS Polarfront at sea. A weather ship was a ship stationed in the ocean as a platform for surface and upper air meteorological observations for use in weather forecasting. They were primarily located in the north Atlantic and… …
13weather forecasting — Prediction of the weather through application of the principles of physics and meteorology. Weather forecasting predicts atmospheric phenomena and changes on the Earth s surface caused by atmospheric conditions (snow and ice cover, storm tides,… …
14Weather map — A surface weather analysis for the United States on October 21, 2006. A weather map displays various meteorological features across a particular area at a particular point in time.[1] Such maps have been in use since the mid 19th century and are… …
15Significant wave height — In physical oceanography, significant wave height, also known as SWH, or H s , is the average wave height (trough to crest) of the one third largest waves. A well developed significant wave is approximately equal to H m0 , defined as four times… …
16significant meteorological information — A weather advisory issued concerning weather significant to the safety of all aircraft. SIGMET advisories cover severe and extreme turbulence, severe icing, widespread dust storms or sandstorms that reduce visibility to less than 3 miles,… …
17Significant milestones in space exploration — ▪ Table Significant milestones in space exploration date accomplished event details country or agency Oct. 4, 1957 first artificial Earth satellite Sputnik 1 U.S.S.R. Nov. 3, 1957 first animal launched into space dog Laika aboard Sputnik 2… …
18Severe weather terminology (United States) — This article describes the United States National Weather Service (NWS) severe weather terminology. The NWS defines precise meanings for nearly all its weather terms. This article describes NWS terminology and related NWS weather scales. Some… …
19NOAA Weather Radio All Hazards — Type Weather Radio/Civil Emergency Services Branding …
20National Weather Service Lincoln, Illinois — Lincoln, Illinois Weather Forecast Office The Lincoln, Illinois National Weather Service office. overview Preceding agencies National Weather Service Peoria, Illinois National Weather Service Springfield, Illinois Juri …
