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Anticyclone pressure systems lrg
- 1. Grunt Productions 2008 Anticyclone pressureAnticyclone pressure systemssystems A Brief By Lance GrindleyA Brief By Lance Grindley
- 2. Grunt Productions 2008 CycloneCyclone ► characterized by rapidcharacterized by rapid inward circulation of airinward circulation of air masses about a low-masses about a low- pressure center,pressure center, ► accompanied by stormy,accompanied by stormy, destructive weather.destructive weather. ► counterclockwise in thecounterclockwise in the Northern Hemisphere andNorthern Hemisphere and clockwise in the Southernclockwise in the Southern Hemisphere.Hemisphere.
- 3. Grunt Productions 2008 AnticycloneAnticyclone ► A region of relativelyA region of relatively highhigh atmospheric pressureatmospheric pressure ► thousands of kilometersthousands of kilometers in diameter.in diameter. ► appear on weatherappear on weather charts as a series ofcharts as a series of concentric, widelyconcentric, widely spaced isobars of 1000 spaced isobars of 1000 mbs and above.mbs and above. ► clockwise in theclockwise in the Northern Hemisphere,Northern Hemisphere, andand ► anticlockwise in theanticlockwise in the SouthernSouthern ► also known as a high.also known as a high.
- 4. Grunt Productions 2008 NORTHERN HEMISPHERE
- 6. Grunt Productions 2008 Weather in AnticyclonesWeather in Anticyclones ►Varies from place to placeVaries from place to place
- 7. Grunt Productions 2008 Weather inWeather in Cold anticyclonesCold anticyclones ► also known asalso known as continental highscontinental highs ► Siberia and north-westSiberia and north-west Canada in winterCanada in winter ► Cool airCool air
- 8. Grunt Productions 2008 Weather in SubtropicalWeather in Subtropical anticyclonesanticyclones ► stable atmosphericstable atmospheric conditions, and thus,conditions, and thus, ► fine,fine, ► hot,hot, ► dry weather.dry weather. ► Strongest at 32°Strongest at 32° N and S.N and S.
- 9. Grunt Productions 2008 WeatherWeather mid-latitudemid-latitude anticyclonesanticyclones ► located beneath thelocated beneath the leading edge of ridgesleading edge of ridges in the upper-airin the upper-air westerlieswesterlies ► the weather isthe weather is unusually fineunusually fine
- 10. Grunt Productions 2008 Winter anticyclonesWinter anticyclones ► may bring cold,may bring cold, ► frosty weather,frosty weather, ► or fog.or fog.