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Weather presentation

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A mountain weather presentation for many outdoor sessions. Used as the basis for mountain leader training, introduction for young people and paddlesport coaching.

A mountain weather presentation for many outdoor sessions. Used as the basis for mountain leader training, introduction for young people and paddlesport coaching.

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Transcript

  • 1. Where to find the weather forecast?
  • 2. Where to find the weather?RadioTVTelephone – Weatherline (lake District -0844 846 2444)Shopfronts & mountain visitor centres – Outdoor shop front in Killin has the weather forecast – Most Cotswold Outdoors alsoWebsites – MWIS.org.uk – Metoffice.com – Metcheck.com – Mountaindays.net
  • 3. What’s the outlook then???Weather Symbols Wind Direction and Speed Maximum Temperatures
  • 4. Synoptic Chart – what a mess!!
  • 5. Because of the Counting theWinddirection, you Synoptic Chart Isobars and multiplying by 4can tell whichAir mass is to learn the windapproaching. speed. The wind direction L is moving from a High Pressure area to a Low pressure area, parallel to the isobars. H Pressure & Therefore the precipitation
  • 6. Air masses + Fronts Warm front: Occluded Front: •cloudy skyAir masses (UK): •Wisspy clouds near top •Cold front moves faster so soon •Drizzly rain before clear skyOceans –> wet catches up to warm front Cold front: •Wind and rainLand –> Dry •Blusstery showers + heavy rain gradually decrease •Strong winds/change in direction marking the end ofNorth –> Cold •Gets colder the storm.South –> Warm
  • 7. Tomorrow’s synoptic chart (MetOffice.gov.uk) – What can we tell from this then?
  • 8. Mountain Specific WeatherTemperature in relation to height gain: Every 200m gained -2˚C up to 800m Followed by -1˚C every 200mPockets of air rising causing localised rain (Relief Rainfall)Rain shadow on the lea-side of mountains, often most inland side.Narrow gaps give increased wind speed