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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.
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Weather presentation
- 1. Where to find the weather forecast?
- 2. Where to find the weather? Radio TV Telephone – Weatherline (lake District -0844 846 2444) Shopfronts & mountain visitor centres – Outdoor shop front in Killin has the weather forecast – Most Cotswold Outdoors also Websites – 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 the Wind direction, you Synoptic Chart Isobars and multiplying by 4 can tell which Air mass is to learn the wind approaching. 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 sky Air masses (UK): •Wisspy clouds near top •Cold front moves faster so soon •Drizzly rain before clear sky Oceans –> wet catches up to warm front Cold front: •Wind and rain Land –> Dry •Blusstery showers + heavy rain gradually decrease •Strong winds/change in direction marking the end of North –> 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 Weather Temperature in relation to height gain: Every 200m gained -2˚C up to 800m Followed by -1˚C every 200m Pockets 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