COASTAL CONVERGENCE - WEATHER EVENTS
by FMI
| Parameter
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Description
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| Precipitation
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- Enhanced convective precipitation, showers and even thunderstorms, restricted to coastal areas.
- During wintertime possibly heavy and prolonged snowfall over coastal regions.
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| Temperature
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- Varying effects.
- In winter coastal regions - surrounded by cold land on one side and open sea on the another - often experiencing sudden rises in temperature.
- In summer temperature lower on coastal showery areas compared to inland areas having fair weather.
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| Wind (incl. gusts)
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- Moderate to fresh winds having a small angle with respect to the coastline.
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| Other relevant information
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04 - 05 December 1998/06.00 - 06.00 UTC
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05 - 06 December 1998/06.00 - 06.00 UTC
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06 - 07 December 1998/06.00 - 06.00 UTC
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The example above illustrate accumulated precipitation in Scandinavia during a 72-hour-period. A stationary front is resulting in extensive snowfall during the whole period. Along parts of the Swedish east coast the snowfall amount is more than doubled due to the effect of Coastal Convergence.