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Snowdonia National Park forecast

Rhagolygon Parc Cenedlaethol Eryri
Issued 1645 Saturday, 05 July 2008 / Cyhoeddwyd 1645 Dydd Sadwrn, 05 Gorffennaf 2008
Sunrise and sunset timesSunrise / Codiad Haul : 0459 , Sunset / Machlud Haul : 2143

Hazards / Peryglon

Hazard

Hill fog. Thunder. Heavy rain.

Forecast for daylight hours for Sunday / Rhagolwg ar gyfer oriau'r dydd Dydd Sul

General situation / Sefyllfa cyffredinol A depression across the Irish Sea will drift slowly eastwards maintaining unsettled weather conditions across the UK for the next few days.
Weather / Tywydd Broken or well broken cloud with showers, some heavy with hail and thunder..
Visibility / Gwelededd Moderate or good, but poor in cloud.
Cloud base / Gwaelod y cymylau Broken or well broken 450 to 900m with patches down to 300m in any heavier bursts.
  Wind / Gwynt Temperature / Thymheredd
300m Southeast 15mph veering west or southwest 5 to 10mph, perhaps stronger near showers. 12 to 14C.
500m Southeast 15mph veering west or southwest 5 to 10mph, perhaps stronger near showers. 10 to 14C.
900m Southeast 15mph veering southwest 5 to 10mph, perhaps stronger near showers. 8 to 11C.
Freezing level / Lefel rhewi Well above the summits.

Forecast for daylight hours for Monday / Rhagolwg ar gyfer oriau'r dydd Dydd Llun

Weather / Tywydd Broken or well broken cloud with showers, some heavy and perhaps thundery.
Visibility and cloud base / Gwelededd a gwaelod y cymylau Good, but poor in cloud / Broken or well broken 450 to 900m with patches down to 300m in any heavier bursts.
Wind, temperature and freezing level / Gwynt, thymheredd a lefel rhewi Variable or nothwesterly 10 to 15mph with stronger gusts near showers / 10C / Well above the summits.

Outlook for Tuesday / Rhagolygon ar gyfer Dydd Mawrth

Broken or well broken cloud with occasional showers. Breezy across the summits. Freezing level well above the summits.

Outlook for Wednesday / Rhagolygon ar gyfer Dydd Mercher

Widespread hill fog with outbreaks of rain, heavy at times. Windy with gales across the summits.

Outlook for Thursday / Rhagolygon ar gyfer Dydd Iau

Broken or well broken cloud with showers, some heavy and thundery. Breezy across the summits. Freezing level well above the summits.

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