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concentrations. Soil processes Development of Joint UK Land Environment Simulator (JULES) to represent soil processes (carbon and nitrogen) in organic soils in collaboration with the University of Aberdeen and Rothamsted Research (the ECOSSE model) Fire modelling Combining fire risk indices with projections

rydym ni’n eu cael yn y DU? Mae tonnau gwres a chyfnodau oer, glaw sy’n arwain at lifogydd, stormydd o daranau, gwyntoedd cryf, eira, mellt, iâ a niwl oll yn fathau o dywydd garw rydyn ni'n eu cael yn y DU. www.metoffice.gov.uk | 4 © Hawlfraint y Goron 2019, Y Swyddfa Dywydd Cwis Cychwynnol Atebion 3

hinsawdd a chynhesu byd eang. Cyflwynwch eirfa allweddol, gan gynnwys risgiau, lliniaru (lle rydyn ni’n ceisio cael gwared ar y risg) ac addasu (lle rydyn ni’n ceisio addasu i leihau effeithiau negyddol y risg). Gofynnwch i’r dosbarth feddwl am y termau hyn gan ddefnyddio esiampl o’r ysgol e.e

. Pa mor anhygoel yw hynny? Amser sydd ei angen 45-60 munud Ar hyn o bryd, mae Microsoft yn gweithio gyda’r Swyddfa Dywydd i adeiladu uwchgyfrifiadur newydd a fydd yn trawsnewid y ffordd rydyn ni’n rhagweld y tywydd yn y dyfodol. Ar y cyd ag arbenigedd ein cydweithwyr anhygoel, bydd yr uwchgyfrifiadur

hinsawdd a chynhesu byd eang. Cyflwynwch eirfa allweddol, gan gynnwys risgiau, lliniaru (lle rydyn ni’n ceisio cael gwared ar y risg) ac addasu (lle rydyn ni’n ceisio addasu i leihau effeithiau negyddol y risg). Gofynnwch i’r dosbarth feddwl am y termau hyn gan ddefnyddio esiampl o’r ysgol e.e

gradual increase in temperatures day on day, though not to the levels of warmth we've seen recently. High pressure will continue to dominate the UK weather next week, bringing largely dry weather and variable cloud amounts.”  How are gardens holding up after a sunny April? After a warm and sunny April

and further bouts of frost in locations with clear skies. Although April frosts are not unusual, the fact that a number of frosts are occurring off the back of the fifth warmest March since 1910, is likely to have set plants and gardeners off to an erratic start of the gardening season. Tim Legg

of 45-50mph winds are expected Weather data cards Location cards Coastal town You live in a costal town, near the sea. There is a little harbour and a large beach, a school, a sport centre and a public garden. Inner city You live in the centre of a large city. There are lots of people living

Average spring temperatures across the UK have risen by approximately 1 °C over the last few decades according to data released by the Met Office, but gardeners are urged to take note that spring frosts can still pose a threat.

of frost days in spring has fallen, it can still be an issue right through spring across most of the UK. We have seen relatively few widespread frosts so far this year, but this Easter weekend gardeners in rural areas, especially in northern Britain, caring for tender plants may encounter a ground

Anderson • Llyfrau Rainbow Grey (dewisol) © Laura Ellen Anderson 2023 Rhagolwg Weatherlands | Camau’r Gweithgaredd Rydyn ni’n darganfod trwy ddarllen y straeon bod Rainbow Grey yn byw yn y Weatherlands gyda’i ffrindiau a’i theulu Weatherling. Mae gwybod pa dywydd sy’n digwydd yn bwysig trwy gydol y