metoffice_extremeweather_firstexplorations_mitigatingextremeweatherrisks_welsh.pdf
tir a gallant achosi difrod sylweddol i eiddo a marwolaethau. Cânt hefyd eu galw'n deiffwnau neu gylchoedd gwynt trofannol. Dysgwch ragor yma: www.metoffice.gov.uk/research/ weather/tropical-cyclones/ hurricane www.oceanservice.noaa.gov/ facts/hurricane.html https://www.cdc.gov/nceh/ features