Yayafi

A cikin ilimin yanayi, hazo shine duk wani samfuri na tururin ruwa na yanayi wanda ke fadowa daga gajimare saboda jan hankali.American Meteorological Society ] Babban nau'ikan hazo sun haɗa da ɗigon ruwa, ruwan sama, ruwan sama da dusar ƙanƙara gauraye ("sleet" a cikin amfanin Commonwealth), dusar ƙanƙara, ƙanƙara, ƙanƙara da ƙanƙara. Hazo yana faruwa ne lokacin da wani yanki na yanayi ya cika da tururin ruwa (wanda ya kai 100% zafi), ta yadda ruwan ya takure kuma ya “hazo” ko fadowa. Don haka hazo da hazo ba hazo ba ne; tururin ruwansu ba ya takurawa sosai don hazo, don haka hazo da hazo ba sa faduwa. (Irin irin wannan haɗe-haɗe marar hazo shine colloid.) Hanya biyu, mai yuwuwar yin aiki tare, na iya haifar da iskar ta cika da tururin ruwa: sanyaya iska ko ƙara tururin ruwa zuwa iska. Hazo ya zama kamar yadda ƙananan ɗigon ruwa ke haɗuwa ta hanyar karo tare da sauran digon ruwan sama ko lu'ulu'u na kankara a cikin gajimare. Gajeren lokaci mai tsanani na ruwan sama a wurare masu warwatse ana kiransa shawa."What's the difference between 'rain' and 'showers'?"
Adler, Robert F.; et al. (December 2003). "The Version-2 Global Precipitation Climatology Project (GPCP) Monthly Precipitation Analysis (1979–Present)". Journal of Hydrometeorology. 4 (6): 1147–1167. Bibcode:2003JHyMe...4.1147A. CiteSeerX 10.1.1.1018.6263. doi:10.1175/1525-7541(2003)004<1147:TVGPCP>2.0.CO;2. S2CID 16201075.
Nau'ukansa

Tsawa mai tsananin hazo
Hanyoyin samar da ruwa sun hada da a turance ana ceasuconvective, stratiform, ]https://doi.org/10.1017%2FS1350482704001409 da  kuma ruwan sama na yanayi.A.J. Dore; M. Mousavi-Baygi; R.I. Smith; J. Hall; D. Fowler; T.W. Choularton (June 2006). "A model of annual orographic precipitation and acid deposition and its application to Snowdonia". Atmospheric Environment. 40 (18): 3316–3326. Bibcode:2006AtmEn..40.3316D. doi:10.1016/j.atmosenv.2006.01.043. Hanyoyin daidaitawa sun haɗa da motsin motsi masu ƙarfi waɗanda zasu iya haifar da jujjuyawar yanayi a cikin wannan wuri a cikin sa'a guda kuma ya haifar da hazo mai nauyi, Meteorology at the Millennium yayin da tsarin tsarin ya ƙunshi motsin motsin sama da ƙasa da hazo..Robert A. Houze Jr. (1994). Cloud Dynamics. Academic Press. p. 348. ISBN 978-0-08- Ana iya raba hazo zuwa kashi uku, bisa la'akari da ko yana fadowa a matsayin ruwa mai ruwa, ruwa mai daskarewa idan aka hadu da saman, ko kankara. Ganyayyaki nau'ikan hazo daban-daban, gami da nau'ikan nau'ikan iri daban-daban, na iya faɗuwa lokaci guda. Hanyoyin ruwan sama na ruwa sun haɗa da ruwan sama da ɗigo. Ruwan sama ko ɗigon ruwa wanda ke daskarewa akan tuntuɓar a cikin iska mai daskarewa ana kiransa "daskarewa ruwan sama" ko "diri mai daskarewa". Daskararrun nau'ikan hazo sun hada da dusar ƙanƙara, alluran kankara, ƙanƙara, ƙanƙara, da graupel.Jan Jackson (2008). "All About Mixed Winter Precipitation". National Weather Service. Archived from the original on October 25, 2015. Retrieved 2009-02-07.
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