Halin hazo

Halin hazo (PoP) kalma ce da aka saba amfani da ita wacce ke nufin yiwuwar hazo da ke faɗuwa a wani yanki a cikin wani lokaci, wanda yawanci rana ce, rabin rana, ko awa.

Ma'aunin PoP ba shi da ma'ana sai dai idan an haɗa shi da wani lokaci. Tsinkaya yawanci suna amfani da PoP da aka ayyana a kan sa'o'i 12 (PoP12), kodayake ana buga sa'o-i 6 (PoP6) da sauran matakan. "Lokacin rana" PoP12 yana nufin daga karfe 6 na safe zuwa karfe 6.

Sau da yawa ana lissafin yiwuwar ta hanyar hasashen hadin gwiwa kuma yana wakiltar yawan kwaikwayon da ke nuna ruwan sama ya faru.

PoPs gabaɗaya ba su da 'yanci. Misali mai kyau na wani taron da ke da karfi dogaro da sa'a-da-sa'a PoP ne guguwa. A wannan yanayin, akwai yiwuwar 1 cikin 5 na guguwar da ta buge wani yanki na bakin teku, amma idan ta isa za a sami ruwan sama na sa'o'i da yawa, tare da tasirin cewa PoP na awa ɗaya don yankin da lokacin zai zama kama: game da 1 cikin 5. Hadari na yanki na iya zama ƙasa da dogaro, tare da tasirin cewa PoPs na awa ɗaya na iya zama ɗan ƙasa da PoP na rana ɗaya.

 Ma'anar 

 Hukumar Kula da Yanayi ta Amurka 
A cewar Hukumar Kula da Yanayi ta Amurka (NWS), PoP shine yiwuwar wucewa cewa fiye da 0.01 inci (0.25  na hazo zai fada a wuri ɗaya, matsakaici a kan yankin hasashen.

NWS tana ba da tsinkaye na sa'a. Wadannan tsinkaye sun hada da PoP a cikin sa'o'i goma sha biyu (watau rana vs dare) wanda ke nuna PoP idan yanayin da aka bayar a farkon sa'o-i goma sha biyar ya tsaya na sa'oʼi goma sha abụọ masu zuwa. Har ila yau, sun haɗa da tsinkaye na awa zuwa awa, wanda shine PoP na wannan sa'a. Saboda abubuwan da suka faru na yanayi awa zuwa awa na iya zama masu zaman kansu, awa zuwa awa zai iya zama kama da PoP na yanzu ko awa goma sha biyu, ko kuma zai iya bambanta sosai.

 Sauran masu hasashen Amurka 
Ma'anar AccuWeather ta dogara ne akan yiwuwar a ma'aunin ruwan sama na hukuma. Har ila yau, akwai yiwuwar hazo ga kowane wuri a Amurka don kowane minti na sa'o'i biyu masu zuwa. Wannan kuma an san shi da minti daya. Ma'anar Tashar Yanayi na iya haɗawa da hazo a ƙasa da 0.01 inci (0.254 mm) kuma ya haɗa da damar hazo 3 hours kafin ko bayan lokacin hasashen. An bayyana wannan canjin na ƙarshe a matsayin wanda ba shi da ma'ana kuma ya fi mayar da hankali ga mabukaci.[1] Tashar Weather tana da raunin da aka lura - yiwuwar hazo ya wuce gona da iri a wasu lokuta.[2]  

 Muhalli Kanada 
Muhalli Kanada ta ba da rahoton damar hazo (COP) wanda aka bayyana a matsayin "Hanyar da za a iya auna hazo (0.2 mm na ruwan sama ko 0.2 cm na dusar ƙanƙara) zai faɗo a kowane wuri na bazuwar yankin hasashen a lokacin hasashen. "  An kewaye dabi'un zuwa 10% karuwa, amma ba a taɓa zagaye su zuwa 50% ba.   

 Ofishin Met na Burtaniya 
Ofishin Met na Burtaniya ya ba da rahoton PoP wanda aka zagaye zuwa 5% kuma ya dogara ne akan mafi ƙarancin ƙofar 0.1 mm na hazo. 

 Sauran maganganu 
Hakanan ana iya bayyana yiwuwar hazo ta amfani da kalmomin bayyanawa maimakon ƙididdigar lambobi. Misali, NWS na iya bayyana hasashen hazo tare da kalmomi kamar "sake dama" ma'ana tabbacin 20% da "scattered" ma'anar 30-50% yanki. Ma'anar ainihin waɗannan kalmomin ta bambanta.

Ofishin Met na Burtaniya ya maye gurbin kalmomin bayyanawa, kamar "mai yiwuwa", tare da damar samun hazo a watan Nuwamba na shekara ta 2011.

 Fahimtar Jama'a 
Halin hazo na iya zama rashin fahimta ga jama'a.

Kamfen ɗin Ingilishi na Farko ya ki amincewa da amfani da kalmar "haɗayin hazo" a cikin 2011. Ofishin Met ya bayyana cewa madadin da aka gabatar, "hanzarin ruwan sama", ba zai bayyana duk nau'ikan hazo da aka haɗa a cikin hasashen ba.

 Dubi kuma 

 Hasashen ruwan sama mai yawa

 Manazarta 
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