{"id":52,"date":"2022-08-17T21:16:02","date_gmt":"2022-08-17T19:16:02","guid":{"rendered":"https:\/\/weather-radar24.com\/?page_id=52"},"modified":"2026-04-11T13:10:57","modified_gmt":"2026-04-11T11:10:57","slug":"rain-radar","status":"publish","type":"page","link":"https:\/\/weather-radar24.com\/fi\/sadetutka\/","title":{"rendered":"Sadetutka"},"content":{"rendered":"<h1>Sadetutka \u2013 nykyinen sadeennuste<\/h1>\n<p>S\u00e4\u00e4 voi muuttua nopeasti, ja on hyv\u00e4 tiet\u00e4\u00e4, mihin sade tarkalleen on menossa. Sadetutkan avulla n\u00e4et aina sen hetkisen s\u00e4\u00e4tilanteen! Mutta mik\u00e4 on sadetutka, miten se toimii ja mit\u00e4 se voi ennustaa?<\/p>\n<div id=\"windy-rain-box\" style=\"max-width:1300px;margin:20px auto;padding:24px;border:1px solid #dcdcdc;border-radius:12px;background:#f8fafc;text-align:center;font-family:Arial,sans-serif;\">\n<h3 style=\"margin:0 0 10px 0;font-size:24px;color:#1f2937;\">Live Rain Radar<\/h3>\n<p style=\"margin:0 0 18px 0;font-size:16px;line-height:1.5;color:#4b5563;\">\n    Click the button below to load the live rain radar from Windy.com.\n  <\/p>\n<p>  <button onclick=\"loadWindyRain()\" style=\"background:#2563eb;color:#ffffff;border:none;padding:14px 24px;font-size:16px;font-weight:600;border-radius:8px;cursor:pointer;\"><br \/>\n    Load Rain Radar<br \/>\n  <\/button><\/p>\n<p style=\"margin:14px 0 0 0;font-size:13px;color:#6b7280;\">\n    External content will be loaded from Windy.com after clicking.\n  <\/p>\n<\/div>\n<p><script>\nfunction loadWindyRain() {\n  document.getElementById('windy-rain-box').innerHTML =\n    '<iframe loading=\"lazy\" src=\"https:\/\/embed.windy.com\/embed2.html?lat=39.606&#038;lon=-97.031&#038;detailLat=49.142&#038;detailLon=9.223&#038;width=1300&#038;height=600&#038;zoom=5&#038;level=surface&#038;overlay=rain&#038;product=ecmwf&#038;menu=&#038;message=true&#038;marker=&#038;calendar=now&#038;pressure=&#038;type=map&#038;location=coordinates&#038;detail=&#038;metricWind=default&#038;metricTemp=default&#038;radarRange=-1\" width=\"100%\" height=\"600\" frameborder=\"0\" style=\"border:0;border-radius:12px;\"><\/iframe>';\n}\n<\/script><\/p>\n<h2 class=\"p1\">Mik\u00e4 on sadetutka?<\/h2>\n<p class=\"p1\">Sadetutka on v\u00e4line, jota k\u00e4ytet\u00e4\u00e4n ennustamaan sadetta. Sadetutkatyyppej\u00e4 on erilaisia, mutta useimmat niist\u00e4 toimivat samalla tavalla: Ne l\u00e4hett\u00e4v\u00e4t tutkas\u00e4teen ilmakeh\u00e4\u00e4n ja seuraavat kuinka s\u00e4de heijastuu sadepisaroista. N\u00e4it\u00e4 heijastuksia voidaan sitten k\u00e4ytt\u00e4\u00e4 ennustamaan sadepisaroiden liikett\u00e4.<\/p>\n<p class=\"p1\">Sadetutkat ovat eritt\u00e4in hy\u00f6dyllisi\u00e4 s\u00e4\u00e4olosuhteiden ennustamisessa, etenkin kun kyseess\u00e4 ovat <a href=\"https:\/\/weather-radar24.com\/fi\/myrskytutka\/\">kovia myrskyj\u00e4<\/a>. Ne voivat auttaa varoittamaan ihmisi\u00e4 vaarallisista s\u00e4\u00e4olosuhteista ja antaa heille aikaa p\u00e4\u00e4st\u00e4 turvaan. Sadetutkat ovat hy\u00f6dyllisi\u00e4 my\u00f6s maataloudessa, koska ne voivat auttaa s\u00e4\u00e4st\u00e4m\u00e4\u00e4n satoa ennen huonon s\u00e4\u00e4n saapumista.<\/p>\n<h2 class=\"p1\">Miten Rain-tutka toimii?<\/h2>\n<p class=\"p1\">Viimeisen tunnin sateen liikett\u00e4 voi toistaa toistopainikkeella. Rain-tutka on laite, joka seuraa sadepilvien liikett\u00e4 ja mittaa niiden voimakkuutta. Meteorologit k\u00e4ytt\u00e4v\u00e4t sit\u00e4 usein ennustaakseen sateen suunnan ja nopeuden tai <a href=\"https:\/\/weather-radar24.com\/fi\/lumipeite-kartta\/\">lumi<\/a> suihkut.<\/p>\n<p class=\"p1\">Sadetutkat toimivat l\u00e4hett\u00e4m\u00e4ll\u00e4 s\u00e4hk\u00f6magneettisia aaltoja, joiden kaiku heijastuu takaisin sadepisaroista tai lumikiteist\u00e4. Tutka voi sitten m\u00e4\u00e4ritt\u00e4\u00e4, kuinka voimakas sade on kaiun voimakkuuden perusteella. Sadetutkat voivat seurata my\u00f6s muun tyyppisi\u00e4 s\u00e4\u00e4ilmi\u00f6it\u00e4, kuten <a href=\"https:\/\/weather-radar24.com\/fi\/tornado-tutka\/\">tornadot<\/a> tai ukkospilvi\u00e4.<\/p>\n<h2 class=\"p1\">Kuinka tarkkoja ennusteet ovat?<\/h2>\n<p class=\"p1\">Kun katsot ennusteita sadetutkasta tai muista s\u00e4\u00e4palveluista, saatat huomata, ett\u00e4 ennusteiden tarkkuus vaihtelee suuresti. Ennusteet voidaan antaa muutama tunti etuk\u00e4teen, mutta my\u00f6s useita p\u00e4ivi\u00e4 etuk\u00e4teen. Esimerkiksi t\u00e4m\u00e4n iltap\u00e4iv\u00e4n ennuste voi olla tarkka, mutta huomisen aamun ennuste ei v\u00e4ltt\u00e4m\u00e4tt\u00e4 pid\u00e4 paikkaansa.<\/p>\n<p class=\"p1\">Sadeennusteiden tarkkuus riippuu useista tekij\u00f6ist\u00e4. Ensinn\u00e4kin tietysti se, kuinka tarkka ennuste perustuu s\u00e4\u00e4malliin. Yleens\u00e4 mit\u00e4 parempi malli, sit\u00e4 tarkempi ennuste. Toisaalta se vaikuttaa my\u00f6s siihen, kuinka hyvi\u00e4 mittaustietoja mallissa k\u00e4ytet\u00e4\u00e4n. Jos esimerkiksi tietyn sijainnin mittaustiedot eiv\u00e4t ole kovin tarkkoja, se voi vaikuttaa ennusteen tarkkuuteen.<\/p>\n<p class=\"p1\">Ei siis ole yksinkertaista vastausta kysymykseen siit\u00e4, kuinka tarkkoja sadeennusteet ovat. Ne ovat kuitenkin yleens\u00e4 melko luotettavia ja voivat auttaa sinua sopeutumaan s\u00e4\u00e4h\u00e4n.<\/p>\n<h3 class=\"p1\">Miksi sadetutka on usein ep\u00e4tarkka?<\/h3>\n<p class=\"p1\">Sadetutka on t\u00e4rke\u00e4 ty\u00f6kalu sadeennusteiden tekemiseen. Usein se on kuitenkin ohi. T\u00e4h\u00e4n on useita syit\u00e4. Yksi syy on se, ett\u00e4 tutka n\u00e4kee vain sateet, jotka ovat suoraan tutkan alapuolella <a href=\"https:\/\/weather-radar24.com\/fi\/pilvi-peite-kartta\/\">pilvet<\/a>. Joten voi k\u00e4yd\u00e4 niin, ett\u00e4 alueella ei ole sadetta, vaikka tutka n\u00e4ytt\u00e4\u00e4 sadetta. T\u00e4m\u00e4 johtuu yleens\u00e4 siit\u00e4, ett\u00e4 pilvet alueella ovat korkeammalla ja sade on jo haihtunut ennen kuin se on ehtinyt pudota maahan.<\/p>\n<p class=\"p1\">Toinen syy on se, ett\u00e4 tutka on usein alueella, jossa ei juuri t\u00e4ll\u00e4 hetkell\u00e4 ole sadetta. N\u00e4in voi k\u00e4yd\u00e4 esimerkiksi silloin, kun ukkoskenno kulkee ohi ja sade on jo haihtunut ennen kuin se ehtii pudota maahan. T\u00e4ss\u00e4 tapauksessa tutka ei pysty n\u00e4kem\u00e4\u00e4n sadetta. Viimeinen syy on se, ett\u00e4 joskus tutkassa tapahtuu virheit\u00e4. N\u00e4it\u00e4 virheit\u00e4 voi esiinty\u00e4 esimerkiksi silloin, kun ilmakeh\u00e4 on eritt\u00e4in p\u00f6lyinen tai hiekkainen. T\u00e4ll\u00f6in tutkan signaalit voivat poiketa tai h\u00e4irit\u00e4 ja voi tapahtua, ett\u00e4 tutka n\u00e4ytt\u00e4\u00e4 sadetta, vaikka todellisuudessa sit\u00e4 ei ole.<\/p>\n<h3 class=\"p1\">Mik\u00e4 on maailman sateisin kaupunki?<\/h3>\n<p class=\"p1\">Tutkimuksen mukaan <a href=\"https:\/\/www.colorado.edu\/\" target=\"_blank\" rel=\"noopener\">Colorado Boulderin yliopisto<\/a>, maailman sateisin kaupunki on Mumbai, Intia. Kaupunki sai tittelin, koska se saa vuosittain keskim\u00e4\u00e4rin 940 millimetri\u00e4 sadetta.<\/p>\n<p class=\"p1\">Mumbai ei ole ainoa kaupunki Intiassa, jossa sataa. Kolkata, Chennai ja Bangalore ovat my\u00f6s eritt\u00e4in sateisia kaupunkeja Intiassa. Nelj\u00e4ss\u00e4 kaupungissa on kuitenkin erilaisia sadekuvioita. Vaikka Mumbai voi saada sadetta ymp\u00e4ri vuoden, muut kolme kaupunkia saavat sadetta p\u00e4\u00e4asiassa kes\u00e4kuusta syyskuuhun.<\/p>","protected":false},"excerpt":{"rendered":"<p>Rain radar &#8211; current rain forecast The weather can change quickly, and it is good to know where exactly the rain is going. With the rain radar, you always have the current weather situation in view! But what is rain radar, how does it work and what can it predict? Live Rain Radar Click the&hellip;&nbsp;<a href=\"https:\/\/weather-radar24.com\/fi\/sadetutka\/\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Sadetutka<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":111,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":100,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"on","neve_meta_reading_time":"","footnotes":""},"class_list":["post-52","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Rain radar - current rain forecast - weather-radar24.com<\/title>\n<meta name=\"description\" content=\"Track the current weather conditions in real time with our rain radar! 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