03 August 2018Climate
Imperial County, California. Ken Lund / Flickr / CC BY-SA 2.0
Southern California is not only sweltering under extreme heat, the city of Imperial actually witnessed rainfall when it was a scorching 119 degrees Fahrenheit outside on July 24, weather experts observed.
<p> It's pretty rare for rainfall to occur above 100 degrees Fahrenheit, Masters noted, but NOAA weather records show that at 3:53 p.m. local time, light rain started to fall and continued for four hours straight. </p><p> "Most of the rain evaporated since the humidity was only 11-15 percent during the rain event, and only a trace of precipitation was recorded in the rain gauge. Nevertheless, the July 24 rain at 119 F in Imperial sets a new record for the hottest rain in world history," Masters wrote. </p><p> <span></span>The <a href="https://www.wunderground.com/blog/JeffMasters/hottest-rain-on-record-rain-falls-at-115f-in-needles-california.html" target="_blank">previous record for the warmest rain</a> was set by Needles, California on Aug. 13, 2012, when rain fell at a daytime high of 118 F with a humidity of 11 percent. </p><p class="shortcode-media shortcode-media-twitter_embed"> <iframe width="100%" height="150" scrolling="no" class="rm-shortcode twitter-embed-1025383601032970241" id="twitter-embed-1025383601032970241" type="lazy-iframe" data-runner-src="/res/community/twitter_embed/?iframe_id=twitter-embed-1025383601032970241&created_ts=1533305475.0&screen_name=wunderground&text=Hottest+rain+on+record%3A+It+was+119%C2%B0F+as+raindrops+fell+on+Imperial+Valley%2C+CA%2C+on+July+24.+That%27s+the+hottest+rainf%E2%80%A6+https%3A%2F%2Ft.co%2FWTslvn1oBH&id=1025383601032970241&name=Weather+Underground" frameborder="0" data-rm-shortcode-id="N4LB9A1576662727"></iframe> </p><p> So what does rain on scorching hot day feel like? After ringing up a few city offices and businesses, one Imperial resident told Masters that the rain "made it difficult to breathe" and it felt hard on their heart. </p><p> Masters also broke down the science of what happened that day: "The July 24, 2018 rain in Imperial was due to a flow of moisture coming from the southeast caused by the Southwest U.S. monsoon, a seasonal influx of moisture due to the difference in temperature between the hot desert and the cooler ocean areas surrounding Mexico to the south." </p><p> Weather expert Jeff Beradelli said the hot rain report was "amazing." </p><p> "It means that not only is Earth getting hotter but also more humid. And that is the link between a changing climate and health," Beradelli tweeted. </p><p class="shortcode-media shortcode-media-twitter_embed"> <iframe width="100%" height="150" scrolling="no" class="rm-shortcode twitter-embed-1025400999370993664" id="twitter-embed-1025400999370993664" type="lazy-iframe" data-runner-src="/res/community/twitter_embed/?iframe_id=twitter-embed-1025400999370993664&created_ts=1533309623.0&screen_name=WeatherProf&text=This+is+an+amazing+stat%21%21+Rain+at+119+degrees.+Hottest+temp+on+record+to+produce+rain.+It+means+that+not+only+is+Ea%E2%80%A6+https%3A%2F%2Ft.co%2FgEsylWQlvy&id=1025400999370993664&name=Jeff+Berardelli" frameborder="0" data-rm-shortcode-id="H6QSIL1576662727"></iframe> </p>
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