Is That It for Monsoon 2014? It’s entirely possible that the - TopicsExpress



          

Is That It for Monsoon 2014? It’s entirely possible that the rain we saw on Wednesday around metro Phoenix could be the last of the rain for Monsoon 2014. The monsoon ends on September 30th by recent definition and the pattern looks pretty dry for the rest of the month. There is a very slight chance for storms in the Valley this weekend. After that, it looks like the chances for rain through September 30th will be very low. Currently we’re still under a decent southerly flow in the upper atmosphere. But as the weekend and next week approaches, the jet stream will become more westerly, importing drier air. That overall pattern, where our weather is more influenced by the westerlies, signals the end of the monsoon and the start of some fall weather. If the monsoon rain is done, we’re well above normal. We got 4.68” of rain at Sky Harbor Airport. The average monsoon summer produces 2.71” or precipitation. For the weekend, expect highs right around 100 degrees for metro Phoenix with overnight lows around 80. Next week, we’ll see those high temperatures slowly slide into the 90s. - Royal Norman
Posted on: Thu, 18 Sep 2014 21:09:51 +0000

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