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Local weather information for Memphis and the Mid-South

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Category: accuracy

  • November Climate Data and MWN Forecast Accuracy

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    Erik Proseus

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    Memphis International Airport, Memphis, TNNovember is generally a transition month in the Mid-South as winter draws closer, the growing season ends, and there are typically some very pleasant days. While the drought of previous months abated, temperatures averaged a little above normal as well. Even with the rain, the area was still classified as being…

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  • October Climate Data and MWN Forecast Accuracy

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    Erik Proseus

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    Memphis International Airport, Memphis, TNOctober is generally a very pleasant weather month in the Mid-South, with moderating temperatures and dry conditions for the most part. While the dry weather of previous months continued, temperatures averaged above normal as well, with two temperature records being set or tied. The very dry conditions resulted in the metro…

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  • September Climate Data and MWN Forecast Accuracy

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    Erik Proseus

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    Memphis International Airport, Memphis, TNSeptember typically marks the transition from the heat of a Memphis summer to the much more pleasant conditions of fall. While that transition did take place this month, it was much later in than any Mid-Southerner could have hoped for, especially after a very long and hot summer. Multiple high temperature…

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  • August Climate Stats and MWN Forecast Accuracy

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    Erik Proseus

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    Memphis International Airport, Memphis, TNAugust is typically a hot month in the Mid-South, but August 2010 set multiple daily heat records and will go down as the 3rd hottest August on record. Ten temperature records were tied or broken (listed below) and Excessive Heat Warnings were in effect on 14 days with Heat Advisories in…

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  • July Climate Stats and MWN Forecast Accuracy

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    Erik Proseus

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    Memphis International Airport, Memphis, TNJuly continued the very warm pattern that began in June. A streak of consecutive days with high temperatures at or above average ended on the 13th at 53 days. For the month, the average temperature was 84.9 degrees, which was 2.4 degrees above normal and ranked as the 7th warmest July…

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  • Climate Summary and MWN Forecast Accuracy for June 2010

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    Erik Proseus

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    Memphis International Airport, Memphis, TNThanks to a very persistent summery high pressure regime and a lack of significant frontal systems, the Mid-South saw one of it’s warmest Junes on record. In fact, by the end of the month, Memphis Int’l Airport had seen 41 consecutive days of high temperatures at or above average (every day…

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  • May 2010 Climate Recap and MWN Forecast Accuracy

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    Erik Proseus

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    Memphis International Airport, Memphis, TNA warm and wet pattern in April continued into May, as temperatures were again above average and precipitation was record-setting in many locations across west and middle Tennessee thanks to an historic rainfall on and severe weather on May 1-2. At Memphis Int’l Airport, the average temperature for May was 74.2…

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  • April 2010 Climate Summary and Forecast Accuracy

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    Erik Proseus

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    Memphis International Airport, Memphis, TNThe period of cold weather that persisted through winter and tapered off some in March swung the other way in April with a well-above-normal temperature average. At Memphis Int’l Airport, the average temperature for April was 66.0 degrees, which was 3.9 degrees above normal. The maximum temperature for the month was…

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  • MWN forecast accuracy for March 2010

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    Erik Proseus

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    March is typically a difficult month to forecast as large temperature and moisture swings are possible over a short time period and a miscalculation in the timing of a frontal passage by just a few hours can introduce significant error in temperature and dewpoint forecasts. MWN managed to keep these significant errors to a minimum…

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  • Forecast accuracy for January and February 2010

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    Erik Proseus

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    The MWN Forecast began 2010 where 2009 left off – with the most accurate temperature and dewpoint forecasts for the month of January as compared to the available computer models and the National Weather Service. For the month, the average temperature error in all MWN forecasts was 2.53 degrees, or almost half of a degree…

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  • Forecast accuracy for December and 2009

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    Erik Proseus

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    MWN Forecast AccuracyThe MWN Forecast concluded 2009 with the most accurate temperature and dewpoint forecasts for the month as compared to the available computer models and the National Weather Service. For the month, the average temperature error in all MWN forecasts was 2.53 degrees, or 0.14 of a degree better than the NWS and 0.34-0.80…

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  • November climate data and forecast accuracy

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    Erik Proseus

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    The weather took a sharp right turn in November, as compared to the previous couple of months, especially in the precipitation category. While September and October were excessively wet, this month nearly set a record for the driest November on record until a storm system on the 29th-30th erased that possibility. It still ended up…

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  • October climate data and forecast accuracy

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    Erik Proseus

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    October continued the trend started in September by being much wetter than normal – in fact, record wet! The excess clouds and precipitation contributed to cool temperatures for the month. Following are climate summaries for Memphis and Bartlett, TN. Memphis International Airport, Memphis, TNAt Memphis Int’l Airport, the average temperature was 60.7 degrees, which was…

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  • September climate stats and forecast accuracy

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    Erik Proseus

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    After a cool August, September ended up being slightly warmer than average, though precipitation was well above normal. Following are climate summaries for Memphis and Bartlett, TN. Memphis International Airport, Memphis, TNAt the airport, the average temperature was 75.7 degrees, which was 0.9 degrees above normal. The highest temperature for the month was 93 degrees…

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  • August: another cool summer month + accuracy stats

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    Erik Proseus

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    After a considerably cool July, August ended up also being cooler than average, though precipitation was also below normal (versus July when it was well above normal). Following are climate summaries for Memphis and Bartlett, TN. Memphis International Airport, Memphis, TNAt the airport, the average temperature was 79.9 degrees, which was 1.3 degrees below normal.…

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  • MWN forecast accuracy vs. Memphis TV stations

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    Erik Proseus

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    I’ve made a fairly bold claim regarding the accuracy of the MemphisWeather.net forecast for some time now… that it is “the most accurate publicly-available forecast for Memphis and the Mid-South.” I’ve been told a number of times that this is true by fans of my site, so I have some degree of confidence in my…

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  • June 2009 – climate stats and forecast accuracy

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    Erik Proseus

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    Thanks to strong upper-level high pressure the latter half of the month, June 2009 averaged dry and hot in Memphis. In fact, after June 14, only a trace of rainfall was officially recorded, which is why precipitation ended up approximately one-half of what is normally received for the month. Also, beginning June 15, a string…

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  • May 2009 climate stats and forecast accuracy

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    Erik Proseus

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    May 2009 was a very wet and warm month in Memphis, which most of you know without any statistics to prove it. Following are climate summaries for Memphis International Airport and Bartlett, TN. Memphis International AirportAt the official recording station for Memphis, the average temperature was 71.6 degrees, which was 1.0 degrees above normal. The…

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  • April 2009 climate stats and forecast accuracy

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    Erik Proseus

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    April 2009 was a dry month, but temperatures averaged right at normal. Following are climate summaries for Memphis International Airport and Bartlett, TN. Memphis International AirportAt the official recording station for Memphis, the average temperature was 62.0 degrees, which was 0.1 degrees below normal. The highest temp for the month was 85 degrees, recorded three…

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  • March weather summary and forecast accuracy

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    Erik Proseus

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    Though it’s a little late, here are the climate stats for March 2009, which ended up slightly warmer and wetter than average. Memphis International AirportAt the official recording station for Memphis, the average temperature was 55.1 degrees, which was 1.6 degrees above normal. The highest temp for the month was 80 degrees on the 9th…

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