Technical Discussion: From Storms to Tropical Downpours - WFSB 3 Connecticut

Technical Discussion: From Storms to Tropical Downpours

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Todayacross Connecticut featured more hazy, hot and humid weather.  In fact, due to the amount of sunshinetemperatures peaked higher than we initially expected, into the upper 80s andlower 90s across the interior.  In factat Bradley International in Windsor Locks where the official records are kept,the mercury hit 91 degrees.  This is significantsince the high was 93 on Tuesday and 95 yesterday… today marks our thirdconsecutive day 90 or greater, meaning we've now recorded our first officialheat wave of 2014! 


Asof early evening, a line of severe thunderstorms was approaching and movinginto western Connecticut.  Those storms, plusanymore that develop and move through, will likely produce VERY heavy rainfallas the atmosphere is loaded with moisture. Furthermore, expect frequent lightning, wind gusts to 60 mph and perhapseven some hail.


Thestorms are in advance of a cold front that has slowly been on the approachsince mid-week.  As it has been slow tomove in, it will be slow to push through the region.  The stormy weather will end around midnight,then there will be a little lull before more rain arrives for Friday. 


Aswe transition to tomorrow, it's time to bring Arthur into the mix.  The upper level wind flow will transportmoisture associated with Arthur into Southern New England, as the center of thestorms passes well to our southeast later in the day.  That moisture will interact with the slowmoving cold front still in the vicinity of Southern New England.  This translates to periods of rain, withtropical downpours that could lead to flooding concerns.  It is quite possible that several inches ofrain could fall.  


BySaturday morning, Arthur will be history as it will race into the CanadianMaritimes.  In its wake, lower humidity,a bit of breeze and a sunnier.  TemperaturesSaturday will peak in the lower to mid-80s. Then for Sunday, another winner – bright sunshine with temperatures acouple degrees warmer than Saturday.


Sowhile it's not ideal weather tomorrow, the 4th of July, conditionsat least improve for the weekend.


Humidity,temperatures and chances for more wet weather increase early next week.  So despite a wet/unsettled Holiday, enjoywhat promises to be a gorgeous weekend!


MeteorologistMark Dixon





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