NOON UPDATE: It's officially the 6th day of our heatwave! We got to 90 degrees at Bradley International at noontime today. That 90 degree temp is expected to go higher. We'll let you know how high on Eyewitness News at 5pm. Now please remember you have to factor in the humidity to get the real feel out there. Here are some numbers for you: Wethersfield was at 92 at noon, but it felt like 102. Gales Ferry came in at 90, but it also felt like 102! Read on for more details on the heat and the chance for storms!
2.44" of rain was received in East Hartford and Manchester picked up 1.66" during yesterday's storms ...pretty impressive, but understandable given the atmosphere has been loaded with moisture.
After starting out in the lower 70s yesterday morning… temperatures peaked between 90 and 95 inland, factoring in high humidity (dew point values in the mid to upper 70s), the heat index topped out between 105 and 110! Meanwhile, along the shoreline temperatures ranged from 80 at Groton to 89 at Bridgeport.
With a high in the 90s (95 officially), July 3rd marks the 5th day of this first heat wave of 2018; it is also the 11th 90° day for the year.
In addition to the heat and humidity, thunderstorms also made headlines in parts of CT. Due to the moisture laden atmosphere and a dissipating cold front, storms developed and produced very heavy rain. Where rain fell, it provided temporary relief from the heat and humidity. Given a fairly stagnant wind flow aloft, the storms were slow moving, heightening the concern for flooding – in fact, a Flash Flood Warning was issued for areas southeast of Hartford through early yesterday evening.
THE REST OF THE HOLIDAY WEEK…
A Heat Advisory remains in place for much of Connecticut today.
Rinse and repeat! Basically, expect more of the same for today, a repeat of yesterday's weather. The morning fog burned off, the scattered showers in SE CT moved out, and now we're under mostly sunny skies and on to the brutal combination of heat and humidity. Inland, expect highs between 90 and 95. Heat Advisories have again been posted for today. When factoring in the high humidity (dew point values in the mid-70s!) we're seeing heat index values in excess of the century mark inland. Some relief can be found at the coastline where highs will be in the 80s.
The dissipating cold front that was the focal point for storms yesterday will linger in the region for July 4th… so this means we’ll run the risk for isolated afternoon/early evening thunderstorms. This is a situation where many towns will remain dry; but where storms do pop up, rain could be heavy and accompanied by frequent lightning.
Tomorrow will likely be our last 90 degree day or higher for this week, making it a 7 day heat wave! As of now, we may be able to squeak out a dry day with a low threat for storms.
Friday, a stronger cold front will move into the region bringing the chance for rain and thunderstorms. It will be a humid end to the week with highs in the 80s. As of now, storms that develop could be potent, potentially strong to severe… we’ll keep you updated as we get closer in time.
Behind the cold front that will bring unsettled weather Friday, a comfortable weekend is on tap! We’re currently forecasting lower humidity and dry, bright weather both days. It will also be cooler, more seasonable with highs near 80 Saturday, then into the lower/mid-80s Sunday.
Monday looks to be dry and seasonably warm with highs in the mid to upper 80s. Then Tuesday, there could be a shower or shower.
Meteorologist Mark Dixon with Scot Haney
NOTABLE HEAT WAVES
The longest heat waves on record in Connecticut lasted a total of 10 days. There was a 10-day heat wave in the summer of 1995 from July 24th through August 2nd. There was another 10-day heat wave in the summer of 2016 that lasted from July 21st through July 30th.
The most intense heat wave was in July of 1991 when we had 3 consecutive days of 100-degree heat! It was 100 on the 19th, 100 on the 20th, and 101 on the 21st!
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