Record ocean temps fuel Tropical Storm Dexter, 2 more systems brewing
The storm developed quickly due to very warm water in the Gulf Stream, which has been near record-breaking levels in recent weeks.
Dexter is projected to fizzle out in the northern Atlantic by the end of the week.
Meteorologists are also monitoring two other disturbances.
One is located off the Georgia coast, with a 30% chance of development. If it forms, it may drift west or northwest onshore.
Another tropical wave off the coast of Africa has a 50% chance of development.
This system could form as early as Wednesday, but it is likely to move north too quickly to impact the United States directly.
Channel 9 meteorologist will continue to monitor all tropical activity and provide updates on Eyewitness News.
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CBS News
4 hours ago
- CBS News
Two Atlantic systems being monitored as Tropical Storm Dexter moves away from U.S.
Tropical Storm Dexter continues to track northeastward between eastern Canada and Bermuda, posing no threat to land, while forecasters are keeping an eye on two additional systems in the Atlantic with potential for development later this week. As of Monday, Dexter is moving at 15 mph northeastward and is expected to stay over open waters, well away from the U.S. East Coast. The storm maintains winds between 45 and 50 mph and is forecast to remain a tropical storm for the next two to three days before becoming post-tropical over the North Atlantic. Although Dexter will not approach land, its sustained winds are expected to kick up seas along parts of the northeastern U.S. and eastern Canada. Forecasters say a low-pressure system may develop by midweek just off the Florida Peninsula, stretching as far south as West Palm Beach. While the system is expected to remain close to South Florida, any development would likely move north-northwest along the Southeast coast. As of now, the National Hurricane Center has given it a 0% chance of development over the next 48 hours. Another area of interest is a tropical wave moving off the west coast of Africa on Monday afternoon. It is expected to travel west-northwest this week across the central tropical Atlantic. Gradual development could occur later this week or into the weekend, with the potential for a tropical depression to form. Forecasters said the system's long-range track remains uncertain, and it will be monitored over the next week and a half.
Boston Globe
5 hours ago
- Boston Globe
Tropical Storm Dexter forms in the Atlantic, while other areas of interest develop
Sea surface temperatures begin to heat significantly in August, and the average sea surface temperature across the Northern Atlantic, as a whole, is currently the third warmest on record. This has helped raise the alert on two other areas of interest that are worth watching over the next week. Showers and thunderstorms may run out of room to organize into a named storm before moving inland over the Carolinas, but should still produce rounds of heavy, tropical-like rainfall regardless. A tropical wave coming off the west coast of Africa is already showing signs of storm development, and environmental conditions will become more favorable for a tropical depression to form later this week. Advertisement Two areas of interest have the potential to form into tropical storms over the next week. Boston Globe We've seen a strong Bermuda high throughout July, which delivered stronger than normal wind shear across the Tropical Atlantic and into the Caribbean, suppressing tropical activity over the last few weeks. But we're starting to see the high begin to weaken, which does a couple of things. One, a weaker Bermuda high slows wind shear and creates a more stable environment for storms to develop and sustain. And two, the rate of evaporation with the weaker winds will increase sea surface temperatures, providing more fuel for storms to organize more quickly. Advertisement The chart below shows the forecast wind shear over the next two weeks with blue shading indicating weaker winds. Wind shear over the tropical Atlantic is forecast to be weaker than normal over the next two weeks (blue shading). NOAA These are great clues to suggest we're about to see the Atlantic hurricane season have an above-average month in terms of the number of storms. Dexter has become the fourth named storm of the season, which doesn't typically occur until Aug. 15. The first hurricane does not usually form until Aug. 11. This graph details the number of storms throughout the average hurricane season. The fourth named storm typically arrives later in mid-August. University of Miami I'd be willing to bet that we'll have the first named hurricane of the season on or before the average date. The next named storm will be Erin. Ken Mahan can be reached at
Boston Globe
6 hours ago
- Boston Globe
A touch cooler Tuesday with clouds and lingering haze
Boston finished the month slightly below average. Parts of southern New England, including Walpole, Springfield, and Hartford, finished among the 10 wettest Julys on record, while most of New Hampshire and Maine saw the opposite. Quick look Tuesday Temperatures slip to more seasonal averages across Greater Boston, reaching the upper 70s and low 80s under partly sunny skies. A weak front will help lift some of the wildfire smoke, but haze will linger across the region regardless. There is a weak front slipping into southern New England that may bring a couple of spot showers, mainly north and west of the city. Lows will likely fall to the low and mid-60s under partly cloudy skies. Advertisement The setup — a touch cooler, haze continues The pattern shifts slightly on Tuesday with high pressure settling to the north of Boston while a weak cold front continues to move south. This will set up a break in temperatures and keep most of Boston and coastal New England cooler than areas inland. Mostly dry air is in place, but the weak front will force some surface air into the higher atmosphere and produce a blend of clouds mixing with the sunshine. There is a chance for some spot showers and thunderstorms during the afternoon, but they should be few and far between. Advertisement A mix of sun and clouds will cover New England on Tuesday with a couple of spot showers in the afternoon. Boston Globe Morning temperatures will be in the upper 60s and low 70s. There could be a few spots of fog in low-lying areas, but it will fade as the morning progresses. Afternoon highs will likely be a touch below the typical average for this time of year in Boston and along the coast, reaching the upper 70s or low 80s from the onshore flow with winds of about 10 miles per hour. The interior parts of southern New England will reach the low to mid-80s, mostly around Interstate 95 and west. Highs across the region will be a touch cooler on Tuesday, reaching around 80 degrees in Boston. Boston Globe The weak front will do some good throughout Tuesday, lifting some of the surface smoke higher into the atmosphere. This should drop some of the air quality alerts across the region, but haze will still linger to dull the blue skies and keep some spots smelling like campfire. Canadian wildfire smoke continues across New England on Tuesday. Boston Globe We're going to stay stuck in this pattern for most of the work week. A blend of clouds and sunshine will bring the chance for a shower or two on Wednesday and Thursday afternoon. Again, the chance for any precipitation will stretch north and west of Greater Boston. Haze will continue to linger across New England but gradually wane as the week goes on. The pocket of high pressure is also pushing away Tropical Storm Dexter. The storm formed quickly over the weekend in the North Atlantic and will be directed away from the New England coast and remain at sea. Advertisement Tropical Storm Dexter will stay away from New England thanks to the pocket of high pressure over the region. Boston Globe Tuesday's breakdown Greater Boston: A slight onshore wind keeps the city and the north and south shores in the upper 70s and low 80s under partly sunny skies. Some lingering haze. Lows to the mid-60s under partly to mostly cloudy skies at night. Southeastern Mass.: A blend of sun and clouds with the coast reaching the upper 70s and interior into the low 80s. Haze lingers. Lows to the mid-60s with partly cloudy skies. Central/Western Mass.: Mix of sun and clouds with highs pushing to the mid-80s from Worcester to Pittsfield. Some spots will inch closer to 90. There is a chance for a spot afternoon shower, but they should be short-lived. Hazy skies are lighter but still lingering. Lows to the low and mid-60s under partly to mostly cloudy skies. Cape and Islands: Partly to mostly cloudy with some lingering haze. Highs to the mid and upper 70s. Breeze to about 10 miles per hour. A few choppy waves if you're on vacation at the beach. Lows to the mid-60s under partly to mostly cloudy skies. Rhode Island: Partly sunny skies with highs reaching the mid to upper 80s. Hazy skies continue. Chance for a quick shower but low. Lows to the low 60s under partly cloudy skies. New Hampshire: Highs to reach the upper 70s to mid-80s under a mix of sun and clouds. A low chance of an isolated shower in the afternoon. Still a bit hazy, but improved. Lows to the upper 50s and low 60s under partly cloudy skies. Vermont/Maine: Partly sunny skies with highs reaching the upper 70s to low 80s. Some hazy skies continue. A chance for a spot shower in Vermont, staying dry in Maine. Lows to the upper 50s and low 60s under partly cloudy skies. Advertisement A look at the forecast across Boston for the next seven days. Boston Globe for our , which will arrive straight into your inbox bright and early each weekday morning. Ken Mahan can be reached at
