Overworked umbrellas and wellies, wet dogs, muddy kitchen entryways, delayed work projects for highway crews and landscape companies — the rainy weather this fall has been a predominant theme on Martha’s Vineyard.
Information from the National Weather Service confirms that rainfall is well above average for this time of year, although no records have been set.
So far in November it has rained 13 days out of the month, with four of those rain events qualifying as torrential with more than an inch of rain.
According to measurements taken at the National Weather Service cooperative weather station in Edgartown, 9.59 inches of rain fell between Nov. 1 and Nov. 27. At the cooperative weather station in Vineyard Haven, 10.36 inches of rain were recorded for the same period.
That’s more than twice the normal amount of rain for November on the Island, where the average rainfall, measured over the most recent 30-year period, is 4.32 inches.
The drenching November follows a rainy October.
“You’re probably two to three inches above normal on the Vineyard in October and that pattern just continued into November,” National Weather Service meteorologist Matthew Belk told the Gazette by phone this week from the weather service facility in Norton. “That’s definitely above normal. It’s definitely not common.”
With more than a month left in 2018, yearly precipitation has already exceeded the norm for the Island, which is 46.94 inches.
The National Climate Assessment, a study of climate change by the U.S. government released late last week, found a trend of increased rainfall in the Northeast, including increased intensity in rain events compared with other regions.
But Mr. Belk said no particular weather phenomenon explains all the rain, beyond an unusual stretch of weather moving through the region this fall.
“You get a storm every two or three days,” Mr. Belk said. “We’ve just been in an active pattern. These things happen. It’s not anything climate related, you just happen to be in the middle of the freeway, as has the rest of southern New England.”
Oak Bluffs highway superintendent Richard Combra Jr. said the rainy weather has put an extra burden on his crews who are coping with roadway flooding. A giant puddle near the Trade Wind Fields Preserve on County Road generates regular complaints.
“That puddle has gotten so bad this year because of all the rain we’ve had,” Mr. Combra said. “I have a couple other areas in town. The bottom of School street is impossible to fix because the water table is so high there the water can’t go anywhere. All the wetlands are so high from all the rain there is definitely more flooding than we’ve had in the past.”
Caleb Nicholson of Contemporary Landscapes said fall rain is good for lawns and gardens but too much hampers his crews.
“We do count on the rain, but not this much rain,” Mr. Nicholson said. “When we have these torrential downpours, they affect the drainage systems quite frequently. On a bunch of our projects we’ve had basins flooded, where we’ve had to rework drainage and rethink the capacity of some of these storm drain systems.”
He continued:
“This is the time of year we’re doing a lot of hydro-seeding. You have a big torrential downpour it can wash away all the seed, create a lot of erosion issues when we’re trying to get it established. When things are left wet, especially in the landscape world, that’s when diseases start to really come into play. That’s how it spreads.”
Sheriff’s Meadow Foundation executive director Adam Moore said the soggy weather has delayed some work on conservation lands.
“We are waiting for some of the properties to dry out a little bit before we put a tractor on them and mow them, but we have plenty of other work that we can do when it’s soggy,” Mr. Moore said. “If we stayed wet and soggy forever, that would be an issue, but we’ve been able to work around it.”
Meanwhile, the weekend forecast calls for rain.
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