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Weather for Wilmington, Massachusetts

Lat: 42.56N, Lon: 71.17W
Wx Zone: MAZ005 CWA Used: BOX

Massachusetts Drought Monitor

The Massachusetts Drought monitor is a subset of the United States Monitor, issued every Thursday morning, based on drought conditions the previous Tuesday. The map below shows the current drought level around the state, and the percent of Massachusetts land area in each drought level compared to the previous week.

Read an explanation of the drought intensities and what they mean.

Massachusetts Drought Monitor

Massachusetts Hydrologic Information Statement

Note that if drought conditions are not being experienced, or in the case of river flooding or heavy rain, this statement may be used to indicate river flows or flood potential.

FGUS71 KBOX 161626

1126 AM EST Thu Feb 16 2017

...The Winter/Spring flood potential is normal for most of southern 
New England, and slightly below normal across portions of northern 
Connecticut, southern Rhode Island and southeast 

The winter/spring flood potential for southern New England is normal 
for most of Massachusetts, northern Rhode Island, and along the 
Connecticut River in Connecticut. The flood potential is slightly 
below normal across northern Connecticut away from the Connecticut 
River, northern Rhode Island, and southeast Massachusetts. The 
potential for flooding due to ice jams is much below normal. 

The following web site has a map depicting the flood potential 

This is the fourth winter/spring flood potential outlook of the 2017 
season.  This outlook is based on current and forecast 
hydrometeorological conditions. This includes snow cover and snow 
water equivalent, stream and river levels and the amount of ice 
coverage, recent precipitation and temperatures, and expected 
temperatures and precipitation over the next two weeks. 

...Recent Precipitation...

January 2017 brought near normal precipitation to southern New 
England. Liquid equivalent precipitation ranged from 3.5 to 5 inches 
for much of the area, which was mainly within a half inch of normal. 
The exception was Rhode Island and southeast Massachusetts, where
higher totals of 5 to 7 inches fell. This precipitation was 1 to 
3 inches above normal. 

February 2017 precipitation has been above normal month-to-date 
across the region. Liquid equivalent totals range mainly from 2 
to 3 inches. There were some higher totals within eastern 
Massachusetts, where some locales had liquid equivalent totals 
that were greater than an inch above normal month-to-date.

Temperatures during January averaged 3 to 5 degrees above normal. 
Based on preliminary data, Boston, Worcester, Hartford and 
Providence ranked between their 10th and 12th warmest January on 

February temperatures month-to-date have averaged near or 
slightly below normal. 

...Observed snow depths and water equivalents...  

Snow depth had increased substantially during the past 2 weeks, and 
as of February 17 the area's snow pack was somewhat above normal 
in depth and extent for this time of year. Snow depth ranged from 
10 to 20 inches across much of the area. Deeper snow pack of 20 to
near 30 inches was found along the highest terrain of the 
Worcester Hills, and in northwest Massachusetts along the east 
slopes of the Berkshires. 

Snow depth across much of southeast Massachusetts and southern Rhode 
Island was somewhat less, predominantly 4 to 10 inches. Then along 
the immediate south coasts of Massachusetts and Rhode Island, snow 
depth was a trace to a few inches deep. No snow was reported on the 
ground at Block Island and Nantucket. 

Snow water equivalent ranged from 1.5 to 3 inches across much of 
southern New England, with higher amounts of 3.5 to locally over 5 
inches across the higher terrain of the east slopes of the 
Berkshires, as well as highest terrain of the Worcester Hills. Snow 
water equivalent across south coastal RI and south coastal MA was 
mainly 2 inches or less. 

...River and Ice Conditions... 

As of February 17, rivers and streams were running at near normal 
levels for this time of year across much of the area. There were 
still a some waterways running below normal, especially across 
portions of north central Connecticut. 

The above normal temperatures during January substantially limited 
the amount of river ice development that occurred during the middle 
of winter. River ice has grown somewhat in extent and coverage 
during the past 2 weeks, but is still much below normal for this 
time of year. So heading forward, the flood risk due to ice jams is 
much below normal. 

...Soil Moisture Conditions and Water Supply...  

January brought some short term relief from the drought conditions, 
boosting streamflow and ground water, and increasing soil moisture. 
While soil moisture as of mid February was still predominantly below 
normal, improvement had occurred. 

Water supply as of early February was normal to below normal in 
Massachusetts, predominantly below normal in Connecticut, and normal 
to above normal in Rhode Island.

In Rhode Island, Scituate Reservoir was at 98% of capacity, which
is above normal for this time of year. 

In Connecticut, State overall water supply had improved 
considerably, to 79.8% of capacity/usable storage as of early 
February. However some reservoirs were still low as of early
February. Southington Water Department reported 47% usable 
storage, New Britain 41.6 %, and Bristol 55.5%. Manchester Water 
Department saw significant improvement, and was at 89% usable 
storage as of early February. 

In Massachusetts, reservoirs monitored by the State Department of 
Conservation and Recreation were mainly at normal to below normal 
levels for early February. Quabbin Reservoir was at 79.9% of 
capacity as of February 1, with Wachusett Reservoir at 91.3%. 

...Temperature and Precipitation Outlook...

Over the next 7 days...temperatures are expected to mainly be within 
a few degrees of normal. However milder temperatures are forecast 
for Saturday night through Sunday night, and high temperatures on 
Sunday may reach 50 degrees in some locales. Mainly dry conditions 
are forecast for the region for the next 7 days, with a chance 
for precipitation towards the middle of the next workweek. 

For the 8 to 14 day outlook, February 23 to March 1, the Climate 
Prediction Center calls for both temperatures and precipitation 
to average above normal. 


Based on information available at this time, the late winter and 
spring flood potential is normal across most of Massachusetts, 
northern Rhode Island, and along the Connecticut River in 
Connecticut. The flood potential is slightly below normal across 
northern Connecticut away from the Connecticut River, northern 
Rhode Island, and southeast Massachusetts.

Snow depths and snow water equivalents are slightly above normal for 
this time of year. This is inclusive of southern New England, as 
well as the headwaters of the Connecticut and Merrimack Rivers in 
Vermont and New Hampshire. 

Over the past 1 to 2 months there has been a steady period of short 
term improvements to the longer term drought. Gradual improvements
have been noted in reservoirs, groundwater, rivers and streams,
and there has been an establishment of a snow pack. Thus the 
flood potential is mainly near normal. Across areas where the 
flood potential is somewhat below normal, there is still more 
drought-related buffer available in rivers, streams, groundwater 
and reservoirs, should a heavy rainfall or combination rainfall-
snowmelt event materialize. 

Mainly dry conditions and near seasonable temperatures are 
forecast for the next 7 days, although a warmup is expected for 
the latter part of this weekend, and there is a chance for
precipitation towards the middle of the next workweek. The snow 
pack will compact and have some melt over the next 7 days, 
especially on Sunday. However a rapid melt is not anticipated over
this timeframe. 

With the 8 to 14 day outlook indicating above normal temperatures 
and above normal precipitation, this timeframe may allow for further 
snowmelt to occur. 

Keep in mind that heavy rain can cause flooding any time of the 
year. Those with interests along rivers and streams should check the 
Hazardous Weather Outlook, which highlights any potential flood 
events over the next 7 days. Go to and 
click on the option Hazards, then click on Local Outlook.


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