Eastern Hillsborough storm history

A 42 year old man travelling on Interstate 93 in Manchester was killed when his car was struck by a 70 foot pine tree. Two passengers, the man's 36 year old wife and 2 year old daughter, were injured and were transported to the hospital. Saturated soil and strong winds combined, …

A 10 year old boy was killed when a birch tree was blown over by a strong gust of wind. Photos of the tree shown on local news outlets as well as reports in local newspapers indicated that the tree was at least partially rotted. The closest observations are available eight to nin…

The Automated Surface Observing System at Manchester Airport (KMHT) recorded sustained wind speeds of 43 mph and gusts to 63 mph. The wind downed numerous trees and wires across Bedford. In addition, a scout camp near Manchester (Camp Carpenter) reported around 200 downed trees o…

Half an inch of ice accumulated on exposed surfaces across eastern Hillsborough County. Numerous wires down in Merrimack and Manchester. Trees, wires, and utility poles downed in Pelham.

Snow overspread the Merrimack Valley on the morning of the 2nd. A nearly stationary band of snow set up over the upper part of the valley through the afternoon, but light to moderate snow continued through the afternoon in the lower part of the valley. Snow tapered off late in th…

Hillsborough County averaged 1.82 inches of precipitation in December, approximately 2.2 inches below normal. This was the 6th driest July'December stretch on record. Rural towns like Mason and Dunbarton saw a second wave of dry well reports as the winter freeze set in. The USDM …

Hillsborough County averaged 2.00 inches of precipitation in November, approximately 2 inches below normal. The rainfall deficits carried over from summer grew near 6 inches, making it the 8th driest stretch between July through November on record. The USDM on November 25th had 4…

Hillsborough County averaged 2.89 inches of precipitation in September, approximately an inch below normal. The rainfall deficits carried over from summer grew near 5 inches, making it the 8th driest stretch between July through September on record. The USDM on September 30th had…

Light snow overspread the area in the evening on the 15th. This continued into the morning of the 16th when an area of strong warm air advection resulted in a laterally translating band of moderate to heavy snow. This swept through the region by the afternoon of the 16th. Periods…

Snow overspread the area in the late evening on the 8th. Strong warm air advection resulted in a broad area of steady snow. A focused band of heavier snow lifted through southern New Hampshire, with a dry slot eventually approaching and leading to lighter snowfall. At times a ver…

An early season heat wave impacted New Hampshire from June 17th through the 20th with the peak of the heat occurring June 19th-20th when excessive heat was observed through southern and central parts of the state. Heat index values reached above 105F across southern New Hampshire…

Snow overspread the area during the evening of the 3rd, heavy at times overnight into the morning of the 4th. The Merrimack Valley was far enough west to be well into the colder portions of the storm, but given the late season winter event temperatures were marginal at times. As …

Snow squalls arrived in the Merrimack River Valley during the afternoon on the 14th. The Manchester-Boston Regional Airport reported visibility of one quarter mile with winds gusting to 43 mph. The squalls lasted about 20 minutes at any given location before conditions improved. …

Moderate snow began in the evening on the 6th. Several rounds of heavy snow with snowfall rates in excess of 1 to 2 inches per hour occurred through the event, one early in the morning on the 7th with the initial mesoscale warm advection band, and a second later in the day as def…

A hard freeze impacted the region shortly after midnight on May 18th with widespread sub-freezing temperatures. Temperatures ranged from freezing to the mid-20s. Nashua reported a low of 27 degrees. The temperatures were some of the coldest this late in spring in over the past 30…

Rain changed to snow in the Merrimack Valley during the early morning on the 14th. Snowfall quickly became moderate to heavy at times. Snowfall totals ranged from 8 to 14 inches. Power outages were widespread where snowfall totals exceeded 10 inches.

Snow overspread the Merrimack River Valley around midnight, late on the 3rd. Snowfall quickly became moderate to heavy through the early afternoon hours. As low pressure moved into the northwest Atlantic flow become more northwesterly and snow quickly came to an end. Snowfall tot…

By the evening on the 3rd wind chills were reaching -30 degrees. Ambient air temperatures continued to fall into the double digits below zero with winds gusting in excess of 35 mph. The coldest wind chill values approached -40 degrees early on the 4th before winds gradually began…

Light snow began during the evening of the 22nd. After midnight snow changed to light freezing rain and sleet and even rain. By mid morning on the 23rd precipitation changed to snow again and became moderate at times in the evening before coming to an end. Snowfall totals ranged …

On August 30th drought monitor, Hillsborough County was 17% in extreme drought, 73% in severe drought, and 10% abnormally dry. By the end of the month, 4% of the county was in severe drought, 86% in moderate drought, and 10% abnormally dry. The improvement in drought classificati…

On the August 2nd drought monitor, Hillsborough County was 43% in severe drought and 57% moderate drought. By the end of the month, 73% of the county was in severe drought and 10% in moderate drought. The deterioration was the result of spotty shower activity with most of the cou…

Snow squalls crossed the Merrimack River Valley between 7:00 pm and 8:00 pm. The Manchester-Boston Regional Airport observed a visibility of 1/4 mile and a wind gust of 34 knots at 7:44 pm, and the Nashua-Boire Field Airport observed a visibility of 1/2 mile but a wind gust of 42…

Snow overspread the Manchester-Nashua corridor early in the morning on the 25th. A hybrid type snow band pushed through the area then gradually transitioned into a laterally quasi-stationary band which generally remained north of the area. Moderate to occasionally heavy snowfall …

Snow squalls crossed the Merrimack River Valley between 400 pm and 500 pm. The Nashua-Boire Field Airport observed a visibility of 1/2 mile and a wind gust of 36 knots at 441 pm, although area webcams showed visibility at or below 1/4 mile at times.

Light snow began very early on the morning of the 29th, with the intensity of snowfall picking up after daybreak. An intense band of snow developed around mid morning over southern New England but remained mostly over the Gulf of Maine, only backing into the Seacoast during the a…

Strong wind gusts were reported Tuesday morning with a measured gust of 54 mph being reported at the Manchester ASOS. A tree snapped on Tuesday morning during these strong winds and struck a vehicle on Bridge Street in Manchester. Two people in the car suffered injuries with the …

Snow moved into the area on the evening of the 1st and continued through the morning hours on the 2nd. The bulk of the accumulation came with moderate to heavy snow in the mesoscale snow band as it moved north through New Hampshire. Snowfall rates were 1 inch per hour at times, a…

Snow began just after midnight on the 17th. Snow quickly became heavy as an intense band of snow moved through the area. While the band became stationary north of the area, as it moved through snowfall rates of 3 to 4 inches per hour were observed. During mid morning hours an are…

Drought classification remained the same throughout the entire region during the month of November with D2 and D3 classification remaining centered across southeast New Hampshire. Severe drought impacted 19% of the state with 11% of the state under Extreme drought conditions. Due…

The drought peaked in intensity during the first week of October before beneficial widespread rains impacted the state towards the middle of October. Concord received a monthly rainfall total of 5.11, Manchester received 4.01, and Durham received 4.59. Conditions became dry once …

The drought peaked in intensity during the first week of October before beneficial widespread rains impacted the state towards the middle of October. Concord received a monthly rainfall total of 5.11, Manchester received 4.01, Whitefield received 5.48, and Durham received 4.59. E…

Drought continued to expand and intensified through the month of September with the state of New Hampshire recording the 7th driest September on record. D2 severe drought expanded to cover every county in New Hampshire by the end of the month. In addition, an area of D3 extreme d…

Tropical Storm Isaias brought limited impacts to Hillsborough County with isolated reports of trees and branches down leading to isolated power outages. Some damage occurred within an outer feeder band during the early and middle afternoon across the western half of the county. I…

Snow moved into Nashua and Manchester during the afternoon on the 23rd and quickly became moderate to heavy. While forcing was driven primarily by warm air advection, a band of heavy snow developed northwest of the low center and did manage to lift into the area. This extended th…

On the evening of December 1st a band of heavy snowfall lifted out of Massachusetts into southwest New Hampshire. Snowfall rates in excess of 1 inch per hour were common in the late evening before snow began to taper. Manchester Boston Regional Airport observed 4 inches of snow i…

Light snow began on the evening of the 3rd. As low pressure intensified off Cape Cod an intense band of snow developed northwest of the track. Parts of this band clipped southeast New Hampshire with snowfall rates of 1 to 2 inches per hour early in the morning on the 4th. Snow qu…

Snow broke out across southwest New Hampshire just after midnight on the 20th, with heavy snow moving into area in the early morning hours. Snow changed to significant amounts of sleet during the morning and continued for much of the day, keeping snow amounts lower than areas far…

In the late evening of the 15th a band of heavy snow lifted out of southern New England into southern New Hampshire. Snowfall quickly increased in intensity, and rates of 1 inch per hour were observed after midnight. Early morning of the 16th a dry slot moved overhead and precipi…