Northern Grafton storm history

Light to moderate snow began late in the evening on the 6th. A mesoscale snowband lifted north but never quite made it into the White Mountains. The result was only occasionally heavy snowfall. Snow ended quickly once surface winds veered to northwesterly. Snowfall totals ranged …

A hiker planned to summit Mount Lafayette in the White Mountains on November 19-20th. The hiker didn't return to the trailhead as planned on Sunday and because of the harsh winter conditions a search party was immediately initiated that evening. Because of the harsh winter condit…

Grafton County averaged 2.10 inches of precipitation in December, approximately 1.2 inches below normal. Record-low inflows continued for Newfound and Squam Lakes. The USDM on December 30th had 91% of the county in Severe Drought (D2). The SBA continued to process disaster loans …

Grafton County averaged 2.96 inches of precipitation in November, approximately an inch below normal. The rainfall deficits carried over from summer grew near 6 inches, making it the 4th driest stretch between July through November on record. The USDM on November 25th had 91% of …

Grafton County averaged 2.96 inches of precipitation in September, approximately an inch below normal. The rainfall deficits carried over from summer grew near 6 inches, making it the driest stretch between June through September on record. The USDM on September 30th had 12% of t…

While snow began early in the morning on the 28th, snowfall rates picked up late morning through late afternoon. Snowfall rates where one inch per hour at times, especially once you got out of the lower elevations of the Connecticut River and nearby valleys. Snow was heavy and we…

Snow overspread the area during the evening of the 3rd, heavy at times overnight into the morning of the 4th. The Connecticut River 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 ti…

Snowfall rates in excess of 1 inch per hour in the morning led to snowfall totals ranging between 14 and 19 inches.

Snow squalls arrived in the White Mountains during the afternoon on the 14th. The Echo Lake webcam on I-93 observed visibility of one quarter mile with quick, light accumulations on the highway. The squalls lasted about 20 minutes at any given location before conditions improved.…

Snow overspread the White Mountains shortly after midnight, early on the morning of the 4th. Snowfall quickly became moderate to heavy through the early afternoon hours, except where downsloping winds helped evaporate falling snow. As low pressure moved into the Gulf of Maine, fl…

By the afternoon 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 -55 degrees early on the 4th before winds gradually beg…

Snow began during the evening of the 22nd. Snowfall quickly became moderate at times before midnight, then tapered to light snow which continued through most of the day on the 23rd. The White Mountains were on the northern edge of the heaviest snow band, with snowfall totals rang…

A significant downslope windstorm occurred in the White Mountains on the 23rd. With a temperature inversion sitting right around ridgeline, strong to damaging wind gusts were able to mix down the lee side of the higher terrain. For most of the day winds gusted between 40 and 60 m…

Light precipitation began early in the morning on the 16th, with snow in the higher elevations and a mix of rain and snow in the valleys. Steady moderate to occasionally heavy snow started relatively quickly after the onset, especially at higher elevations. Southeast flow upslopi…

Early in the day on the 12th precipitation was mainly rain, especially in the valleys. By late morning precipitation rapidly changed over to snow as low pressure developed off the coast of southern New England and colder air filtered in from the north. Snow became heavy at times …

Snow overspread the White Mountains early in the morning on the 25th. A hybrid type snow band gradually transitioned into a laterally quasi-stationary band around daybreak. Moderate to occasionally heavy snowfall continued from that time through early afternoon. The snow tapered …

Rain changed to snow in valley locations around 9:00 pm on the 3rd. During the morning on the 4th the snow intensity increased and remained moderate at times through mid morning. Steady snow continued through the afternoon and tapered off in the evening. Snowfall amounts ranged f…

Strong warm air advection forced a laterally translating band of snow into the White Mountains during the morning of the 17th. Within a couple hours snow was moderate to heavy. Snowfall rates were near 1 inch per hour for two or three hours leading up to midday. The dry slot and …

Snow overspread the White Mountains by midday on the 18th. Snow became moderate in the evening but otherwise remained light for the duration of the storm. Snow tapered off early in the morning on the 19th, finally ending as a couple of waves of light snow enhanced by upsloping wi…

Early spring snowstorm began around midnight on the 16th as rain transitioned over to snow across the higher elevations. Snow levels continued to lower through the night with snow spreading across the entire region by day break on the 16th. Moderate snow continued all morning bef…

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 the White Mountains. Snow continued into the evening in waves …

Snow began before sunrise on the 17th. The heaviest snowfall moved into areas south of Franconia Notch by mid morning. Snowfall rates exceeded inch per hour in the heaviest snow, but dry air to the north and weakening lift with increasing latitude left a sharp gradient in storm t…

Snow moved into the White Mountains early afternoon on the 5th. Snow became moderate to occasionally heavy on northern edge of the precipitation shield through the late evening. Some downsloping winds and warmer temperatures resulted in significantly less snow in the Connecticut …

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 Grafton County with isolated reports of snapped and uprooted trees along with broken branches due to wind gusts in the 40 mph range. Grafton County reported scattered power outages with the majority of power being restored within 2…

Anywhere from 1 to 10 inches of snow fell across northern Grafton County NH depending on elevation as well as the location of heaviest snow banding. Some selected amounts include 10.5 inches in Sugar Hill, 6.5 inches in Bethlehem, and 4 inches in Piermont.

Snow moved into the White Mountains during the afternoon on the 23rd and quickly became moderate to heavy. Forcing was driven primarily by warm air advection and banding near the low center never made it far enough northwest to affect the area, and so came to an end in less than …

Snow began in the early morning hours of the 16th. The most persistent and heaviest bands of snow remained over the Lakes Region northward through the day. Snow tapered off in the afternoon before coming to an end. Totals ranged from 6 to 8 inches of wet, heavy snow.

Precipitation moved in late on December 29th as a mix at onset. Freezing rain, sleet, and snow were all observed with marginal temperatures especially near the Connecticut River with snow in the higher elevations to the east overnight. In the late afternoon the approach of the up…

Snow began late on the 21st but did not become heavy at times until early on the 22nd. With a warmer late season boundary layer a combination of dynamic, evaporational, and upslope cooling allowed precipitation to stay mostly snow in the White Mountains of New Hampshire. Lower el…

Persistent light snow along a weak warm front developed on the evening of the 29th over parts of the White Mountains. Secondary low pressure developed in the Gulf of Maine overnight and snowfall intensified through the early morning hours on the 30th. Snow quickly ended from west…

A band of light to moderate snow developed over parts of the White Mountains late in the evening of the 19th in response to warm air advection developing aloft. Then heavy snow moved into area in the early morning hours and continued through the afternoon. Snow changed to sleet a…

A band of heavy snowfall developed on the morning of the 9th and pivoted over the White Mountains. Snow accumulations reached 6 inches or more by midday. Low pressure moving into New Brunswick kept winds northwest over the area into the overnight, and low level moisture forced ov…

Steady snow began late on the evening of the 26th. Orographic lift of southeast flow into the White Mountains allowed snow to be heavy at times early on the 27th. Significant accumulations occurred in the higher terrain and south facing slopes, while much lighter accumulations oc…