Southern Grafton storm history

Snow squalls arrived in the Upper Valley during the afternoon of the 4th. At 259 pm the Lebanon Municipal Airport reported visibility falling to 1/4 mile and winds gusting to 33 mph. The squalls lasted about 30 to 45 minutes before conditions improved. Snowfall amounts were gener…

Snow overspread the Upper Valley on the morning of the 2nd. A nearly stationary band of snow set up south of Grafton County, but light to moderate snow continued through the day. Snow tapered off late in the evening on the 2nd. Snowfall totals range from 5 to 8 inches.

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…

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. Most of Grafton County remained just north of the strongest banding, though the Plymouth area did see some of the heavier snowfall rates. A very deep snow g…

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. Snowfall was fairly uniform as the area was under the most persistent banding, but there was some elevation dependence…

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 18 and 22 inches.

Precipitation began as a light mix, especially across the lower elevations and valleys of Grafton County. As heavier precipitation moved into the region, the precipitation type transitioned to snow, which became heavy at times in the higher terrain. In the lowest elevations, warm…

Snow squalls arrived in the Connecticut River Valley mid afternoon on the 14th. The Lebanon Municipal Airport reported visibility falling to one quarter mile with winds gusting to 28 mph. Later the Plymouth Municipal Airport also reported visibility of one quarter mile with winds…

Light to moderate snow began late in the evening on the 6th. Heavy snow began early in the morning on the 7th as a mesoscale band forced by strong warm air advection lifted in the Upper Valley and settled overhead into the afternoon. Snowfall rates in excess of 1 to 2 inches per …

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. Plymouth reported a low of 26 degrees. The temperatures were some of the coldest this late in spring in over the past …

Precipitation began as light snow in the Upper Valley during the late evening on the 13th. Overnight snow became moderate to heavy at times. Snow accumulation was highly dependent on elevation, with the lowest totals around I-93 in the Pemigewasset Valley. Snowfall totals ranged …

Snow overspread portions of the Upper Valley around midnight, late on the 3rd. Snowfall quickly became moderate to heavy through the early afternoon hours. As low pressure moved into the Gulf of Maine, flow become more northwesterly and snow tapered to upslope snow showers before…

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 -45 degrees early on the 4th before winds gradually beg…

Snow began during the evening of the 22nd. Snowfall became moderate to heavy at times during the morning of the 23rd. Light snow continued through most of the day on the 23rd. The Upper Valley was on the northern edge of the heaviest snow band, with snowfall totals ranging 6 to 1…

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…

Snow squalls crossed the Upper Valley between 5:00 pm and 6:00 pm. The Lebanon Municipal Airport observed a visibility of 1/4 mile and a wind gust of 26 knots at 5:55 pm, and the Plymouth Municipal Airport observed a visibility of 1/4 mile and a wind gust of 27 knots also at 5:55…

Snow overspread the Upper Valley 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 off…

Snow squalls crossed the Upper Valley between 400 pm and 500 pm. The Lebanon Municipal Airport observed a visibility of 1/4 mile and a wind gust of 27 knots at 402 pm.

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 became moderate to heavy at times through mid morning. Steady snow continued through the afternoon and tapered off in the evening. Snowfall amounts r…

Strong warm air advection forced a laterally translating band of snow into central New Hampshire 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 an…

Snow overspread the southern 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 ups…

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. Snow continued into the afternoon before ending…

Snow began after midnight on the 17th. Snow quickly became heavy as an intense band of snow moved into the area. As the band became nearly stationary over southern portions of Grafton County snowfall rates between 4 and 6 inches per hour were observed. A weakening trough aloft qu…

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…

Rain changed to wet snow during the early morning hours on the 9th. Anywhere from a dusting to 3 inches of snow fell depending on elevation as well as the location of heaviest snow banding. Some selected amounts include 2 inches in Brookfield and 2.4 inches 1 mile west of Wolfebo…

A few inches of snow fell across southern Grafton County depending on elevation as well as the location of heaviest snow banding. Some selected amounts include 3 inches in Orange and 1.5 inches in Plymouth.

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 5 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 across the area through the overnight. In the late afternoon the approach of the upper trough increased forcing for ascent and precipitation…

Snow began in the afternoon and quickly became moderate to heavy in the late afternoon. By late evening warmer air aloft changed precipitation to a mix of snow and sleet. Southeast flow allowed some upslope enhancement of precipitation in the higher terrain of the southern White …

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 southern 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 into the afternoon. Snow changed to s…

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.

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

Early on the morning of the 20th a parallel mesoscale band of snow developed over central New Hampshire, just to the north of the mid level warm front. Snow persisted under this feature into the mid afternoon, where a narrow swath received 6 to 8 inches of snow. As temperatures a…