January 3-12, 2014 Daily Observations

The daily observations for the January 3-12 time period have been posted below, and observations after January 12 will be updated shortly on a daily basis starting with the January 13 brief update.

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Fri 1/3, Sat 1/4, Sun 1/5, Mon 1/6, Tue 1/7, Wed 1/8, Thu 1/9,
Fri 1/10, Sat 1/11, Sun 1/12

 


<< January 2 | January 3-12 | January 13 >>

Sunday, January 12 Observations:

1.12.14A slightly cooler air mass quickly moved through the region behind Saturday’s cold front, but with little cold air available at the surface as the frigid temperatures previously over southern Canada having retreated northwards, temperatures only slightly cooled down into the upper 40s to low 50s across the area along with a breezy west wind.

The highest temperature was 53 degrees in multiple locations, and the coolest high temperature was 46 degrees in Andover, NJ.

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Saturday, January 11 Observations:

1.11.14The “January Thaw” part of the winter began on Saturday as temperatures slowly warmed into the low 40s in the early morning, before rapidly spiking well into the 50s and even low 60s in northern NJ in only an hour by the late morning hours as a warm front moved north of the area, associated with a broad area of low pressure over southern Canada. The associated cold front then moved through in the mid afternoon, bringing a broken line of heavy rain, thunderstorms and strong wind gusts.

The highest temperature was 62 degrees in Somerville and Morristown, NJ, and the coolest high temperature was 53 degrees in Farmingdale, NY.

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Friday, January 10 Observations:

1.10.14As the strong high pressure shifted east and warm air advection occurred with the aid of a southwesterly flow, moisture spread into the area with snow showers developing in the morning mainly north/west of NYC, with up to 1/2 to locally 1 inch reported, while locations closer to the coast observed a wintry mix or rain. Temperatures continued the warming trend, peaking in the low 30s to low 40s.

The highest temperature was 42 degrees in Montauk, NY, and the coolest high temperature was 33 degrees in Montgomery, NY.

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Thursday, January 9 Observations:

1.9.14The cold air mass continued to gradually weaken as a high pressure built over the region, keeping dry conditions in place for the third day in a row. Temperatures returned to more seasonable levels, peaking in the low 30s across most of the area, but with increasing cloud cover overnight ahead of the next storm system.

The highest temperature was 34 degrees in Newark, NJ and JFK airport, and the coolest high temperature was 30 degrees in multiple locations.

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Wednesday, January 8 Observations:

1.8.14The frigid air mass began to weaken on Wednesday, both as the strong upper level low in Canada pulled the core of the cold northward and due to the cold air moderating while over the region, having been displaced far from its source region, but with continued cold daytime temperatures in the upper 10s to low 20s which is still well below average. Morning temperatures were generally in the single digits further east and below zero further west; Central Park fell to 4 degrees, breaking the record low of 6 from 1898 – the last time a record low temperature was broken in Central Park was on March 9, 1996, almost 20 years ago.

The highest temperature was 23 degrees in multiple locations, and the coolest high temperature was 19 degrees in multiple locations.

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Tuesday, January 7 Observations:

1.7.14Tuesday was an extremely cold day across the region with conditions more typical of those in the Midwest as an anomalously cold air mass covered the region. High temperatures peaked at midnight in the 10s west of NYC, 20s in western LI/CT, and low 30s in eastern LI/CT, continuing to fall into the single digits by 7am. During the daytime hours, strong westerly winds continued while daytime high temperatures only reached the upper 0s to low 10s, over 20 degrees below average, leading to wind chills generally in the -10 to -20 degree range. The highest temperature was 33 degrees in Montauk, NY and New London, CT, and the coolest high temperature was 12 degrees in Sussex and Somerset, NJ.

 

1.7.14_2

Since temperatures were anomalously cold during the daytime hours, a separate graphic has been included to the right for daytime high temperatures, between 7am and 12am. Temperatures were generally in the 7-10 degree range in northern NJ and SE NY, and the 10-14 degree range in NYC, southern CT and Long Island. During the daytime hours, the coolest maximum temperature was 7 degrees in Sussex, NJ, and the highest maximum temperature was 14 degrees in Montauk, NY and New London, CT.

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Monday, January 6 Observations:

1.6.14As a strong cold front moved through the area in the mid-late morning hours, a strong squall line came through with areas of moderate-heavy rain and strong wind gusts, with highs peaking in the morning in the mid to upper 50s for most locations. As a frigid air mass entered the region, temperatures crashed through the 40s and 30s through the afternoon and evening along with snow falling in some locations, falling by midnight into the 10s from NYC and further west.

The highest temperature was 58 degrees in Newark, NJ, and the coolest high temperature was 53 degrees in multiple locations.

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Sunday, January 5 Observations:

1.5.14As a high pressure shifted east of the region and a low pressure organized in the central US, leading to a strengthening southeasterly flow near the area, temperatures began to warm up over the area throughout the day. Interior locations remained chilly, in the low to mid 30s with areas of freezing rain in the evening, while locations further southeast surged into the 40s to near 50 degrees with an onshore flow.

The highest temperature was 50 degrees in multiple locations, and the coolest high temperature was 33 degrees in Meriden, CT.

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Saturday, January 4 Observations:

1.4.14Frigid morning temperatures were observed with the aid of a fresh snow pack and radiational cooling, with lows in the single digits in NYC, near zero in the suburbs, and below zero elsewhere, falling as low as nearly -12 degrees in eastern Long Island and NW NJ. Temperatures moderated behind the initial significant cold surge on Friday as a high pressure moved through with more sunshine and a southwesterly flow, leading to warmer temperatures but still remaining below average, peaking in the mid 20s inland and the upper 20s-low 30s elsewhere, except for eastern Long Island in the mid to upper 30s.

The highest temperature was 37 degrees in Montauk, NY, and the coolest high temperature was 34 degrees in Montgomery, NY and Sussex, NJ.

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Friday, January 3 Observations:

1.3.14Read more: Jan 2-3, 2014 Storm Updates

The coldest temperatures in the last few years were observed on January 3 as snow departed the area in the morning hours, having produced a general 6-12 inches of snow for most locations. Morning temperatures fell into the single digits inland and low 10s elsewhere, with wind chills generally near or below zero with strong northerly winds. Partly sunny skies returned for the day with highs only reaching the low-mid 10s inland and the mid-upper 10s elsewhere; this was the first day since January 2009 that temperatures failed to break 20 degrees in Central Park.

The highest temperature was 19 degrees in multiple locations, and the coolest high temperature was 12 degrees in Sussex, NJ and Danbury, CT.

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