Severe Weather Threat On Saturday

Posted in GWC News, GWC Severe Weather at 2:19 pm by gmachos

Warnings Already Issued For Parts Of Jersey; T-Storm Watch In Effect Until 10:00 PM

The thunderstorm threat is back again.  After thunderstorms fizzled out in the late afternoon and early evening across Jersey, another threat has developed for Saturday.  Strong thunderstorms developed this morning over Western New York near the Eastern Great Lakes.  Storms also developed across Long Island during the course of the morning, but nothing had occurred yet in New Jersey.

However, during the lunch hour, things started to heat up in the Garden State.  Clouds started to build in, and severe thunderstorms developed.  Both of the storm cells were over parts of Central Jersey.  One caused a Severe Thunderstorm Warning to be issued for Mercer, Western Monmouth, Southwestern Middlesex, and Southwestern Somerset County until 2:00 PM.  The other was for Southern Monmouth and Northern Ocean County until 1:45 PM.  These storms had the capability to produce hail and winds in excess of 60 miles per hour.

While these storms have pushed offshore, there are still potential problems.  The Storm Prediction Center in Norman, Oklahoma issued a Severe Thunderstorm Watch for the entire state until 10:00 PM.  Here in Northern Middlesex County, there is a good deal of overcast, and a bit of a breeze out of the east.  Conditions remain humid, but it is a bit cool out for this time of day.   Temperature in South Plainfield is 77 degrees while the dew point is up to 74 degrees.  If the sun comes out though, severe weather is very likely since the heating of the sun will act as a catalyst for the instability that is already in place.

The locations within the watch area can expect hail up to 1.5 inches in diameter, winds in excess of 70 miles per hour, and dangerous lightning.  Looking at the latest radar, a lot of thunderstorm activity could be seen over Southeastern New York in counties such as Orange, Rockland, and Putnam.  Meanwhile, back in the Garden State, there are a few pockets of strong thunderstorms including Sussex County, Warren County, Morris County, and Burlington County.  Nothing threatening Middlesex County yet.  Keep an eye to the sky this afternoon and evening.

GWC Storm Footage–July 26, 2012–Thunderstorms Pummel Jersey

Posted in GWC News, YouTube Videos at 12:34 am by gmachos

Here is video footage of a couple rounds of thunderstorms that came through Northwestern Middlesex County on July 26, 2012. The first thunderstorm brought a heavy downpour late in the morning. It also set the stage for the more severe thunderstorm in the evening by leaving behind plenty of moisture and humidity for the sun to work with. The evening storm was part of a long line of severe storms that produced two inch hail, winds in excess of 60 to 80 miles per hour, and even tornadoes in Pennsylvania, New York, and New Jersey.

GWC Web Cam–Morning Downpour–July 26, 2012

Posted in GWC News, GWC Web Cam, YouTube Videos at 12:10 am by gmachos

Here is video footage from the original web cam at GWC of a thunderstorm that brought a heavy downpour during the morning of July 26, 2012. Besides bringing heavy rain, the storm provided a lot of moisture and instability that set the stage for the more severe weather later in the day.


GWC Web Cam–July 26, 2012–Severe Thunderstorm

Posted in GWC News, GWC Web Cam, YouTube Videos at 11:57 pm by gmachos

Here is video footage from both of the web cams (yes now there are 2!!) of the severe thunderstorm that developed in South Plainfield on the evening of July 26, 2012. This storm was part of a line of storms that stretched from Southern New England to the Mid-Atlantic. This storm caused numerous reports of damage throughout New Jersey, New York, and Pennsylvania. It also left several people injured in NJ.

GWC Slideshow–Thunderstorm–July 26, 2012

Posted in GWC News, GWC Slideshows, YouTube Videos at 11:47 pm by gmachos

Here is a slideshow of the weather conditions in South Plainfield, New Jersey on July 26, 2012. On this day, there were two significant storms that rolled through. The first one brought a downpour late in the morning and the second was a severe storm that brought high winds, heavy rain, and dangerous lightning.

GWC Time Lapse–July 26, 2012–Thunderstorms Ravage Jersey

Posted in GWC News, GWC Web Cam, YouTube Videos at 11:46 pm by gmachos

Here is a time lapse video of weather conditions in South Plainfield, New Jersey on July 26, 2012. On this day, several waves of storms brought downpours, lightning, and high winds to Northwestern Middlesex County. The most severe of the three storms that rolled through was in the early evening when a strong line of storms pushed through New Jersey.

Strong Storms Possible Again On Friday Night

Posted in GWC News, GWC Severe Weather, Storm Preparation at 6:30 pm by gmachos

Parts Of New Jersey Could See Encore Of Thursday Night’s Severe Weather

Ready for another round of strong to severe thunderstorms? Believe it or not, more severe weather is possible again on Friday night around the Garden State. Skies have been variably cloudy and conditions have been unsettled all day today. In addition, there is still a great deal of humidity in the area.

Temperatures are not as hot as they were yesterday in Northwestern Middlesex County. The mercury only climbed to the upper 80s in South Plainfield, and the dew point was a bit lower to make the heat index feel like it was in the mid 90s outside. However, conditions are still uncomfortable with the peak dew point reaching 75 degrees.

The National Weather Service in Mount Holly has given a 30 to 40 percent chance of thunderstorms developing late this afternoon into the evening. Strong to severe thunderstorms already have been rumbling through Central and Eastern Pennsylvania. While the Storm Prediction Center in Norman, Oklahoma has not issued any watches for the region yet, the NWS indicates that storms containing gusty winds and heavy rains are possible tonight.

Much of the real hot weather stayed off to the south and west on Friday. An excessive heat warning remains in effect for the Philadelphia metro area including the New Jersey capital of Trenton. A Heat Advisory remained in effect for much of South Jersey including Atlantic City. It was quite a storm on Thursday night.

The severe weather here in Northwestern Middlesex County was the third round of storms during the day on Thursday. There was a brief thundershower in the early morning followed by a stronger storm that brought a downpour by late morning. The rainfall in the morning set the stage for the severe weather in the afternoon creating a great deal of moisture and instability for the sun to play with when it came out in the early afternoon.

Temperatures that were in the low to mid 70s at mid-morning climbed into the low 90s by the afternoon. Dew points went up from 69 in the morning to 77 by the late afternoon. The combination of the increased heat and humidity made it feel like 104 degrees outside in South Plainfield. Strong thunderstorms fed off of the heat and humidity as they began their jaunt from Eastern Ohio and Western Pennsylvania during the mid-afternoon.

Moving at a rate of 50 miles per hour, these storms had the capability of producing hail that was two inches in diameter and 80 mile per hour winds along with dangerous cloud to ground lightning. In some instances, the storms spun off tornadoes. Elmira, New York had people from the National Weather Service office in Binghamton investigating the area for the possibility of tornadoes. A Tornado Watch was issued for Northeastern Pennsylvania by late afternoon.

The hardest hit areas in Jersey from this derecho like system were in Hunterdon, Somerset, Middlesex, and Monmouth County. Doppler radar detected a bow echo like feature pushing through the southern part of Middlesex County into interior Monmouth County near Freehold. Some 20,000 people were left without power in the wake of the storms and six people were injured according to an article written in Friday’s Star-Ledger.

According to the Storm Prediction Center, there were reports of 3 tornadoes, 419 of straight line winds, and 38 of hail from the severe weather on Thursday. Two of those three reports of twisters came from Elmira, New York. Three reports of hail came from Pennsylvania while one came from New York. Ten reports of high winds came from New Jersey including one from Plainfield for downed wires on Park Avenue, and then another from Edison for downed trees. Three people were injured in Rockaway Township in Morris County when a downed tree fell on a house there.

Hot, humid, and unsettled weather is expected through the weekend with temperatures reaching the mid to upper 80s with a chance of thunderstorms in the afternoon and evening from Saturday to Tuesday.


Severe Thunderstorm Watch In Effect

Posted in GWC News, GWC Severe Weather, Storm Track, Storm Warning at 6:44 pm by gmachos

Long Line Of Strong Storms Bearing Down On New Jersey

With another day of intense heat and humidity, the Garden State is primed for severe weather as we head into the evening on Thursday. Earlier this morning, two waves of thunderstorms passed through without much in the way of rain, but it created a very hot and humid atmosphere, which is providing the spark for an intense line of thunderstorms moving through Central and Eastern Pennsylvania.

Temperatures were in the upper 60s to low 70s this morning, but after the two waves of storms came through, the sun emerged to heat up an already unstable atmosphere. The temperature went up to 74 by 9:00 AM, 83 by 12:00 PM, and then a high of 91.1 during the mid-afternoon. The dew point soared up to 77 degrees and combined with the temperature, made it feel like it was 104 degrees outside.

The Storm Prediction Center in Norman, Oklahoma has placed Northwestern Middlesex County as well as the rest of the Garden State under a Severe Thunderstorm Watch. Already some of those areas are under a Severe Thunderstorm Warning. Further to the Northwest in Northeastern Pennsylvania, near Scranton, there is a Tornado Watch. What we have here is the makings of another derecho, but this one is further north than the one that pummeled South Jersey about a month or so ago. These storms are capable of producing dangerous lightning, hail 2 inches in diameter along with 80 mile per hour winds.

The watch area stretches some 65 miles to the north and south of a line from 25 miles North-Northeast of Groton Connecticut to 65 miles Northwest of Wilmington, Delaware. Skies are already darkening here in Northwestern Middlesex County. Take cover, and

GWC Time Lapse–July 23, 2012–Late Afternoon Thunderstorm

Posted in GWC News, GWC Web Cam, YouTube Videos at 12:03 am by gmachos

This is a time lapse video of weather conditions during the afternoon and evening of July 23, 2012 in South Plainfield, New Jersey. On this day, a late afternoon thunderstorm developed in the area bringing about 0.11 of an inch of rain to Northwestern Middlesex County. It also produced vivid lightning around the area.


GWC Time Lapse–July 20, 2012–Much Needed Soaking Rain

Posted in GWC News, GWC Web Cam, YouTube Videos at 8:23 am by gmachos

Here is a time lapse video of weather conditions in South Plainfield, New Jersey on July 20, 2012. On this day, a disturbance rode a stationary front to bring a much needed soaking rain to Northwestern Middlesex County. It was the third consecutive day of measurable rainfall, and the fourth such day this particular week. About 0.8 inches of rain fell from the storm.

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