With the unusually warm temperatures, we will be experiencing on Friday will clash with a strong cold front moving in later in the day. These combined will give our entire area a marginal risk for some severe weather.
Bottom line: enjoy the warm weather tomorrow but keep an eye to the sky especially later in the day and evening.
943 AM EST Fri Feb 7 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for…
Hunterdon County in northwestern New Jersey…
Southwestern Warren County in northwestern New Jersey…
Eastern Berks County in eastern Pennsylvania…
Lehigh County in eastern Pennsylvania…
Montgomery County in southeastern Pennsylvania…
Bucks County in southeastern Pennsylvania…
Northeastern Chester County in southeastern Pennsylvania…
Northampton County in eastern Pennsylvania…
* Until 1045 AM EST.
* At 942 AM EST, severe thunderstorms were located along a line
extending from near Bally to near Lionville-Marchwood, moving
northeast at 45 mph.
HAZARD…70 mph wind gusts and penny size hail.
SOURCE…Radar indicated.
IMPACT…Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include…
Allentown, Easton, Bethlehem, Pottstown, Phoenixville, Lansdale,
West Norriton, Forks, East Norriton, Emmaus, Northampton,
Quakertown, Perkasie, Doylestown, Byram, Wilson, Downingtown,
Souderton, Bedminster and Washington.
This includes the following highways…
Interstate 78 in New Jersey between mile markers 0 and 17.
Interstate 80 in New Jersey between mile markers 2 and 4.
Interstate 78 in Pennsylvania between mile markers 41 and 76.
Pennsylvania Turnpike between exits 312 and 320.
Northeast Extension between exits A31 and A56.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.
We’ll finish our work week with a very active weather day today. Overnight rains amounted to about 1/4″ in the western New Jersey area. More rain is on the way today.
There will also be plenty of wind. Look for the wind to be in two rounds. The first round will have southwesterly winds this morning. Then once the cold front passes, the winds will switch around to the west and northwest. That will be round two this afternoon. It could be some gusts to 45 mph.
With a strong cold front in our area, we have the potential for some thunderstorms believe it or not. Most of the stronger ones should stay to our south but a few severe thunderstorm warnings have already been posted to our SW and the cells are not weakening yet.
In what will be a very active few hours for the entire western New Jersey area, a Severe Thunderstorm Watch has been issued and valid until 1 am.
The latest radar shows the heavy rains over Harrisburg, PA and heading this way.
The arrival in our area will be from 9 pm in eastern PA to 1 am in eastern sections of New Jersey
Besides heavy rains, there will be strong wind gusts which may cause power outages and other damages
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 691
NWS Storm Prediction Center Norman OK
755 PM EDT Thu Oct 31 2019
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Delaware
Eastern Maryland
New Jersey
Southeast New York
Eastern Pennsylvania
Coastal Waters
* Effective this Thursday night and Friday morning from 755 PM
until 100 AM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Fast-moving/accelerating bands of showers/thunderstorms
will continue to move northeastward across the region this evening.
Winds through a deep layer are very strong and, in spite of weak
instability, will be conducive to strong/near-severe wind gusts
capable of damage. A brief tornado cannot be entirely ruled out.
The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 50 miles north northwest
of Newark NJ to 35 miles southwest of Dover DE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
Stewartsville has a high temperature so far of 89 today. Some sports have already reached 90.
The SPC has placed our area in a marginal risk for severe weather. It should be spotty.
Radar just after 4 pm shows some showers and thundershowers starting to develop in EPA – look for them to continue and expand a bit as they head to the east.
For areas that do receive some rain over the next 24 hours could receive 1/2 to 1″ of rain. It has been dry lately so a little rain would be nice.
If you haven’t stepped outside yet today you’ll notice the return of humid and warm weather. Luckily it’s only for one day. The SPC has placed most of our area (northern sections) in a slight risk of severe weather. If we get any (most will be further north) it should be in the 3-6 pm time frame
As of 11:30 am the threat is to our north but we’ll keep an eye on the situation.
Most of the activity is to our north for now but some are expected to drop down into our area this afternoon.
Unless you get a heavier shower or thundershower, we are only looking for around 1/10″ of rain.
This will be our last day with temperatures in the 80’s (for the season?). Cooler weather with temperatures in the 70’s tomorrow and the rest of the week into the weekend.
The SPC has places all of western New Jersey is a slight risk of severe weather today. The timeframe for the greatest risk is after 4 pm.
Today will feel more humid and uncomfortable than yesterday with highs in the upper 80’s.
Thursday the second of 2 fronts will pass through and will once again give us the chance of more showers and thundershowers in the afternoon and evening.
After that a September preview of weather arrives Friday through the weekend. Comfortable temperatures with low humidity will give us all a late summer treat.
Today marks the third day in a row of our high temperature in Stewartsville reaching 90 or higher. That makes the 4th heatwave of the summer so far.
Today, while hot, was not quite as humid as the day before. Sure it’s humid out but just not quite as uncomfortable as previous days. Perhaps we’re all just getting used to the heat and humidity!
I expect little if any showers or thundershowers the rest of today and tonight.
Tomorrow will be more active as far as showers and thundershowers are concerned. the SPC has placed our entire area in a slight risk for severe weather tomorrow, Wednesday. I expect the most active time frame to be late afternoon into the evening as it looks right now.
While tomorrow will be continued hot, I expect our high temperature to remain just below 90 in the mid to upper 80’s.
Thursday will be a little cooler but the threat of showers and thundershowers remain. Then the payoff awaits as beautiful September-like weather arrives for Friday through the weekend!
Severe weather threat for today has shifted very far to our south. This doesn’t mean we won’t see a thunderstorm or two. It means that the best dynamics to produce severe weather in western New Jersey are no longer forecast to be in our area.
As a result the Flash Flood Watch has been removed for all of western New Jersey. Bucks county in PA is the closest county that still has the Flash Flood Watch. We still have the potential for 1/2″ of rain today and tonight.
One things that has not shifted lower is the humidity. One step outside this morning will remind you it’s still summer. After today’s weather we will see high temperatures in the mid to upper 80’s with a near daily chance of a scattered afternoon summer thundershower. The average high temperature is now 83 so we will be mostly above average this week.
I’m back after taking a much needed week off on vacation. We had some pretty nasty severe weather last week. I hope everyone is making use of the automated weather alerts posted on my site. You need to open them to see the full graphic and information presented.
After a top 5 weather weekend of delightful weather, we return to warmer and more humid weather today and tomorrow. This will lead to a very warm and humid weather day on Tuesday that will generate severe weather and downpours.
As seen on the above severe weather potential map, all of southern NJ is in an enhanced risk area. The SPC doesn’t too often place that risk anywhere near us too often. Even though it’s to the south of western New Jersey, you never know when a stronger storm will develop.
While most of the action will be later Tuesday into Tuesday evening, there could be a few renegade thunderstorms before that time frame tomorrow.
Today looks to be another great day weather wsie with mostly sunny skies and high temperatures in the low to mid 80’s. You will start to notice a return in the humidity as the day wears on.
Keep in mind the Perseids meteor shower peeks tonight. I fear that increasing clouds may prevent viewing at times. Plus we have a near full moon that will make the sky not as dark and make them a little harder to see.
The New Jersey Astronomical Association’s observatory will be open from 8:30 p.m. to 10:30 p.m. on Saturday, Aug. 11. The Paul Robinson Observatory is in Voorhees State Park in Lebanon Township, Hunterdon County
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