Mid-Atlantic Severe Weather Authority

Mid-Atlantic Severe Weather Authority Mid-Atlantic Weather Authority is a company founded by Scott Cheatham & is dedicated to providing highly accurate forecasts and up-to-date weather alerts.
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M.A.S.W.A. (Mid-Atlantic Severe Weather Authority) is a forecasting non-profit company that is dedicated to providing extremely accurate weather forecasts to people within the Mid-Atlantic region. We pride ourselves in maintaining a 95-98% accuracy rating! Follow us and see for yourself the difference in our accuracy verses the rest of the industry.

04/23/2020

Some winters mix this morning in northern/northeastern PA.

-Scott

04/16/2020

Is everyone enjoying the snow showers, sleet and other winter mixes after we were just wearing shorts and tank-tops?? 🙄🤦🏻‍♂️❄️☃️🌬💧❄️

04/14/2020
Per the NWS (National Weather Service) for Fountain Hill, Bethlehem, PA and much of the LV (+/- 2-4* on any given Hi/Lo)...
04/10/2020

Per the NWS (National Weather Service) for Fountain Hill, Bethlehem, PA and much of the LV (+/- 2-4* on any given Hi/Lo) around the Valley.

-Scott

Tree and power line damage in Berks....and it’s only going to get worse as the winds increase now that the cold front ha...
04/09/2020

Tree and power line damage in Berks.

...and it’s only going to get worse as the winds increase now that the cold front has passed!

(Images from WFMZ.)

-Scott

⚠️⚠️The National Weather Service in Mount Holly NJ has issued a* Severe Thunderstorm Warning for...  Southeastern Berks ...
04/09/2020

⚠️⚠️

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
Southeastern Berks County in eastern Pennsylvania...
South central Lehigh County in eastern Pennsylvania...
Montgomery County in southeastern Pennsylvania...
Northwestern Bucks County in southeastern Pennsylvania...
Chester County in southeastern Pennsylvania...

* Until 115 PM EDT.

* At 1222 PM EDT, severe thunderstorms were located along a line
extending from Laureldale to near Adamstown to near Strasburg,
moving east at 55 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is
possible.

* Locations impacted include...
Reading, West Chester, Norristown, Pottstown, Phoenixville,
Lansdale, West Norriton, East Norriton, Coatesville, Wyomissing,
Quakertown, Perkasie, Downingtown, Souderton, Bedminster,
Birdsboro, Collegeville, Royersford, Fleetwood and Chalfont.

This includes the following highways...
Pennsylvania Turnpike between exits 298 and 326.
Northeast Extension between exits A31 and A44.
Interstate 176 in Pennsylvania between mile markers 1 and 11.
Interstate 76 in Pennsylvania near mile marker 327.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.

04/08/2020

SEVERE THUNDERSTORMS - PA, MD, VA

04/08/2020

Lehigh Valley - HEAVY RAIN & lightning!

Some thunderstorms possible today with unseasonably warm weather!On the down-side of things...we are one step closer to ...
03/20/2020
Gov. Wolf orders all 'non-life-sustaining' businesses to close

Some thunderstorms possible today with unseasonably warm weather!

On the down-side of things...we are one step closer to potential “Mandatory Curfews” or “Martial Law”... a trend that is happening in numerous states across the country. National Guard units are already being mobilized and activated for possible domestic deployment to prevent rioting and looting during these stressful and trying times.

...please stay safe everyone! 🙏🏼💛

https://www.wfmz.com/health/coronavirus/wolf-orders-non-life-sustaining-businesses-to-close/article_68d9b5f6-6a24-11ea-9799-f7e712b56fc4.html

Enforcement actions against businesses that do not close physical locations will begin at 12:01 a.m. Saturday, March 21.

03/04/2020

⚠️SEVERE THUNDERSTORM WARNING⚠️

- Lehigh Valley, PA -

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
North central New Castle County in northern Delaware...
Eastern Berks County in eastern Pennsylvania...
Lehigh County in eastern Pennsylvania...
Montgomery County in southeastern Pennsylvania...
Southeastern Carbon County in northeastern Pennsylvania...
Bucks County in southeastern Pennsylvania...
Chester County in southeastern Pennsylvania...
South central Monroe County in northeastern Pennsylvania...
Northwestern Delaware County in southeastern Pennsylvania...
Northampton County in eastern Pennsylvania...

* Until 930 PM EST.

* At 838 PM EST, severe thunderstorms were located along a line
extending from near Schnecksville to near Elverson to Quarryville,
moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is
possible.

* Locations impacted include...
Allentown, Easton, West Chester, Bethlehem, Norristown, Pottstown,
Phoenixville, Lansdale, West Norriton, Forks, East Norriton,
Coatesville, Emmaus, Westtown, Northampton, Quakertown, Perkasie,
Doylestown, Byram and Wilson.

This includes the following highways...
Interstate 78 in Pennsylvania between mile markers 43 and 76.
Interstate 476 in Pennsylvania between mile markers 10 and 19.
Pennsylvania Turnpike between exits 298 and 343.
Northeast Extension between exits A20 and A56.
Interstate 76 in Pennsylvania between mile markers 327 and 335.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

02/29/2020

⚠️ SNOW SQUALL WARNING NORTHAMPTON, PA

Be careful if you were driving in the facility as short white out conditions could apply!

-Scott

02/16/2020

⭐️💥🔥⭐️💥🔥⭐️💥🔥

A “POTENTIAL”, Once-In-A-Lifetime Galactic Event “MIGHT happen”...soon! Or, “so they say”... 🤔🤔

Betelgeuse, a Red Supergiant Star (so large, it would swollow every planet including Jupiter if it were placed where our sun is today!) that‘s approximately 642 light years away from Earth...possibly, might have gone SUPER NOVA...and we are about to witness it “LIVE, in our own sky!” (Though, it COULD be just fluctuations within the star itself and the watch, could be [and my guess...will be] called off!)

Here is the current article to which I am referencing (there are multiple articles about this same story, make sure you filter out the media hype ones if you go looking!):

***
Scientists are warning that a supergiant star close to planet Earth appears to be on the brink of explosion, according to The Tech Times. The supergiant, named Betelgeuse, has been getting dimmer and dimmer over the past few months, sparking concerns about its demise.

Over the past few days, however, the star has been beginning to change shape, suggesting that a supernova might be happening soon. In fact, the date estimated by scientists is currently February 21.

At 642 light years away, Betelgeuse is relatively close to Earth in astronomical terms. It is also both massively larger than both Earth and the sun, clocking in at 20 times the mass and hundreds of times the radius of the latter. It is best known as being part of the star constellation Orion the Hunter.

Though star explosions are massive events, the star is fortunately still far enough from Earth that it will not cause any harm to the planet. That said, its effects will be felt in our solar system, as the explosion will create an incredibly bright star-like light in the sky in addition to a shadow that will make the skies darker for months.

“When this star detonates, the explosion will be bright enough to cast shadows on Earth at night and will be visible during the day for a few months, at least. Then, the star will fade from our sky,” National Geographic explained.

That said, though some scientists insist that the explosion will be a supernova, a majority believe that the strange behavior of the supergiant is just part of its lifespan and that it will not explode for another 100,000 years.

“This whole episode might just be a deeper-than-average pulsation, and perhaps the supernova watch can be called off,” scientist Tony Phillips of Space Weather noted, via CNET.

However, astronomer Andy Briggs said that since little is truly known about supernovae, it is possible, even if not likely, that an explosion could still occur.

“It must be said, however, that predicting supernovae is very much an inexact science, so there is still a possibility, however remote, that Betelgeuse’s fiery end could indeed happen tomorrow,” he wrote.

The odd behavior of Betelgeuse comes after another star had been grabbing scientists’ attentions. As was previously reported by The Inquisitr, a neutron star in a system with a white dwarf has literally been dragging spacetime around itself thanks to its incredible density and spinning speed of 150 times per minute. It is the first ever documented case of the phenomenon — called “frame dragging” — and proves correct an essential aspect of Einstein’s general theory of relativity.
***

So...don’t go reserving a large exotic rooftop party in anticipation for the event just yet! It’s more than likely, it will just be part of its downward/end-date life cycle. The star is roughly 9-10 Million years old and is getting VERY close to the end of its life in astronomical terms. In comparison to our own star, the Sun; at ~4.5 to ~4.6 Billion years old and its only roughly 1/2 way through its lifespan.

So in closing, don’t get too excited… Just yet.🤓😉

✅ Extra Information: Betelgeuse has “burnt” up (fused into Helium) all of its Hydrogen fuel. It’s large enough, that it has roughly 1-million years worth of Helium on board. As it fuses Helium into Carbon (which it’s nearing the end of this life cycle currently & could also be in or near the end of the next phase too)...after that Phase; Carbon fuses into Neon, which will last about 1,000 years! The next Phase: Neon fusing into Silicon...that will take about 1 year! The FINAL PHASE: Fusing Silicon into Iron...1-Day! A giant ball of incredibly dense iron forms at the center of the star. It will be roughly about 1,000 miles across and EXTREMELY HOT, nearing 1,000,000,000°F (1B Degrees)! The edges of the iron sphere, collapse and trillions of tons of iron crush inwards with immense gravitational forces aiding an ever increasing collapse at near the speed of light! A Trillion, Trillion, Trillion tons of gas collapse inwards following the Iron Core collapse! Creating the Super Nova!

⚡️⚡️⛈⛈NUMEROUS SEVERE THUNDERSTORM WARNINGS ACROSS PA, DE, MD & VA!Use extreme caution if traveling near these storms!60...
02/07/2020

⚡️⚡️⛈⛈
NUMEROUS SEVERE THUNDERSTORM WARNINGS ACROSS PA, DE, MD & VA!

Use extreme caution if traveling near these storms!

60+ MPH winds and penny sized hail possible! (Radar Indicated)

-Scott

02/07/2020

⚡️⛈ SEVERE THUNDERSTORM WARNING

Lancaster & Montgomery Counties!

-Scott

Potential wintery mix coming tonight into Wednesday morning for northern & northeastern PA.Shouldn’t be anything signifi...
02/04/2020

Potential wintery mix coming tonight into Wednesday morning for northern & northeastern PA.

Shouldn’t be anything significant due to the very warm temps lately, but it could make late night or early morning travel hazardous, so use caution!

-Scott

02/02/2020

Some showers and snow showers teasing us before warmer weather approaches.

-Scott

The January 28, 2020, M 7.7 earthquake in the Caribbean Sea to the south of Cuba and northwest of Jamaica occurred as th...
01/28/2020

The January 28, 2020, M 7.7 earthquake in the Caribbean Sea to the south of Cuba and northwest of Jamaica occurred as the result of strike-slip faulting on the plate boundary between the North America and Caribbean tectonic plates. Preliminary focal mechanism solutions for the earthquake indicate slip occurred as the result of left-lateral motion on a steep fault striking towards the east-northeast, or as the result of right-lateral motion on a steep fault striking towards the south-southeast. The fault plane striking approximately east-west is consistent with the orientation of the regional plate boundary; this transform structure is named the Oriente Fault. At the location of this earthquake, the North America plate moves to the west-southwest with respect to the Caribbean plate at a rate of approximately 19 mm/yr.

While commonly plotted as points on maps, earthquakes of this size are more appropriately described as slip over a larger fault area. Strike-slip-faulting events of the size of the January 28, 2020, earthquake are typically about 170x25 km (length x width).

Five other earthquakes of M 6 or larger have occurred within 400 km of the January 28, 2020 event over the preceding century. These include a M 6.8 earthquake in December 2004, 280 km to the west of today’s earthquake, and a M 6.2 event in May 1992, almost 100 km to the east of today’s quake. Likely because of their location away from land and major population centers, none of these earthquakes are known to have resulted in shaking-related damage or fatalities.

01/27/2020

Those of y’all that wanted the system to miss us...got your wish! However, you cursed Nova Scotia! 😋

The Feb 1-2 system will stay mainly off shore, but looks to clobber Nova Scotia with some brutally heavy snowfall.

The weather looks to stay relatively “calm” for the near future...”for now anyway.” 😉

-Scott

01/25/2020

Here is a trend gif of the last 10 model runs. This shows how the models are not nailing down the Feb 1st & 2nd potential storm system. The "potential" for a possible moderate to strong Nor'easter for next Saturday can't be rulled out just yet. The last model (current model as of this posting) is the one where the primary LP (Low Pressure) is mear Ohio and its virtually an all rain event. Though, if you notice...other model runs show the potential for a strong Nor'easter system...so, I will monitor closely! There is a lot of uncertainty in the model data right now...however...what I AM seeing, is that numerous potential Nor'easter systems are going to start showing up within the first 2 weeks or so of Feb.

Now, whether they will actually evolve into actual systems...that is to be seen. It will also depend on how the temperatures trend as well and overall tracking of these potential systems.

As always, I will continue to monitor and update as I see the need...

-Scott

01/22/2020

I am watching a potential Nor’easter for next Saturday, Feb. 1st.

Now, that’s roughly 220 hours out...so a LOT can change in the forecast models.

However, “IF” it stays together “AND” shifts (the primary Low Pressure) just off the coast of New Jersey...it could end up producing substantial snow for the Lehigh Valley region through mid/western PA.

Remember...this is a monumental...”IF”.

-Scott

01/18/2020
01/17/2020

Well Pennsylvania...it’s coming...❄️❄️❄️!

Starting mid-day to early afternoon on Saturday for us in the Lehigh Valley, early Saturday for those on the western side of PA.

Expect 2-5” in the Lehigh Valley.
Expect 3-6” for Central & Western PA above the I-80 line.
Expect Coating to 3” south of the I-80 line.

Some mountainous areas could potentially see an (isolated) additional 1-3” due to higher elevations and lower temperatures.

The Lehigh Valley could see a mixed bag during the daylight hours of Saturday. Expect possible Snow, Sleet and maybe some rain... freezing rain as darkness falls is possible...(especially as it gets dark and temps drop back to below freezing).

-Scott

01/16/2020

❄️☃️🌨 ...on the way?? 🌨☃️❄️

Currently, as the model data sits now...much of PA could potentially see between 2-6” of snow through Saturday into Sunday morning.

I’ll know more as we get closer.

❗️Remember, this is only “as the models sit now; as of 9:45am on 1-16-20” and is not a forecast release.

-Scott

01/14/2020

I am tracking and keeping an eye on a potential decent snow system slated for the weekend. Main snowfall potential will be Saturday & Saturday night.

I will continue to monitor it as we progress closer.

-Scott

01/09/2020

Good morning everyone. At a brisk 19°F this morning it does not feel like this weekend will be in the low 60s, but a warm-up is on the way. This will also bring some rain and fog during the early morning hours of Saturday & Sunday, so, be careful if you are traveling.

-Scott

Snow Squall Warning for Northampton County❗️❗️PRECAUTIONARY/PREPAREDNESS ACTIONS...❗️❗️❗️Consider avoiding or delaying t...
01/08/2020
Snow Squall Warning

Snow Squall Warning for Northampton County

❗️❗️PRECAUTIONARY/PREPAREDNESS ACTIONS...❗️❗️

❗️Consider avoiding or delaying travel until the snow squall passes your location. If you must travel, use extra caution and allow extra time. Rapid changes in visibility and slick road conditions may lead to accidents.

❗️There is no safe place on a highway when a snow squall hits. Visibility and traction are immediately lost in whiteout conditions, making it difficult or impossible to slow down and avoid stopped vehicles. Delay travel or safely exit the highway before the snow squall arrives.

https://wx.doapps.com/alerts/https%3A%2F%2Falerts.weather.gov%2Fcap%2Fwwacapget.php%3Fx%3DPA125F3444EAE4.SnowSquallWarning.125F34450A88PA.PHISQWPHI.021530528c46b960b1b919aa8b5e53e0
(Via 69News Traffic)

01/08/2020

❗️❗️SNOW SQUALL WARNINGS are out across north-central and south-central PA moving eastward!

Please use EXTREME CAUTION if you must travel in these areas! Total whiteout condition may happen in a matter of seconds! Travel at appropriate speeds and pull off to the side of the road early on if whiteout conditions are spotted ahead of you! Do NOT allow yourself to become a victim/fatality of whiteout conditions!

❗️❗️PRECAUTIONARY/PREPAREDNESS ACTIONS...❗️❗️

❗️Consider avoiding or delaying travel until the snow squall passes your location. If you must travel, use extra caution and allow extra time. Rapid changes in visibility and slick road conditions may lead to accidents.

❗️There is no safe place on a highway when a snow squall hits. Visibility and traction are immediately lost in whiteout conditions, making it difficult or impossible to slow down and avoid stopped vehicles. Delay travel or safely exit the highway before the snow squall arrives.

- Scott

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M.A.S.W.A. (Mid-Atlantic Severe Weather Authority) is a forecasting non-profit company that is dedicated to providing extremely accurate weather forecasts to people within the Mid-Atlantic region. We pride ourselves in maintaining a 90-95+% accuracy rating! Follow us and see for yourself, the difference in our accuracy verses the rest of the industry.

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Comments

About to hit Northampton any minute!
All along the blue mountain. North of Northampton. My camera showing it too light. Thes clouds are DARK EVIL wicked lightning. And moving slow. Right now no wind or rain in town yet.
Saturday July 6th 7pm. Borough of Northampton Behind roxie theater. facing North
I don't work in your area anymore. But thought I'd share a screen shot from my phone radar of the Damaging hail Storm Macungie had 2 weeks ago.
please say no nor’easter for this week 😩
So what kind of storm updates with predicted inches do you have? your last update was 9:05 pm on jan 3 2018