Environment & Science

Tuesday's fast-moving storm swept quickly through the Lehigh Valley but packed a wallop, bringing nearly a foot of snow to several spots.

“This has been a tremendously difficult storm to forecast due to rapidly changing conditions/temperatures expected and the difference in timing,” the National Weather Service said in its forecast discussion.

PPL Electric Utilities and Met-Ed reported more than 13,000 customers without power Tuesday morning as a winter storm swept through the region.

Several Lehigh Valley schools are closing Tuesday because of the weather forecast.

Early Monday, the National Weather Service issued a winter storm warning in effect for the Lehigh Valley for 7 to 10 inches of snow, with locally higher amounts over the higher elevations.

One area of potential concern at the Allentown State Hospital had been the presence of dioxins in the soil. Dioxins are a group of toxic chemical compounds that take a long time to break down in the environment, and can cause health problems in people.

Betelgeuse is the red supergiant star at Orion’s ‘right shoulder.’

Lehigh and Northampton counties are under a winter storm watch in effect from 12 a.m. to 6 p.m. Tuesday, with 4 to 8 inches of heavy, wet snow possible.

Take a look at stories that ran throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

It’s a special year for cicadas, insects known for their high-pitched mating songs. Two adjacent broods are expected to co-emerge for the first time in 221 years. Here's the next time they emerge in the Valley.

The Lehigh Valley is about to experience “a decidedly early November-like day,” according to the National Weather Service. A frost advisory has been issued from midnight to 9 a.m. Friday.

Hurricane Milton is expected to heavily disrupt air travel, including flights from Lehigh Valley International Airport to numerous destinations in Florida.

Da Vinci Science Center's newest exhibit, “Sharks,” will open Oct. 12. The display, organized by the American Museum of Natural History in New York, will offer "an up-close and personal look at one of the ocean’s most fascinating creatures — offering a jaw-dropping experience for visitors of all ages."

Short-term outlooks suggest a cold front will make steady progress across the area Monday, with a reinforcing cold front to follow later this week. It could push overnight temperatures into the 30s for the first time since late April.

Ian Fetterman, of Palmer Township, has taken his passion for Halloween and combined it with his artistic talents, carving out his own niche. Now, Ian’s Pumpkin Carvings has customers all over the U.S.

This week, our inner solar system has a visitor. It’s been visible through telescopes since its discovery last year by observers in China and South Africa.

Three proposed warehouse projects are on hold in Lowhill Township, the board of supervisors said at a meeting on Tuesday night. Two of the projects are in litigation; the third will be discussed at a hearing before the supervisors in November.

The regional wastewater plan is still underway in Lehigh County, as the sewer authority deals with aging infrastructure. Five open houses have been scheduled to collect residents' feedback.

After Hurricane Helene wreaked havoc in the south leaving many without power, PPL Electric Utilities announced linemen have taken to the South to assist with restoration efforts.

As special operations team coordinator for Lehigh County, Kevin Krotzer served as the lead instructor Tuesday for “Water Rescue for the First Responder,” an awareness-level program developed and certified through the Pennsylvania Fish and Boat Commission.

Local Red Cross volunteers are in Florida helping with Hurricane Helene relief efforts. The Lehigh Valley chapter's executive director says this one is different than other storm system cleanups he's witnessed.

As of Monday afternoon, mile markers 94.2-97.13 of the D&L Trail in East Penn Township remain closed because of a sinkhole.