Environment & Science

Lehigh Valley Breathes aims to monitor air quality amid emissions from trucking and warehousing. Here's the February update.

With spring still weeks away, state forest officials are gearing up for this year’s spongy moth hatch. Here's what Lehigh Valley residents need to know.

While many customers are waiting for their power to be restored after the wind storm in the Lehigh Valley, estimated repair times are putting some areas on a longer waitlist. Check out the logic behind those estimates and what they really mean.

An "all-day rain type of event" Saturday will serve as an advertisement for the Lehigh Valley's weather in the long-term. The front half of March in a word is "wet."

A half-dozen city leaders and environmental advocates highlighted the economic, environmental and public health benefits the implementation of clean truck standards could reap across the Valley.

PPL said Wednesday it has hundreds of workers “ready to work around the clock to help get customers back online as safely and efficiently as we can." There were thousands in the dark early Thursday.

The chemical odor at Sharp Packaging Solutions that sent 54 employees to the hospital on Friday remains a mystery.

A wind advisory is in effect from 4 p.m. Wednesday until 4 a.m. Thursday, with northwest winds 20 to 30 mph and gusts of 40 to 50 mph expected. PPL said its ready to respond.

It's going to be a wild and windy few days for the Lehigh Valley and the rest of the Mid-Atlantic region, forecasters say, with temperatures set to soar before a strong cold front arrives.

Brad Klein reviews the week’s astronomical highlights with Bethlehem’s "Backyard Astronomy Guy," Marty McGuire.

The National Weather Service's storm prediction center shows the Lehigh Valley falling in line with forecasts of high winds, potential hail and some severe thunderstorms Sunday evening.

That clash of fantasy and education worlds comes to Ag Hall at Allentown Fairgrounds July 5-7, when Jurassic Quest, which bills itself as North America’s most popular interactive dinosaur event, returns to Allentown.

Days after ferocious storms barreled through the region, ripping down trees and power lines, the Lehigh Valley could be at risk of additional rounds of severe weather this weekend.

Thousands of customers are still left without power following a series of storms that hit the Lehigh Valley. High winds yielded downed wires and tree limbs across homes and roadways throughout the area.

Downed trees and power outages were the result of a powerful storm that pounded the Lehigh Valley on Wednesday night.

In an update Thursday morning, PPL said crews saw significant damage from downed trees and limbs that caused more than 1,000 individual damage locations. Since the storm, it has restored power for more than 85,000 customers.

A severe thunderstorm brought wind gusts approaching 60 mph, heavy rain and hail to Lehigh and Northampton counties early Wednesday night. Utility companies reported thousands in the dark.

Another day of sweltering temperatures will transition to a night of severe weather across the region, and concern has shifted to timing on when storms are expected to fire.

Near unrelenting heat has become a reality in the Lehigh Valley to kick off summer, putting the area at risk for rapid onset drought — a term that’s part of a new outlook issued by the Climate Prediction Center.

Another surge of heat and humidity is on the way for the Lehigh Valley, with the possibility that severe storms could rattle the region on Wednesday afternoon and evening.

Venus, the planet: Morning star, evening star, or just being itself?

The severe thunderstorm watch comes amid a heat wave that looks to break Monday as a cooler air mass mercifully moves into the region Sunday night.