Environment & Science

An Allentown homeowner caught on video the moment an EF-1 tornado touched down in the city’s Midway Manor neighborhood on Monday night.

As cleanup continues from Monday’s severe weather, the Lehigh Valley will see a period of rain Thursday that could bring localized flooding to some areas.

The National Weather Service determined damages during a severe thunderstorm Monday night were from straight-line winds as high as 100 mph, but no tornadoes touched down there.

The National Weather Service rated the tornado as an EF-1 — the second-weakest on the scale. It hit the Midway Manor neighborhood of Allentown and crossed into Bethlehem briefly, according to a weather service statement.

A National Weather Service survey team confirmed a tornado touched down in Allentown’s Midway Manor neighborhood Monday night on the east side, but the twister was unwarned.

Starting at 9 a.m., officials from Princeton Hydro, a New Jersey-based engineering consultant, will treat the lake’s shoreline via airboat to tamp down invasive Phragmites, a genus of four species of large perennial reed grasses.

The ordinance adjustments approved Monday night would align the township with the state model for stormwater management guidance.

Neighbors in the Midway Manor neighborhood of Allentown reported seeing a twister as the storm tore through the city's East Side on Monday night. There were no reports of serious injuries, but property damage was extensive.

A severe storm knocked out power to thousands in Lehigh County and sent Musikfest revelers searching for cover Monday night. As of 6 a.m. Tuesday, 16,000 customers have lost power.

The National Weather Service has issued a tornado watch for the Lehigh Valley and much of the Mid-Atlantic region.

Letters of application for renewals of existing wastewater treatment plants and related discharges at Lehigh Township Municipal Authority-Pennsville and Lehigh Carbon Community College were approved by the LVPC Environment Committee on Tuesday morning.

The wind chill was minus 11 on Tuesday morning, and a cold weather advisory remains in effect in the Lehigh Valley until Wednesday. With those temperatures, we're more like Buffalo and colder than parts of Siberia.

The National Weather Service has issued a cold weather advisory for the Lehigh Valley and other parts of eastern Pennsylvania through noon Wednesday, with wind chills dropping to as low as 13 degrees below zero.

This week, WLVR's Brad Klein explore the prominent winter constellation Orion wit Marty McGuire, offering insights on its star patterns. Klein prefers to reimagine it as Orion the Dogwalker alongside the bright star Sirius.

While the snow took a few hours to start piling up, by mid-afternoon it was falling at rates of two inches per hour in some parts of the Lehigh Valley. Dangerous cold will follow the snow, forecasters say.

Following a Winter Storm Warning, The National Weather Service at Mount Holly, New Jersey has now issued a cold weather advisory for the Lehigh Valley and surrounding areas, warning of "dangerously cold" temperatures this week.

The U.S. Fish and Wildlife Service is considering the eastern hellbender for protections under the federal Endangered Species Act. Find out why habitat loss and the pet trade are contributing to population declines.

A new bridge in Lower Saucon Township allows pedestrians to navigate from Hellertown to Quakertown uninterrupted. A grand opening ceremony was held Saturday.

If predictions stay true, the Lehigh Valley would be on the higher end of the 4- to 7-inch range of snowfall. PennDOT and the PA Turnpike Commission have set vehicle and road restrictions.

Depending on how the system evolves, a robust and plowable storm seems like the more likely scenario for the region, with the timing on potential snowfall beginning to lock in for Sunday afternoon.

Confidence has increased for a clipper system to bring light snow to the region on Thursday, with potential for additional accumulation Sunday into Monday. The coldest air mass of the season arrives behind it, forecasters say.

Allentown's EAC accomplished a lot in the past year, including successfully lobbying for two pieces of legislation and supporting a sustainability coordinator for the second year.