Sneeze Meter: Prepare for a ragweed allergy onslaught

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Based on allergist Donald Dvorin’s historical data, ragweed pollen can be expected to flood the air in the Delaware Valley in the next... Read more

Severe-storm watch for entire region until 11 p.m.

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On Day 7 of the season's most-oppressive heat wave, at 3 p.m. Tuesday the heat index in Philadelphia hit 100. But based on the outlooks it... Read more

Hurricanes: Fiona brewing?

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During a hurricane season that was off to a particularly quiet start, Bill Gray, the late hurricane-forecasting legend, said that he used to... Read more

Dolphins aside, ocean temperatures take plunge

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Our item about dolphin sightings at the Jersey Shore provided further evidence that waters just offshore have been quite warm. Recall that... Read more

Heat, humidity, and a 100 percent chance of ragweed

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The ragweed season has quietly begun in the Philadelphia region, with the pollen grains making their first appearances in the Asthma Center’s... Read more

Meteor watching? Spoiler alert

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Meteor showers can be celestial magic, and what are typically the most-active showers of the year, the Perseids, are about to peak. Unfortunately... Read more

Full-steam ahead: Records could fall this week

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On the first day on what is expected to be a five-day heat wave, the official temperature in Philadelphia hit 90 for the 26th time this season;... Read more

Philly stronger than the heat? Few heat deaths so far

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The summer of 2016 has been a puzzling one in Philadelphia, but in quite a positive sense. Yet another heat wave is brewing, and the National... Read more