![]() PDS watches are quite uncommon less than 3% of watches issued by the SPC from 1996 to 2005 were PDS watches, or an average of 24 each year. It is issued at the discretion of the forecaster composing the watch or warning and implies that there is an enhanced risk of very severe and life-threatening weather, usually a major tornado outbreak or a long-lived, extreme derecho event, but possibly another weather hazard such as an exceptional flash flood or wildfire. Stay informed and stay safe.A particularly dangerous situation ( PDS) tag is enhanced wording first used by the Storm Prediction Center (SPC), a national guidance center of the United States National Weather Service, for tornado watches and eventually expanded to use for other severe weather watches and warnings by local NWS forecast offices. Our team of meteorologists are working around the clock to update you here, on stream, on-air and on our Twitter, Instagram and Facebook pages at CBS Philadelphia. It's looking to be a cloudy Friday with temperatures around 60 degrees for the first pitch at 3:05 p.m. Temperatures will drop into the 40s as the storms move out.įriday will be dry and much cooler, and we're not expecting significant weather impacts to the Phillies' home opener (now that it's been moved from today). We're more concerned about straight-line winds. ![]() While the tornado threat is low, it's not zero, and after what we went through last weekend, we'll make sure to be on alert if any rotation is seen. ![]() Gusts in excess of 60 mph can down trees and powerlines. Since this is a fast-moving system, damaging winds will be the most likely form of severe weather we'll see. The strongest storms will move across South Jersey and Delaware. ![]()
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