Nyc flash flood emergency1/21/2024 Candidly, the public already responds to flood warnings differently than hurricanes, blizzards, or tornadoes. To Dave Jones point, the National Weather Service only started using the terminology in 2014. According to the National Weather Service, a flash flood emergency is issued for, “exceedingly rare situations when a severe threat to human life and catastrophic damage from a flash flood is happening or will happen soon.” Earlier this summer, Jonathan Erdman wrote a piece at entitled, “ Why You Should Never Ignore a Flash Flood Emergency Issued by the National Weather Service.” Erdman also lays out the triggering criteria for such a warning. this particular warning for NYC is the second time we've ever issued a Flash Flood Emergency (It's the first one for NYC).” The first Flash Flood Emergency for the area had been issued an hour prior to the Tweet for parts of northeastern New Jersey. This event represented the first time that the National Weather Service - New York City had issued this type of warning. My colleague Dave Jones, founder and president of StormCenter Communications, Inc, raised this very question on social media. I don’t claim to have all of the answers in this discussion, but there are three big messaging challenges that need to be considered. The message called for 3 to 5 inches of rain “with locally higher amounts possible.” That same alert also said, “This rainfall combined with antecedent conditions may lead to flash flooding.” Earlier this week, I even spent the first part of my Satellite Meteorology class at the University of Georgia dissecting the flood potential for the Northeast while Ida was still in the Southeast. The National Weather Service - New York City put out an urgent message on Monday August 30th stating that remnants of Ida would produce heavy rainfall on Wednesday and Thursday. The N ational Weather Service was sounding the alarm days in advance that the remnants of Hurricane Ida was going to be a huge problem for parts of the Northeast, including New York City. From a forecast perspective, the flooding event was spot on.
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