NHC CHANGES POLICY OF WARNINGS IN WAKE OF SANDY

2012-12-05_214521ON OCTOBER 29, I RECEIVED THIS QUESTION FROM JAY:
“Why hasn’t the NHC issued hurricane warnings? I see t.s. warnings for NC and Bermuda, but VA, DC, MD, DE, NJ etc do not have hurricane warnings… I’m wondering why this is?”

CHECKING WITH THE NHC POLICY, I REPLIED,
“This is a unique case of a hurricane transforming into a non-tropical storm before reaching the U.S. coast north of North Carolina. The National Weather Service has issued storm warnings, such as used for winter storms, for those areas being affected by this post-tropical storm SANDY.”

THE NHC POLICY HAS NOW BEEN CHANGED. Beginning with the 2013 Hurricane season, Hurricane warnings will also pertain to sub-tropical or post-tropical cyclones.

Chris Landsea, Science Operations Officer at the National Hurricane Center, told AccuWeather.com. “The main issue is: we want people to get ready for hurricane conditions, and that’s why we are changing the definition of hurricane warning to be a little more inclusive of other things than just a hurricane.”

This was neccessary after the NHC, following correct procedure, failed to issue hurricane warnings north of North Carolina as Hurricane Sandy approached the northeast. Sandy was a transitioning storm from a warm core to a cold core system and therefore did not meet the text book criteria of what a hurricane is; hence the absence of a hurricane warning.

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