High-resolution guidance suggesting remnants of #Nicholas will likely bring 4-10"+ of unneeded rainfall over New Orleans metro area next two days (still reeling from #Ida). Only 2-3" of rain in three hours would be enough to cause flash flooding in much of southern Louisiana pic.twitter.com/fEA79a5Kw6

— Yaakov Cantor (@yconsor) September 14, 2021