FLASH FLOOD WARNING FOR. HUDSON COUNTY IN N.E. NEW JERSEY S.W. NEW YORK COUNTY IN S.E. NEW YORK N. KINGS COUNTY IN S.E. NEW YORK S. QUEENS COUNTY IN S.E. NEW YORK UNTIL 845 PM : AT 740 PM. NWS RADAR INDICATED VERY HVY RAIN NR HOBOKEN. MOVING E. AT 20.