NOAA : 50 days of El Nino this summer or fall . The change would mean warmer weather . California could get a relief from drought . Record - breaking El Nino was 1997 to 1998 .
NOAA : 50 % of El Nino this summer or fall . The pattern would mean warmer atmosphere . California could get a relief from drought . Record-breaking El Nino was 1997 to 1998 .