NOAA scientists have announced the arrival of El Niño, a climate phenomenon with a significant influence on global weather, ocean conditions and marine fisheries. El Niño, the periodic warming of central and eastern tropical Pacific waters, occurs on average every two to five years and typically lasts about 12 months.
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Rainfall in excess of one inch is likely tonight. It is not out of the question that some areas could get several inches of rain with spotty minor flooding possible. Fourth of July festivities will either be washed out or quite wet.
The Palmer Drought index moved southwest Ohio into the moderate drought category this week, although this is an area-wide average and most of the Cincinnati metro area had good rainfall in the last week. In fact, Anderson Township has had in excess of 6 inches this month and my Cheviot 0.9 SSE location has had 4.17 inches.
http://www.cpc.ncep.noaa.gov/products/analysis_monitoring/regional_monitoring/palmer.gif
