"heavy rainy" is a correct and usable phrase in written English. It is most commonly used to describe very intense rain, such as a downpour. For example: "We had to take shelter because the heavy rainy made it difficult to see.".
Cholera, transmitted through contact with contaminated feces, was made worse this year by an exceptionally heavy rainy season that flooded the sprawling shantytowns in Freetown and Conakry, the capitals of Sierra Leone and neighboring Guinea.
The United Nations Office for the Coordination of Humanitarian Affairs said that Sudan's Health Ministry received an initial shipment of 800,000 doses of vaccine on Friday to battle the outbreak, which began in September after a heavy rainy season created additional breeding sites for disease-carrying mosquitoes.
In 1995 2010 the number of heavy rainy days was considerably higher than could be expected from long-term observations.
Non-Bahraini respondents are more likely to believe that rain and soil (34%) or heavy thunder rains (23.4%) are the main factors responsible in truffle development, while Bahrainis perceive that an early heavy rainy season (57.8%) or soil type coupled with heavy rains (26.5%) are the most important reasons in truffle formation.
The slow north-south migration of the ITCZ results in a longer, heavier rainy season in the southern part of the country.
What you see is not obviously different from what a Spanish conquistador passing this way in the 16th century might have seen — a long view across a rolling valley, usually dun-colored but now, in September, turned green by the heaviest rainy season in years, to the Whetstone Mountains shimmering at a distance.
In the Philippines, children spoke of heavier rainy periods and in Vanuatu, children reported increased water contamination from saltwater intrusion.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK