During influxes of monsoonal moisture in the summer, thunderstorms sometimes occur. Thereafter, the city grew rapidly with influxes of Americans, French, Creoles and Africans. Development of segregated residential neighborhoods was associated with massive influxes of European immigrants and African-Americans. A consequence of sudden influxes in groundwater recharge includes flash flooding. There were influxes of White immigrants from the 1940s through to the early-1970s. After Columbus, influxes of Europeans soon followed and overwhelmed the native population. Na influxes during the depolarization phase and K effluxes for the repolarization phase. Uncommon influxes of warm water northward may bring it as far as San Francisco Bay. Later Chinese Muslim influxes occurred following episodes of unrest on the mainland. Humboldt Park began to see larger influxes of Puerto Ricans as the 1960s ended. Notable examples include influxes of patients with SARS. Subsequently, the Pygmy gene pool was not enriched by external gene influxes. The geographic origins of Hispanic and Latinx influxes of immigration have changed through the years. Additional population influxes into the area at this time included European Jews and Belarusians. The triggers to these Ca influxes may differ.