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Flash Flooding at the New Museum, Legionnaires Outbreak in NYC Continues, and More: Morning Links for July 20, 2026

Flash Flooding at the New Museum, Legionnaires Outbreak in NYC Continues, and More: Morning Links for July 20, 2026

A third person has died in New York City's Legionnaires' disease outbreak.
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Severe Storms Threaten NYC with Tornado and Flash Flood Risks

Severe Storms Threaten NYC with Tornado and Flash Flood Risks

The New York City area is bracing for another round of severe weather on Tuesday, following a recent storm that caused significant flash flooding and tornado alerts across the tri-state region. The upcoming storm system is expected to bring similar threats, including flash flooding, isolated tornadoes, damaging winds, and hail. Rainfall rates could reach 1 to 2 inches per hour, with total accumulations of 1 to 2 inches, and potentially higher amounts in localized areas. The storms are anticipated to move faster than the previous system, which may help mitigate the flooding risk. Showers and thunderstorms are likely to persist until Wednesday, gradually decreasing from west to east. Despite a reduction in severe weather ingredients, strong wind gusts remain a concern.
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Leaks Spotted in New Museum Gallery with WangShui Work as NYC Braces for Floods

Leaks Spotted in New Museum Gallery with WangShui Work as NYC Braces for Floods

A spokesperson for the New Museum said that, “As soon as this leak was discovered, immediate steps were taken to address it and no artwork was harmed."
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Flash Flooding and Severe Storms Disrupt New York City Amid Heat and Smoke

Flash Flooding and Severe Storms Disrupt New York City Amid Heat and Smoke

New York City experienced severe thunderstorms and flash flooding following days of smoky skies and high temperatures. The storms brought heavy rain, with two to four inches falling by early afternoon, and caused significant disruptions, including flight delays and cancellations at major airports. The National Weather Service issued a flood watch and warned of life-threatening flash flooding. The severe weather follows a period of poor air quality due to smoke from Canadian wildfires, compounding the challenges faced by residents.
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NYC Streets Flooded After Heavy Rain

NYC Streets Flooded After Heavy Rain

Heavy rainfall in New York City has led to significant flooding across various streets, causing disruptions to daily life. The flooding has impacted transportation and created hazardous conditions for residents and commuters. The rainfall, which occurred on July 19, 2026, overwhelmed the city's drainage systems, leading to water accumulation in several areas. Emergency services have been deployed to assist with the situation, and residents are advised to avoid flooded areas for their safety.
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New York City Faces Increasing Cloudburst Events, Infrastructure Strained

New York City Faces Increasing Cloudburst Events, Infrastructure Strained

New York City is experiencing a rise in extreme precipitation events known as cloudbursts, which are overwhelming the city's storm-and-sewer systems. These events, characterized by intense rainfall over short periods, have become more frequent due to a warmer atmosphere holding more water. The city's infrastructure, designed for a different climate, struggles to manage these deluges, leading to flash floods and significant damage. Recent incidents, including a catastrophic event in October 2025, have prompted the city to explore 'sponge city' interventions to better manage stormwater and enhance urban resilience.
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Flash Floods and Tornado Warnings Hit NYC Metro Area Amid Severe Storms

Flash Floods and Tornado Warnings Hit NYC Metro Area Amid Severe Storms

The New York City metro area is facing severe weather conditions, with flash flood warnings and tornado watches in effect. The National Weather Service has rated the severe weather risk at level 3 out of 5, indicating a significant threat of flash floods and tornadoes. Heavy rainfall, with rates exceeding 2 inches per hour, is expected to cause flooding, particularly in low-lying and coastal areas. The storms are also expected to clear the region of Canadian wildfire smoke, which has affected air quality in recent days. The severe weather is part of a larger storm system impacting the northeastern United States.
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Severe Storms Bring Tornado and Flash Flood Threat to NYC Area Tuesday

Severe Storms Bring Tornado and Flash Flood Threat to NYC Area Tuesday

The tri-state area, including New York City, is bracing for another round of severe weather on Tuesday, July 21, 2026, following a powerful storm system that caused flash flooding and tornado alerts over the weekend. The upcoming system is expected to bring threats of flash flooding, isolated tornadoes, damaging wind gusts, and hail. Rainfall rates could reach 1 to 2 inches per hour, with total precipitation ranging from 1 to 2 inches, and locally higher amounts possible. While these storms are expected to move faster than Saturday's, potentially limiting the flooding risk, damaging winds remain the primary concern. Showers and thunderstorms are likely to persist into Wednesday, gradually decreasing from west to east during the day. (Source: NBC New York, published on July 20, 2026, at 14:43 GMT)
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Flash Flood Warnings and Wildfire Smoke Impact Northeast US Amid Severe Weather

Flash Flood Warnings and Wildfire Smoke Impact Northeast US Amid Severe Weather

The northeastern United States is experiencing severe weather conditions, with flash flood warnings issued due to torrential rains and smoky skies from Canadian wildfires. On Saturday, the region faced a combination of severe thunderstorms and poor air quality as smoke returned to New York City and surrounding areas. The National Weather Service has placed much of the tri-state area under a level 3 risk for severe storms, which could bring flash flooding, damaging winds, and isolated tornadoes. In New York City, areas such as Jamaica, Crown Heights, and Brooklyn Heights have been affected by flooding. Meanwhile, Texas is dealing with the aftermath of historic rainfall, with major rivers like the Devils River and the Rio Grande expected to reach flood stages. Emergency crews have been conducting rescues as the flooding has resulted in at least two fatalities and left hundreds needing assistance.
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1 dead in NYC Legionnaires' disease outbreak and over 70 cases confirmed

1 dead in NYC Legionnaires' disease outbreak and over 70 cases confirmed

One person has died in New York City's Legionnaires' disease outbreak as health officials continue searching for the source.
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Severe Weather and Flash Floods Impact Northeast US Amid Canadian Wildfire Smoke

Severe Weather and Flash Floods Impact Northeast US Amid Canadian Wildfire Smoke

The northeastern United States is experiencing severe weather conditions, with flash flood warnings issued due to torrential rains and thunderstorms. The National Weather Service has placed much of the tri-state area under a level 3 out of 5 risk for severe storms, indicating a high likelihood of numerous severe weather events. Areas such as Jamaica, Crown Heights, and Brooklyn Heights have already seen significant rainfall, with over 2.5 inches reported in some locations. The storms are accompanied by damaging wind gusts and the potential for isolated tornadoes. This weather event follows a period of poor air quality caused by smoke from Canadian wildfires, which has returned to New York City, pushing air quality back to unhealthy levels.
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Severe Thunderstorms Cause Flash Flood Warnings and Flight Delays in NYC

Severe Thunderstorms Cause Flash Flood Warnings and Flight Delays in NYC

New York City was hit with severe thunderstorms on Saturday, leading to flash flood warnings across the five boroughs. The heavy downpour resulted in significant disruptions, including ground stops at LaGuardia, JFK, and Newark Liberty International Airports, causing delays of up to two hours. The flooding also affected major expressways, with the Clearview Expressway and Long Island Expressway experiencing closures due to water accumulation. Mayor Zohran Mamdani and Governor Kathy Hochul issued warnings to residents about the dangerous conditions, advising against travel on flooded roads. The National Weather Service issued a special weather alert, and the city's Office of Emergency Management cautioned against walking or driving through floodwaters.