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Storms batter Mid-Atlantic, sparking several tornadoes and widespread flash flooding

Storms spark tornadoes and flash flooding in Mid-Atlantic

(CNN) — A line of drenching storms swept across the Mid-Atlantic and parts of the Northeast late Thursday, spinning up destructive tornadoes and inundating several areas with significant flooding, including parts of New York City.

⛈️☔️Live in the Northeast? Track the storms, find out your local risk and get more detailed timing from meteorologists in the CNN Weather app ⛈️ ☔️

Storms dumped 1.5 to 2.5 inches of rain in about three hours across northern New Jersey and southern New York. Damage was reported more broadly across the Mid-Atlantic region, including parts of Pennsylvania and Delaware.

A man died after being struck by lightning on a beach in Cape Charles, Virginia, CNN affiliate WVEC reported, citing the town manager. A woman with the man was also struck but suffered only minor injuries, according to WVEC. CNN has reached out to officials for more details.

At least two tornadoes were observed across the Mid-Atlantic, with more likely to be confirmed after the National Weather Service completes damage surveys.

“Significant damage” including flooding and downed trees were reported throughout Dover, Delaware, after a “likely” tornado hit the city, according to the Dover Police Department. Emergencies crews were actively responding, and the city declared a state of emergency Thursday evening, the police said.

Two hotels sustained “heavy damage,” Dover Police Department spokesperson Mark Hoffman told CNN. Video shows a tornado ripping the roof off a Super Lodge motel. All guests were evacuated and placed in a temporary shelter, Hoffman said.

A tornado was also spotted in Columbia, Pennsylvania, as severe storms marched through southeast parts of the state. A state of emergency has been declared for Columbia Borough, police said Thursday night.

Nearby, in York County, Pennsylvania, a high school and six townhomes were damaged by the storm and one person had a minor injury, according to the York County Office of Emergency Management.

In Summit, New Jersey, fire crews responded to a blaze at a multi-unit home after an apparent lightning strike hit the chimney and caused a fire in the attic, CNN affiliate WABC reported. No one was injured.

Fire Chief Brian Harnois said crews were already responding to storm-related emergencies when the call came in, WABC said.

In Long Island, New York, a waterspout came ashore in Nassau County, Thursday evening, ripping through the Sun and Surf Beach Club on Atlantic Beach and significantly damaging cabanas and buildings, the club said.

A state of emergency was declared in Nassau County and emergency responders were assisting people trapped in their vehicles due to flooding in the south shore, County Executive Bruce Blakeman said on Facebook.

New York City, parts of New Jersey and eastern Pennsylvania, including Philadelphia, were under a Level 3 of 4 flooding rainfall risk Thursday. More than 29 million people were under flood watches along the Interstate 95 corridor in the Northeast, stretching as far north as southwest Connecticut to as far south as northern Delaware.

Heavy bursts of rainfall like this are notorious for causing flash floods, especially in urban locations in the East. New York City’s aging sewer infrastructure can only handle around 1.75 inches of rain per hour before it’s overwhelmed and flash flooding can occur.

Flooding closed portions of several major roadways across the city, including the Brooklyn Queens Expressway and the Long Island Expressway in Queens. City authorities also warned commuters of delays on “MTA trains across NYC.”

The storms also disrupted air travel across the New York City region. The Federal Aviation Administration on Thursday issued ground delays for flights arriving at JFK, LaGuardia and Newark airports, according to NYC Emergency Management.

More than 26,000 customers in New Jersey and over 13,000 in Pennsylvania were without power as of Thursday evening, according to poweroutage.us.

The storms were generated by a cold front that already caused flash flooding in central Ohio early Thursday morning. Multiple water rescues and road closures were reported near Columbus, Ohio, according to CNN affiliate WBNS.

Extreme rainfall rates are becoming more common as planet-warming pollution pushes temperatures higher because warmer air holds more moisture. Weather systems can then wring that moisture out like a water-laden sponge, yielding heavy and often highly localized downpours.

This story has been updated with additional information.

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One type of pregnancy-related high blood pressure is becoming more common. A doctor explains

High blood pressure is a common condition that occurs with pregnancy. One form, gestational hypertension, has become substantially more common in the United States, a new report has found.The rate of gestational hypertension increased 73% between 2016 and 2024, and more than 1 in 10 women giving birth in 2024 had it, according to the report published on July 29 by the US National Center for Health Statistics.Why is this condition concerning, who is most at risk, and what can people do to prevent and treat it?To help us understand the findings and what pregnant patients should know about this form of hypertension, I spoke with CNN wellness expert Dr. Leana Wen. Wen is an emergency physician and clinical associate professor at George Washington University. She previously served as Baltimore’s health commissioner.CNN: What is gestational hypertension, and how is it different from other types of high blood pressure during pregnancy?Dr. Leana Wen: Gestational hypertension refers to high blood pressure that develops during pregnancy in someone who previously had normal blood pressure. Clinically, the condition is diagnosed after 20 weeks of pregnancy when blood pressure reaches 140/90 mm Hg or higher on repeated measurements.This form of high blood pressure is one of several hypertensive disorders of pregnancy. Chronic hypertension is high blood pressure that started before pregnancy or is otherwise diagnosed during the first 20 weeks. Preeclampsia is hypertension that develops after 20 weeks and is accompanied by signs that other organs, such as the kidneys, are being affected.CNN: What did this new report find about how common gestational hypertension has become?Wen: The researchers analyzed birth certificate data from all births registered in the United States between 2016 and 2024. Six percent of women giving birth in 2016 were reported as having gestational hypertension. By 2024, that rate had risen to 10.4%. The number of cases increased from nearly 236,000 a year to more than 377,000.The increase was widespread. Rates rose in every age group and every racial and ethnic group studied. Rates also increased in all 50 states and the District of Columbia, though substantial geographic disparities persisted — in 2024, rates ranged from 6.9% in New Jersey to 14.6% in Louisiana.One caveat is that the definition used on birth certificates includes pregnancy-induced hypertension and preeclampsia and is therefore broader than the clinical definition of gestational hypertension.Still, the authors specifically caution that gestational hypertension is probably underreported because health conditions are often underreported on birth certificates. However, the same methodology was used throughout the study period, which strengthens the finding of an increase over time. The overall trend is also consistent with other research showing that hypertension during pregnancy has become increasingly common.CNN: Why is gestational hypertension problematic? What are the potential risks to the baby and the mother?Wen: For the baby, hypertensive disorders are associated with problems with growth, low birth weight, preterm delivery and stillbirth. High blood pressure during pregnancy can also affect blood flow to the placenta. The condition increases the risk of serious complications including placental abruption, in which the placenta separates from the uterus before delivery.For the mother, severe hypertension can damage organs and increase the risk of stroke. Gestational hypertension can progress to preeclampsia, which, in severe cases, can lead to eclampsia, which involves seizures and can be life-threatening.CNN: Who is most at risk for developing gestational hypertension?Wen: In 2024, women ages 40 and older had the highest rate of gestational hypertension among the age groups studied, according to the new report. There was also a strong association with weight before pregnancy. The rate among those with obesity prior to pregnancy was more than double that of people with normal weight. Women carrying twins or more babies at once also had substantially higher rates than those carrying one baby.Rates varied by race and ethnicity as well. American Indian and Alaska Native women had the highest rate, at 13.2%, followed by Black women at 12.3%. These rates may be influenced by multiple factors, including differences in access to healthcare services.CNN: Do we know why rates of gestational hypertension have increased so substantially?Wen: One likely contributor is that some of the factors associated with gestational hypertension have become more common. More people are becoming pregnant at older ages; obesity has become more prevalent among those of reproductive age; and there are more twin, triplet and other multiple births.This, though, may not fully explain the large rise in prevalence, especially as the report found substantial increases across every age and body mass index category. Another explanation is that there could be changes over time in diagnosis and reporting, or there could be other biological factors underlying why this condition appears to be increasing. More research is needed to determine how much of the rise reflects changes in the health of pregnant individuals versus changes in how these conditions are identified and recorded.CNN: How is gestational hypertension detected? Are there symptoms pregnant patients should watch for?Wen: The US Preventive Services Task Force recommends that blood pressure be measured at every prenatal visit. An elevated reading should be confirmed with repeat measurements.Certain symptoms should prompt urgent medical evaluation because they can be signs of preeclampsia. These include a severe or persistent headache, changes in vision such as blurred vision or seeing spots, pain in the upper abdomen, significant swelling of the face or hands, shortness of breath, and nausea or vomiting later in pregnancy.Importantly, though, many people with high blood pressure will not feel any different. That means someone should not assume that because they feel well, their blood pressure must be normal. Pregnant patients should know their usual blood pressure and ask their clinician about it during clinic visits.CNN: How is gestational hypertension treated if it develops?Wen: Treatment depends on how high the blood pressure is, whether there are signs of preeclampsia, and how far along the pregnancy is and how the baby is doing.Someone with gestational hypertension will need more frequent monitoring, which may include home blood pressure measurements, blood and urine tests, and additional monitoring of fetal growth and well-being. Some people may require blood pressure medications.Severely elevated blood pressure accompanied by signs of organ damage may require early delivery. In some cases, clinicians have to weigh the risks of continuing the pregnancy against the risks of delivering early.CNN: Is there anything patients can do before or during pregnancy to reduce their risk of developing gestational hypertension and other hypertensive disorders of pregnancy?Wen: Some risk factors, such as age or carrying twins, cannot be changed. But optimizing health before pregnancy can help reduce risk.People who are planning pregnancy should make sure that existing conditions such as chronic hypertension and diabetes are well-controlled. Those who have overweight or obesity can discuss with their healthcare provider whether weight loss before pregnancy would benefit their health. Regular physical activity, a nutritious diet and not smoking are essential for cardiovascular and overall health generally.CNN: What should people who have had gestational hypertension know about their health after pregnancy?Wen: In the immediate term, they should know that delivery does not immediately eliminate the risk. Blood pressure problems can persist or worsen in the initial days and weeks after childbirth, and preeclampsia can first appear during the postpartum period.Patients should also be aware that hypertensive disorders during pregnancy are associated with an increased risk of developing chronic hypertension and cardiovascular disease later in life. People who have developed hypertension during pregnancy should make sure that this remains part of their medical history so that future primary care providers and other healthcare professionals are aware of this potential risk factor.The-CNN-Wire™ & © 2026 Cable News Network, Inc., a Warner Bros. Discovery Company. All rights reserved.
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