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D.C’s cherry blossoms just hit their earliest peak bloom in 20 years. Here’s why scientists say it’ll keep happening earlier.

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D.C’s cherry blossoms just hit their earliest peak bloom in 20 years. Here’s why scientists say it’ll keep happening earlier.


The iconic pink and white blossoms that transform Washington, D.C. at the beginning of spring have officially hit their earliest peak bloom recorded in at least 20 years. It’s one of the earliest days it’s happened in the area on record – and experts say it will likely keep shifting earlier. 

Peak bloom occurs when 70% of the Yoshino cherry blossoms planted around D.C. open up. According to the National Park Service, this usually happens between the last week of March and the first week of April. From 2004 to 2023, the annual peak mostly occurred between March 25 and April 10, with a few exceptions where it happened as early as March 20. 

The service predicted on its website that peak bloom would occur this year between March 23 and March 26, but in an update on Sunday, the service’s National Mall and Memorial Parks posted an update on social media.

“PEAK BLOOM! PEAK BLOOM! PEAK BLOOM! Did we say PEAK BLOOM?!” the agency said. “The blossoms are opening & putting on a splendid spring spectacle.” 

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The agency confirmed peak bloom arrived on March 17 on its website on Monday. But what exactly makes them open up earlier? Scientists and National Park officials say it all has to do with the weather. 

“Peak bloom varies annually depending on weather conditions,” the service says, adding that the typical bloom period also depends on weather conditions. “…Cool, calm weather can extend the length of the bloom, and a rainy, windy day can bring an abrupt end to the ephemeral blossoms. A late frost can prevent the trees from blooming at all.” 

D.C.’s predicted peak blossom season is expected to come just days after scientists with the Japan Meteorological Agency said cherry blossoms have been blooming earlier over time due to rising global temperatures. 

Daisuke Sasano, a climate risk management officer at the JMA’s Office of Climate Change, said in a briefing last week that overall, global temperatures have been increasing. Scientists have confirmed that 2023 was the hottest year on record and 2024 has already seen record-breaking heat

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“It is unequivocal that human influence has warmed the atmosphere, ocean and land. Climate change is already affecting every inhabited region across the globe, with human influence contributing to many observed changes in weather and climate extremes,” his presentation said, citing the United Nations’ Intergovernmental Panel on Climate Change. “Projected changes in extremes are larger in frequency and intensity with every additional increment of global warming.”

Studying a sample cherry blossom tree — called sakura in Japanese — in Tokyo, Sasano said scientists found that the average start date for cherry blossoms to bloom in Japan has gotten earlier, moving up at a rate of roughly 1.2 days every decade. That rate has a “high” correlation with the average temperature, he said. And it’s not just Tokyo — several major Japanese cities have seen earlier blooms over the past 30 years, including Osaka, Hiroshima and Sendai. 

The earliest peak recorded in D.C. was March 15, 1990, according to the National Park Service, which added that this year marks the earliest peak in at least two decades. It comes as the D.C. saw above-average temperatures in both January and March. On Feb. 26, Weather Underground recorded a max temperature of 66 degrees Fahrenheit at Ronald Reagan Washington National Airport – nearly 16 degrees above average. 

Global temperatures are only expected to continue to rise, furthering weather extremes – and impacting cherry blossoms. Even if greenhouse gas emissions – a primary driver of global warming – drastically decrease worldwide today, the emissions already put into the atmosphere will continue to have an impact for decades to come. 

Scientists with non-profit group Climate Central have also said climate change is having an impact on blossoms. In 2018, the organization said that from 1931 to 1960, cherry blossoms in D.C. were blooming on average around April 6. From 1981 to 2010, however, the average was April 1. They also predict that in the future, blooms could happen as early as the first week of March. 

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Last year’s cherry blossoms stayed on trees for a little more than a week. But how long this year’s bloom remains is still a question. The National Weather Service is expecting a cold front into the Northeast U.S. at the beginning of the week that could bring some snow and wind gusts of up to 30 mph across the region, and while cool and calm can extend the life of the blossoms, rain and wind can bring their end.  





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Nonprofit sues the federal government over plans to paint Lincoln Memorial Reflecting Pool blue

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Nonprofit sues the federal government over plans to paint Lincoln Memorial Reflecting Pool blue


With a blue sky above the Lincoln Memorial, people walk along the reflection pool in Washington, D.C., on June 9, 2023.

Jose Luis Magana/AP


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Jose Luis Magana/AP

A nonprofit is suing the National Park Service, the Department of the Interior and Interior Secretary Doug Burgum over the decision to resurface the Lincoln Memorial Reflecting Pool at Washington D.C.’s National Mall, and to paint the pool’s basin blue.

The suit was filed Monday in U.S. District Court for the District of Columbia by The Cultural Landscape Foundation (TCLF), an education and advocacy organization. In the suit, TCLF is asking a federal judge to halt the project, saying that the Trump administration failed to have the project reviewed federally, as is dictated by the National Historic Preservation Act.

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President Trump revealed his plans for the pool do-over last month in “American flag blue,” saying that the project would take one week and $2 million, and that it would be completed in time for the 250th anniversary of the Declaration of Independence on July 4. A few days later on Truth Social, the president posted a fake image of himself and several of his administration officials in swimsuits, along with an unidentified woman in a gingham bikini, lounging in the water with the Washington National Monument at the rear. (Swimming in the reflecting pool is prohibited by federal law.)

In a YouTube video posted by the White House on April 23, Trump called the pool “filthy dirty” and said it “leaked like a sieve.” In that video, Trump said he was going to call three companies that he has worked with in the past – “all they do is swimming pools” – and say, “Give me a good price.”

The New York Times reported last Friday that the contract for the reflecting pool’s resurfacing was awarded in a $6.9 million no-bid contract to a company called Atlantic Industrial Coatings, which previously has never held any federal contracts.

An employee at the Atlantic Industrial Coatings confirmed in a telephone call on Monday that it has been contracted for this project, but referred all other questions to the Department of the Interior.

The Times reported on Monday that the final cost of the project could be upward of $13 million, per documents it says it has obtained. The Department of the Interior did not confirm the cost of the project, but wrote: “The contract price reflects the effort necessary to expedite the timeline of completing the leak prevention coating project—more people, more materials, more equipment and longer hours ahead of our 250th.”

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In an unsigned statement emailed to NPR Monday afternoon, the Interior Department wrote: “The National Park Service chose the best company to expedite the repair of the iconic Reflecting Pool ahead of our 250 celebrations. The choice of American Flag Blue will enhance the visitor experience by making the pool reflect the grand Lincoln Memorial and Washington Monument. NPS is also investing in a state-of-the-art ozone nanobubbler filtration system and will now have a dedicated crew who will maintain the grounds’ from wildlife. The Department is proud of the work being carried out by our Park Service to ensure this magical spot can be enjoyed for not only our 250th, but for many generations to come.”

Critics of the project, including TCLF, don’t share that vision – and are taking particular umbrage at the color.

“The reflecting pool should not be viewed in isolation; it is part of the larger ensemble of designed landscapes that comprise the National Mall,” Charles A. Birnbaum, the president and CEO of TCLF, said in a statement emailed to NPR Monday. “The design intent, to create a reflective surface that is subordinate, is fundamental to the solemn and hallowed visual and spatial connection between the Washington Monument and the Lincoln Memorial. A blue-tinted basin is more appropriate to a resort or theme park.”

The National Park Service regularly cleans out algae, goose droppings and other detritus from the reflecting pool. The last major renovation of the reflecting pool, which included the installation of a new circulation and filtration system, took place during the Obama administration at a reported cost of $34 million.

Before founding TCLF in 2008, Birnbaum served for 15 years as the coordinator of the Historic Landscape Initiative for the National Park Service.

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TCLF has another open lawsuit against the federal administration: it is one of eight cultural and architecture groups currently suing President Trump and the Kennedy Center board over the planned renovations of the complex, which are planned to start in July.



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K-9 Knox to be honored at ceremony in Washington, D.C. on Monday

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K-9 Knox to be honored at ceremony in Washington, D.C. on Monday


The memorial service will be held at the National Law Enforcement Officers Memorial at 1 p.m.

A brave K-9 hero from the region will be honored at the Annual National Police K9 Memorial Service on Monday afternoon. (Roanoke Police Department)

WASHINGTON D.C. – A brave K-9 hero from the region will be honored at the Annual National Police K9 Memorial Service on Monday afternoon.

K-9 Knox died in the line of duty last year after he was accidentally hit by a police vehicle while pursuing a suspect involved in a stolen vehicle incident. He was a 3-year-old German shepherd and had served as a narcotics detection and patrol apprehension K-9 for the Roanoke Police Department since May 2023.

The memorial service will include a wreath-laying ceremony and will be held at the National Law Enforcement Officers Memorial in Washington, D.C., at 1 p.m. The event will open with a musical performance by Frank Ray, and the guest speaker will be Deputy Jared Hahn of the Miami-Dade Sheriff’s Office K-9 Unit.

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The San Antonio Police Department Blue Line Choir will sing the national anthem, and the Emerald Society Pipes & Drums band will also perform.




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Storm Team4 Forecast: Showers, cool temps to start off the workweek

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Storm Team4 Forecast: Showers, cool temps to start off the workweek


4 things to know about the weather:

  1. Shower chance Monday morning
  2. Cooler Monday
  3. Midweek rain chance
  4. Warmer end to the week

Showers continue to move west with a cold front tonight. There will be a break in the rain overnight, but showers return for the start of the day on Monday. Monday afternoon will be dry, but noticeably cooler.

Sunshine returns Tuesday, but the break in the rain will be short-lived with rain chances on Wednesday

Download the NBC Washington app on iOS and Android to check the weather radar on the go.

QuickCast

TONIGHT:
Showers early
Mostly cloudy
Wind: N 5-10 mph
LOW: Low 50s

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MONDAY:
Morning shower chance
Wind: N 5-10 mph
HIGH: Upper 60s

TUESDAY:
Sunny
Wind: N 5-10 mph
HIGH: Near 70°

WEDNESDAY:
Shower chance
Wind: S 5-10 mph
Gusts at 20 mph
HIGH: Low 70s

SUNRISE: 5:59 a.m.    SUNSET: 8:10 p.m.
AVERAGE HIGH: 75°   AVERAGE LOW: 56°

Stay with Storm Team4 for the latest forecast. Download the NBC Washington app on iOS and Android to get severe weather alerts on your phone.

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