Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Newsletters
  • Advertising
  • Superior Accuracy™
4th of July forecast: Will you need sunglasses or a raincoat? Click here to find out Chevron right

Columbus, OH

74°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Columbus

Ohio

74°
No results found.
Try searching for a city, zip code or point of interest.
settings
Columbus, OH Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center

AccuWeather Early Hurricane Center Top Stories Trending Today Astronomy Heat Climate Health Recreation In Memoriam Case Studies Blogs & Webinars

News / Weather News

Winds from North Korea nuclear test site may send radiation toward Japan, AccuWeather says

Published Nov 1, 2017 9:13 PM EDT | Updated Jul 1, 2019 5:17 PM EDT

Copied

Following a deadly tunnel collapse at a North Korean nuclear test site, winds may strengthen from the northwest and direct radiation toward northern Japan, according to AccuWeather research.

North Korean soldiers and their families are currently being treated for radiation exposure following a deadly tunnel collapse at a North Korean nuclear test site last month, according to multiple media reports.

According to new reports, 200 people were apparently killed in the October collapse at an unfinished tunnel at the Punggye-ri site, after rescuers sent to save 100 people buried beneath debris were themselves trapped after a second collapse occurred. The testing site is located in mountainous terrain in the northeastern part of the country.

It is possible that the supposed test of a hydrogen bomb conducted on Sept. 3 may have weakened the area, resulting in the tunnel’s collapse last month. All previous nuclear tests that North Korea announced were conducted at the same location where the collapse occurred.

AccuWeather research has indicated that all of these tests have occurred when wind conditions were light.

"One might speculate that North Korea conducted these nuclear tests purposefully on days with light wind conditions, so that any resulting radiation leakage would remain within its borders and would go undetected internationally," said Dr. Joel N. Myers, AccuWeather founder and president. "We know from other news reports that there has been an accident at the nuclear test site, and the situation that North Korea may have anticipated with radiation being contained within North Korea has changed. As winds generally blow out of the west-northwest into next week, it is possible that any radiation that leaks from the site could be carried and dispersed across the Sea of Japan [East Sea] and even to the Japanese islands."

The threat may include Hokkaido and far-northern Honshu, with the possibility of radiation reaching areas farther south starting at the middle of the week, local time.

If there is radiation in the air, any rain or high-elevation snow may cause the radiation to eventually seep into the region’s waterways. Drinking water, vegetation and fish taken from the sea can become contaminated.

North Korea winds at test site
N Korea 11/5

With the stability of the site in question, South Korean officials warned that any further nuclear tests could cause radioactive materials to be released into the atmosphere and it's possible they could reach the Japanese island of Hokkaido, according to Japanese news outlet The Asahi Shimbun.

north korea radiation

Earthquake and Volcano of the Korea Monitoring Division Director Ryoo Yong-gyu speaks to the media about North Korea's artificial earthquake with a map of the Korean peninsular in Seoul, South Korea, Sunday, Sept. 3, 2017. (AP Photo/Lee Jin-man)

Lee Jin-man

More information on AccuWeather.com:

North Korea nuclear tests: How far will radiation travel if a leak occurs?
Japan weather center
South Korea weather center

Japan has suffered from previous nuclear events, including World War II bombings and the Fukushima nuclear disaster in 2011.

Report a Typo

Weather News

Weather News

Girl, 8, rescued after 7 hours in flooded sewer in China

Jun. 27, 2025
Weather News

Hiker dies after being stranded on Indonesian volcano for days

Jun. 27, 2025
Weather Forecasts

July 4th forecast: Will you need sunglasses or a raincoat?

Jun. 28, 2025
Show more Show less Chevron down

Topics

AccuWeather Early

Hurricane Center

Top Stories

Trending Today

Astronomy

Heat

Climate

Health

Recreation

In Memoriam

Case Studies

Blogs & Webinars

Top Stories

Recreation

Boulders narrowly miss swimmers at popular Utah waterfall

21 hours ago

Weather Forecasts

Severe storms, torrential downpours to erupt in eastern, central US

3 hours ago

Astronomy

Bright 'fireball' streaks across Southeast, may have hit Georgia home

1 day ago

Hurricane

Southeast coast eyed for potential tropical impacts around July 4th

1 hour ago

Weather News

Over 2,800 high temperature records set during heat wave

20 hours ago

More Stories

Featured Stories

Weather News

AccuWeather joins Perplexity to power AI weather answers

1 day ago

Travel

A mother thought her baby was blown out of a plane

17 hours ago

Weather News

Fossil reveals ‘Last of Us’-type fungus likely lived with dinosaurs

2 days ago

Climate

Your AI prompts could have a hidden environmental cost

4 days ago

Weather News

World’s most liveable city for 2025 revealed

3 days ago

AccuWeather Weather News Winds from North Korea nuclear test site may send radiation toward Japan, AccuWeather says
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information

...

...

...