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5 of the most significant atomic blasts at the Nevada Test Site

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5 of the most significant atomic blasts at the Nevada Test Site


The Nevada Test Site didn’t waste any time.

President Harry Truman established the site, a 680-square-mile section of the Nellis Air Force Gunnery and Bombing Range, on Dec. 18, 1950.

Less than six weeks later, a 1-kiloton device, equivalent to 1,000 tons of TNT, was dropped from an Air Force B-50 bomber.

It was the first of 928 nuclear tests, 100 of them above ground, at what was originally known as the Nevada Proving Grounds and is now referred to as the Nevada National Security Site.

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We asked the Atomic Museum’s Joe Kent, deputy director and curator, and Matt Malinowski, director of education, about the most significant blasts at the test site.

Here are five of their picks, with the series name followed by the test name, along with how the Review-Journal covered them.

Ranger/Able

Date: Jan. 27, 1951

What it was: This was the first atomic test in the continental U.S. since the Manhattan Project’s Trinity test on July 16, 1945.

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“It was very much, ‘OK, let’s get started. Let’s see how it goes,’ ” Kent said.

How we covered it: “Roulette wheels and dice tables, which operate 24 hours a day here, were still doing a brisk business when the blast went off around 5 a.m.,” we wrote.

“In the Golden Nugget, a man standing at one of the craps tables felt the shock. He paused and looked around.

“ ‘Must be an A-bomb,’ he said. He turned back to the table and went on with the game.”

Local insurance agent O.A. Kimball said one of his clients called before dawn to tell him the plaster on her walls and ceiling were cracked by the explosion.

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“ ‘The doors really played a tune when the thing went off,’ Kimball reported her as saying, ‘and I was afraid for a few minutes the house would fall down.’ ”

Upshot-Knothole/Harry

Date: May 19, 1953

What it was: This 32-kiloton test became known as “Dirty Harry” when the fallout, which was intended to land between Alamo and Glendale, was blown downwind into St. George, Utah.

“That’s probably the quintessential test that is tied to the downwinder movement,” Kent said of the presumed victims of the blast who were exposed to radiation.

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How we covered it: “The cloud, which was barely visible in Las Vegas because of the overcast, gray dawn, traveled in an east-southeast direction and the atomic energy commission (sic) established highway checkpoints on Highways 91 and 93 to warn motorists of the possibility of radioactive fallout.

“The checkpoints were established at St. George, Alamo, Glendale and Nellis air force base (sic) and were a precautionary measure. No hazardous levels of radioactivity were reported.”

The next day, we checked in on St. George.

“Having an atomic cloud hover over their town caused little concern to the men, women and children who live in St. George, Utah, who kept indoors several hours yesterday after atomic energy commission officials reported that there would be some fallout there after yesterday morning’s shot.”

St. George resident Dick Hammer estimated between 30 and 40 people, most of them tourists, were in his Dick’s Cafe when the word that people should remain indoors came over the radio. One woman, he said, wondered what would happen to them.

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“ ‘Hell, lady, I don’t know,’ Hammer replied, ‘but I don’t think you have much to worry about.’ ”

Teapot/Apple 2

Date: May 5, 1955

What it was: This was the second of “two highly publicized civil effects tests just to see what would happen to a small town,” Kent said. “What would be the concerns if the town was hit with one of these bombs.”

It’s also the test that inspired the scene in “Indiana Jones and the Kingdom of the Crystal Skull” in which Indy rides out a nuclear blast in a refrigerator.

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A 29-kiloton device was dropped from a 500-foot tower near Doom Town, the symbolic burgh made up of fully furnished homes, a radio station, a gas station and other signs of civilization, with mannequins representing the residents.

How we covered it: “A fearsome nuclear weapon bludgeoned this guinea-pig city today while the civil defense teams staged a dress rehearsal of their possible roles in the atomic age.

“Dummies dressed as men, women and children were grouped under the atom’s devastating might in an experiment to determine how families in an American target city might survive the fury of nuclear warfare.”

The blast was described as “a spectacular orange, blue and purple fireball.”

The next day, officials got a full look at the damage.

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“Death and serious injury struck the dummy men, women and children of Doomsday Drive, the little dirt road lying only 4,700 feet from ground zero,” we wrote.

“A mannequin mother died horribly in her one-story home of pre-cast concrete slabs. Portions of her plaster-and-paint body were found in three different areas. A mannequin tot, perhaps the size of your 3-year-old, was blown out of bed and showered with needle-sharp glass fragments. This house withstood the blast, but its occupants may not have.”

Plumbbob/Hood

Date: July 5, 1957

What it was: A 74-kiloton thermonuclear device was dropped from a balloon, sending an atomic cloud 49,000 feet into the air, as part of the largest above-ground test at the site. The test is featured in the Atomic Museum’s Ground Zero Theater.

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It also was part of the Desert Rock exercises, essentially war games designed to test how members of the military would perform during an atomic war.

“They would have these exercises along with the blasts,” Malinowski said. “So the troops would be put into foxholes or trenches, told to stay down low, not to look directly at the light while it was going off.”

How we covered it: “Nuclear scientists this morning fired the largest atomic blast ever to be detonated in the continental United States and the resulting explosion caused veteran observers 13 miles from ground zero to gasp with awe at its terrible immensity.

“The flash and fulminating fireball caused joshua (sic) trees and yucca plants near zero to burst into flames, making the desert floor resemble a flaming city.”

Elsewhere in that edition, it was reported that “a United Airlines pilot flying from Honolulu to Los Angeles radioed that he saw the light of the Nevada blast as his plane cruised 1,000 miles off the California coast.” A bright flash was reported in San Francisco, while residents in Hollywood, Anaheim and Newport Beach reported feeling “two jarring shocks” at 5:05 a.m., 25 minutes after the detonation.

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Julin/Divider

Date: Sept. 23, 1992

What it was: This underground vertical shaft test of less than 20 kilotons proved to be the final full-scale test at the site. It wasn’t designed to be, but a nine-month testing moratorium went into effect on Oct. 1. The next year, it was extended indefinitely.

“They still do subcritical testing on the weapons stockpile out there,” Malinowski said. “So even though they’re not doing full-scale detonations, there are experiments they do to kind of verify that the stockpile is still well-maintained and active.”

How we covered it: “The United States conducted its sixth nuclear weapons test of the year Wednesday at the Nevada Test Site, five days after the last one, while four Belgian anti-nuclear activists hid within a mile or two of ground zero, U.S. authorities said.

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“The four — three men and a woman — said they feared for their safety as Department of Energy scientists began counting down the last five minutes prior to the 8:04 a.m. detonation, prompting them to flee on bicycles to a safer location, some three miles from ground zero.”

They were arrested there about an hour later.

“I was kind of scared,” said Michiel De Grande, 25, outside the Foley Federal Building after he was ordered to appear the next day for a hearing on federal trespass charges. “The feeling inside was real strange, the feeling of the pain of the Earth. It shook for 10 seconds. Even before the bomb exploded you could feel the Earth crying.”

Contact Christopher Lawrence at clawrence@reviewjournal.com or 702-380-4567. Follow @life_onthecouch on X.

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Chabad of Southern Nevada to host Grand Menorah lighting in Downtown Las Vegas

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Chabad of Southern Nevada to host Grand Menorah lighting in Downtown Las Vegas


LAS VEGAS (KTNV) — On Thursday, the Chabad of Southern Nevada will host the Grand Menorah lighting at Fremont Street at The Fremont Street Experience at 4 p.m.

Mayor-elect Shelly Berkley and other local officials will be in attendance.

There will be music, latkes and free dreidels for the kids.

The 20-foot menorah is erected and maintained throughout Chanukah from Dec. 25 and culminates on Jan 2.

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Driver’s close call near Emerald Bay highlights danger on icy Sierra Nevada roads

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Driver’s close call near Emerald Bay highlights danger on icy Sierra Nevada roads


Christmas Day weather forecast for Northern California – Dec. 25, 2024

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Christmas Day weather forecast for Northern California – Dec. 25, 2024

02:55

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TRUCKEE — With another weather system just about done with Northern California, roads in the Northern California high country are open but still potentially treacherous on Christmas Day. 

As of noon, there are no restrictions on both Interstate 80 and Highway 50 in the Sierra Nevada. 

The same can’t be said for the smaller highways, however. 

On Highway 89, Caltrans says chains or snow tires are required from Truckee to the Sierra/Plumas County line, and from Truckee to around 11 miles north of Truckee. 

Highlighting how dangerous the conditions could be, on Christmas morning California Highway Patrol posted about a driver who nearly went completely off the side of the road near Emerald Bay. The vehicle had to be towed out. 

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Further south, along Highway 88, Caltrans says chains are also still required on all vehicles from 6.5 miles east of Peddler Hill in Amador County to about 5 miles west of Picketts Junction in Alpine County. 

Another impactful weather system is expected to arrive by Thursday in Northern California 

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LETTER: Let’s consider how much growth Southern Nevada can accomodate

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LETTER: Let’s consider how much growth Southern Nevada can accomodate


Neither of the authors of “Homesteading 2.0” (Dec. 15 Review-Journal) lives in Nevada. Yet, they believe they are qualified to advocate for increased development of our public lands.

To date, much new development has focused on luxury housing and green energy projects, rather than the need for affordable housing. While the authors acknowledge our successful conservation efforts, they fail to mention that current residents are being heavily regulated by the water authority, facing penalties, and pressured to reduce water usage. Lawns are being replaced with desert landscaping, and ongoing development to accommodate growth is contributing to the urban heat island effect. This growth has led to more congested roadways, wildlife encroaching into urban areas due to habitat loss and reduced access to recreational spaces that residents once enjoyed.

One of the defining features of Las Vegas was the open space surrounding the valley, which has long been a unique advantage of living in the Southwest. We must carefully consider how much growth we are willing to support moving forward.

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