# D-Day, 5–6 June 1944: The Forecast That Shaped the Landing

> Explore the weather forecast, postponement, and decision to launch the Normandy landings on 6 June, alongside the naval and airborne plan.

Canonical URL: https://aristotree.com/juneatlas/d-day-5-6-june-1944-the-forecast-that-shaped-the-landing
Language: en
Creator: juneatlas
Last modified: 2026-10-08T08:11:28.981Z
Concepts: 10
Relationships: 14

This is a public, user-curated knowledge graph. Follow the cited sources when verifying claims.

## Concepts

### Trafford Leigh-Mallory

Air Chief Marshal Sir Trafford Leigh-Mallory, was a senior commander in the Royal Air Force. Leigh-Mallory served as a Royal Flying Corps pilot and squadron commander during the First World War.

Topics: history, historical episode

Sources:
- https://en.wikipedia.org/wiki/Trafford_Leigh-Mallory
- https://en.wikipedia.org/wiki/Trafford_Leigh-Mallory?action=history
- https://creativecommons.org/licenses/by-sa/4.0/

### Southwick House

Southwick House is a Grade II listed 19th-century manor house of the Southwick Estate in Hampshire, England, about 5 miles (8 km) north of Portsmouth. It is home to the Defence School of Policing and Guarding and related military police capabilities.

Topics: history, historical episode

Sources:
- https://en.wikipedia.org/wiki/Southwick_House
- https://en.wikipedia.org/wiki/Southwick_House?action=history
- https://creativecommons.org/licenses/by-sa/4.0/

### Normandy landings

The Normandy landings were the landing operations and associated airborne operations on 6 June 1944 of the Allied invasion of Normandy in Operation Overlord during the Second World War.

Topics: history, historical episode

Sources:
- https://en.wikipedia.org/wiki/Normandy_landings
- https://en.wikipedia.org/wiki/Normandy_landings?action=history
- https://creativecommons.org/licenses/by-sa/4.0/

### Operation Overlord

Operation Overlord was the codename for the Battle of Normandy, the Allied operation that launched the successful invasion of German-occupied Western Europe during World War II. The operation was launched on 6 June 1944 (D-Day) with the Normandy landings.

Topics: history, historical episode

Sources:
- https://en.wikipedia.org/wiki/Operation_Overlord
- https://en.wikipedia.org/wiki/Operation_Overlord?action=history
- https://creativecommons.org/licenses/by-sa/4.0/

### James Stagg

James Martin Stagg was a Scottish Met Office meteorologist attached to the Royal Air Force (RAF) during the Second World War who notably persuaded General Dwight D. Eisenhower to change the date of the Allied invasion of Europe from 5 to 6 June 1944.

Topics: history, historical episode

Sources:
- https://en.wikipedia.org/wiki/James_Stagg
- https://en.wikipedia.org/wiki/James_Stagg?action=history
- https://creativecommons.org/licenses/by-sa/4.0/

### Dwight D. Eisenhower

Dwight David "Ike" Eisenhower was the 34th president of the United States, serving from 1953 to 1961.

Topics: history, historical episode

Sources:
- https://en.wikipedia.org/wiki/Dwight_D._Eisenhower
- https://en.wikipedia.org/wiki/Dwight_D._Eisenhower?action=history
- https://creativecommons.org/licenses/by-sa/4.0/

### Bertram Ramsay

Admiral Sir Bertram Home Ramsay, KCB, KBE, MVO was a Royal Navy officer. He commanded the destroyer HMS Broke during the First World War.

Topics: history, historical episode

Sources:
- https://en.wikipedia.org/wiki/Bertram_Ramsay
- https://en.wikipedia.org/wiki/Bertram_Ramsay?action=history
- https://creativecommons.org/licenses/by-sa/4.0/

### English Channel

The English Channel, also known as the Channel, is an arm of the Atlantic Ocean that separates Southern England from northern France. It links to the southern part of the North Sea by the Strait of Dover at its northeastern end.

Topics: history, historical episode

Sources:
- https://en.wikipedia.org/wiki/English_Channel
- https://en.wikipedia.org/wiki/English_Channel?action=history
- https://creativecommons.org/licenses/by-sa/4.0/

### Bernard Montgomery

Field Marshal Bernard Law Montgomery, 1st Viscount Montgomery of Alamein, was a senior British Army officer who served in the First World War, the Irish War of Independence, and the Second World War.

Topics: history, historical episode

Sources:
- https://en.wikipedia.org/wiki/Bernard_Montgomery
- https://en.wikipedia.org/wiki/Bernard_Montgomery?action=history
- https://creativecommons.org/licenses/by-sa/4.0/

### D-Day, 5–6 June 1944: The Forecast That Shaped the Landing

Explore the weather forecast, postponement, and decision to launch the Normandy landings on 6 June, alongside the naval and airborne plan.

Topics: history, historical episode

Sources:
- https://en.wikipedia.org/wiki/Normandy_landings
- https://en.wikipedia.org/wiki/Normandy_landings?action=history
- https://creativecommons.org/licenses/by-sa/4.0/

## Relationships

- D-Day, 5–6 June 1944: The Forecast That Shaped the Landing — related_to → James Stagg: Chief weather adviser
- D-Day, 5–6 June 1944: The Forecast That Shaped the Landing — related_to → Dwight D. Eisenhower: Approved the landing
- D-Day, 5–6 June 1944: The Forecast That Shaped the Landing — related_to → Normandy landings: Naval assault
- D-Day, 5–6 June 1944: The Forecast That Shaped the Landing — related_to → Operation Overlord: Wider invasion
- D-Day, 5–6 June 1944: The Forecast That Shaped the Landing — related_to → Southwick House: Decision headquarters
- D-Day, 5–6 June 1944: The Forecast That Shaped the Landing — related_to → Bernard Montgomery: Ground commander
- D-Day, 5–6 June 1944: The Forecast That Shaped the Landing — related_to → Trafford Leigh-Mallory: Air commander
- D-Day, 5–6 June 1944: The Forecast That Shaped the Landing — related_to → Bertram Ramsay: Naval commander
- D-Day, 5–6 June 1944: The Forecast That Shaped the Landing — related_to → English Channel: Crossing route
- James Stagg — related_to → Dwight D. Eisenhower: Advised on weather
- Dwight D. Eisenhower — related_to → Southwick House: Decided here
- Normandy landings — related_to → Operation Overlord: Opened the campaign
- Bertram Ramsay — related_to → Normandy landings: Commanded naval assault
- Normandy landings — related_to → English Channel: Crossed the Channel
