Halsey’s Typhoon

E417374

Pacific typhoon World War II naval disaster tropical cyclone

Halsey’s Typhoon was a devastating Pacific storm during World War II that struck Admiral William “Bull” Halsey’s fleet, causing severe losses and prompting major changes in U.S. Navy weather forecasting and operational procedures.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (1)

Label	Occurrences
Halsey’s Typhoon canonical	1

Statements (45)

Predicate	Object
instanceOf	Pacific typhoon ⓘ World War II naval disaster ⓘ tropical cyclone ⓘ
aircraftLosses	more than 100 U.S. Navy aircraft lost or damaged ⓘ
alsoKnownAs	Cobra Typhoon ⓘ Typhoon Cobra ⓘ
associatedWith	U.S. Navy Task Force 58 ⓘ surface form: Task Force 38
category	equivalent to Category 4 hurricane ⓘ
causeOf	capsizing of multiple U.S. Navy destroyers ⓘ sinking of USS Hull (DD-350) ⓘ sinking of USS Monaghan (DD-354) ⓘ sinking of USS Spence (DD-512) ⓘ
commanderAffected	William Halsey Jr. ⓘ surface form: Admiral William F. Halsey Jr.
conflict	World War II ⓘ
consequence	loss of fuel and aviation stores from damaged carriers ⓘ temporary reduction in U.S. carrier striking power in the region ⓘ
countryInvolved	United States of America ⓘ surface form: United States
date	December 18, 1944 ⓘ
dateRange	December 17–19, 1944 ⓘ
effectOn	U.S. Navy operational procedures ⓘ U.S. Navy weather forecasting practices ⓘ fleet storm-avoidance doctrine ⓘ
fleetAffected	United States Third Fleet ⓘ surface form: U.S. Third Fleet
humanFatalities	over 790 U.S. Navy personnel ⓘ
impact	development of dedicated weather ships and reconnaissance ⓘ greater emphasis on meteorological intelligence in fleet planning ⓘ
location	Philippine Sea ⓘ western Pacific Ocean ⓘ surface form: Western Pacific Ocean
militaryBranchAffected	United States Navy ⓘ
notableFor	being one of the worst non-combat losses in U.S. Navy history ⓘ striking a major U.S. carrier task force during operations off the Philippines ⓘ
partOf	Pacific War ⓘ surface form: Pacific Theater of World War II
pressure	approximately 26.8 inHg ⓘ
resultedIn	changes in formation and maneuvering orders in heavy weather ⓘ creation of improved naval meteorology programs ⓘ revisions to underway replenishment procedures ⓘ
shipDamage	multiple aircraft carriers damaged ⓘ numerous escort ships damaged ⓘ
shipLosses	3 U.S. Navy destroyers sunk ⓘ
theater	Philippines campaign (1941–1942) ⓘ surface form: Philippines campaign
triggered	formal U.S. Navy court of inquiry ⓘ
weatherType	intense tropical storm ⓘ
windSpeed	over 100 knots ⓘ over 185 km/h ⓘ
year	1944 ⓘ

How these facts were elicited

The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.

Instruction

You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10.

# Requirements
- If you don't know the subject at all, return an empty list.
- If the subject is not a named entity, return an empty list.
- Include at least one triple where predicate is "instanceOf".
- Do not get too wordy.
- Separate several objects into multiple triples with one object.

Input

Subject: Halsey’s Typhoon
Description of subject: Halsey’s Typhoon was a devastating Pacific storm during World War II that struck Admiral William “Bull” Halsey’s fleet, causing severe losses and prompting major changes in U.S. Navy weather forecasting and operational procedures.

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Bull Halsey → hasPartInBiography → Halsey’s Typhoon ⓘ