Cyclone Tracy
E60397
Cyclone Tracy was a devastating tropical cyclone that struck Darwin, Australia, on Christmas Eve 1974, destroying most of the city and causing significant loss of life.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cyclone Tracy canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T484786 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cyclone Tracy Context triple: [Darwin, knownFor, Cyclone Tracy]
-
A.
Cyclone
Cyclone is a statically typed, safe dialect of C designed to prevent common programming errors such as buffer overflows and memory leaks while retaining low-level control.
-
B.
Typhoon FGR4
The Typhoon FGR4 is a multirole variant of the Eurofighter Typhoon used by the Royal Air Force for air-to-air and air-to-ground combat operations.
-
C.
2004 Indian Ocean earthquake and tsunami
The 2004 Indian Ocean earthquake and tsunami was a massive undersea megathrust earthquake off the coast of Sumatra that triggered devastating tsunamis across the Indian Ocean, killing over 200,000 people and becoming one of the deadliest natural disasters in recorded history.
-
D.
Calima
Calima refers to an ancient pre-Columbian culture from the Valle del Cauca region of Colombia, renowned for its sophisticated goldwork and distinctive ceramic art.
-
E.
Hurricane
"Hurricane" is a protest song by Bob Dylan that narrates and condemns the wrongful imprisonment of boxer Rubin "Hurricane" Carter.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cyclone Tracy Target entity description: Cyclone Tracy was a devastating tropical cyclone that struck Darwin, Australia, on Christmas Eve 1974, destroying most of the city and causing significant loss of life.
-
A.
Cyclone
Cyclone is a statically typed, safe dialect of C designed to prevent common programming errors such as buffer overflows and memory leaks while retaining low-level control.
-
B.
Typhoon FGR4
The Typhoon FGR4 is a multirole variant of the Eurofighter Typhoon used by the Royal Air Force for air-to-air and air-to-ground combat operations.
-
C.
2004 Indian Ocean earthquake and tsunami
The 2004 Indian Ocean earthquake and tsunami was a massive undersea megathrust earthquake off the coast of Sumatra that triggered devastating tsunamis across the Indian Ocean, killing over 200,000 people and becoming one of the deadliest natural disasters in recorded history.
-
D.
Calima
Calima refers to an ancient pre-Columbian culture from the Valle del Cauca region of Colombia, renowned for its sophisticated goldwork and distinctive ceramic art.
-
E.
Hurricane
"Hurricane" is a protest song by Bob Dylan that narrates and condemns the wrongful imprisonment of boxer Rubin "Hurricane" Carter.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
natural disaster
ⓘ
tropical cyclone ⓘ |
| affectedCity | Darwin ⓘ |
| basin | Australian region ⓘ |
| caused |
extensive flooding
ⓘ
long-term disruption of essential services in Darwin ⓘ severe storm surge ⓘ widespread structural failure in Darwin ⓘ |
| damagedBuildings | over 90 percent of Darwin’s buildings ⓘ |
| deathsAtSea | 6 ⓘ |
| deathsOnLand | 65 ⓘ |
| destroyedDwellings | over 70 percent of Darwin’s homes ⓘ |
| dissipatedOn | 1974-12-26 ⓘ |
| economicDamage | hundreds of millions of Australian dollars (1974) ⓘ |
| economicDamageAdjusted | several billions of Australian dollars (inflation-adjusted) ⓘ |
| fatalities | 71 ⓘ |
| formedOn | 1974-12-20 ⓘ |
| hasCountry | Australia ⓘ |
| hasNameOrigin | named by the Australian Bureau of Meteorology ⓘ |
| homelessPeople | approximately 25,000 ⓘ |
| impactRegion | Top End of the Northern Territory ⓘ |
| injuries | hundreds ⓘ |
| landfallLocalTime | early hours of 1974-12-25 ⓘ |
| ledTo |
changes in Australian building codes
ⓘ
major rebuilding of Darwin ⓘ mass evacuation of Darwin’s population ⓘ reforms in emergency management in Australia ⓘ |
| madeLandfallNear | Darwin ⓘ |
| madeLandfallOn | 1974-12-24 ⓘ |
| maximumCategory | Category 4 (Australian scale) ⓘ |
| maximumGusts | 240 km/h ⓘ |
| maximumSustainedWinds | 215 km/h ⓘ |
| memorializedBy |
annual commemorations in Darwin
ⓘ
museum exhibits in Darwin ⓘ |
| minimumCentralPressure | 950 hPa ⓘ |
| notableFor |
high proportion of buildings destroyed
ⓘ
occurring on Christmas Eve and Christmas Day ⓘ striking Darwin directly ⓘ |
| occurredInMonth | December 1974 ⓘ |
| occurredInSeason | 1974–75 Australian cyclone season ⓘ |
| occurredOn | Christmas Eve 1974 ⓘ |
| partOf | history of Darwin, Northern Territory ⓘ |
| populationEvacuated | over 30,000 ⓘ |
| record | one of the most destructive cyclones in Australian history ⓘ |
| struckCountry | Australia ⓘ |
| struckStateOrTerritory | Northern Territory ⓘ |
| timeZoneOfImpact | Australian Central Standard Time ⓘ |
| windDirectionAtLandfall | southwest to northeast across Darwin ⓘ |
| year | 1974 ⓘ |
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: Cyclone Tracy Description of subject: Cyclone Tracy was a devastating tropical cyclone that struck Darwin, Australia, on Christmas Eve 1974, destroying most of the city and causing significant loss of life.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.