Hurricane Agnes 1972

E55322

Atlantic hurricane Category 1 Atlantic hurricane retired Atlantic hurricane name

Hurricane Agnes 1972 was a devastating Atlantic hurricane that caused catastrophic flooding and widespread damage across the eastern United States, particularly in June 1972.

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All labels observed (3)

Label	Occurrences
Hurricane Agnes	1
Hurricane Agnes 1972 canonical	1
Hurricane Agnes flooding of 1972	1

Statements (83)

Predicate	Object
instanceOf	Atlantic hurricane ⓘ Category 1 Atlantic hurricane ⓘ retired Atlantic hurricane name ⓘ
affectedArea	Caribbean Sea ⓘ Connecticut ⓘ Cuba ⓘ Province of Delaware ⓘ surface form: Delaware Florida ⓘ Georgia ⓘ surface form: Georgia (U.S. state) Maryland ⓘ New York ⓘ surface form: New York (state) North Carolina ⓘ Ontario ⓘ Pennsylvania ⓘ Quebec, Canada ⓘ surface form: Quebec South Carolina ⓘ Virginia ⓘ West Virginia ⓘ
agencyTrackedBy	National Hurricane Center ⓘ
basin	Atlantic Ocean ⓘ
caused	catastrophic flooding in the eastern United States ⓘ dam failures and levee overtopping ⓘ heavy rainfall over the Mid-Atlantic states ⓘ record flooding in New York ⓘ record flooding in Pennsylvania ⓘ severe inland flooding ⓘ storm surge along the Gulf Coast of Florida ⓘ widespread river flooding ⓘ
classification	Cape Verde-type system (late-stage) is not applicable ⓘ
countryAffected	Canada ⓘ Cuba ⓘ
countryMostAffected	United States of America ⓘ surface form: United States
currencyOfDamageCost	US dollar ⓘ surface form: United States dollar
damageCost	about 2.1 billion USD (1972) ⓘ over 10 billion USD (inflation-adjusted) ⓘ over 3 billion USD (1972, including indirect losses) ⓘ
dissipatedOn	1972-07-06 ⓘ
entered	Gulf of Mexico ⓘ
extratropicalRemnantsAffected	New England ⓘ eastern Canada ⓘ
floodRecord	record crest of the Susquehanna River at Harrisburg ⓘ record crest of the Susquehanna River at Wilkes-Barre ⓘ
formedOn	1972-06-14 ⓘ
impactedCity	Buffalo ⓘ surface form: Buffalo, New York Elmira, New York ⓘ Harrisburg, Pennsylvania ⓘ Richmond, Virginia ⓘ Washington, D.C. ⓘ Wilkes-Barre, Pennsylvania, United States ⓘ surface form: Wilkes-Barre, Pennsylvania
impactedRiver	Allegheny River ⓘ Genesee River ⓘ Juniata River ⓘ Monongahela River ⓘ Potomac River ⓘ Susquehanna River ⓘ
ledTo	changes in flood insurance and disaster relief programs in the United States ⓘ major improvements in U.S. flood control policies ⓘ
madeLandfallIn	Florida ⓘ New York ⓘ North Carolina ⓘ Florida Panhandle ⓘ surface form: Panhandle of Florida
maximumSustainedWinds	120 km/h ⓘ 75 mph ⓘ
meteorologicalOrigin	tropical disturbance in the Yucatán Peninsula region ⓘ
minimumCentralPressure	977 hPa ⓘ
namedAfter	Agnes ⓘ
nameRetiredFrom	Atlantic hurricane naming list ⓘ
nameRetiredIn	1973 ⓘ
notableFor	being the costliest U.S. hurricane on record at the time ⓘ extreme inland flooding rather than wind damage ⓘ historic flooding in the Potomac River basin ⓘ historic flooding in the Susquehanna River basin ⓘ
partOf	1972 Atlantic hurricane season ⓘ
rainfallPeak	over 12 inches in parts of New York ⓘ over 19 inches in parts of Pennsylvania ⓘ
reachedHurricaneStatusOn	1972-06-18 ⓘ
reachedTropicalStormStatusOn	1972-06-16 ⓘ
replacedBy	Hurricane name Allison (for future seasons) ⓘ
season	June 1972 ⓘ
totalFatalities	approximately 128 ⓘ over 120 people ⓘ
track	Caribbean Sea to Gulf of Mexico to U.S. East Coast ⓘ
transitionedTo	extratropical cyclone ⓘ

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: Hurricane Agnes 1972
Description of subject: Hurricane Agnes 1972 was a devastating Atlantic hurricane that caused catastrophic flooding and widespread damage across the eastern United States, particularly in June 1972.

Referenced by (3)

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

Northern Central Railway → affectedBy → Hurricane Agnes 1972 ⓘ

Susquehanna River → associatedWith → Hurricane Agnes 1972 ⓘ

this entity surface form: Hurricane Agnes flooding of 1972

Erie Lackawanna Railway → affectedBy → Hurricane Agnes 1972 ⓘ

this entity surface form: Hurricane Agnes