2009 Red River flood
E485044
The 2009 Red River flood was a major spring flood along the Red River of the North that caused extensive flooding and emergency responses in North Dakota, Minnesota, and Manitoba.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 2009 Red River flood canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4957309 — 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: 2009 Red River flood Context triple: [Red River of the North, hasFloodingEvent, 2009 Red River flood]
-
A.
1997 Red River flood
The 1997 Red River flood was a catastrophic spring flood along the Red River of the North that devastated communities in North Dakota, Minnesota, and Manitoba, causing widespread evacuations and extensive property damage.
-
B.
2003 Dead River flood
The 2003 Dead River flood was a major dam-failure-induced flooding event in Michigan’s Upper Peninsula that caused significant damage in and around the city of Marquette.
-
C.
Texas Flood
Texas Flood is the acclaimed 1983 debut studio album by blues guitarist Stevie Ray Vaughan and his band Double Trouble, known for revitalizing electric blues with its fiery guitar work and soulful performances.
-
D.
Great Sioux City Flood of 1892
The Great Sioux City Flood of 1892 was a devastating late-19th-century flood that inundated Sioux City, Iowa, causing widespread destruction and loss of life along the Missouri River.
-
E.
Great Flood of 1879
The Great Flood of 1879 was a catastrophic inundation of the city of Szeged in Hungary that destroyed most of the town and prompted a major reconstruction.
- 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: 2009 Red River flood Target entity description: The 2009 Red River flood was a major spring flood along the Red River of the North that caused extensive flooding and emergency responses in North Dakota, Minnesota, and Manitoba.
-
A.
1997 Red River flood
The 1997 Red River flood was a catastrophic spring flood along the Red River of the North that devastated communities in North Dakota, Minnesota, and Manitoba, causing widespread evacuations and extensive property damage.
-
B.
2003 Dead River flood
The 2003 Dead River flood was a major dam-failure-induced flooding event in Michigan’s Upper Peninsula that caused significant damage in and around the city of Marquette.
-
C.
Texas Flood
Texas Flood is the acclaimed 1983 debut studio album by blues guitarist Stevie Ray Vaughan and his band Double Trouble, known for revitalizing electric blues with its fiery guitar work and soulful performances.
-
D.
Great Sioux City Flood of 1892
The Great Sioux City Flood of 1892 was a devastating late-19th-century flood that inundated Sioux City, Iowa, causing widespread destruction and loss of life along the Missouri River.
-
E.
Great Flood of 1879
The Great Flood of 1879 was a catastrophic inundation of the city of Szeged in Hungary that destroyed most of the town and prompted a major reconstruction.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
flood
ⓘ
natural disaster ⓘ spring flood ⓘ |
| affectedArea |
Fargo, North Dakota
NERFINISHED
ⓘ
Grand Forks, North Dakota NERFINISHED ⓘ Moorhead, Minnesota NERFINISHED ⓘ Winnipeg, Manitoba NERFINISHED ⓘ rural communities along the Red River of the North ⓘ |
| cause |
above-average winter snowfall
ⓘ
heavy spring precipitation ⓘ ice jams ⓘ rapid snowmelt ⓘ |
| comparedTo | 1997 Red River flood NERFINISHED ⓘ |
| country |
Canada
ⓘ
United States of America ⓘ
surface form:
United States
|
| emergencyDeclaredBy |
Province of Manitoba
NERFINISHED
ⓘ
State of Minnesota NERFINISHED ⓘ State of North Dakota NERFINISHED ⓘ |
| endTime | 2009-04 ⓘ |
| federalEmergencyDeclaredBy | United States federal government NERFINISHED ⓘ |
| floodStageExceededDuration | several weeks in some locations ⓘ |
| followedBy | subsequent flood mitigation planning in the Red River Valley ⓘ |
| hasLanguageName | 2009 Red River flood NERFINISHED ⓘ |
| highestCrestDate | 2009-03-28 ⓘ |
| highestCrestLevel | approximately 40.84 feet at Fargo ⓘ |
| highestCrestLocation | Fargo, North Dakota NERFINISHED ⓘ |
| impact |
disruption of transportation routes
ⓘ
property damage in Manitoba ⓘ property damage in Minnesota ⓘ property damage in North Dakota ⓘ temporary closure of schools and businesses ⓘ |
| locatedIn |
Manitoba
ⓘ
Minnesota ⓘ North Dakota NERFINISHED ⓘ Red River Valley NERFINISHED ⓘ |
| mainRiver | Red River of the North NERFINISHED ⓘ |
| namedAfter | Red River of the North NERFINISHED ⓘ |
| naturalHazardType | riverine flooding ⓘ |
| notableFor |
extensive community sandbagging efforts
ⓘ
near-record crest levels at Fargo ⓘ prolonged high water levels ⓘ |
| partOf | history of flooding on the Red River of the North ⓘ |
| pointInTime | 2009 ⓘ |
| response |
deployment of National Guard units
ⓘ
evacuations in low-lying areas ⓘ large-scale sandbagging operations ⓘ temporary levee construction ⓘ use of icebreakers and ice-cutting on the Red River ⓘ |
| startTime | 2009-03 ⓘ |
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: 2009 Red River flood Description of subject: The 2009 Red River flood was a major spring flood along the Red River of the North that caused extensive flooding and emergency responses in North Dakota, Minnesota, and Manitoba.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.