SPC
E41177
The Storm Prediction Center (SPC) is a U.S. National Weather Service facility responsible for forecasting severe convective weather such as tornadoes, hail, and damaging winds across the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SPC canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T318849 — 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: SPC Context triple: [Storm Prediction Center, abbreviation, SPC]
-
A.
SPC
The Pacific Community (SPC) is a principal scientific and technical intergovernmental organization that supports sustainable development and regional cooperation among Pacific Island countries and territories.
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B.
SPS
SPS is a high-energy circular particle accelerator at CERN that serves as a key injector for the Large Hadron Collider and supports a wide range of physics experiments.
-
C.
SPX
SPX is the ticker symbol for the S&P 500, a major U.S. stock market index tracking the performance of 500 large publicly traded companies.
-
D.
SP
SP is the official aircraft registration prefix used to identify airplanes registered in Poland.
-
E.
SPE
SPE is a landmark 1968 work in generative phonology by Noam Chomsky and Morris Halle that systematically analyzes the sound structure of English and helped shape modern linguistic theory.
- 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: SPC Target entity description: The Storm Prediction Center (SPC) is a U.S. National Weather Service facility responsible for forecasting severe convective weather such as tornadoes, hail, and damaging winds across the United States.
-
A.
SPC
The Pacific Community (SPC) is a principal scientific and technical intergovernmental organization that supports sustainable development and regional cooperation among Pacific Island countries and territories.
-
B.
SPS
SPS is a high-energy circular particle accelerator at CERN that serves as a key injector for the Large Hadron Collider and supports a wide range of physics experiments.
-
C.
SPX
SPX is the ticker symbol for the S&P 500, a major U.S. stock market index tracking the performance of 500 large publicly traded companies.
-
D.
SP
SP is the official aircraft registration prefix used to identify airplanes registered in Poland.
-
E.
SPE
SPE is a landmark 1968 work in generative phonology by Noam Chomsky and Morris Halle that systematically analyzes the sound structure of English and helped shape modern linguistic theory.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. federal government agency facility
ⓘ
meteorological organization ⓘ |
| abbreviation | SPC ⓘ |
| alsoKnownAs | SPC ⓘ |
| collaboratesWith |
National Severe Storms Laboratory
ⓘ
local National Weather Service forecast offices ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| field |
operational meteorology
ⓘ
severe storms meteorology ⓘ |
| focusesOn |
organized convective systems
ⓘ
severe thunderstorms ⓘ tornado outbreaks ⓘ |
| headquartersLocation |
Norman, Oklahoma
ⓘ
linked to:
Norman, Oklahoma, United States
|
| historicalPredecessor |
National Severe Storms Forecast Center
ⓘ
linked to:
Storm Prediction Center
|
| issuesProduct |
convective outlooks
ⓘ
fire weather outlooks ⓘ mesoscale discussions ⓘ severe thunderstorm watches ⓘ short-term severe weather forecasts ⓘ tornado watches ⓘ |
| jurisdiction |
United States
ⓘ
linked to:
United States of America
|
| languageOfWork | English ⓘ |
| locatedInCity | Norman ⓘ |
| locatedInCountry |
United States
ⓘ
linked to:
United States of America
|
| locatedInFacility | National Weather Center ⓘ |
| locatedInState | Oklahoma ⓘ |
| operatedBy | National Weather Service ⓘ |
| ownedBy |
United States federal government
ⓘ
linked to:
United States government
|
| parentOrganization |
National Centers for Environmental Prediction
ⓘ
National Oceanic and Atmospheric Administration ⓘ National Weather Service ⓘ |
| partOf |
National Centers for Environmental Prediction
ⓘ
National Oceanic and Atmospheric Administration ⓘ |
| responsibleFor |
damaging wind forecasts
ⓘ
forecasting severe convective weather ⓘ severe hail forecasts ⓘ tornado forecasts ⓘ |
| serviceArea |
adjacent coastal waters
ⓘ
contiguous United States ⓘ |
| typeOfForecasts |
day 1 convective outlooks
ⓘ
day 2 convective outlooks ⓘ day 3 convective outlooks ⓘ day 4–8 severe weather outlooks ⓘ |
| usesDataFrom |
numerical weather prediction models
ⓘ
satellite observations ⓘ surface weather observations ⓘ upper-air soundings ⓘ weather radar ⓘ |
| website | https://www.spc.noaa.gov/ ⓘ |
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: SPC Description of subject: The Storm Prediction Center (SPC) is a U.S. National Weather Service facility responsible for forecasting severe convective weather such as tornadoes, hail, and damaging winds across the United States.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.