National Oceanic and Atmospheric Administration (NOAA Boulder)
Planetary K-index
datasetobservational / measurementIndustry: Aerospace
- Category
- Data & Digital Tools
- Affiliations
- NOAA Boulder
Description
Planetary K-index (Kp), the 3-hour-range index from 13 geomagnetic observatories at 44–60° geomagnetic latitude, used by SWPC to characterize geomagnetic storms and decide on alerts and warnings; observed values available as chart JSON.
Official page
https://www.spaceweather.gov/products/planetary-k-index
Open official page (opens in a new tab)Access
- Access summary
- download
- Download or access
- The chart JSON is available at: Observed Planetary K Index (3 hour intervals).
Contact
- Contact
- (no name)
Details
- Keywords
- geomagnetic storms, kp index, geomagnetic observatories, space weather alerts, magnetic field disturbances
- Location
- Boulder, Colorado
- Temporal cadence
- 3-hour intervals
- Associated entity
- NOAA / NWS Space Weather Prediction Center
- Specifications
- The planetary 3-hour-range index Kp is the mean standardized K-index from 13 geomagnetic observatories between 44 degrees and 60 degrees northern or southern geomagnetic latitude.