VIIRS (SNPP) Level 3 | NOAA CoastWatch

NOAA CoastWatch / OceanWatch / PolarWatch produces Level 3 sea surface temperature datasets using the VIIRS sensor aboard the SNPP satellite.

Data Access

Data Tool Links

HTTPS

Sample Filenames

2016_300_0530_npp_er.hdf [YYYY_JJJ_HHMM_PPP_RR.[png, tif, hdf]

Product Overview

Product Details

Short Names	VIIRS_L3
Temporal Coverage	Near real-time + 3 days
Product Families	Sea Surface Temperature
Measurements	Sea Surface Temperature - Polar-orbiting
Processing Levels	Level 3
Latency Groups	0 Hours <= 24 Hours (NRT)
Latency Details	Less than 24 hours
Spatial Resolution Groups	100m < 2km
Spatial Resolution Details	750m @ Nadir; ~1.7km at swath edge
Data Providers	NOAA NESDIS STAR

Spatial Coverage

CoastWatch US Regions

Description	Also known as the CoastWatch Regional Nodes: OceanWatch Central Pacific, PolarWatch, Great Lakes, East Coast, Atlantic OceanWatch - Caribbean - Gulf of Mexico, WaterWatch (inland rivers), West Coast

Platforms

Description	Suomi National Polar-orbiting Partnership
Platform Type	Low Earth Orbit Satellite (LEO)
Instruments	VIIRS
Organizations	NASA NOAA
Orbital Altitude	833 km
Equatorial Crossing Times	13:25 asc

Instruments

Description	Visible Infrared Imaging Radiometer Suite
Platforms	NOAA SNPP
Instrument Types	Imager
Organizations	NASA

2024-09-03	New experimental mesoscale eddy products
2024-08-26	Hardware issues result in inaccessible data
2024-08-15	Sea surface temperature processing issues
2024-07-01	CoastWatch data distribution issues (update #1: 08 July 2024)
2024-05-30	S-NPP GPS and data geolocation issue