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April 2023 was Earth’s fourth warmest on record

Southern Hemisphere saw its warmest month on record; Global ocean temperature reached a record high for April
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U.S. dominated by remarkable warmth so far in 2023
Speed restrictions reduce chance of vessel collisions with right whales
NOAA, Proteus Ocean Group to explore uses of groundbreaking underwater lab
Educators set sail, join NOAA scientists for 2023 Teacher at Sea field season
More NOAA news and features
SATELLITES
Satellites
Animation of a severe geomagnetic storm (G4) on Earth April 23. The G4 storm was caused by a filament eruption on the sun associated with a solar flare. The event was captured by the Solar Ultraviolet Imager on NOAA’s GOES-16 satellite at 2:12 p.m. EDT April 21, 2023.
What a severe geomagnetic storm looks like
ASIAN PACIFIC AMERICAN HERITAGE MONTH
Across NOAA
Photograph shows a Chinese American baseball team from Hawaii which came to the United States to play against university teams. This team played Columbia University's team on May 31, 1914. 
What Asian Pacific American Heritage Month means to me
NOAA HERITAGE
Weather
An early 20th century barocyclonometer. The dark wooden case is closed and bears a sticker with "cyclonometer" written on it.
Friday Find: The barocyclonometer, a hurricane detection relic from an age of unrest and exploration
The barocyclonometer: A hurricane detection relic from an age of unrest and exploration
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