Wednesday, May 22, 2019

April 2019: Earth's 2nd Warmest April on Record



Dr. Jeff Masters · May 22, 2019, 6:05 AM EDT

April 2019 was the planet's second warmest April since record keeping began in 1880, said NOAA's National Centers for Environmental Information (NCEI) on Monday. NASA also rated April 2019 as the second warmest April on record, behind 2016. Minor differences in rankings between NASA and NOAA can arise because of how they handle data-sparse regions such as the Arctic, where few surface weather stations exist. April 2019 was tied for having the 11th highest monthly temperature departure from average for any month in the NOAA record, and was the 12th warmest month in the NASA record (out of 1672 months). The top twelve hottest months on record have all occurred since 2015.

April 2019 was tied for having the 11th highest monthly temperature departure from average for any month in the NOAA record, and was the 12th warmest month in the NASA record (out of 1672 months). The top twelve hottest months on record have all occurred since 2015.

Global ocean temperatures during April 2019 were the second warmest on record, according to NOAA, and global land temperatures were the third warmest on record. The January through April year-to-date period was the third warmest on record. Global satellite-measured temperatures in April 2019 for the lowest 8 km of the atmosphere were the third warmest in the 41-year record, according to the University of Alabama Huntsville (UAH) and RSS.

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Arctic sea ice extent during April 2019 was the lowest in the 41-year satellite record, according to the National Snow and Ice Data Center (NSIDC), and was at record-low levels every day of the month. The previous low April extent occurred in 2016.

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Antarctic sea ice extent during April 2019 was the second lowest in the 41-year satellite record, behind the record-low year of 2017.

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Among global stations with a period of record of at least 40 years, 14 set new all-time heat records in April and 0 set all-time cold records.

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Highest minimum temperature ever recorded in the Southern Hemisphere: 35.9°C (96.6°F) at Noona, Australia, 18 January. The record was beaten again on 26 January, with a minimum temperature of 36.6°C (97.9°F) recorded at Borrona Downs, Australia. This is also the highest minimum temperature on record for the globe for the month of January.

Highest temperature ever recorded in the world in March: 48.1°C (118.6°F) on 10 March at Roebourne, Australia.

Highest temperature ever recorded in Asia in March: 46.9°C (116.4°F) at Kapde, India, 25 March. The data comes from a state (not central government) station, and may not be officially recognized, but is supported by data from several nearby stations.

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