India and Pakistan observed a cooler, wetter than average April and has begun May extremely cool compared to what is typically approaching the hottest time of year as the monsoon season nears.
April temp anomaly as per CDAS data, courtesy of Weatherbell.com.
Credit: weatherbell.com
May’s opening week!
Credit: weatherbell.com
https://twitter.com/extremetemps/status/1654091059968847874
Meanwhile, beneath an unusual strong anticyclone, the heat remains at ALL-TIME levels in the Southeast Asia.
Countless daily and even monthly heat records have fallen at local as well as national level.
NEW ALL-TIME NATIONAL RECORDS
VIETNAM: 44.2C at Tuong Duong (Nghe An Province) (May 2023)
LAOS: 43.5C at Luang Prabang (May 2023)
THAILAND; 45.4C at Tak (April 2023)
Capital city of Laos (Vientiane) sets new all-time record of 42.5C.
NEW MAY RECORD set in Cambodia: 41.C at Kratie and at Ponhea Kraek. (Only April 2016 was warmer)
NEW HOTTEST DAY & NIGHT FOR BANGKOK!
While Thailand set a new all-time record of 45.4C at Tak last month, the capital, Bangkok has just set a new all-time record high as well as warmest night in history with 41.0C and 30.9C respectively (31.1C at Don Muang Apt).
HOTTEST NIGHTS FOR THAILAND & LAOS IN THEIR HISTORY!
With a minimum of 32.5C, Sakon Nakhon just recorded Thailand’s hottest night on record. Also, with a minimum of 31.8C at Thakhek, this was the hottest night in Lao history.
April also saw the capital of Bangladesh, Dhaka record it’s hottest day since 1960 of 40.6C. (Record 42.3C set in 1960).
Meanwhile further north and China’s Hainan province just recorded it’s hottest day on record.
https://twitter.com/extremetemps/status/1654864977776324613
As made mention of in last month’s article, a strong contributing factor to such a heat wave ‘never seen in our lifetime’ can be linked to the once strong phase 8 of the madden julian oscillation (MJO) which forced enhanced sinking of air over the region as well as the fading La Nina. Regional drought (significant rainfall deficit last 30-90 days) and warmer than average SST’s in the Bay of Bengal and surrounding the Malay peninsula has played a role.
SST anomaly
Credit: Tropical Tidbits
Actual SST’s
Credit: Tropical Tidbits
Rainfall anomaly for past 30-days!
Credit: NOAA
Another factor to consider in the cause of these rising temperatures is the rapid growth in population across many cities across Asia and expansion of concrete which tends to absorb heat. The growth of the ‘urban heat island’ is most definitely a contributing factor to this heat waves, particularly across Asia.
Most above figures in this article is courtesy of Extreme Temperatures Around The World!
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