Meteorological engineer Mehrez Ghannouchi looks at screens during an interview with Reuters at the National Institute of Meteorology headquarters, in Tunis, Tunisia August 11, 2021. REUTERS/Jihed Abidellaoui

A general view shows the National Institute of Meteorology headquarters, in Tunis, Tunisia August 11, 2021. REUTERS/Jihed Abidellaoui

An official from the Meteorology, Climatology, and Geophysics Council stands near a telescope which is used to view the moon, ahead of the holy fasting month of Ramadan to mark its beginning, in Jakarta, Indonesia, April 12, 2021. REUTERS/Ajeng Dinar Ulfiana

Officials from the Meteorology, Climatology, and Geophysics Council use a telescope at a beach to view the moon, ahead of the holy fasting month of Ramadan to mark its beginning, in Jakarta, Indonesia, April 12, 2021. REUTERS/Ajeng Dinar Ulfiana

An official from the Meteorology, Climatology, and Geophysics Council uses a telescope at a beach to view the moon, ahead of the holy fasting month of Ramadan to mark its beginning, in Jakarta, Indonesia, April 12, 2021. REUTERS/Ajeng Dinar Ulfiana

An official from the Meteorology, Climatology, and Geophysics Council uses a telescope at a beach to view the moon, ahead of the holy fasting month of Ramadan to mark its beginning, in Jakarta, Indonesia, April 12, 2021. REUTERS/Ajeng Dinar Ulfiana

An official from the Meteorology, Climatology, and Geophysics Council uses a telescope at a beach to view the moon, ahead of the holy fasting month of Ramadan to mark its beginning, in Jakarta, Indonesia, April 12, 2021. REUTERS/Ajeng Dinar Ulfiana

Local Vasso Mela walks next to a meteorological antenna on Mount Dirfys on the island of Evia, Greece, April 7, 2021. Picture taken April 7, 2021. REUTERS/Alkis Konstantinidis

An officer of Indonesia's Meteorology, Climatology and Geophysics Agency (BMKG) reacts as he observes on a screen the weather condition, inside a temporarily tent at the Tanjung Priok port, following the air crash of Sriwijaya Air flight SJ 182, in Jakarta, Indonesia, January 10, 2021. REUTERS/Willy Kurniawan

A scientist at India Meteorological Department Earth System Science Organisation, points to a section of the screen showing the position of the Cyclone Amphan to media people inside his office in Kolkata, India, May 19, 2020. REUTERS/Rupak De Chowdhuri

Men react beside a theodolite to look for the new moon that will mark the start of the holy month of Ramadan, amid spread of the coronavirus disease (COVID-19), from the Pakistan's Meteorological Department (PMD) building in Karachi, Pakistan April 23, 2020. REUTERS/Akhtar Soomro

Members of the media (R) take pictures of Pakistan's moon sighting committee, as they use a telescope to look for the new moon that will mark the start of the holy month of Ramadan, amid spread of the coronavirus disease (COVID-19), from the Pakistan's Meteorological Department (PMD) building in Karachi, Pakistan April 23, 2020. REUTERS/Akhtar Soomro

A man is silhouetted against the setting sun as he adjusts a theodolite to look for the new moon that will mark the start of the holy month of Ramadan, amid spread of the coronavirus disease (COVID-19), from the Pakistan's Meteorological Department (PMD) building in Karachi, Pakistan April 23, 2020. REUTERS/Akhtar Soomro

Members of Pakistan's moon sighting committee perform evening prayers after they tried to look for the new moon that will mark the start of the holy month of Ramadan, amid spread of the coronavirus disease (COVID-19), at the Pakistan's Meteorological Department (PMD) building in Karachi, Pakistan April 23, 2020. REUTERS/Akhtar Soomro

A man adjusts a compass to find direction before installing a theodolite to look for the new moon that will mark the start of the holy month of Ramadan, amid the spread of the coronavirus disease (COVID-19), from the Pakistan's Meteorological Department (PMD) building in Karachi, Pakistan April 23, 2020. REUTERS/Akhtar Soomro TPX IMAGES OF THE DAY

The speech of World Meteorological Organization (WMO) Secretary-General Petteri Taalas is displayed on a screen at the opening of the high-level segment of the COP25 in Madrid, Spain, December 10, 2019. REUTERS/Susana Vera

Carolina Schmidt, Chile's Minister of Environment and new President of the 2019 U.N. Climate Change Conference (COP25), Patricia Espinosa, Executive Secretary of the UN Framework Convention on Climate Change, World Meteorological Organization (WMO) Secretary-General Petteri Taalas,Tijjani Muhammad-Bande, President of the UN General Assembly, and Spain's Energy and Environment Minister Teresa Ribera attend the opening of the high-level segment of the COP25 in Madrid, Spain, December 10, 2019. REUTERS/Susana Vera

World Meteorological Organization (WMO) Secretary-General Petteri Taalas talks to Spain's Energy and Environment Minister Teresa Ribera at the opening of the high-level segment of the COP25 in Madrid, Spain, December 10, 2019. REUTERS/Susana Vera

World Meteorological Organization (WMO) Secretary-General Petteri Taalas speaks at the opening of the high-level segment of the COP25 in Madrid, Spain, December 10, 2019. REUTERS/Susana Vera

World Meteorological Organization (WMO) Secretary-General Petteri Taalas speaks at the opening of the high-level segment of the COP25 in Madrid, Spain, December 10, 2019. REUTERS/Susana Vera

World Meteorological Organization (WMO) Secretary-General Petteri Taalas attends the U.N. climate change conference (COP25) in Madrid, Spain, December 3, 2019. REUTERS/Susana Vera

World Meteorological Organization (WMO) Secretary-General Petteri Taalas speaks during the U.N. climate change conference (COP25) in Madrid, Spain, December 3, 2019. REUTERS/Susana Vera

World Meteorological Organization (WMO) Secretary-General Petteri Taalas gestures during the U.N. climate change conference (COP25) in Madrid, Spain, December 3, 2019. REUTERS/Susana Vera

World Meteorological Organization (WMO) Secretary-General Petteri Taalas speaks during the U.N. climate change conference (COP25) in Madrid, Spain, December 3, 2019. REUTERS/Susana Vera

World Meteorological Organization (WMO) Secretary-General Petteri Taalas speaks during the U.N. climate change conference (COP25) in Madrid, Spain, December 3, 2019. REUTERS/Susana Vera

World Meteorological Organization (WMO) Secretary-General Petteri Taalas speaks during the U.N. climate change conference (COP25) in Madrid, Spain, December 3, 2019. REUTERS/Susana Vera

Geese fly overhead on the first day of the meteorological winter in Pitlochry, Scotland, Britain December 1, 2019. REUTERS/Russell Cheyne

A hard frost is seen on the first day of the meteorological winter in Pitlochry, Scotland, Britain December 1, 2019. REUTERS/Russell Cheyne

A hard frost is seen on the first day of the meteorological winter in Pitlochry, Scotland, Britain December 1, 2019. REUTERS/Russell Cheyne

A hard frost is seen on the first day of the meteorological winter in Pitlochry, Scotland, Britain December 1, 2019. REUTERS/Russell Cheyne

The sun starts to break through the clouds on the first day of the meteorological winter in Pitlochry, Scotland, Britain December 1, 2019. REUTERS/Russell Cheyne

A hard frost is seen on the first day of the meteorological winter in Pitlochry, Scotland, Britain December 1, 2019. REUTERS/Russell Cheyne

A hard frost is seen on the first day of the meteorological winter in Pitlochry, Scotland, Britain December 1, 2019. REUTERS/Russell Cheyne

Clouds gather but produce no rain as cracks are seen in the dried up municipal dam in drought-stricken Graaff-Reinet, South Africa, November 14, 2019. Picture taken November 14, 2019. REUTERS/Mike Hutchings TPX IMAGES OF THE DAY

Clouds gather but produce no rain as cracks are seen in the dried up municipal dam in drought-stricken Graaff-Reinet, South Africa, November 14, 2019. Picture taken November 14, 2019. REUTERS/Mike Hutchings

A dead lamb lies in the veld on a farm near drought-stricken Graaff-Reinet, South Africa, November 16, 2019. Picture taken November 16, 2019. REUTERS/Mike Hutchings TPX IMAGES OF THE DAY

Cracks are seen in the dried up municipal dam in drought-stricken Graaff-Reinet, South Africa, November 14, 2019. Picture taken November 14, 2019. REUTERS/Mike Hutchings

A view shows dried cracked up soil on the edge of the Lake Wegnia, in Sahel region of Koulikoro, Mali November 23, 2019. Picture taken November 23, 2019. REUTERS/Arouna Sissoko

Lightnings strike in the sea off the shore of Artemida, Greece, November 26, 2019. REUTERS/Vassilis Triandafyllou

A lightning strikes over the sea off the shore of Artemida, Greece, November 26, 2019. REUTERS/Vassilis Triandafyllou

Lightnings strike in the sea off the shore of Artemida, Greece, November 26, 2019. REUTERS/Vassilis Triandafyllou

World Meteorological Organization (WMO) Secretary-General Petteri Taalas attends a news conference at the United Nations in Geneva, Switzerland, November 25, 2019. REUTERS/Denis Balibouse

World Meteorological Organization (WMO) Secretary-General Petteri Taalas attends a news conference at the United Nations in Geneva, Switzerland, November 25, 2019. REUTERS/Denis Balibouse

World Meteorological Organization (WMO) Secretary-General Petteri Taalas attends a news conference at the United Nations in Geneva, Switzerland, November 25, 2019. REUTERS/Denis Balibouse

World Meteorological Organization (WMO) Secretary-General Petteri Taalas attends a news conference at the United Nations in Geneva, Switzerland, November 25, 2019. REUTERS/Denis Balibouse

World Meteorological Organization (WMO) Secretary-General Petteri Taalas attends a news conference at the United Nations in Geneva, Switzerland, November 25, 2019. REUTERS/Denis Balibouse

World Meteorological Organization (WMO) Secretary-General Petteri Taalas attends a news conference at the United Nations in Geneva, Switzerland, November 25, 2019. REUTERS/Denis Balibouse

World Meteorological Organization (WMO) Secretary-General Petteri Taalas attends a news conference at the United Nations in Geneva, Switzerland, November 25, 2019. REUTERS/Denis Balibouse

The Aurora Borealis is visible from a plane at 37,000 feet above the Labrador Sea and the North Atlantic Ocean between Canada and Greenland, November 22, 2019. Picture taken November 22, 2019. REUTERS/Jim Urquhart

The Aurora Borealis is visible from a plane at 37,000 feet above the Labrador Sea and the North Atlantic Ocean between Canada and Greenland, November 22, 2019. Picture taken November 22, 2019. REUTERS/Jim Urquhart

Car is seen covered with snow in village of Iselsberg, Austria, November 14, 2019. REUTERS/Antonio Bronic

Britain's Prince Charles is briefed by an official during his visit to Indian Meteorological Department (IMD) in New Delhi, India, November 13, 2019. REUTERS/Altaf Hussain

Britain's Prince Charles speaks with an official during his visit to Indian Meteorological Department (IMD) in New Delhi, India, November 13, 2019. REUTERS/Altaf Hussain

A lightning strikes in the sea off the shore of Artemida, Greece, November 13, 2019. REUTERS/Vassilis Triandafyllou

Britain's Prince Charles rides an electric rickshaw as he visits Indian Meteorological Department (IMD) in New Delhi, India, November 13, 2019. REUTERS/Altaf Hussain

Britain's Prince Charles visits Indian Meteorological Department (IMD) in New Delhi, India, November 13, 2019. REUTERS/Altaf Hussain

Britain's Prince Charles visits Indian Meteorological Department (IMD) in New Delhi, India, November 13, 2019. REUTERS/Altaf Hussain

Waves crash against a lighthouse during a windy day in Boulogne-sur-Mer, France, 2 November, 2019. REUTERS/Pascal Rossignol

Waves crash against a lighthouse during a windy day in Boulogne-sur-Mer, France, 2 November, 2019. REUTERS/Pascal Rossignol

Waves crash against a lighthouse during a windy day in Boulogne-sur-Mer, France, 2 November, 2019. REUTERS/Pascal Rossignol