Cyclone Gati Threatens Somalia With Two Years of Rain in Two Days
Furthermore, at one point before making landfall, Gati strengthened to sustained winds of 115 miles per hour, the equivalent of a Category 3 storm. It is the strongest storm on record for the entire geographical area.
"Gati is the strongest tropical cyclone that has been recorded in this region of the globe; further south than any category 3-equivalent cyclone in the North Indian Ocean," National Oceanic and Atmospheric Administration (NOAA) researcher Sam Lillo tweeted.
Gati is the strongest tropical cyclone that has been recorded in this region of the globe; further south than any c… https://t.co/p77EMJ3mUw— Sam Lillo (@Sam Lillo)1606064001.0
The climate crisis is making storms both stronger and wetter, and Gati is an example of both. First, it intensified rapidly. The storm began as an area of low pressure observed on Thursday by India's Meteorological Department (IMD), AccuWeather reported. By Sunday, it had strengthened to a tropical depression; 12 hours later, it was a severe cyclonic storm. Lillo noted that its 12-hour intensification was the largest on record in the basin.
Gati intensified partly because of warm ocean temperatures, according to AccuWeather. Other factors included low wind shear and the fact that it was relatively small, Lillo told NPR.
"With climate change we're seeing warmer ocean temperatures and a more moist atmosphere that's leading to a greater chance of rapid intensification for tropical cyclones like Gati," meteorologist and climate journalist Eric Holthaus told NPR. "Gati's strength is part of that broader global pattern of stronger storms."
Cyclone #Gati striking #Somalia with Category 2 force. https://t.co/qGdHTcDE3G https://t.co/QJ5RMCy0e7— UW-Madison CIMSS (@UW-Madison CIMSS)1606055767.0
The storm is also predicted to be very wet. Somalia usually experiences four inches of rain every year. Gati could dump eight inches, doubling that amount in just two days.
"The system may impact Socotra, Somalia, Yemen and western Oman from [Sunday] night into Monday and potentially Tuesday, with the main threat being heavy rain and flash flooding," AccuWeather Lead International Meteorologist Jason Nicholls said.
Holthaus noted on Twitter that Somalia only accounts for about 0.002 percent of the total greenhouse gases emitted since the start of the industrial revolution.
"Today, they're experiencing a rapidly strengthening tropical cyclone that will bring two years worth of rainfall in just two days," he wrote. "This is the heart of climate injustice."
Tropical Cyclone Gati landfalling in Somalia. https://t.co/3KQcpXgoTQ— CIRA (@CIRA)1606079944.0
There is usually an average of one cyclone in the Arabian Sea every year, The Indian Express reported. However, Gati is the second to form this year after Cyclone Nisarga made landfall south of Mumbai in June. The number of cyclones forming over the Arabian Sea has increased since 2015, according to IMD data reported by The Indian Express. There were four in 2019 and three in 2018. The uptick in activity has been linked to the climate crisis. The Intergovernmental Panel on Climate Change has found that the Arabian Sea's surface temperatures are rising.
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Figure 1. Departure of temperature from average for 2020, the second-warmest year the globe has seen since record-keeping began in 1880, according to NOAA. Record-high annual temperatures over land and ocean surfaces were measured across parts of Europe, Asia, southern North America, South America, and across parts of the Atlantic, Indian, and Pacific oceans. No land or ocean areas were record cold for the year. NOAA National Centers for Environmental Information
Figure 2. Total ocean heat content (OHC) in the top 2000 meters from 1958-2020. Cheng et al., Upper Ocean Temperatures Hit Record High in 2020, Advances in Atmospheric Sciences
Figure 3. Departure of sea surface temperature from average in the benchmark Niño 3.4 region of the eastern tropical Pacific (5°N-5°S, 170°W-120°W). Sea surface temperature were approximately one degree Celsius below average over the past month, characteristic of moderate La Niña conditions. Tropical Tidbits
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