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Tropical Storm Arthur, the first named storm of the 2026 Atlantic hurricane season, brought high winds and heavy rain to the U.S. Gulf Coast in mid-June.<\/p>\n
NASA\u2019s Terra<\/a> satellite\u00a0captured this natural-color image (left) at 10:30 a.m. Central Time (15:30 Universal Time) on June 17. The second image (right) depicts infrared signals known as brightness temperature, which help distinguish cooler cloud tops (white and purple) from the warmer surface below (yellow and orange). Around the time these images were acquired, the system had just recently been designated a tropical storm, according to the National Hurricane Center<\/a> (NHC).<\/p>\nThough Arthur stayed below hurricane strength, it still delivered strong winds to parts of the Gulf Coast as it tracked northeast. The storm had maximum sustained winds of 40 miles (65 kilometers) per hour around the time these images were captured. Tropical-storm-force winds extended 175 miles (280 kilometers) from the storm\u2019s center, the NHC reported<\/a>. Measurements at Galveston, Texas, for instance, showed a gust of 48 miles per hour.<\/p>\nThe storm also produced heavy rainfall that the National Weather Service warned<\/a> could lead to life-threatening flash flooding. Estimates from\u00a0IMERG<\/a>\u00a0(the Integrated Multi-Satellite Retrievals for GPM), a product of the\u00a0GPM<\/a>\u00a0(Global Precipitation Measurement) mission, showed high rainfall rates<\/a> over Gulf waters and extending inland on June 17. <\/p>\nAs Arthur weakened and became less organized, it continued to bring abundant moisture to central Gulf Coast states on June 18. The National Weather Service reported rainfall rates of 3 inches (7.6 centimeters) per hour in southeastern Louisiana. Forecasts indicated that storm-total rainfall amounts could exceed 12 inches (30 centimeters) in areas, with some locations seeing totals approaching 20 inches (51 centimeters).<\/p>\n<\/div>\nNASA Earth Observatory images by Michala Garrison, using MODIS data from NASA\u00a0<\/em>EOSDIS LANCE<\/em><\/a>\u00a0and\u00a0<\/em>GIBS\/Worldview<\/em><\/a>.\u00a0Story by Kathryn Hansen. <\/em><\/p>\n\n\n\n\n\n\t\t\t\t\tDownloads\t\t\t\t<\/h2>\n<\/div>\n\n\n\t\t\t\t\t\t\t\t\t<\/div>\n<\/div>\n<\/div>\n\n\n\n<\/figure>\n<\/div>\n<\/div>\n\n\nJune 17, 2026: Natural color <\/h2>\n<\/div>\n\n\n\n<\/div>\n\nJPEG (2.94 MB)<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\t\t\t\t\t\n\t\t\t\t\t\t<\/circle><\/path><\/path><\/svg>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n<\/div>\n\n\n\n<\/figure>\n<\/div>\n<\/div>\n\n\nJune 17, 2026: Brightness temperature<\/h2>\n<\/div>\n\n\n\n<\/div>\n\nJPEG (2.51 MB)<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\t\t\t\t\t\n\t\t\t\t\t\t<\/circle><\/path><\/path><\/svg>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n<\/div>\n<\/div>\n<\/div>\nReferences & Resources<\/h2>\n\nNational Hurricane Center (2026, June 17) Tropical Storm ARTHUR Advisory Archive<\/a>. Accessed June 18, 2026.<\/li>\nNational Public Radio (2026, June 17) Tropical Storm Arthur is the first named storm of the Atlantic hurricane season<\/a>. Accessed June 18, 2026.<\/li>\nNational Weather Service, Office of Water Prediction (2026, June 18) Experimental: Tropical Flood Hazard Outlook Product Archive<\/a>. Accessed June 18, 2026.<\/li>\n<\/ul>\n\n\n\n\n\nYou may also be interested in:<\/h2>\nStay up-to-date with the latest content from NASA as we explore the universe and discover more about our home planet.<\/p>\n<\/div>\n<\/div>\n\n\n\n<\/div>\n<\/div>\n\n<\/span><\/div>\n<\/div>\n\n\n <\/p>\n<\/figure>\n<\/p>\n<\/a><\/p>\n\n <\/p>\nTyphoon Jangmi<\/div>\n<\/p>\n<\/a><\/p>\n\n 2 min read <\/div>\nThe sprawling storm promised to deliver torrential rain across a wide swath of southern Japan.<\/p>\n
Though Arthur stayed below hurricane strength, it still delivered strong winds to parts of the Gulf Coast as it tracked northeast. The storm had maximum sustained winds of 40 miles (65 kilometers) per hour around the time these images were captured. Tropical-storm-force winds extended 175 miles (280 kilometers) from the storm\u2019s center, the NHC reported<\/a>. Measurements at Galveston, Texas, for instance, showed a gust of 48 miles per hour.<\/p>\nThe storm also produced heavy rainfall that the National Weather Service warned<\/a> could lead to life-threatening flash flooding. Estimates from\u00a0IMERG<\/a>\u00a0(the Integrated Multi-Satellite Retrievals for GPM), a product of the\u00a0GPM<\/a>\u00a0(Global Precipitation Measurement) mission, showed high rainfall rates<\/a> over Gulf waters and extending inland on June 17. <\/p>\nAs Arthur weakened and became less organized, it continued to bring abundant moisture to central Gulf Coast states on June 18. The National Weather Service reported rainfall rates of 3 inches (7.6 centimeters) per hour in southeastern Louisiana. Forecasts indicated that storm-total rainfall amounts could exceed 12 inches (30 centimeters) in areas, with some locations seeing totals approaching 20 inches (51 centimeters).<\/p>\n<\/div>\nNASA Earth Observatory images by Michala Garrison, using MODIS data from NASA\u00a0<\/em>EOSDIS LANCE<\/em><\/a>\u00a0and\u00a0<\/em>GIBS\/Worldview<\/em><\/a>.\u00a0Story by Kathryn Hansen. <\/em><\/p>\n\n\n\n\n\n\t\t\t\t\tDownloads\t\t\t\t<\/h2>\n<\/div>\n\n\n\t\t\t\t\t\t\t\t\t<\/div>\n<\/div>\n<\/div>\n\n\n\n<\/figure>\n<\/div>\n<\/div>\n\n\nJune 17, 2026: Natural color <\/h2>\n<\/div>\n\n\n\n<\/div>\n\nJPEG (2.94 MB)<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\t\t\t\t\t\n\t\t\t\t\t\t<\/circle><\/path><\/path><\/svg>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n<\/div>\n\n\n\n<\/figure>\n<\/div>\n<\/div>\n\n\nJune 17, 2026: Brightness temperature<\/h2>\n<\/div>\n\n\n\n<\/div>\n\nJPEG (2.51 MB)<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\t\t\t\t\t\n\t\t\t\t\t\t<\/circle><\/path><\/path><\/svg>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n<\/div>\n<\/div>\n<\/div>\nReferences & Resources<\/h2>\n\nNational Hurricane Center (2026, June 17) Tropical Storm ARTHUR Advisory Archive<\/a>. Accessed June 18, 2026.<\/li>\nNational Public Radio (2026, June 17) Tropical Storm Arthur is the first named storm of the Atlantic hurricane season<\/a>. Accessed June 18, 2026.<\/li>\nNational Weather Service, Office of Water Prediction (2026, June 18) Experimental: Tropical Flood Hazard Outlook Product Archive<\/a>. Accessed June 18, 2026.<\/li>\n<\/ul>\n\n\n\n\n\nYou may also be interested in:<\/h2>\nStay up-to-date with the latest content from NASA as we explore the universe and discover more about our home planet.<\/p>\n<\/div>\n<\/div>\n\n\n\n<\/div>\n<\/div>\n\n<\/span><\/div>\n<\/div>\n\n\n <\/p>\n<\/figure>\n<\/p>\n<\/a><\/p>\n\n <\/p>\nTyphoon Jangmi<\/div>\n<\/p>\n<\/a><\/p>\n\n 2 min read <\/div>\nThe sprawling storm promised to deliver torrential rain across a wide swath of southern Japan.<\/p>\n
The storm also produced heavy rainfall that the National Weather Service warned<\/a> could lead to life-threatening flash flooding. Estimates from\u00a0IMERG<\/a>\u00a0(the Integrated Multi-Satellite Retrievals for GPM), a product of the\u00a0GPM<\/a>\u00a0(Global Precipitation Measurement) mission, showed high rainfall rates<\/a> over Gulf waters and extending inland on June 17. <\/p>\nAs Arthur weakened and became less organized, it continued to bring abundant moisture to central Gulf Coast states on June 18. The National Weather Service reported rainfall rates of 3 inches (7.6 centimeters) per hour in southeastern Louisiana. Forecasts indicated that storm-total rainfall amounts could exceed 12 inches (30 centimeters) in areas, with some locations seeing totals approaching 20 inches (51 centimeters).<\/p>\n<\/div>\nNASA Earth Observatory images by Michala Garrison, using MODIS data from NASA\u00a0<\/em>EOSDIS LANCE<\/em><\/a>\u00a0and\u00a0<\/em>GIBS\/Worldview<\/em><\/a>.\u00a0Story by Kathryn Hansen. <\/em><\/p>\n\n\n\n\n\n\t\t\t\t\tDownloads\t\t\t\t<\/h2>\n<\/div>\n\n\n\t\t\t\t\t\t\t\t\t<\/div>\n<\/div>\n<\/div>\n\n\n\n<\/figure>\n<\/div>\n<\/div>\n\n\nJune 17, 2026: Natural color <\/h2>\n<\/div>\n\n\n\n<\/div>\n\nJPEG (2.94 MB)<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\t\t\t\t\t\n\t\t\t\t\t\t<\/circle><\/path><\/path><\/svg>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n<\/div>\n\n\n\n<\/figure>\n<\/div>\n<\/div>\n\n\nJune 17, 2026: Brightness temperature<\/h2>\n<\/div>\n\n\n\n<\/div>\n\nJPEG (2.51 MB)<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\t\t\t\t\t\n\t\t\t\t\t\t<\/circle><\/path><\/path><\/svg>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n<\/div>\n<\/div>\n<\/div>\nReferences & Resources<\/h2>\n\nNational Hurricane Center (2026, June 17) Tropical Storm ARTHUR Advisory Archive<\/a>. Accessed June 18, 2026.<\/li>\nNational Public Radio (2026, June 17) Tropical Storm Arthur is the first named storm of the Atlantic hurricane season<\/a>. Accessed June 18, 2026.<\/li>\nNational Weather Service, Office of Water Prediction (2026, June 18) Experimental: Tropical Flood Hazard Outlook Product Archive<\/a>. Accessed June 18, 2026.<\/li>\n<\/ul>\n\n\n\n\n\nYou may also be interested in:<\/h2>\nStay up-to-date with the latest content from NASA as we explore the universe and discover more about our home planet.<\/p>\n<\/div>\n<\/div>\n\n\n\n<\/div>\n<\/div>\n\n<\/span><\/div>\n<\/div>\n\n\n <\/p>\n<\/figure>\n<\/p>\n<\/a><\/p>\n\n <\/p>\nTyphoon Jangmi<\/div>\n<\/p>\n<\/a><\/p>\n\n 2 min read <\/div>\nThe sprawling storm promised to deliver torrential rain across a wide swath of southern Japan.<\/p>\n
As Arthur weakened and became less organized, it continued to bring abundant moisture to central Gulf Coast states on June 18. The National Weather Service reported rainfall rates of 3 inches (7.6 centimeters) per hour in southeastern Louisiana. Forecasts indicated that storm-total rainfall amounts could exceed 12 inches (30 centimeters) in areas, with some locations seeing totals approaching 20 inches (51 centimeters).<\/p>\n
NASA Earth Observatory images by Michala Garrison, using MODIS data from NASA\u00a0<\/em>EOSDIS LANCE<\/em><\/a>\u00a0and\u00a0<\/em>GIBS\/Worldview<\/em><\/a>.\u00a0Story by Kathryn Hansen. <\/em><\/p>\n\n\n\n\n\n\t\t\t\t\tDownloads\t\t\t\t<\/h2>\n<\/div>\n\n\n\t\t\t\t\t\t\t\t\t<\/div>\n<\/div>\n<\/div>\n\n\n\n<\/figure>\n<\/div>\n<\/div>\n\n\nJune 17, 2026: Natural color <\/h2>\n<\/div>\n\n\n\n<\/div>\n\nJPEG (2.94 MB)<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\t\t\t\t\t\n\t\t\t\t\t\t<\/circle><\/path><\/path><\/svg>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n<\/div>\n\n\n\n<\/figure>\n<\/div>\n<\/div>\n\n\nJune 17, 2026: Brightness temperature<\/h2>\n<\/div>\n\n\n\n<\/div>\n\nJPEG (2.51 MB)<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\t\t\t\t\t\n\t\t\t\t\t\t<\/circle><\/path><\/path><\/svg>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n<\/div>\n<\/div>\n<\/div>\nReferences & Resources<\/h2>\n\nNational Hurricane Center (2026, June 17) Tropical Storm ARTHUR Advisory Archive<\/a>. Accessed June 18, 2026.<\/li>\nNational Public Radio (2026, June 17) Tropical Storm Arthur is the first named storm of the Atlantic hurricane season<\/a>. Accessed June 18, 2026.<\/li>\nNational Weather Service, Office of Water Prediction (2026, June 18) Experimental: Tropical Flood Hazard Outlook Product Archive<\/a>. Accessed June 18, 2026.<\/li>\n<\/ul>\n\n\n\n\n\nYou may also be interested in:<\/h2>\nStay up-to-date with the latest content from NASA as we explore the universe and discover more about our home planet.<\/p>\n<\/div>\n<\/div>\n\n\n\n<\/div>\n<\/div>\n\n<\/span><\/div>\n<\/div>\n\n\n <\/p>\n<\/figure>\n<\/p>\n<\/a><\/p>\n\n <\/p>\nTyphoon Jangmi<\/div>\n<\/p>\n<\/a><\/p>\n\n 2 min read <\/div>\nThe sprawling storm promised to deliver torrential rain across a wide swath of southern Japan.<\/p>\n
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Stay up-to-date with the latest content from NASA as we explore the universe and discover more about our home planet.<\/p>\n<\/div>\n<\/div>\n
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The sprawling storm promised to deliver torrential rain across a wide swath of southern Japan.<\/p>\n