Hurricane Tracker Shows Typhoon Krovanh Triggering Record Rain and Landslide Alert in Japan
Hurricane tracker reports show Typhoon Krovanh and associated tropical systems have triggered extreme rainfall and a highest-level landslide warning in Japan's Yakushima island town, while severe thunderstorms with damaging winds and hail struck parts of the central United States and forest fires in Indonesia spread haze across Southeast Asia.
Japan Issues Highest-Level Landslide Warning for Yakushima
The Japan Meteorological Agency issued a Level 5 landslide warning for Yakushima in Kagoshima Prefecture at 5:10 a.m. Saturday due to heavy rain from linear precipitation zones linked to Typhoon Krovanh and a tropical depression, recording 490.5 mm of rain in 24 hours. [4] The warning was downgraded to Level 4 at 11:30 a.m. [4] In the Onoaida district of the town, 24-hour rainfall reached 490.5 millimeters until 5:30 a.m., hitting a record high for the area. [4] A maximum instantaneous wind speed of 25.9 meters per second was registered shortly after 12:30 a.m. Saturday. [4] The Cabinet Office said Saturday that the Kagoshima prefectural government has decided to apply the disaster relief law to the town of Yakushima, with costs including for setting up evacuation centers covered by the central and prefectural governments. [4]
Typhoon Krovanh Position and Regional Weather Outlook
Typhoon Krovanh was located north of Okinawa with sustained winds of 20 m/s. [4] At 9 a.m. Saturday, Typhoon Krovanh was traveling south-southwest over the sea about 170 kilometers north of the Okinawa island of Kumejima at a speed of 15 kilometers per hour. [4] It had a central atmospherical pressure of 990 hectopascals, registering a maximum sustained wind speed of 20 meters per second and a maximum instantaneous wind speed of 30 meters per second. [4] Wind speeds were 15 meters per second or more in areas within about 440 km northwest and 280 km southeast of the center of the typhoon. [4] Heavy rain is forecast across parts of Japan through Sunday, with up to 200 mm expected in southern Kyushu. [4] In the 24 hours until 6 a.m. Sunday, rainfall is forecast to reach up to 200 mm in the southern part of the Kyushu region, up to 180 mm in the Amami Islands region of Kagoshima, up to 100 mm in the Tokai central region and up to 80 mm in Okinawa, the Kinki western region and the Kanto-Koshin eastern to central regions. [4]
Severe Thunderstorms Strike Midwest United States
Severe Thunderstorm Warnings were issued for Hillsdale County, Michigan, with 60 mph winds, penny-size hail, and for Beadle County, South Dakota, with 60 mph winds and quarter-size hail, both radar-indicated. [1] [3] At 142 AM EDT, a severe thunderstorm was located near Fayette, or 9 miles southwest of Morenci, moving southeast at 30 mph. [1] Hazard details include 60 mph wind gusts and penny size hail from radar indicated sources, with expected damage to roofs, siding, and trees. [1] Locations impacted include Pioneer, Ransom, Betzer, and Alvordton. [1] At 1239 AM CDT, a severe thunderstorm was located near Wessington Springs, or 27 miles northeast of Kimball, moving northeast at 30 mph. [3] Hazard details include 60 mph wind gusts and quarter size hail from radar indicated sources, with hail damage to vehicles expected and wind damage to roofs, siding, and trees. [3] This severe storm will be near Wessington Springs around 1245 AM CDT. [3]
Indonesia Coordinates ASEAN Response to Spreading Haze
Indonesia activated ASEAN Regional Alert Level 3 on Aug. 26, 2026, for transboundary haze from forest fires, with sharply increased hotspots in Kalimantan and Sumatra provinces spreading to Malaysia, Singapore, Brunei and the Philippines. [2] Indonesia's Ministry of Foreign Affairs has assured that the government continues addressing the cross-border impacts of forest and land fires through regional cooperation. [2] Vahd Nabyl A. Mulachela, spokesperson for the Ministry of Foreign Affairs, said Indonesia communicates and coordinates with neighboring countries while utilizing ASEAN mechanisms to address haze pollution. [2] The ASEAN Secretariat activated Regional Alert Level 3 on Aug. 26, 2026, and instructed all ASEAN member states to submit daily situation reports including haze trajectory maps. [2] Hotspot counts in West Kalimantan increased from 273 to 859 as of Sept. 1, 2026, while Central Kalimantan rose from 253 to 623. [2] South Sumatra recorded an increase from 20 to 89 hotspots, South Kalimantan from 22 to 73, and Jambi from zero to four, while Riau remained at zero. [2] Haze caused by forest fires in Indonesia has reportedly spread to Malaysia's Sabah and Sarawak, as well as Singapore, Brunei, and the Philippines, including Manila. [2]
Australian Heat and Bushfire Risk in Spring
Sydney sweats in spring hot spell, faces 'extreme' bushfire risk.
What to watch next: Heavy rain may strike mainly Pacific areas later Saturday and Sunday as the tropical depression moves north, while ASEAN member states continue submitting daily situation reports under Alert Level 3.
