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Observed East Asia Convection: 10–17 July 2026

Representative daily locations verified from national meteorological reports, warnings, radar or aviation observations, with ECMWF/GFS analyses used as background support.

Important: “Proven” here means officially observed, warned for, or reported by national agencies. ECMWF and GFS are model-analysis sources and do not by themselves prove that a storm occurred at a specific town.
Location (Town / City / Region / Country ABBR)
Strength
Date
Zhejiang–Fujian coast, CHNTyphoon Bavi rainbands and severe convection approached the coast, with heavy rain, squalls and embedded thunderstorms.
Severe
10 Jul
Ishigaki / southern Ryukyu Islands, JPNOuter typhoon rainbands produced intense showers, thunderstorms and strong gusts.
Strong
10 Jul
Incheon, KORCloudy, humid conditions with measurable rain and low cloud ahead of the northward-moving tropical system.
Moderate
10 Jul
Fujian–Zhejiang landfall sector, CHNTyphoon-related convective bands brought torrential rain, thunderstorm gusts and coastal squalls.
Severe
11 Jul
Kyushu / western Japan, JPNMoist tropical air and typhoon outflow supported heavy showers and embedded thunderstorms.
Strong
11 Jul
Northern Taiwan, TWNAfternoon convection developed in humid unstable air, with local downpours and lightning.
Moderate
11 Jul
Anhui–Jiangxi–northern Fujian, CHNHeavy rain and convective bands produced elevated urban-waterlogging risk.
Severe
12 Jul
Tokyo–Kanto inland hills, JPNHot humid air and approaching upper forcing supported afternoon thunderstorms.
Strong
12 Jul
Central and southern Taiwan, TWNTerrain and daytime heating generated scattered afternoon thunderstorms.
Moderate
12 Jul
Liaoning–Jilin, CHNNorthward-moving Bavi and its transition produced heavy rain and organised convection.
Severe
13 Jul
Seoul–central Korea, KORDeep tropical moisture and frontal interaction produced heavy rain and thunderstorms.
Strong
13 Jul
Western Honshu, JPNResidual tropical moisture supported scattered thunderstorms and locally heavy rain.
Moderate
13 Jul
Southern Korea / Jeju sector, KORHeavy-rain advisories and tropical-system moisture indicated organised convective rainfall.
Severe
14 Jul
Liaoning–Jilin border region, CHNFormer typhoon rainbands continued with heavy rain and thunderstorms.
Strong
14 Jul
Taipei basin and northern mountains, TWNAfternoon thundershowers formed in very humid summer air.
Moderate
14 Jul
Yellow River basin / Sichuan Basin, CHNOfficial heavy-rain and severe-convection warnings covered short-duration intense rain, gusts and hail.
Severe
15 Jul
Incheon–Seoul metropolitan area, KORRain, low visibility and strong humid flow were observed around the aviation corridor.
Strong
15 Jul
Taiwan interior and mountain slopes, TWNRadar and heavy-rain advisory context supported scattered convective downpours.
Moderate
15 Jul
Guangxi coast / Guangdong coast, CHNQinzhou, Fangchenggang, Jiangmen and Zhuhai recorded or were reported with very heavy rain, including local 100–219 mm totals.
Severe
16 Jul
Eastern Sichuan–Chongqing, CHNShort-duration heavy rain and thunderstorm gusts occurred in a highly unstable environment.
Strong
16 Jul
Northern and western Luzon, PHLSouthwest-monsoon convergence supported scattered thunderstorms and locally heavy showers.
Moderate
16 Jul
Southern Shandong–eastern Henan–northern Jiangsu, CHNOfficial severe-convection forecasts called for hourly rain above 50 mm locally, with damaging gusts or hail.
Severe
17 Jul
Hubei–Chongqing–southern Sichuan, CHNHigh moisture and convergence supported short-duration torrential rain and organised thunderstorms.
Strong
17 Jul
Daegu, KORRain was observed through much of the day, with humid easterly flow and embedded convective potential.
Moderate
17 Jul
Taipei and northern Taiwan, TWNAfternoon occasional thundershowers were reported in hot, unstable conditions.
Moderate
17 Jul
Credits: ECMWF and NOAA GFS analysis guidance; China Meteorological Administration / National Meteorological Centre; Japan Meteorological Agency; Korea Meteorological Administration; Taiwan Central Weather Administration. Strength is a simplified qualitative classification based on reported rain intensity, warnings, thunderstorm gusts, hail or tropical-cyclone rainbands.