wweather1
wweather1 wweather1
HomeWeather news → Heavy Rain Forecasted for Ulsan on August 30
🌀 Storm South Korea

Heavy Rain Forecasted for Ulsan on August 30

August 30, 2026 · wweather1 editorial · 1 min read

An automatic weather alert has been issued for Ulsan, South Korea, as forecast precipitation levels are expected to reach 39.3 mm on August 30, 2026. This forecasted volume exceeds the standard safety threshold of 30 mm.

According to automated forecast data from wweather1.com, a high-severity rain event is anticipated in Ulsan, South Korea. The system generated an automatic alert when the predicted precipitation value crossed the established threshold.

The alert commenced at 00:00 UTC on August 30, 2026. The forecast indicates that the area will experience 39.3 mm of rain, which is above the 30 mm threshold set for this metric.

This notification is based entirely on the automated forecasting system of wweather1.com. No manual updates or secondary meteorological reports have been factored into this warning.

Why it is dangerous and what to do

⚠️ Safety
• Monitor local weather updates and official safety advisories.
• Avoid traveling through low-lying areas prone to sudden water accumulation.
• Ensure drainage pathways around residential properties are clear of debris.
📊 The numbers, from wweather1 data
Ulsan: now +25°, Mostly clear.
That is 2° above the August climate norm.
The record for this date is +35° (2025).
Three-day forecast: 30 August: +30°/+24° · 31 August: +32°/+24° · 1 September: +30°/+23°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates.

🌍 Weather in nearby cities

📰 Data source: wweather1. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

Other weather news