Medan –

Medan and its surrounding areas have recently experienced strong winds and high temperatures. During the day, the air temperature has even reached nearly 38°C.

According to temperature observation data from the Regional Meteorology, Climatology, and Geophysics Agency (BBMKG) Region I, this extreme weather began on July 15, 2025. On July 17, 2025, the maximum air temperature recorded at BBMKG Region I was 37.8°C, while at the Deli Serdang Geophysical Station, it was 36.7°C.

Furthermore, on July 19, 2025, the observed maximum temperature at BBMKG Region I was 37.1°C.

Additionally, on July 15, 2025, wind speed observations at the Kualanamu Meteorological Station recorded strong winds reaching 40 km/h.

“Analysis of wind patterns on July 19, 2025, at 07:00 WIB and 19:00 WIB indicates strong westerly winds with a divergent (spreading) nature in North Sumatra,” stated the Head of BBMKG Region I in an official release.

Moreover, based on upper-air monitoring on July 19, 2025, winds at the 850-500 mbar layer were quite strong, reaching 50 km/h, with relatively dry air humidity at 15-87% RH.

“These conditions have made cloud formation quite difficult in Medan and its surrounding areas,” he added.

Furthermore, residents of Medan and nearby areas were advised to remain cautious, as hot temperatures and strong winds are likely to persist in the coming days.

“Over the next few days, the weather pattern is expected to remain similar to today. Given the persistently high temperatures, the public is urged to stay alert to potential fire hazards, limit outdoor activities, increase water and fruit intake, and use sunscreen,” the statement concluded.

Medan

Medan is the capital city of North Sumatra, Indonesia, and the largest city on the island of Sumatra. Founded in 1590 as a small village by Guru Patimpus, it grew into a major trading hub during the Dutch colonial era, particularly for tobacco and rubber plantations. Today, Medan is a vibrant multicultural city known for its diverse architecture, rich culinary scene, and landmarks like the Maimun Palace and Great Mosque of Medan.

Deli Serdang Geophysical Station

The Deli Serdang Geophysical Station, located in North Sumatra, Indonesia, is a key facility for monitoring seismic and volcanic activity in the region. Established to study geophysical phenomena, it plays a vital role in earthquake and tsunami early warning systems due to Sumatra’s position along the active Pacific Ring of Fire. The station contributes to scientific research and disaster mitigation efforts in one of the world’s most seismically active areas.

Kualanamu Meteorological Station

The Kualanamu Meteorological Station is a weather monitoring facility located near Kualanamu International Airport in Medan, Indonesia. Established to support aviation safety, it provides critical weather data, including temperature, humidity, wind speed, and precipitation. The station plays a key role in regional weather forecasting and disaster preparedness, particularly in North Sumatra’s tropical climate.

BBMKG Region I

The *Balai Budaya dan Museum Karo Gugung* (BBMKG) Region I is a cultural center and museum located in the Karo Highlands of North Sumatra, Indonesia. It showcases the rich heritage of the Karo people, featuring traditional artifacts, textiles, and historical exhibits that highlight the region’s indigenous customs and history. The museum serves as an important institution for preserving and promoting Karo culture, particularly the traditions of the *Gugung* (highland) communities.