BMKG: Abu Vulkanik Gunung Anak Krakatau Belum Terindikasi Masuk Jawa Tengah

Poin-Poin Utama

• • BMKG Stasiun Meteorologi Ahmad Yani Semarang reported paper test results on Monday (7/9) for volcanic ash deposits were negative across Cilacap, Semarang, and Tegal.
• • No indication of Mount Anak Krakatau volcanic ash deposition in Central Java as of the observation time, according to Yoga Sembodo.
• • Central Java is experiencing dry season conditions with some areas classified as alert after more than 61 days without rain.
• • Dry surface soil conditions allow dust material to be easily lifted by wind and human activity, BMKG stated.
• • Dust found in communities is more likely from dry soil conditions than Mount Anak Krakatau volcanic ash.
• • Information about dusty conditions in several districts and cities cannot be concluded as Mount Anak Krakatau volcanic ash.
• • Air quality monitoring in Semarang for PM2.5 Suspended Particulate Matter showed no significant change before and after the Mount Anak Krakatau eruption.
• • PM2.5 monitoring is one supporting indicator that volcanic ash has not entered Semarang.
• • Himawari-9 satellite map and Darwin Volcanic Ash Advisory Centre (VAAC) trajectory map from 7 September showed ash moving southwest toward the Indian Ocean.
• • Ash movement direction indicates it is moving away from Central Java regions.
• • Wind forecast analysis at approximately 3,000 feet shows general wind direction from east to west.
• • Atmospheric material at this layer tends westward and not toward Central Java.
• • BMKG continues to monitor current developments regarding the situation.
• • BMKG requested residents not to independently interpret volcanic ash distribution based on wind maps and third-party applications.
• • The statement was quoted on Tuesday (8/9) by Yoga Sembodo, Head of BMKG Stasiun Meteorologi Ahmad Yani Semarang.