JAKARTA - Hail rain occurred in the Tembalang area, Semarang City, Monday, February 21, following heavy rains that hit the Central Java capital area.
Head of BMKG Meteorological Station Ahmad Yani Semarang Sitikno said Himawari 8 satellite imagery showed the growth of convective clouds (cumulonimbus) in the area around the occurrence of the phenomenon between 16.00 and 17.30 WIB.
"The cloud top temperature reaches minus 50 to minus 80 degrees Celsius, which indicates moderate to heavy rain and the potential for hail," he said as quoted by Antara.
Hail, he continued, is a natural weather phenomenon that usually occurs and is included in extreme weather events.
"This phenomenon can occur during the rainy season during the transition or transition period," he said.
He added that the hail phenomenon must meet a number of characteristics, he said, such as a very local occurrence with an area of 5 to 10 km.
In addition, he continued, hail only occurred in a short time.
"More often at the change of seasons and occurs between the afternoon and evening," he said.
According to him, hail cannot be specifically predicted.
"Predictions by seeing or feeling the signs have an accuracy rate of below 50 percent," he added.
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