Civil Defense warns via cell phone about strong winds and risk of microexplosion in Presidente Venceslau
Quick Look
The São Paulo Civil Defense sent a cell phone alert about strong winds and the risk of a microexplosion in Presidente Venceslau on Thursday afternoon (10), with storms, hail and possible tornadoes forecast for Friday (11) and Saturday (12) due to the influence of an extratropical cyclone from the South.
AI-generated summary
Why It Matters
The São Paulo Civil Defense uses the Cell Broadcast system to send emergency alerts via cell phone in risk areas, a technology that allows simultaneous messages and audible alerts to smartphones located in areas of imminent danger.
Severe warning: Civil Defense sends message by cell phone about strong winds and risk of microexplosion in Presidente Venceslau
According to state agents, the rain was identified late this Thursday afternoon (10). Climate changes are expected to persist for the next few days.
By g1 Presidente Prudente
Civil Defense sent a cell phone warning about strong winds and risk of microexplosion in Presidente Venceslau (SP). The warning occurred around 5pm this Thursday (10).
The state agency also issued a storm risk warning for this Friday (11) and Saturday (12). Presidente Prudente (SP) and the region have greater storm potential.
The forecast points to rain, electrical discharges, hail, microexplosions and tornadoes in isolated areas. The weather will be influenced by an extratropical cyclone from the South, the agency said.
The period of greatest attention will be between Friday afternoon (11) and Saturday morning (12). This interval will have conditions more conducive to storms.
Storm warning in the region of Presidente Prudente (SP) starting this Thursday (10) — Photo: Beatriz Jarins/g1
The state Civil Defense sent a message by cell phone about strong winds and risk of microexplosion in Presidente Venceslau (SP), around 5pm this Thursday (10).
The notification via the Cell Broadcast system, a technology that can send thousands of simultaneous text messages and sound alerts to smartphones located in a risk area, occurred after state agents identified the weather conditions heading towards the region, mainly affecting Presidente Venceslau, in the western region of the state of São Paulo.
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What is microexplosion
A microexplosion is when the wind leaves the rain cloud, the cumulonimbus, at high speed, towards the ground. Understand the phenomenon in the video above.
These winds reach speeds of 80 km/h to 100 km/h. Upon reaching the ground, the wind spreads to the sides, resulting in the effect of a bomb, hence the name microexplosion.
The phenomenon is different from a tornado, when the wind is upward, moving from bottom to top in a spiral.
Civil Defense warns of microexplosion in Presidente Venceslau — Photo: TV Globo/Arquivo
Civil Defense Alert
The Civil Defense of the State of São Paulo had already issued a meteorological risk warning for this Friday (11) and Saturday (12), with storms forecast in different regions of the State. Presidente Prudente (SP) and other areas in the interior of São Paulo are among the regions with the greatest potential for severe storms.
The forecast indicates the localized possibility of very strong rain and gusts, electrical discharges, hail, microexplosions and, occasionally, tornadoes in isolated areas.
In addition, an extratropical cyclone is expected to form in the south of the country and influence weather conditions throughout São Paulo.
The period of greatest attention will be between the afternoon and evening of Friday (11) and the early hours and morning of Saturday (12), when conditions will be more favorable to the formation and intensification of storms.
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What to Watch
AI outlook — possibilities, not facts
Severe storms with the possibility of hail, strong winds and microexplosions will occur between Friday afternoon (11) and Saturday morning (12) in the Presidente Prudente region.
Likely · Within days
Open Questions
- What was the exact intensity of the winds recorded in Presidente Venceslau?
- Have there been any reports of material or personal damage due to weather conditions?
- What is the historical frequency of microexplosions in the western region of São Paulo?
