Low Pressure Systems Spark Thunderstorms, Heatwaves Persist
A low-pressure system forming over a bay is driving ongoing thunderstorms, with potential for intensification over the next two days. Simultaneously, other regions are grappling with significant heat, with temperatures reaching over 42°C in some areas, and heatwave conditions anticipated in multiple districts.
The managing director of an unnamed authority, Prakhar Jain, stated Monday evening that the bay-area low-pressure system was likely to intensify. This follows a period where thunderstorms have continued. Alongside these atmospheric disturbances, record high temperatures were noted. In Vijayawada East of NTR district, the highest temperature recorded was 42.3°C. Other significant readings included 42.1°C in Kukkunoor and Kunavaram, 41.5°C in Mantralayam, 41.4°C in Kopperapadu, 41.3°C in Kadapa, and 41.2°C in Tadepalli.
Heatwave conditions are specifically forecasted for eight mandals. These include GK Veedhi, Munchingiputtu, and Pedabayalu in Alluri district, as well as Chintoor, Kunavaram, Maredumilli, VR Puram, and Gurtedu in Polavaram district.
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Bay Area Experiences 'Uncommon' Late-Season Storms
In a separate development, the Bay Area has seen uncommon rainfall and thunderstorms for this late in the season. A low-pressure system and cold front are converging near the Gulf of Alaska, bringing widespread showers, thunder, and a possibility of flooding. This weather shift is seen as potentially beneficial, especially with summer fire concerns looming.
Daytime highs are expected to drop into the upper 60s after reaching the mid-to-upper 70s on Sunday. Mount Tamalpais is forecast to receive approximately an inch and three-quarters of rain, with lower elevations expected to get no more than an inch over a three-day period. Gusts are anticipated to remain below 30 mph, making wind advisories unlikely.
This late-season precipitation has been characterized as unusual. Earlier, in September 2025, the Bay Area also experienced thunderstorms and showers, with a "cut-off low" system monitored near Monterey Bay. At that time, storms moved from near Salinas towards the northwest, impacting the Santa Clara Valley and Santa Cruz Mountains. The National Weather Service noted these systems brought heavy rains, thunder, and lightning.
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Previously, in mid-September 2025, remnants of Tropical Storm Mario were expected to generate isolated dry thunderstorms. This occurred alongside a high-pressure system pushing temperatures 5 to 15 degrees higher than average, leading to a moderate heat risk and increased fire danger due to low humidity and the potential for dry lightning.
More traditional rain systems were expected towards the end of September 2025, following the fading of tropical storm remnants. These systems were anticipated to bring rain without the threat of thunder or lightning. The weather forecast included cloudy, gray conditions persisting for days as rain chances from these systems evaporated.
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