Weather Forecast September 10: Heavy Rain Likely Over Bihar, Jharkhand, Odisha, West Bengal and Northeast India
Representational Image: AI-Skymet
Key Takeaways:
- Isolated heavy rainfall is possible over Bihar, Jharkhand, Odisha and Gangetic West Bengal during the next 24 hours.
- Parts of Northeast India may also witness light to moderate rain with isolated heavy spells.
- Northwest India is expected to experience subdued rainfall activity, with Delhi, Punjab and Haryana largely remaining dry.
- A fresh low-pressure area is likely to develop over the West-Central and Northwest Bay of Bengal around September 11.
- Forecast Validity: Next 24 hours.
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The Weather Systems Over The Country
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The low-pressure area over Uttar Pradesh has become less marked. However, its associated cyclonic circulation persists over East Uttar Pradesh and adjoining Bihar, extending up to 3.1 km above mean sea level.
The monsoon trough at mean sea level passes through Firozpur, Muzaffarnagar, Bareilly, Lucknow, Patna, Bankura and Digha, before extending southeastwards to the northeast Bay of Bengal.
A trough extends from South Gujarat to the cyclonic circulation over East Uttar Pradesh and adjoining Bihar, across Madhya Pradesh, at about 3.1 km above mean sea level.
A Western Disturbance persists as a cyclonic circulation over Northwest Uttar Pradesh and adjoining areas at 5.8 km above mean sea level.
An upper-air cyclonic circulation lies over North Haryana and adjoining areas at about 1.5 km above mean sea level.
An upper-air cyclonic circulation lies over the North Bay of Bengal and adjoining Bangladesh coast, extending up to 4.5 km above mean sea level.
Another upper-air cyclonic circulation persists over the West-Central Bay of Bengal and adjoining Coastal Andhra Pradesh at about 7.6 km above mean sea level.
An upper-air cyclonic circulation persists over the North Andaman Sea at 5.8 km above mean sea level. Under its influence, a fresh low-pressure area is likely to develop over the West-Central and Northwest Bay of Bengal, off the North Andhra Pradesh and South Odisha coasts, around September 11.
A north-south trough extends from North Telangana to the Gulf of Mannar across South Coastal Andhra Pradesh and Tamil Nadu at about 0.9 km above mean sea level.
Weather Activities During The Last 24 Hours
During the last 24 hours, light to moderate rain with one or two heavy spells occurred over East Uttar Pradesh.
Light to moderate rain occurred over East Madhya Pradesh, Bihar, West Bengal, Assam, Meghalaya, Chhattisgarh, Konkan and Goa, Madhya Maharashtra, Coastal Andhra Pradesh and North Interior Karnataka.
Light rain occurred over Rayalaseema, Tamil Nadu, Uttarakhand and Lakshadweep.
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Significant rainfall amounts included:
- Aizawl-Lengpui: 5 cm
- Long Island: 10 cm
- Maya Bandar: 67 cm
- Jamshedpur Airport: 4 cm
- Sultanpur: 3 cm
- Diamond Harbour: 3 cm
Weather remained dry over Chandigarh, Delhi, Punjab, Haryana, West Madhya Pradesh, Rajasthan and most parts of Gujarat.
The highest maximum temperature over the country was 40.4°C at Vellore in Tamil Nadu. The lowest minimum temperature over the plains was 17.0°C at Haflong in Assam.
Maximum temperatures were markedly above normal at isolated places over Coastal Andhra Pradesh, Rayalaseema and Tamil Nadu. Appreciably above-normal temperatures prevailed over parts of Northeast India, Odisha, Vidarbha, Chhattisgarh, Karnataka, Telangana, Maharashtra and Kerala.
Forecast
During the next 24 hours, light to moderate rain with isolated heavy spells may occur over Bihar, Jharkhand, Odisha and Gangetic West Bengal.
Light to moderate rain with isolated heavy spells is also possible over Arunachal Pradesh, Assam, Meghalaya, Nagaland, Manipur, Mizoram and Tripura.
Fairly widespread light to moderate rain may occur over the Andaman and Nicobar Islands, Sub-Himalayan West Bengal and Sikkim. Scattered rain is possible over Chhattisgarh and East Madhya Pradesh.
Rainfall activity is expected to remain subdued over Northwest India. Isolated light rain may occur over Uttarakhand, Himachal Pradesh and Jammu and Kashmir.
Light to moderate rain may continue over Konkan and Goa. Isolated to scattered rain is possible over Gujarat, Madhya Maharashtra and Vidarbha.
Scattered light rain and thunderstorms may occur over Coastal Andhra Pradesh, Telangana, Rayalaseema, Karnataka, Tamil Nadu, Kerala and Lakshadweep. Hot and humid weather may prevail over Coastal Andhra Pradesh and Kerala.
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