Heavy Rainfall and Flash Flood Risks Forecasted in Multiple Indian Regions
In association with a low-pressure area, meteorological experts are predicting an extended period of heavy rainfall in several parts of India over the next few days, potentially leading to flash floods in some regions. The latest weather observations and forecasts highlight significant weather features affecting various parts of the country.
Key Weather Highlights:
- Madhya Pradesh and East Rajasthan: Heavy rainfall is expected to persist over Madhya Pradesh and East Rajasthan for the next 2-3 days, driven by the influence of a low-pressure area.
- Himachal Pradesh and Uttarakhand: Over the next 5 days, Himachal Pradesh and Uttarakhand are likely to experience heavy to very heavy rainfall, raising concerns of potential flooding in these mountainous regions.
- East and Northeast India: From August 22nd onwards, an increase in rainfall activity is anticipated over eastern and northeastern parts of India, potentially impacting Assam, Meghalaya, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Odisha, Bihar, Jharkhand, and West Bengal.
Significant Weather Features:
- A low-pressure area that was previously situated over north Chhattisgarh and its surrounding regions has now shifted to central parts of north Madhya Pradesh.
- The Monsoon Trough, running south of its normal position, is expected to gradually shift northward from August 21st.
- A fresh Western Disturbance in the middle tropospheric westerlies, extending from approximately Long. 58°E to the north of Lat. 28°N, has been observed.
Regional Weather Forecast and Warnings:
- Northwest India: Himachal Pradesh, Uttarakhand, West Uttar Pradesh, and East Uttar Pradesh may experience widespread rainfall, thunderstorms, and lightning during specific periods from August 20th to 24th. Isolated very heavy rainfall is also expected in some areas.
- Central India: Madhya Pradesh, Vidarbha, and Chhattisgarh are likely to witness widespread rainfall, thunderstorms, and isolated heavy rainfall activities during August 20th to 24th.
- East India: Sub-Himalayan West Bengal & Sikkim, Gangetic West Bengal, Odisha, Bihar, Jharkhand, and Assam & Meghalaya are expected to experience rainfall, thunderstorms, and lightning with isolated heavy rainfall from August 20th to 24th.
- Northeast India: Assam & Meghalaya, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, and surrounding areas are forecasted to have widespread rainfall, thunderstorms, and lightning with isolated heavy rainfall from August 20th to 24th.
- South India: Tamil Nadu may see scattered to fairly widespread rainfall, thunderstorms, and lightning with isolated heavy rainfall on August 21st and 22nd.
Flash Flood Risks: Flash flood risks are expected in several watersheds and neighborhoods in Uttarakhand, Himachal Pradesh, West Madhya Pradesh, East Rajasthan, Bihar, Arunachal Pradesh, Assam & Meghalaya, Nagaland, Manipur, Mizoram, Tripura, and Sub-Himalayan West Bengal & Sikkim during specific time frames.
Impact & Action Suggested: Localized flooding, water logging, and road closures are expected in urban areas. Reduced visibility due to heavy rainfall and traffic disruptions may occur. Vulnerable structures may sustain damage, and horticulture and crops could be affected. Riverine flooding is also possible in certain river catchments.
