Bengaluru: After days of anticipation and widespread pre-monsoon showers, the southwest monsoon entered Karnataka on Thursday, with the India Meteorological Department (IMD) declaring its onset over coastal districts Dakshina Kannada and Udupi following continuous rainfall and thunderstorm activity. The monsoon also completed its advance over neighboring Kerala.
Monsoon Progress and Forecast
IMD officials stated that the monsoon is likely to progress into south-interior Karnataka (SIK) within the next two days. Dr. N. Puviarasan, scientist and regional head of IMD Bengaluru, said: "Conditions are highly favorable for further advancement into SIK. Rainfall activity is expected to spread to more districts of Karnataka and parts of Tamil Nadu over the next two days."
Onset Criteria Met
Explaining the declaration, C.S. Patil, scientist at IMD Bengaluru, noted that the Karnataka coast has met all standard onset criteria. "The region has recorded continuous rainfall of over 2-3 mm in recent days, with wind speeds of 30-35 kmph and persistent cloud cover. If these conditions continue, monsoon is expected to advance into Mysuru, Chamarajanagar, Bengaluru, and other parts of SIK within two days," he said.
Yellow Alert Issued
IMD has issued a yellow alert for coastal Karnataka until June 10. Dakshina Kannada, Udupi, and Uttara Kannada are likely to receive heavy to very heavy rainfall over the next two days, while Bengaluru, Kolar, Tumakuru, and Chikkaballapur are expected to witness light to moderate rain accompanied by thunderstorms.
Caution and Long-Term Outlook
Weather experts cautioned that the pace and intensity of the monsoon's advance across the rest of Karnataka will depend on evolving atmospheric conditions. According to sources at the Karnataka State Natural Disaster Monitoring Centre (KSNDMC), while the monsoon's arrival is broadly in line with forecasts, emerging El Niño conditions could influence rainfall later in the season. "Current assessments suggest rainfall intensity may weaken during the latter half of the monsoon, potentially leading to a 20-30% deficit if the trend persists," an official said.
Residents are advised to stay updated with local weather alerts and take necessary precautions during the heavy rainfall expected in coastal regions.
