Stating that the system is likely to concentrate into a depression during the next 24 hours, an IMD bulletin said rain or thunder shower was "very likely" to occur at most places over north Odisha and many places over southern region of the state during the next 24 hours.
"Heavy to very heavy rainfall very likely to occur at one or two places over Odisha with extremely heavy rainfall at one or two places over districts of North Odisha during next 24 hours," the bulletin said in its warning.
Under its impact, gusty surface wind with speed reaching 45-50 kmph to 60 kmph may lash Odisha coast, it said.