Mumbai, May 27 (Reporter) The India Meteorological Department ( IMD) on Tuesday issued a red alert for rains in Maharashtra, Goa and Karnataka. "Extremely heavy rains" have been predicted, especially in coastal and south interior Karnataka, from Tuesday. Heavy rains have also been predicted in Konkan and Ghat regions of central Maharashtra. Monsoon reached Mumbai and Pune on Monday. Thunderstorms with a speed of 50-60 kmph accompanied by lightning and heavy rains are likely on Tuesday. The Maharashtra government has asked citizens to be alert. Heavy to very heavy rains are likely in North Karnataka between May 27 and 30. Thunderstorms, lightning and squalls are likely to continue in Tamil Nadu till May-end, said IMD...////...