The Active Low Pressure Area (ALPA) intensified into a tropical depression and was named "Caloy". As early as 11:00 AM, 18 July, heavy rains and strong winds triggered flashflood affecting 111 families in the Municipality of Dingalan, Aurora Province. Twenty seven (27) families who were affected by flashflood in the Municipality of Baler, Aurora, were rescued by the Philippine Army.
GDACS issued red alert as Tropical Cyclone PHET-10 of Saffir-Simpson Category 4 affected 295 thousand people with winds above 39mph (63 km/h) and 16.4 million people with hurricane wind strengths (74mph or 119 km/h). In addition, 164 thousand people are living in coastal areas below 5m and can therefore be affected by storm surge.
The first named tropical storm of the 2010 Pacific hurricane season "Agatha" caused severe rainfall in the departments of Escuintla, Suchitepéquez, Retalhuleu, San Marcos, Quetzaltenango, Huehuetenango, Totonicapn, Sololá, Chimaltenango and Guatemala.
The nor'wester that played havoc in eastern India on the night of 14 April 2010 also hit border districts of Dinajpur, Rangpur, Nilphamari, Lalmonirhat, Kurigram in Bangladesh. Some adjacent districts including Gaibandha, Sirjaganj and Bogra were also affected.