PAGASA expects such dryness to begin easing around May, however, forecasting near-normal
rainfall then in most parts of Northern Luzon and Mindanao.
Monthly
rainfall data from a 60-year data series (1956-2015) of the meteorological station of the Carlos Gayer Research Center (28[degrees] 53' 17" S, 51[degrees] 32' 32" W, and altitude of 707 m) in Veranopolis, were used.
Record rain seasons since 1901 were those of 1968-69 (614.4mm of
rainfall), 1929-30 (492.4mm), and 1911-12 (483.7mm).
'However, proper Dam management is recommended to avert the disastrous effects of flooding due to expected flows over the places where normal to above normal
rainfall amounts were predicted,' it said.
"[The]Tropical Cyclone Warning Signal System, which has been in effect since 1930s, is based solely on expected winds and its impact over a locality and has no relation with the accompanying
rainfall of such tropical cyclone," Malano said.
These extreme
rainfall patterns caused great human, financial and agricultural losses in entire South Asian region.
The weather advisory has also predicted light
rainfall in Islamabad, Murree, Peshawar, Chitral, Dir, Malakand, Hazara and Mardan divisions, Kashmir and Gilgit-Baltistan regions and light snowfall at hills.
However, southern parts of the country were likely to receive normal
rainfall this month, it added.
On Sunday, several parts of North Batinah governorate received heavy
rainfall accompanied by thundershowers and active winds, the Public Authority for Civil Aviation (PACA) tweeted.
Rainfall was heaviest in the northwest and south, with some areas reporting totals that were 6 inches or more above normal.
brThe winter months (Jan-March) 2018 received 62% well below normal
rainfall whereas (April-May) 2018, it was 9.9% near normal and (Jan-May) 2018, it was 44.9% below normal
rainfall over Pakistan.