EDNA L. JUANILLO Philippines

Typhoon GLEnDA [RAMMASUN] EDNA L. JUANILLO Philippines

TY GLENDA (RAMMASUN) (July 13-17, 2014) OTHER RELATED INFO It formed as a Tropical Depression (TD) over the Caroline Islands, Pacific Ocean, moving from west to west northwest toward the eastern border of the PAR (11 Jul 2014); It gained strength and reached storm intensity in the morning of Jul 12 while over the Pacific Ocean and it was given an international name [RAMMASUN], a Siamese word for "Thunder God" contributed by Thailand; It entered the PAR as Tropical Storm (TS) in the afternoon of 13 Jul and was named "GLENDA". It then reached typhoon intensity and continued to move closer to Bicol-Samar Area; "GLENDA" as a typhoon, has crossed Bicol Region, Southern Tagalog Provinces and Bataan; "GLENDA" has attained 150 kph maximum sustained winds and gustiness up to 180 kph; Period of Occurrence of TY "GLENDA" inside the PAR is from Jul 13 (5pm) - 17 (11am), 2014 and PSWS # 3, was in effect in affected areas. GLENDA is the 2nd tropical cyclone in July and the seventh during the year 2014; It is the second tropical cyclone that crossed the country (after TS "BASYANG" Jan 30-01 Feb); It stayed in the PAR for five (5) days which is normal number of days of occurrence of a tropical cyclone. So far, it is the strongest tropical cyclone to cross the country.

Analyses, 11 Jul 2014 For 24 Hours, light rains were recorded in major parts of the country with patches of no rain in Luzon and Samar (Visayas) PWF ISSUED AT : 5:00 AM 11 JULY 2014 VALID BEGINNING : 5:00 AM TODAY UNTIL 5:00 AM OF NEXT DAY SYNOPSIS: INTERTROPICAL CONVERGENCE ZONE (ITCZ) AFFECTING MINDANAO. FORECAST: DAVAO REGION AND CARAGA WILL HAVE CLOUDY SKIES WITH LIGHT TO MODERATE RAINS AND THUNDERSTORMS. METRO MANILA AND THE REST OF THE COUNTRY WILL BE PARTLY CLOUDY TO CLOUDY WITH ISOLATED RAINSHOWERS OR THUNDERSTORMS..

Analyses, 12 Jul 2014 The 24-Hour recorded rainfall in major parts of the country is still in the light category. PWF ISSUED AT : 5:00 AM 12 JULY 2014 VALID BEGINNING : 5:00 AM TODAY UNTIL 5:00 AM OF NEXT DAY SYNOPSIS: INTERTROPICAL CONVERGENCE ZONE (ITCZ) AFFECTING MINDANAO. FORECAST: PALAWAN AND MINDANAO WILL HAVE CLOUDY SKIES WITH LIGHT TO MODERATE RAINS AND THUNDERSTORMS. METRO MANILA AND THE REST OF THE COUNTRY WILL BE PARTLY CLOUDY TO CLOUDY WITH ISOLATED RAINSHOWERS OR THUNDERSTORMS.

Analyses, 13 Jul 2014 Major parts of the country recorded light rains. PWF ISSUED AT : 5:00 AM 13 JULY 2014 VALID BEGINNING : 5:00 AM TODAY UNTIL 5:00 AM OF NEXT DAY SYNOPSIS: INTERTROPICAL CONVERGENCE ZONE (ITCZ) AFFECTING MINDANAO. MEANWHILE, AT 4:00 AM TODAY, THE TROPICAL STORM RAMMASUN OUTSIDE THE PHILIPPINE AREA OF RESPONSIBILITY (PAR) WAS ESTIMATED BASED ON ALL AVAILABLE DATA AT 1,540 KM EAST OF SOUTHERN LUZON (13.6ºN, 139.6ºE). IT IS FORECAST TO MOVE WEST AT 22 KPH. FORECAST: MINDANAO WILL EXPERIENCE CLOUDY SKIES WITH LIGHT TO MODERATE RAINS AND THUNDERSTORMS. METRO MANILA AND THE REST OF THE COUNTRY WILL BE PARTLY CLOUDY TO CLOUDY WITH ISOLATED RAINSHOWERS OR THUNDERSTORMS.

Analyses, 14 Jul 2014 Moderate rains observed in the provinces of Samar while light to moderate rains in other parts of the country with patches of no rain in Luzon and Mindanao. PWF ISSUED AT : 5:00 AM 14 JULY 2014 VALID BEGINNING : 5:00 AM TODAY UNTIL 5:00 AM OF NEXT DAY SYNOPSIS: AT 4:00 AM TODAY, THE CENTER OF TROPICAL STORM GLENDA WAS ESTIMATED BASED ON ALL AVAILABLE DATA AT 750 KM EAST OF VIRAC, CATANDUANES (13.4ºN, 132.0ºE) WITH MAXIMUM SUSTAINED WINDS OF 80 KPH AND GUSTINESS OF UP TO 95 KPH. IT IS FORECAST TO MOVE WEST AT 30 KPH. FORECAST: BICOL REGION AND EASTERN VISAYAS WILL HAVE CLOUDY SKIES WITH LIGHT TO MODERATE RAINSHOWERS AND THUNDERSTORMS. METRO MANILA AND THE REST OF THE COUNTRY WILL BE PARTLY CLOUDY TO CLOUDY WITH ISOLATED RAINSHOWERS OR THUNDERSTORMS.

Analyses, 15 Jul 2014 Moderate to heavy rains recorded in Southern Bicol and Southern Quezon while, light to moderate rains over Samar, Leyte, Masbate, Marinduque, Southern Tagalog provinces including Mindoro and Metro Manila. PWF ISSUED AT : 5:00 AM 15 JULY 2014 VALID BEGINNING : 5:00 AM TODAY UNTIL 5:00 AM OF NEXT DAY SYNOPSIS: AT 4:00 AM TODAY, THE EYE OF TYPHOON GLENDA WAS LOCATED BASED ON ALL AVAILABLE DATA AT 270 KM EAST OF LEGASPI CITY (12.7ºN, 126.4ºE) WITH MAXIMUM SUSTAINED WINDS OF 120 KPH AND GUSTINESS OF UP TO 150 KPH. IT IS FORECAST TO MOVE WEST AT 20 KPH. FORECAST: METRO MANILA, BICOL REGION, CALABARZON, MARINDUQUE AND SAMAR WILL EXPERIENCE STORMY WEATHER WHILE CENTRAL LUZON, AND THE PROVINCES OF ROMBLON, NORTHERN PART OF LEYTE, MINDORO, AKLAN, CAPIZ, PANGASINAN, NUEVA VIZCAYA AND QUIRINO, WILL HAVE RAINS WITH GUSTY WINDS AND THE COASTAL WATERS ALONG THESE AREAS WILL BE ROUGH TO VERY ROUGH.

Typhoon Glenda (Rammasun) making landfall in the Philippines on July 15

Analyses, 16 Jul 2014 Moderate rains over Zambales and Bataan while light to moderate rains in other parts of the country with patches of no rain over eastern Samar and southeastern Mindanao. PWF ISSUED AT : 5:00 AM 16 JULY 2014 VALID BEGINNING : 5:00 AM TODAY UNTIL 5:00 AM OF NEXT DAY SYNOPSIS: AT 4:00 AM TODAY, THE EYE OF TYPHOON GLENDA WAS LOCATED BASED ON ALL AVAILABLE DATA AND SUBIC RADAR STATION IN THE VICINITY OF NAGCARLAN, LAGUNA OR 70 KM SOUTHEAST OF METRO MANILA (14.0ºN, 121.4ºE) WITH MAXIMUM SUSTAINED WINDS OF 150 KPH AND GUSTINESS OF UP TO 185 KPH. IT IS FORECAST TO MOVE WEST NORTHWEST AT 26 KPH. FORECAST: METRO MANILA, CALABARZON, CENTRAL LUZON AND THE PROVINCES OF MINDORO, CAMARINES, ALBAY, ROMBLON, PANGASINAN, NUEVA ECIJA, LA UNION, BENGUET AND SOUTHERN AURORA WILL EXPERIENCE STORMY WEATHER WHILE THE PROVINCES OF ILOCOS SUR, NUEVA VIZCAYA, QUIRINO, CATANDUANES, SORSOGON, MASBATE, REST OF AURORA AND TICAO ISLAND WILL HAVE RAINS WITH GUSTY WINDS AND THE COASTAL WATERS ALONG THESE AREAS WILL BE ROUGH TO VERY ROUGH. THE REST OF LUZON AND OF VISAYAS WILL EXPERIENCE CLOUDY SKIES WITH LIGHT TO MODERATE RAINS AND THUNDERSTORMS. MINDANAO WILL BE PARTLY

Analyses, 17 Jul 2014 Light to moderate rains observed in many parts of the country with patches of no rain. PWF ISSUED AT : 5:00 AM 17 JULY 2014 VALID BEGINNING : 5:00 AM TODAY UNTIL 5:00 AM OF NEXT DAY SYNOPSIS: AT 4:00 AM TODAY, THE EYE OF TYPHOON GLENDA WAS LOCATED BASED ON ALL AVAILABLE DATA AT 380 KM WEST SOUTHWEST OF DAGUPAN CITY (15.8ºN, 116.8ºE) WITH MAXIMUM SUSTAINED WINDS OF 130 KPH AND GUSTINESS OF UP TO 160 KPH. IT IS FORECAST TO MOVE WEST NORTHWEST AT 20 KPH. MEANWHILE, THE LOW PRESSURE AREA (LPA) WAS ESTIMATED AT 940 KM EAST OF NORTHERN MINDANAO (10.2 N, 135.6 E) FORECAST: METRO MANILA, CENTRAL LUZON, CALABARZON AND THE PROVINCES OF MINDORO, PALAWAN, LA UNION, BENGUET AND PANGASINAN WILL HAVE OCCASIONAL RAINS. THE REST OF THE COUNTRY WILL BE PARTLY CLOUDY TO CLOUDY SKIES WITH ISOLATED RAINSHOWERS AND THUNDERSTORMS.

Analyses, 18 Jul 2014 Light to moderate rains observed in many parts of the country with patches of no rain over western Visayas. PWF ISSUED AT : 5:00 AM 18 JULY 2014 VALID BEGINNING : 5:00 AM TODAY UNTIL 5:00 AM OF NEXT DAY SYNOPSIS: SOUTHWEST MONSOON AFFECTING THE WESTERN SECTION OF LUZON. MEANWHILE, AT 4:00 AM TODAY, TROPICAL STORM [MATMO] OUTSIDE THE PHILIPPINE AREA OF RESPONSIBILITY (PAR) WAS ESTIMATED BASED ON ALL AVAILABLE DATA AT 1000 KM EAST OF NORTHERN MINDANAO (10.2 N, 135.4 E) WITH MAXIMUM SUSTAINED WINDS OF 65 KPH AND GUSTINESS OF UP TO 80 KPH. IT IS FORECAST TO MOVE NORTH NORTHWEST SLOWLY. \ FORECAST: METRO MANILA, CENTRAL LUZON, CALABARZON AND THE PROVINCES OF MINDORO AND PALAWAN WILL HAVE OCCASIONAL RAINS. THE REST OF THE COUNTRY WILL BE PARTLY CLOUDY TO CLOUDY WITH ISOLATED RAINSHOWERS AND THUNDERSTORMS.

Total RR and Track of TY GLENDA Glenda entered the eastern border of the PAR as a tropical storm in the afternoon of Jul 13. It continued to move west to west northwest and reached typhoon strength before it made landfall. GLENDA has crossed Bicol Region, Southern Tagalog Provinces and Bataan. It left the western border in the morning of Jul 17. Along its path, the observed cumulative rainfall were moderate to heavy while light to moderate rains over the nearby provinces. GLENDA s rainfall pattern appeared that it did not enhance the southwest monsoon flow and it behaved like a winter cyclone where the concentration of rainfall is only along its path.

Top Five (5) PAGASA Stations Recorded Extremes Weather Parameters Hi-24 Hr RR in mm Hi-Wind Gust in kph Minimum SLP in hpa Stn. No. 545 Name Sorsogon RR 247.8 Stn. No. 444 Name Legaspi Gust 162 Stn. No. 444 Name Legaspi MSLP 964.2 444 Legaspi 238.2 428 Sangley Pt. 162 435 Alabat 975.5 435 Alabat 195.0 545 Sorsogon 122 432 Ambulong 975.8 427 Tayabas 187.4 429 NAIA 113 545 Sorsogon 983.5 546 Catarman 143.5 425 P. Area 108 427 Tayabas 983.9 Source: TY Passage Report Coming From PRSD

Graph of 12 Hourly Estimated Minimum Central Pressure and Maximum Sustained Winds ESTIMATED 12 HOURLY MINIMUM SEA LEVEL PRESSURE OF TY"GLENDA" JUL 13-17, 2014 ESTIMATED 12 HOURLY MAXIMUM SUSTAINED WINDS NEAR THE CENTER OF TY"GLENDA" JUL 13-17, 2014 1000 160 140 MSLP IN hpa 990 980 970 960 MSW IN KPH 120 100 80 60 950 40 20 940 71300 12 71400 12 71500 12 71600 12 71700 12 MONTH/DATE/TIME 0 71300 12 71400 12 71500 12 71600 12 71700 12 MONTH/DATE/TIME GLENDA has entered the PAR in the afternoon of Jul 13 as a tropical storm.it gained strength and became a typhoon as it moved closer to Bicol-Samar Area. GLENDA with maximum sustained winds of 150 kph and a central pressure of 963.0 hpa crossed Bicol region, Southern Tagalog provinces and Bataan. PSWS# 3 was the highest which in effect to areas along the path of typhoon GLENDA, and it left the western border in the morning of Jul 17 still in a typhoon category.

Summary The month of July is peak of the southwest monsoon where major parts of the country usually experience rains especially the western portions Tropical Cyclones (TCs) that enter PAR generally move WNW-NW then to N out of the northern border; TC GLENDA was spotted over the Caroline Is. on the 11 th of Jul. as a tropical depression; maintaining its west to west northwest course. It gained storm intensity and given an international name [RAMMASUN]; It entered the PAR as storm and was given a local name GLENDA. It continued to move in a W-WNW direction due to the persistence of the ridge of the NPHPA and intensified further into a typhoon due to favorable conditions such as weak vertical shear and warm sea surface temperatures; As a typhoon, it continued to move closer to the country and track across Bicol Region, Southern Tagalog Provinces and Bataan; It left the western border of the PAR in the morning of July 17; GLENDA while inside the PAR, attained maximum sustained winds of 150 kph and gustiness of up to 180 kph. Public Storm Warning Signal # 3 was in effect over areas along its path specifically Metro Manila; It is the second and strongest tropical cyclone that crossed the country this year after TS BASYANG (Jan 30-01 Feb); The track and rainfall pattern of GLENDA were quite unusual if compared from the normal during the period; The impacts of TY GLENDA, based on the initial report of the Office of Civil Defense were as follows: a) Damage to Properties (Agri, Infra & Others) = P18,083.603 B, b) Casualties: Dead-106, Injured-1,250 & Missing-5 and c) Affected Regions: I, III, IVa&b, VII and NCR.