Typhoon Goni: Difference between revisions

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[[File:Molave, Goni, 90W.png|thumb|right|From left to right; Typhoon Molave, Tropical Storm Goni, and the precursor to Tropical Storm Atsani (at bottom right) on October 28, 2020.]]
[[File:Molave, Goni, 90W.png|thumb|right|From left to right; Typhoon Molave, Tropical Storm Goni, and the precursor to Tropical Storm Atsani (at bottom right) on October 28, 2020.]]
As the system continued tracking westward under favorable conditions in the Pacific Ocean, the JMA and JTWC upgraded the system into a tropical storm, with the JMA assigning the name ''Goni'' to the intensifying storm.<ref>{{Cite JTWC|date=October 28, 2020|type=warn|category=TS|designation=22W|no=3|name=Twentytwo|url=https://www.metoc.navy.mil/jtwc/products/wp2220web.txt|archive-url=https://wiki.chlod.net/jtwc/text/2020-10-28-1350-wp2220web.txt}}</ref><ref>{{Cite JTWC|date=October 28, 2020|type=warn|category=TS|designation=22W|no=3|name=Twenty-two|url=https://www.metoc.navy.mil/jtwc/products/wp2220prog.txt|archive-url=https://wiki.chlod.net/jtwc/prog/2020-10-28-1400-wp2220prog.txt}}</ref><ref>{{Cite web|last=|first=|date=October 28, 2020|title=Tropical Cyclone Information|url=http://www.jma.go.jp/en/typh/2019.html|url-status=dead|archive-url=https://web.archive.org/web/20201029011511/http://www.jma.go.jp/en/typh/2019.html|archive-date=October 29, 2020|access-date=October 28, 2020|website=[[Japan Meteorological Agency]]}}</ref> The PAGASA followed with an upgrade to a severe tropical storm a few hours later.<ref>{{Cite PAGASA|date=October 29, 2020|name=|intl_name=Goni|type=tca|no=3|category=STS|url=http://pubfiles.pagasa.dost.gov.ph/tamss/weather/tca/TCA%233.pdf|archive-url=https://archive.org/download/pagasa-20-22W/PAGASA_20-22W_Rolly_TCA%2303.pdf}}</ref> Due to the warm waters surrounding the storm, the system underwent [[rapid intensification|explosive intensification]] and became a typhoon on October 29.<ref>{{Cite JTWC|date=October 29, 2020|type=prog|category=TY|designation=22W|no=6|name=Goni|url=https://www.metoc.navy.mil/jtwc/products/wp2220prog.txt|archive-url=https://wiki.chlod.net/jtwc/prog/2020-10-29-0900-wp2220prog.txt}}</ref><ref>{{Cite web|last=|first=|date=October 29, 2020|title=Tropical Cyclone Information|url=http://www.jma.go.jp/en/typh/2019.html|url-status=dead|archive-url=https://web.archive.org/web/20201029155336/http://www.jma.go.jp/en/typh/2019.html|archive-date=October 29, 2020|access-date=October 29, 2020|website=[[Japan Meteorological Agency]]}}</ref> On October 29, at 09:30 UTC, Goni entered the PAR and was named ''Rolly'' by the PAGASA.<ref>{{Cite PAGASA|date=October 29, 2020|name=Rolly|intl_name=Goni|type=swb|no=1|category=TY|url=http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf|archive-url=https://web.archive.org/web/20201029152506/http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf}}</ref> By 18:00 UTC, Goni had intensified into a Category 4-equivalent typhoon, with 1-minute sustained winds at {{convert|120|kn|km/h mph}}.<ref>{{Cite JTWC|date=October 29, 2020|type=warn|category=TY|designation=22W|no=8|name=Goni|url=https://www.metoc.navy.mil/jtwc/products/wp2220web.txt|archive-url=https://wiki.chlod.net/jtwc/text/2020-10-29-2050-wp2220web.txt|accessdate=October 31, 2020}}</ref> The system was declared a super typhoon by the JTWC a few hours later, the second super typhoon of the season, before it intensified into the first Category 5-equivalent super typhoon of the season by 06:00 UTC on October 30.<ref>{{Cite JTWC|date=October 30, 2020|type=warn|category=TY|designation=22W|no=10|name=Goni|url=https://www.metoc.navy.mil/jtwc/products/wp2220web.txt|archive-url=https://wiki.chlod.net/jtwc/text/2020-10-30-0830-wp2220web.txt|accessdate=October 31, 2020}}</ref> After undergoing a brief [[eyewall replacement cycle]] on October 31, which is typical for a storm of such intensity,<ref>{{Cite JTWC|date=October 30, 2020|type=prog|category=TY|designation=22W|no=10|name=Goni|url=https://www.metoc.navy.mil/jtwc/products/wp2220prog.txt|archive-url=https://wiki.chlod.net/jtwc/prog/2020-10-30-0920-wp2220prog.txt|accessdate=October 31, 2020}}</ref> it resumed intensifying, with the JTWC, JMA, and [[Satellite Analysis Branch]] all assessing [[Dvorak technique]] T-numbers of 8.0, the highest on the scale. On this basis, the JTWC estimated 1-minute sustained winds of 315&nbsp;km/h (195&nbsp;mph), tying with [[Typhoon Haiyan]] in [[2013 Pacific typhoon season|2013]] and [[Typhoon Meranti]] in [[2016 Pacific typhoon season|2016]] as the highest reliably estimated in the [[Eastern Hemisphere]]. Meanwhile, the JMA estimated a central barometric pressure of 905&nbsp;hPa (mbar; 26.72&nbsp;inHg).<ref>https://web.archive.org/web/20201031214651/https://www.metoc.navy.mil/jtwc/products/wp2220web.txt</ref><ref>https://www.ssd.noaa.gov/PS/TROP/DATA/ATCF/JTWC/awp222020.dat</ref>
As the system continued tracking westward under favorable conditions in the Pacific Ocean, the JMA and JTWC upgraded the system into a tropical storm, with the JMA assigning the name ''Goni'' to the intensifying storm.<ref>{{Cite JTWC|date=October 28, 2020|type=warn|category=TS|designation=22W|no=3|name=Twentytwo|url=https://www.metoc.navy.mil/jtwc/products/wp2220web.txt|archive-url=https://wiki.chlod.net/jtwc/text/2020-10-28-1350-wp2220web.txt}}</ref><ref>{{Cite JTWC|date=October 28, 2020|type=warn|category=TS|designation=22W|no=3|name=Twenty-two|url=https://www.metoc.navy.mil/jtwc/products/wp2220prog.txt|archive-url=https://wiki.chlod.net/jtwc/prog/2020-10-28-1400-wp2220prog.txt}}</ref><ref>{{Cite web|last=|first=|date=October 28, 2020|title=Tropical Cyclone Information|url=http://www.jma.go.jp/en/typh/2019.html|url-status=dead|archive-url=https://web.archive.org/web/20201029011511/http://www.jma.go.jp/en/typh/2019.html|archive-date=October 29, 2020|access-date=October 28, 2020|website=[[Japan Meteorological Agency]]}}</ref> The PAGASA followed with an upgrade to a severe tropical storm a few hours later.<ref>{{Cite PAGASA|date=October 29, 2020|name=|intl_name=Goni|type=tca|no=3|category=STS|url=http://pubfiles.pagasa.dost.gov.ph/tamss/weather/tca/TCA%233.pdf|archive-url=https://archive.org/download/pagasa-20-22W/PAGASA_20-22W_Rolly_TCA%2303.pdf}}</ref> Due to the warm waters surrounding the storm, the system underwent [[rapid intensification|explosive intensification]] and became a typhoon on October 29.<ref>{{Cite JTWC|date=October 29, 2020|type=prog|category=TY|designation=22W|no=6|name=Goni|url=https://www.metoc.navy.mil/jtwc/products/wp2220prog.txt|archive-url=https://wiki.chlod.net/jtwc/prog/2020-10-29-0900-wp2220prog.txt}}</ref><ref>{{Cite web|last=|first=|date=October 29, 2020|title=Tropical Cyclone Information|url=http://www.jma.go.jp/en/typh/2019.html|url-status=dead|archive-url=https://web.archive.org/web/20201029155336/http://www.jma.go.jp/en/typh/2019.html|archive-date=October 29, 2020|access-date=October 29, 2020|website=[[Japan Meteorological Agency]]}}</ref> On October 29, at 09:30 UTC, Goni entered the PAR and was named ''Rolly'' by the PAGASA.<ref>{{Cite PAGASA|date=October 29, 2020|name=Rolly|intl_name=Goni|type=swb|no=1|category=TY|url=http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf|archive-url=https://web.archive.org/web/20201029152506/http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf}}</ref> By 18:00 UTC, Goni had intensified into a Category 4-equivalent typhoon, with 1-minute sustained winds at {{convert|120|kn|km/h mph}}.<ref>{{Cite JTWC|date=October 29, 2020|type=warn|category=TY|designation=22W|no=8|name=Goni|url=https://www.metoc.navy.mil/jtwc/products/wp2220web.txt|archive-url=https://wiki.chlod.net/jtwc/text/2020-10-29-2050-wp2220web.txt|accessdate=October 31, 2020}}</ref> The system was declared a super typhoon by the JTWC a few hours later, the second super typhoon of the season, before it intensified into the first Category 5-equivalent super typhoon of the season by 06:00 UTC on October 30.<ref>{{Cite JTWC|date=October 30, 2020|type=warn|category=TY|designation=22W|no=10|name=Goni|url=https://www.metoc.navy.mil/jtwc/products/wp2220web.txt|archive-url=https://wiki.chlod.net/jtwc/text/2020-10-30-0830-wp2220web.txt|accessdate=October 31, 2020}}</ref> After undergoing a brief [[eyewall replacement cycle]] on October 31, which is typical for a storm of such intensity,<ref>{{Cite JTWC|date=October 30, 2020|type=prog|category=TY|designation=22W|no=10|name=Goni|url=https://www.metoc.navy.mil/jtwc/products/wp2220prog.txt|archive-url=https://wiki.chlod.net/jtwc/prog/2020-10-30-0920-wp2220prog.txt|accessdate=October 31, 2020}}</ref> it resumed intensifying, with the JTWC, JMA, and [[Satellite Analysis Branch]] all assessing [[Dvorak technique]] T-numbers of 8.0, the highest on the scale. On this basis, the JTWC estimated 1-minute sustained winds of 315&nbsp;km/h (195&nbsp;mph), tying with [[Typhoon Haiyan]] in [[2013 Pacific typhoon season|2013]] and [[Typhoon Meranti]] in [[2016 Pacific typhoon season|2016]] as the highest reliably estimated in the [[Eastern Hemisphere]]. Meanwhile, the JMA estimated a central barometric pressure of 905&nbsp;hPa (mbar; 26.72&nbsp;inHg).<ref>{{Cite JTWC|date=2020-10-31|type=warn|category=STY|designation=22W|no=16|name=Goni|url=https://www.metoc.navy.mil/jtwc/products/wp2220web.txt|archive-url=https://web.archive.org/web/20201031214651/https://www.metoc.navy.mil/jtwc/products/wp2220web.txt}}</ref><ref>{{Cite web|last=|first=|date=2020-11-01|title=Automated Tropical Cyclone Forecasting System|url=https://www.ssd.noaa.gov/PS/TROP/DATA/ATCF/JTWC/awp222020.dat|url-status=live|archive-url=https://web.archive.org/web/20201101083952/https://www.ssd.noaa.gov/PS/TROP/DATA/ATCF/JTWC/awp222020.dat|archive-date=2020-11-01|access-date=2020-11-01|website=[[National Oceanic and Atmospheric Administration]]}}</ref>


[[File:Goni_making_landfall_on_the_Philippines_on_October_31.gif|thumb|left|Typhoon Goni making landfall on Catanduanes Island, Philippines, at peak intensity]]
[[File:Goni_making_landfall_on_the_Philippines_on_October_31.gif|thumb|left|Typhoon Goni making landfall on Catanduanes Island, Philippines, at peak intensity]]

Revision as of 08:43, 1 November 2020

Not to be confused with Cyclone Gonu.

Goni (Rolly)
Current storm status
Typhoon  (JMA)
Current storm status
Category 4 super typhoon (1-min mean)
Satellite image
Forecast map
As of:06:00 UTC, November 1
Location:13°36′N 122°00′E / 13.6°N 122.0°E / 13.6; 122.0 (Goni (Rolly))
245 nmi (455 km; 280 mi) ESE of Manila, Philippines
Sustained winds:80 knots (150 km/h; 90 mph) (10-min mean)
130 knots (240 km/h; 150 mph) (1-min mean)
gusting to 115 knots (215 km/h; 130 mph)
Pressure:965 hPa (28.50 inHg)
Movement:W at 15 kn (28 km/h; 17 mph)
See more detailed information.

Typhoon Goni, known in the Philippines as Super Typhoon Rolly, is a weakening Category 4–equivalent super typhoon that recently made landfall as an extremely powerful Category 5–equivalent super typhoon on Catanduanes Island in the Philippines. The 19th named storm, ninth typhoon, and second super typhoon of the 2020 Pacific typhoon season, Goni originated as a tropical depression southwest of Guam on October 26. It was then named as Tropical Storm Goni on October 27. On the next day, Goni explosively intensified over the Philippine Sea, becoming a Category 5–equivalent super typhoon on October 30. Goni maintained Category 5 strength for over a day, before making landfall on Catanduanes as an extremely powerful typhoon, with 10-minute sustained winds of 220 km/h (140 mph),[1] 1-minute sustained winds of 315 km/h (195 mph), and a minimum central pressure of 905 hPa (mbar; 26.72 inHg). It is the strongest tropical cyclone observed worldwide thus far in 2020 and one of the most intense tropical cyclones on record.[2]

Meteorological history

Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

After Typhoon Molave devastated the Philippines, the Japan Meteorological Agency (JMA) announced the formation of a new tropical depression in the Pacific Ocean, west of the Mariana Islands, on October 27.[3] Given its proximity to the Philippine Area of Responsibility, along with its westward forecasted track, the PAGASA also began issuing advisories on the newly formed system.[4] By the next day, the JTWC had also followed and upgraded the system into a tropical depression.[5] The storm had good outflow and structure as it approached the Philippine Area of Responsibility.[6]

From left to right; Typhoon Molave, Tropical Storm Goni, and the precursor to Tropical Storm Atsani (at bottom right) on October 28, 2020.

As the system continued tracking westward under favorable conditions in the Pacific Ocean, the JMA and JTWC upgraded the system into a tropical storm, with the JMA assigning the name Goni to the intensifying storm.[7][8][9] The PAGASA followed with an upgrade to a severe tropical storm a few hours later.[10] Due to the warm waters surrounding the storm, the system underwent explosive intensification and became a typhoon on October 29.[11][12] On October 29, at 09:30 UTC, Goni entered the PAR and was named Rolly by the PAGASA.[13] By 18:00 UTC, Goni had intensified into a Category 4-equivalent typhoon, with 1-minute sustained winds at 120 knots (220 km/h; 140 mph).[14] The system was declared a super typhoon by the JTWC a few hours later, the second super typhoon of the season, before it intensified into the first Category 5-equivalent super typhoon of the season by 06:00 UTC on October 30.[15] After undergoing a brief eyewall replacement cycle on October 31, which is typical for a storm of such intensity,[16] it resumed intensifying, with the JTWC, JMA, and Satellite Analysis Branch all assessing Dvorak technique T-numbers of 8.0, the highest on the scale. On this basis, the JTWC estimated 1-minute sustained winds of 315 km/h (195 mph), tying with Typhoon Haiyan in 2013 and Typhoon Meranti in 2016 as the highest reliably estimated in the Eastern Hemisphere. Meanwhile, the JMA estimated a central barometric pressure of 905 hPa (mbar; 26.72 inHg).[17][18]

Typhoon Goni making landfall on Catanduanes Island, Philippines, at peak intensity

At 20:50 UTC on October 31, Goni made landfall in Bato, Catanduanes, Philippines at peak intensity. By 1-minute sustained winds, this made Goni the strongest tropical cyclone to ever make landfall anywhere in the world.[19][20]

Current storm information

As of 06:00 UTC November 1, Typhoon Goni (Rolly) is located near 13°36′N 122°00′E / 13.6°N 122.0°E / 13.6; 122.0 (Goni), and about 245 nautical miles (455 km; 280 mi) east-southeast of Manila, Philippines. Maximum 10-minute sustained winds are at 80 knots (150 km/h; 90 mph), while maximum 1-minute sustained winds are at 130 knots (240 km/h; 150 mph), with gusts up to 115 knots (215 km/h; 130 mph). The minimum central barometric pressure is 965 hPa (28.50 inHg), and the system is moving west at 15 kn (28 km/h; 17 mph).

For the latest official information, see:

Watches and warnings

Active tropical cyclone warning signals issued by the PAGASA for Goni.
Philippines (as of 03:00 UTC (11:00 PHT))
Signal #4
Winds of 118–184 km/h (73–114 mph) are expected to occur within 12 hours.
Signal #3
Winds of 89–117 km/h (55–72 mph) are expected to occur within 18 hours.
Signal #2
Winds of 62–88 km/h (39–54 mph) are expected to occur within 24 hours.
Signal #1
Winds of 39–61 km/h (24–38 mph) are expected to occur within 36 hours.
Source: PAGASA

Preparations

Philippines

The Bicol Regional Disaster Risk Reduction and Management Council (RDRRMC) issued a no-sail policy that was put in place on October 29.[21] The Philippine Coast Guard stopped giving travel permits to sea vessels bound for the Polillo Island.[22] On October 30 at 8:00 PHT (0:00 UTC), authorities of Quezon placed the province in red alert in preparation for the storm, which requires operation and monitoring teams to be available at all times as the typhoon worsens. At the same time, the Camarines Norte Incident Management Team began evacuating 35,000 families, around 159,000 people, from high-risk areas, including coastal villages inside the province's bayside capital, Daet.[23] On the same day, the NDRRMC raised a nationwide red alert in preparation for the storm's impact.[24]

The Research Institute for Tropical Medicine, one of the largest COVID-19 sample testing laboratories in the country, announced a temporary suspension of operations on November 1 and 2 in order to mitigate damage to their building and equipment.[23] As the typhoon neared the country, the Philippine Institute of Volcanology and Seismology had issued advisories warning of possible lahar contamination of nearby rivers and drainage areas near Mount Pinatubo, the Mayon Volcano, and the Taal Volcano.[25][26]

On the morning of the October 31, PAGASA raised a Signal #3 tropical cyclone warning signal for Catanduanes, with the same signal being raised for the northeastern portions of both Albay and Camarines Sur a few hours later.[27][28] Local governments across Camarines Sur began forced evacuations, with the province's Provincial Disaster Risk Reduction and Management Council expecting the evacuation of 20,000 families before noon.[29] By noon, the Camarines Norte government had evacuated 6,645 individuals from 75 villages out of a planned 159,000.[30] Food packs worth 8.3 million, non-food items worth 26.42 million, and 3 million in stand-by funds were prepared in the Bicol Region by the Department of Social Welfare and Development, together with local disaster response agencies. Evacuation centers in Aurora were also prepared, with some school buildings designated for use as shelters.[31][32] In Metro Manila, mayors of the constituent cities have begun their own preparations for the upcoming typhoon, such as halting construction and ordering the dismantling of tents and other outdoor structures. The Disaster Risk Reduction and Management Office of Manila has prepared rescue boats for potential rescue operations.[33]

By evening, PAGASA raised the first Signal #4 tropical cyclone warning of the year in Catanduanes and the eastern portion of Camarines Sur, and in the northern portion of Albay a few hours later.[34][35] By the end of the day, almost a million individuals were evacuated: 749,000 from Albay and 200,000 from Camarines Sur; this exceeded the number of people evacuated ahead of Typhoon Haiyan in 2013.[36][37][20] The Manila International Airport Authority announced that the Ninoy Aquino International Airport would be temporarily closed for 24 hours, beginning 10:00 AM the following day.[38] Closures in ports left 1,300 passengers stranded in Bicol and Eastern Visayas.[39] By the early morning of November 1, PAGASA raised Signal #5 in Catanduanes, Camarines Norte, and the eastern portion of Camarines Sur.[19]

Impact

Super Typhoon Goni prior to making landfall in Bato, Catanduanes

Philippines

At 20:50 UTC on October 31 (4:50 PHT), Goni made its first landfall in Catanduanes at peak intensity, bringing violent, catastrophic winds.[40] By 8:00 AM (0:00 UTC), power outages were widespread in the Bicol Region, as 10 electric cooperatives exhausted their supplies.[41] In Albay, four people were killed by the storm. Two evacuation centers lost their roofs from the force of the wind. In Legazpi, flash floods overwhelmed the local villages, and roads were blocked by debris from the mountains and from the Mayon Volcano.[42]

Records

At landfall, the JTWC estimated Goni's 1-minute sustained winds to be 315 km/h (195 mph), the highest of any landfalling tropical cyclone worldwide, and tied with the peak wind speeds of Typhoon Haiyan and Typhoon Meranti as the highest reliably estimated in the eastern Hemisphere.[43]

See also

References

  1. ^ "Typhoon 202019 (GONI) - Detailed Wind Information (Japan Meteorological Agency Best Track Data)". Digital Typhoon. National Institute of Informatics. Archived from the original on November 1, 2020.
  2. ^ Samenow, Jason. "Super Typhoon Goni explodes into 2020's strongest storm on Earth, moves toward Philippines". The Washington Post. Retrieved October 31, 2020.
  3. ^ "Tropical Cyclone Information". Japan Meteorological Agency. October 27, 2020. Archived from the original on October 27, 2020. Retrieved October 27, 2020.
  4. ^ "Tropical Cyclone Advisory #1 for Tropical Depression" (PDF). PAGASA. October 27, 2020. Archived from the original (PDF) on October 27, 2020. Retrieved October 27, 2020.
  5. ^ Tropical Depression 22W (Twentytwo) Warning No. 1 (Report). United States Joint Typhoon Warning Center. October 28, 2020. Retrieved October 28, 2020. {{cite report}}: |archive-url= requires |archive-date= (help)
  6. ^ Prognostic Reasoning for Tropical Depression 22W (Twenty-two) Warning No. 2 (Report). United States Joint Typhoon Warning Center. October 28, 2020. Retrieved October 28, 2020. {{cite report}}: |archive-url= requires |archive-date= (help)
  7. ^ Tropical Storm 22W (Twentytwo) Warning No. 3 (Report). United States Joint Typhoon Warning Center. October 28, 2020. Retrieved October 28, 2020. {{cite report}}: |archive-url= requires |archive-date= (help)
  8. ^ Tropical Storm 22W (Twenty-two) Warning No. 3 (Report). United States Joint Typhoon Warning Center. October 28, 2020. Retrieved October 28, 2020. {{cite report}}: |archive-url= requires |archive-date= (help)
  9. ^ "Tropical Cyclone Information". Japan Meteorological Agency. October 28, 2020. Archived from the original on October 29, 2020. Retrieved October 28, 2020.
  10. ^ "Tropical Cyclone Advisory #3 for Severe Tropical Storm 'Goni'" (PDF). PAGASA. October 29, 2020. Archived from the original (PDF) on October 29, 2020. Retrieved October 29, 2020.
  11. ^ Prognostic Reasoning for Typhoon 22W (Goni) Warning No. 6 (Report). United States Joint Typhoon Warning Center. October 29, 2020. Retrieved October 29, 2020. {{cite report}}: |archive-url= requires |archive-date= (help)
  12. ^ "Tropical Cyclone Information". Japan Meteorological Agency. October 29, 2020. Archived from the original on October 29, 2020. Retrieved October 29, 2020.
  13. ^ "Severe Weather Bulletin #1 for Typhoon 'Rolly' (Goni)" (PDF). PAGASA. October 29, 2020. Archived from the original (PDF) on October 29, 2020. Retrieved October 29, 2020.
  14. ^ Typhoon 22W (Goni) Warning No. 8 (Report). United States Joint Typhoon Warning Center. October 29, 2020. Retrieved October 29, 2020. {{cite report}}: |archive-url= requires |archive-date= (help)
  15. ^ Typhoon 22W (Goni) Warning No. 10 (Report). United States Joint Typhoon Warning Center. October 30, 2020. Retrieved October 30, 2020. {{cite report}}: |archive-url= requires |archive-date= (help)
  16. ^ Prognostic Reasoning for Typhoon 22W (Goni) Warning No. 10 (Report). United States Joint Typhoon Warning Center. October 30, 2020. Retrieved October 30, 2020. {{cite report}}: |archive-url= requires |archive-date= (help)
  17. ^ Category 4-Equivalent Super Typhoon 22W (Goni) Warning No. 16 (Report). United States Joint Typhoon Warning Center. October 31, 2020. Retrieved October 31, 2020. {{cite report}}: |archive-url= requires |archive-date= (help)
  18. ^ "Automated Tropical Cyclone Forecasting System". National Oceanic and Atmospheric Administration. November 1, 2020. Archived from the original on November 1, 2020. Retrieved November 1, 2020.
  19. ^ a b "Rolly makes landfall over Bato, Catanduanes; Signal No. 5 up over 3 areas". GMA News Online. Retrieved October 31, 2020.
  20. ^ a b Johnathan Belles (October 31, 2020). "Super Typhoon Goni Now The Strongest Cyclone To Make Landfall Since 2013's Haiyan". weather.com. The Weather Company. Retrieved October 31, 2020.
  21. ^ Niño Luces (October 29, 2020). "No sailing policy up in Bicol region due to approaching typhoon". mb.com.ph. Manila Bulletin. Retrieved October 29, 2020.
  22. ^ Jr, Delfin T. Mallari (October 30, 2020). "Quezon province under 'red alert' for 'Rolly'". INQUIRER.net. Retrieved October 30, 2020.
  23. ^ a b "'Rolly' prompts mass evacuations in Luzon". INQUIRER.net. October 31, 2020. Retrieved October 31, 2020.{{cite web}}: CS1 maint: url-status (link)
  24. ^ "Monitoring Dashboard". National Disaster Risk Reduction and Management Council. October 30, 2020. Archived from the original on October 30, 2020. Retrieved October 30, 2020.
  25. ^ Hallare, Katrina (October 31, 2020). "Mayon, Pinatubo, Taal mudflow, lahar possible as 'Rolly' nears Luzon – Phivolcs". INQUIRER.net. Retrieved October 31, 2020.
  26. ^ "Lahar Advisory for Monitored Volcanoes to Be Affected by Typhoon Rolly (Goni)". PHIVOLCS. October 30, 2020. Archived from the original on October 31, 2020. Retrieved October 31, 2020.
  27. ^ "Severe Weather Bulletin #7 for Typhoon 'Rolly' (Goni)" (PDF). PAGASA. October 31, 2020. Archived from the original (PDF) on October 31, 2020. Retrieved October 31, 2020.
  28. ^ "Severe Weather Bulletin #8 for Typhoon 'Rolly' (Goni)" (PDF). PAGASA. October 31, 2020. Archived from the original (PDF) on October 31, 2020. Retrieved October 31, 2020.
  29. ^ Mier-Manjares, Maria April (October 31, 2020). "Typhoon Rolly update: Evacuation of vulnerable Camarines residents in full swing". INQUIRER.net.
  30. ^ Mier-Manjares, Ma. April (October 31, 2020). "Typhoon Rolly update: Evacuation of vulnerable Camarines residents in full swing". INQUIRER.net. Retrieved October 31, 2020.{{cite web}}: CS1 maint: url-status (link)
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External links

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