Nav: Home

Satellite imagery shows Typhoon Kammuri's center obscured

December 02, 2019

NASA-NOAA's Suomi NPP or S-NPP satellite passed over the Philippine Sea in the Northwestern Pacific Ocean and found Typhoon Kammuri's eye obscured.

Since Kammuri has now entered the Philippine Area of Responsibility, defined by the World Meteorological Organization, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), it has been assigned a parallel name of "Tisoy." The rational is that it is felt that Filipinos will respond more to familiar names and that it helps to underscore that these named weather disturbances pose a direct threat to the country.  However, for the purposes of these discussions, the international recognized name designated by the Regional Specialized Meteorological Center (RSMC) Tokyo --Kammuri--will be used.

The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) continues to track Kammuri in order to assess the impacts on the various islands in the path of the storm. In anticipation of the storm, PAGASA has continued to issue flood alerts to various locations. This is especially important due to the fact most of the population is along the coast and in low-lying areas.

NASA-NOAA's S-NPP satellite saw Typhoon Kammuri on Nov. 30 at 1:04 p.m. EST (1604 UTC) on the extreme western side of the pass for the satellite. Imagery continued to show a large central dense overcast (CDO) that would obscure the low-level circulation.

The CDO of a tropical cyclone is the large central area of thunderstorms surrounding its circulation center. It is caused by the formation of its eyewall. It can be round, angular, oval, or irregular.

Several prominent features in the CDO include tropospheric gravity waves along with multiple overshooting tops. In addition, while this normally would be in the "noisy" part of the scene for the Day Night Band on S-NPP, there was still enough signal from the airglow (the moon was at waxing crescent with 16% illumination) to see mesospheric gravity waves along with a single lone lightning streak within the CDO. Infrared data revealed temperatures of cloud tops were as cold as 119 Kelvin (minus 117.6 degrees Fahrenheit/minus 83.1 degrees Celsius).

On Dec. 2, visible imagery from the Moderate Resolution Imaging Spectroradiometer or MODIS instrument aboard NASA's Terra satellite showed that Kammuri's eye continued to be covered by clouds. The western quadrant of Kammuri was already over the eastern central Philippines.

On Dec. 2, 2019 at 4 a.m. EST (0900 UTC) Typhoon Kammuri (Tisoy in the Philippines) was located near latitude 13.0 degrees north, and longitude 125.6 degrees east, about 285 nautical miles east-southeast of Manila, Philippines.  Kammuri (Tisoy) is moving west and had maximum sustained winds 105 knots (121 mph/193 kph).

At 7 a.m. EST (1200), PAGASA raised 3 warning signals on Dec. 2. Tropical Cyclone Wind Signal number 3 is in effect for Luzon: Catanduanes, Camarines Sur, Albay, Sorsogon, southern portion of Camarines Norte, Masbate including Ticao and Burias Islands, Romblon, and southern portion of Quezon. In the central Philippines, it is in effect for the region of Visayas: Northern Samar, northern portion of Eastern Samar (Can-avid, Dolores, Maslog, Oras, Arteche, Jipapad, San Policarpio), and northern portion of Samar.

Tropical Cyclone Wind Signal number 2 is in effect in the northern Philippines for the region of Luzon: Metro Manila, Bulacan, Bataan, Tarlac, Pampanga, Nueva Ecija, southern Aurora, Cavite, Batangas, Laguna, Rizal, rest of Quezon including Polillo Islands, Oriental Mindoro, Occidental Mindoro, Marinduque, rest of Camarines Norte, Calamian Islands, southern portion of Zambales, In Visayas the signal covers: the rest of Eastern Samar, rest of Samar, Biliran, Aklan, Capiz, northern portion of Antique, northern portion of Iloilo, northern portion of Negros Occidental, Northern Cebu, and northern portion of Leyte.

Tropical Cyclone Wind Signal number 1 is in effect in the northern Philippines for the region of Luzon: Southern Isabela, Mountain Province, Ifugao, Benguet, Nueva Vizcaya, Ilocos Sur, La Union, Pangasinan, Quirino, rest of Aurora, and rest of Zambales. In Visayas: Rest of Antique, rest of Iloilo, Guimaras, rest of Negros Occidental, Metro Cebu, rest Leyte, and Southern Leyte. And in the region of Mindanao it is in effect for: Dinagat Islands and Siargao Island

Kammuri is moving in a westerly direction as it approaches the eastern Philippines. The Joint Typhoon Warning Center expects that the storm will strengthen slightly today, Dec. 2, but will then start to weaken. The typhoon is then expected to turn east-northeast as it passes through the Philippine archipelago, but will then veer southwest, weaken and dissipate.
-end-
For updated forecasts from PAGASA, visit: http://www.pagasa.dost.gov.ph

NASA/Goddard Space Flight Center

Related Tropical Cyclone Articles:

NASA find Herold a fading ex-tropical cyclone
Former Tropical Cyclone Herold is now a fading area of low-pressure in the Southern Indian Ocean and NASA's Aqua satellite provided forecasters with a visible image.
NASA sees Tropical Cyclone Herold's eye
NASA's Aqua satellite passed over the Southern Indian Ocean and captured an image of a well-developed Tropical Cyclone Herold at hurricane strength, east of Madagascar.
A new method to improve tropical cyclone intensity forecasts
There are many reasons for model errors in numerical weather forecasting of tropical cyclone intensity.
NASA catches the dissipation of Tropical Cyclone Claudia
Tropical Cyclone Claudia was dissipating in the Southern Indian Ocean when NASA's Terra satellite captured a visible image of storm as it flew overhead in its orbit around the Earth.
NASA finds tropical cyclone 02S consolidating
NASA's Aqua satellite captured an image of Tropical cyclone 02S and the visible image showed that the storm was getting better organized.
NASA finds Tropical Cyclone's Vayu getting stretched
When NASA's Aqua satellite passed over the Northern Indian Ocean, it captured an infrared image that revealed Tropical Cyclone Vayu was elongating.
NASA takes Tropical Cyclone's Vayu's temperature
NASA's Aqua satellite passed over the Northern Indian Ocean and took the temperature of Tropical Cyclone Vayu as it moved northward in the Arabian Sea.
NASA catches development of Tropical Cyclone 02A
Visible imagery from NASA's Terra satellite provided confirmation of the development of Tropical Cyclone 02A in the Arabian Sea, Northern Indian Ocean.
NASA goes infrared on powerful Tropical Cyclone Fani
NASA's Aqua satellite focused an infrared eye on a very powerful Tropical Cyclone Fani as it approached landfall in northeastern India.
NASA finds a more circular Tropical Cyclone Lorna
NASA-NOAA's Suomi NPP satellite passed over the Southern Indian Ocean and captured a visible image of what appeared to be a more organized Tropical Cyclone Lorna.
More Tropical Cyclone News and Tropical Cyclone Current Events

Trending Science News

Current Coronavirus (COVID-19) News

Top Science Podcasts

We have hand picked the top science podcasts of 2020.
Now Playing: TED Radio Hour

Climate Mindset
In the past few months, human beings have come together to fight a global threat. This hour, TED speakers explore how our response can be the catalyst to fight another global crisis: climate change. Guests include political strategist Tom Rivett-Carnac, diplomat Christiana Figueres, climate justice activist Xiye Bastida, and writer, illustrator, and artist Oliver Jeffers.
Now Playing: Science for the People

#562 Superbug to Bedside
By now we're all good and scared about antibiotic resistance, one of the many things coming to get us all. But there's good news, sort of. News antibiotics are coming out! How do they get tested? What does that kind of a trial look like and how does it happen? Host Bethany Brookeshire talks with Matt McCarthy, author of "Superbugs: The Race to Stop an Epidemic", about the ins and outs of testing a new antibiotic in the hospital.
Now Playing: Radiolab

Speedy Beet
There are few musical moments more well-worn than the first four notes of Beethoven's Fifth Symphony. But in this short, we find out that Beethoven might have made a last-ditch effort to keep his music from ever feeling familiar, to keep pushing his listeners to a kind of psychological limit. Big thanks to our Brooklyn Philharmonic musicians: Deborah Buck and Suzy Perelman on violin, Arash Amini on cello, and Ah Ling Neu on viola. And check out The First Four Notes, Matthew Guerrieri's book on Beethoven's Fifth. Support Radiolab today at Radiolab.org/donate.