Capturing Typhoon Alley (Full Episode) | Gathering Storm | National Geographic

Typhoon Kammuri: A Detailed Account of its Impact on Guam and the Philippines

Key Concepts:

• Typhoon/Hurricane/Tropical Cyclone: Different regional names for the same meteorological phenomenon – a rotating, organized system of clouds and thunderstorms originating over tropical or subtropical waters.
• Typhoon Alley: The Northwest Pacific Ocean region, known for its high frequency of typhoon formation.
• NOAA (National Oceanic and Atmospheric Administration): US government agency focused on the conditions of the oceans and the atmosphere.
• PAGASA (Philippine Atmospheric, Geophysical and Astronomical Services Administration): The Philippines’ national meteorological agency.
• Storm Surge: A rise in sea level caused by the strong winds of a storm pushing water towards the shore.
• Eyewall: The ring of intense thunderstorms surrounding the eye of a tropical cyclone, containing the strongest winds.
• Infrared Imagery: A type of satellite imagery used to detect cloud top temperatures, indicating storm intensity.
• Port Condition (Whisky, Yankee): Levels of alert used by the US Coast Guard to prepare for approaching storms, dictating ship movement and harbor security measures.

I. The Brewing Storm & Guam’s Preparations

The narrative begins with the observation of a developing tropical cyclone in the Northwest Pacific, quickly named Kammuri. Located 4,000 miles west of Hawaii, the storm’s formation occurs within “Typhoon Alley,” a region notorious for its high frequency of typhoons. NOAA meteorologist, Landon Aydlett, details the agency’s week-long monitoring of the system, noting its potential to escalate into a typhoon. At this stage, Kammuri possesses winds exceeding 40 mph.

Guam, a US territory and strategically vital military base, prepares for the approaching storm. Marine workers are equipped with cameras by National Geographic to document the storm’s progression – a unique initiative to capture storm data on a global scale. Captain Justin Reyes of the crew boat Leatherneck is tasked with ferrying crew members back to their ships as a precautionary measure. The port of Guam, described as the “lifeblood” of the region, faces the critical decision of whether to shut down operations to protect vessels. The Coast Guard, under Captain Chris Chase, assesses the escalating sea state, noting a rapid increase from 10-12 foot swells to nearly 20 feet within five hours. Guam’s unique vulnerability, being the US territory with the highest risk of typhoon strikes, necessitates constant preparedness (“port heavy weather condition Whisky”).

II. Kammuri Intensifies & Ships Take Evasive Action

As Kammuri demonstrates increasing power, Guam is placed on standby. The storm’s intensification is accompanied by rattling windows and doors, foreshadowing the severity of the approaching weather. The narrative follows Mitch Torres aboard the motor vessel Dorado, en route from Guam to Rota, experiencing increasingly rough seas with winds between 18-27 knots and 5-7 foot swells.

The decision is made to order all ships to leave port, raising the harbor alert level to “Yankee.” Captain Mike Ulloa, aboard the tug Patriot, escorts navy and commercial ships to open waters, emphasizing the importance of preventing any vessel from being grounded in the harbor, which would disrupt vital supply lines. The Coast Guard conducts further assessments of the sea state, noting increasing wave size and wind speeds, and acknowledging the potential for rapid changes in operational capabilities.

III. Kammuri’s Trajectory & Threat to the Philippines

Satellite data, particularly from the Himawari 8 geostationary satellite, reveals a shift in Kammuri’s trajectory. While Guam is spared a direct hit, the storm continues westward, posing a significant threat to the Philippines. The narrative highlights the Philippines’ extreme vulnerability to typhoons, averaging 30-35 tropical cyclones annually and having experienced the devastating Typhoon Haiyan in 2013, which claimed over 6,000 lives.

The Joint Typhoon Warning Center (JTWC) in Pearl Harbor, Hawaii, monitors Kammuri’s progress and issues warnings to US Navy assets across the Pacific. The storm’s cloud tops reach a record low temperature of -164.9 degrees Celsius, indicating its immense power. Storm chaser Josh Morgerman travels to the Philippines, anticipating a major impact.

IV. Philippine Preparations & Kammuri’s Landfall

PAGASA, the Philippine weather agency, initiates preparations for Kammuri’s arrival, issuing warnings and monitoring the storm’s track. Meteorologist Chris Perez emphasizes the challenges of forecasting, acknowledging that models aren’t always accurate. The fishing boat Ron Kirby 2, with first mate Aldrin Apa and crew, heads towards its home port of Infanta, but faces the risk of being caught in the storm. Christopher, the youngest crew member, is tasked with remaining aboard to secure the vessel.

As Kammuri approaches, PAGASA issues increasingly urgent warnings, including a red rainfall warning. The storm’s projected path targets the Bicol region and the densely populated areas around Manila. Kammuri intensifies to a Category 3 typhoon, with wind speeds reaching 130 mph, and then to Category 4. Willie Tuazon, a PAGASA storm observer, records gusts of 150 mph in Tabaco City, which bears the brunt of the storm’s initial impact.

V. Impact & Aftermath

Kammuri makes landfall in the Philippines, unleashing torrential rainfall and a 10-foot storm surge. Josh Morgerman, positioned in Legazpi City, documents the storm’s intensity, including power outages and the relentless pounding of wind and waves. Christopher, aboard the Ron Kirby 2, endures the storm’s fury while securing the vessel.

Following the storm, PAGASA begins assessing the damage and reporting casualties. Kammuri claims 17 lives. Aldrin returns to Infanta to check on his family and the boat. The narrative concludes by emphasizing the Philippines’ perpetual vulnerability to typhoons and the inevitability of future storms.

Notable Quotes:

• Josh Morgerman: “The Philippines is by far, absolutely the world’s hot spot for violent tropical cyclones, it’s unlike anywhere else.”
• Landon Aydlett (NOAA): “Describing a storm surge as a tsunami in a typhoon is a fairly good way to explain it.”
• Chris Chase (US Coast Guard): “The port of Guam is the lifeblood of not only this island, but all of the islands throughout the region.”

Data & Statistics:

• Kammuri’s initial wind speed: Over 40 mph (Tropical Storm classification).
• Guam sea swell increase: From 10-12 feet to nearly 20 feet in 5 hours.
• Northwest Pacific super typhoons in the last 20 years: 94 (over four times the number in the Atlantic).
• Average number of tropical cyclones in the Northwest Pacific annually: 30-35.
• Typhoon Haiyan wind gusts (2013): 235 mph.
• Average number of major storms entering Philippine waters annually: 20.
• Kammuri’s peak wind speed: 130 mph (Category 4 typhoon).
• Kammuri’s death toll in the Philippines: 17.

Conclusion:

This account provides a detailed and immersive look at Typhoon Kammuri’s journey from a developing tropical storm to a powerful typhoon impacting both Guam and the Philippines. It highlights the critical role of meteorological agencies like NOAA and PAGASA in monitoring and forecasting these events, the importance of preparedness measures, and the devastating consequences of these storms, particularly for vulnerable regions like the Philippines. The narrative underscores the increasing frequency and intensity of typhoons in the Northwest Pacific, emphasizing the need for continued vigilance and improved disaster resilience strategies.