NASA sees developing Tropical Storm Halong causing warning

July 30, 2014
NASA's Aqua satellite passed over Tropical Storm Halong on July 29 at 03:29 UTC infrared data showed very cold thunderstorm cloud top temperatures of surrounding the center and developing eye. Credit: NASA JPL

NASA infrared satellite data revealed that Tropical Storm Halong is surrounded by strong thunderstorms and an eye appears to be developing.

When NASA's Aqua satellite passed over Tropical Storm Halong on July 29 at 03:29 UTC (July 28 at 11:29 p.m. EDT) the Atmospheric Infrared Sounder instrument captured data on the . The showed very cold, high thunderstorm cloud top temperatures of powerful storms surrounding the center, with what appears to be an eye developing. Microwave also shows a small eye, with tightly-curved bands of wrapping into it.

A warning is in force for Rota and a Tropical Storm Watch is in effect for Guam, while a typhoon watch is also in effect got Guam.

On July 29 at 1500 UTC (11 a.m. EDT), Tropical Storm Halong's maximum sustained winds were near 55 knots (63.2 mph/101.9 kph). Halong was centered near 13.7 north latitude, approximately 134 nautical miles (154 miles/248 km) east of Andersen Air Force Base. Halong has tracked northwestward at 11 knots (12.6 mph/20.3 kph).

The Joint Typhoon Warning Center forecast indicates that Halong will move to the west-northwest through the Marianas Islands while continuing to intensify.

Explore further: Newborn Tropical Storm Tapah threatens Saipan and Tinian

Related Stories

Newborn Tropical Storm Tapah threatens Saipan and Tinian

April 28, 2014

A tropical storm warning is in force for Saipan and Tinian as Tropical Storm Tapah moves north through the Northwestern Pacific Ocean on April 28. When NASA-NOAA's Suomi NPP satellite passed overhead and, imagery revealed ...

NASA sees powerful thunderstorms in Tropical Storm Matmo

July 18, 2014

Strong thunderstorms reaching toward the top of the troposphere circled Tropical Storm Matmo's center and appeared in a band of thunderstorms on the storm's southwestern quadrant. Infrared imagery from NASA's Aqua satellite ...

NASA sees Tropical Storm Hernan near Mexico's Baja California

July 28, 2014

Tropical Storm Hernan developed over this past weekend and reached hurricane strength before vertical wind shear kicked in and kicked the storm down. NASA's Terra satellite passed over Hernan when it was developing as a tropical ...

Recommended for you

Predictable ecosystems may be more fragile

October 7, 2015

When it comes to using our natural resources, human beings want to know what we're going to get. We expect clean water every time we turn on the tap; beaches free of algae and bacteria; and robust harvests of crops, fish ...

History shows more big wildfires likely as climate warms

October 5, 2015

The history of wildfires over the past 2,000 years in a northern Colorado mountain range indicates that large fires will continue to increase as a result of a warming climate, according to new study led by a University of ...


Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.