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Tina (Eastern Pacific)

NASA Spots Post-Tropical Storm Tina’s Remnant Clouds

Tropical Storm Tina was short-lived. NOAA’s GOES-West satellite captured the remnants of the storm that formed, reached tropical storm status and fizzled in one day.

Tropical Depression Tina seen by GOES
This visible image of the remnant clouds from Tropical Depression Tina was taken from NOAA’s GOES-West satellite on Nov. 15 at 1400 UTC (9:00 a.m. EST).
Credits: NASA/NOAA’s GOES Project

At 10 a.m. EST (1500 UTC) on Nov. 14, the National Hurricane Center (NHC) had issued its final advisory on Tina. At that time, former Tropical Depression Tina weakened to a remnant low pressure area. Tina’s remnants were about 275 miles (445 km) south of the southern tip of Baja California, Mexico. Maximum sustained winds had decreased to near 30 mph (45 kph) with higher gusts and minimum central pressure was 1009 millibars.

A visible image of Tina’s remnant cloud was taken from NOAA’s GOES-West satellite on Nov. 15 at 1400 UTC (9:00 a.m. EST). The image showed a wedge of clouds northeast of the center of circulation. NHC Forecaster Aguirre noted “Latest satellite imagery shows an exposed low-level cloud swirl depicting the low. The imagery also shows that new deep convection of the scattered moderate isolated type has recently formed between 60 to 120 nautical miles of the low’s center in the north quadrant with scattered moderate convection to the northeast of the low.”

The image was created by NASA/NOAA’s GOES Project at the NASA Goddard Space Flight Center in Greenbelt, Maryland.

The NHC Tropical Weather Discussion on Nov. 15 at 1105 UTC (6:05 a.m. EST) explained that Tina’s remnants were centered near 19.0 degrees north latitude and 110 degrees west longitude.

The Discussion noted that strong winds associated with the low continue to decrease in coverage. Strongest winds were in the northwestern quadrant up to 20 to 25 knots (23 to ~29 mph/37 to ~46 kph) out to 60 nautical miles of the center. Those winds were generating seas between 8 and 9 feet (2.7 meters).

The low is forecast to continue to track to the west and encounter very hostile atmospheric conditions into tonight it will weaken further, and eventually open to a trough (elongated area of low pressure) by Wednesday, Nov. 16.

Rob Gutro
NASA’s Goddard Space Flight Center

Nov. 14, 2016 – NASA Sees Fast-Developing Tropical Storm Tina

A late-season tropical storm named Tina formed offshore of the southwestern coast of Mexico on Sunday, Nov. 13 at 11 p.m. EST. It developed quickly from a tropical low pressure area previously designated as System 92E. A NASA animation of imagery from NOAA’s GOES-West satellite shows Tina’s development and weakening to depression status.

Tina taken by GOES-West
This visible image of Tropical Depression Tina was taken from NOAA’s GOES-West satellite on Nov. 14 at 1545 UTC (10:45 a.m. EST). Strongest thunderstorms are now northeast of the center while clouds surrounding the center are sparse.
Credits: NASA/NOAA’s GOES Project

At 10 a.m. EST (1500 UTC) on Nov. 14 the center of Tropical Depression Tina was located near 19.0 degrees north latitude and 108.7 degrees west longitude. That’s about 285 miles west of Manzanillo, Mexico. The depression is moving toward the west-northwest near 7 mph (11 kph) and the National Hurricane Center forecasts a turn to the west later in the day.

Late on Nov. 13 when the storm formed, maximum sustained winds were up to 40 mph (65 kph), but by 10 a.m. EST on Nov. 14, maximum sustained winds had decreased to near 35 mph (55 kph) with higher gusts.

At NASA/NOAA’s GOES Project at the NASA Goddard Space Flight Center in Greenbelt, Maryland, infrared and visible imagery from NOAA’s GOES-West satellite was combined to create an animation showing the development of the storm from Nov. 12 to Nov. 14. GOES-West imagery on Nov. 14 showed that the strongest thunderstorms are now confined to a narrow curved band about 90 nautical miles northeast of the center while clouds surrounding the center are sparse.

This NASA animation of NOAA’s GOES-West satellite imagery shows Tina’s development from Nov. 12 to Nov. 14. Strongest thunderstorms are now northeast of the center while clouds surrounding the center are sparse.
Credits: NASA/NOAA’s GOES Project

The National Hurricane Center noted that Tina is expected to produce additional rain accumulations of up to 1 inch over portions of Colima and western Jalisco states in Mexico today, Nov. 14. There are no coastal watches or warnings in effect.

Additional weakening is forecast because very strong southwesterly wind shear of almost 40 knots (46 mph/74 kph) and dry air will continue to affect the cyclone during the next couple of days. Tina is expected to become a remnant low tonight or on Tuesday.

Rob Gutro
NASA’s Goddard Space Flight Center