NASA sees power in Hurricane Sandy moving toward Bahamas

October 25, 2012

NASA's Aqua satellite passed over Hurricane Sandy as it was moving over eastern Cuba early on Oct. 25. The AIRS instrument captured an infrared image of Sandy that showed a large area of very high, cold cloud tops indicating the power within the storm. Sandy is now headed toward the Bahamas and warnings and watches have already been posted for the mainland U.S.

The Atmospheric Infrared Sounder (AIRS) instrument aboard NASA's Aqua satellite captured infrared imagery of Hurricane Sandy's eastern half on Oct. 25 at 0559 UTC (1:59 a.m. EDT) that showed some strong thunderstorms around the eye of Sandy. Those thunderstorms are reaching high into the troposphere where cloud top temperatures are as cold as -63 Fahrenheit (-52 Celsius). In previous studies, those areas where the temperatures were that cold indicated heavy rainfall.

By 11 a.m. EDT on Oct. 25, the eye was no longer apparent in satellite imagery or from aircraft observations. Forecasters at the National Hurricane Center noted that Sandy "has become somewhat disrupted on the western side by southwesterly flow from an upper-level low to the west."

Current Watches and Warnings

A Hurricane Warning is in effect for the Ragged Islands in the southeastern Bahamas, the Central Bahamas, the Northwestern Bahamas. A Tropical Storm Warning is in the effect for the Florida east coast from Ocean Reef to Flagler Beach, Lake Okeechobee, and the remainder of the southeastern Bahamas.

In addition, a Tropical Storm Watch is in effect for the Florida east coast from North of Flagler Beach to Fernandina Beach, Florida Upper Keys from Ocean Reef to Craig Key and Florida Bay.

Discontinued Watches and Warnings

As of 11 a.m. EDT several watches and warnings have been dropped as Sandy continues moving north. Cuba has discontinued the hurricane warning for the provinces of Camaguey, Las Tunas, Granma, Santiago de Cuba, Holguin, and Guantanamo. The tropical storm warning for Haiti has also been discontinued although heavy rains and gusty winds are expected to continue there today, Oct. 25.

Where is Sandy Now?

According to the National Hurricane Center, at 11 a.m. EDT on Thursday, Oct. 25, Hurricane Sandy's maximum sustained winds were near 105 mph (165 kph) with higher gusts. Sandy is a category two hurricane on the saffir- Simpson hurricane wind scale. Hurricane force winds extend outward up to 30 miles (45 km) from the center, while tropical-storm-force winds go up to 140 miles (220 km) from the center, making Sandy move than 280 miles in diameter. As a storm weakens, it tends to grow larger, so forecasters are closely watching Sandy.

Sandy is located near latitude 22.4 north and longitude 75.5 west. That's about 65 miles (110 km) south-southwest of Long Island, Bahamas and about 85 miles (135 km) south-southeast of Great Exuma Island. Sandy is moving toward the north near 16 mph (26 kph) and is expected to continue in that direction today, and turn north-northwest and slow down. The center of Sandy will move through the Central Bahamas later on Oct. 25 and through the northwestern Bahamas on Friday, Oct. 26. Sandy is expected to remain a hurricane as it moves through the Bahamas.
-end-
In Florida, local hurricane statements have been issued for Miami, Jacksonville, Melbourne and Key West. For more information about rainfall, winds and storm surge, visit the National Hurricane Center website at www.nhc.noaa.gov.

NASA/Goddard Space Flight Center

Related Hurricane Articles from Brightsurf:

Hurricane resilience in the Bahamas
A new Stanford-led study provides information on how to invest in natural coastal ecosystems that the Bahamian government, community leaders and development banks are applying in post-disaster recovery and future storm preparation in the Bahamas.

NASA finds a weaker hurricane Juliette
Hurricane Juliette has been weakening and NASA-NOAA's Suomi NPP satellite provided a look at the strength of storms within.

NASA sees Dorian become a hurricane
NASA's Terra satellite passed over the northwestern Atlantic Ocean as Dorian reached hurricane status during the afternoon of August 28, 2019.

Landslides triggered by Hurricane Maria
Hurricane Maria hit the island of Puerto Rico on 20 September 2017 and triggered more than 40,000 landslides in at least three-fourths of Puerto Rico's 78 municipalities.

NASA sees Atlantic's Leslie become a hurricane
NASA's Aqua satellite captured an infrared image of Hurricane Leslie that revealed strong storms circled the center.

NASA sees Walaka becoming a powerful Hurricane
The Global Precipitation Measurement mission or GPM core satellite passed over the Central Pacific Hurricane Center and analyzed Walaka's rainfall and cloud structure as it was strengthening into a hurricane.

NASA finds a weaker Hurricane Olivia
Infrared data from NASA's Terra satellite revealed that the area of coldest cloud topped thunderstorms has dropped from the previous day, indicating weaker uplift and less-strong storms

NASA looks at heavy rainmaker in Hurricane Lane
Cloud top temperatures provide scientists with an understanding of the power of a tropical cyclone.

Hector weakens but remains Category 4 Hurricane
Hurricane Hector has weakened slightly but still remains a robust Category Four storm at present.

UA forecast: Below-average hurricane activity
The UA hurricane forecasting model, which has proved to be extremely accurate over the years, is calling for fewer hurricanes in the Atlantic this year on the heels of a devastating 2017.

Read More: Hurricane News and Hurricane Current Events
Brightsurf.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.