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miércoles, 18 de noviembre de 2015

NASA : 97B - North Indian Ocean .-

Hola amigos:  A VUELO DE UN QUINDE EL BLOG., Durante la semana pasada extrema precipitaciones a partir de dos móviles áreas de baja presión tropicales lentas causado graves inundaciones en el sureste de la India. Uno de los puntos bajos, designado Sistema 97B continuaron persistir a lo largo de la costa sudeste de la India el 17 de noviembre como el sistema 97B y otra área de baja presión se redujo fuertes lluvias, la NASA y socios en todo el mundo se reunieron datos utilizando una serie de satélites.
Las inundaciones han causado tantos como 70 muertes. La ciudad de Chennai, en el estado de Tamil Nadu fueron golpeados excepcionalmente duro, como se informó de 59 personas asesinadas allí.
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NASA Measures India's Deadly Flooding Rains


During the past week extreme rainfall from two slow moving tropical low pressure areas caused severe flooding in southeastern India. One of the lows, designated System 97B continued to linger along the southeastern Indian coast on November 17. As System 97B and another low pressure area dropped heavy rainfall, NASA and partners around the world gathered data using an array of satellites.

The flooding has caused as many as 70 reported deaths. The city of Chennai in the state of Tamil Nadu were hit exceptionally hard, as 59 people were reported killed there.
 
GPM image of 97B
An analysis of rainfall data from November 9 to 16, 2015 showed up to 550 mm (21.7 inches) of rain drenched India's southeastern coast in the state of Tamil Nadu. Over 200 mm (7.9 inches) fell in large areas of southeastern India and northern Sri Lanka.
Credits: NASA/JAXA/Hal Pierce

NASA's Integrated Multi-satellite Retrievals for GPM (IMERG) combines all data from 12 satellites into a global map of rainfall at half hourly intervals. The rainfall accumulation analysis above was computed from data generated by IMERG during the past week from November 9 to 16, 2015. An analysis of those data indicates that during the past week up to 550 mm (21.7 inches) of rain drenched India's southeastern coast in the state of Tamil Nadu. Rainfall totals of over 200 mm (7.9 inches) were measured in large areas of southeastern India and northern Sri Lanka.

Suomi NPP image of 97B
On Nov. 17 at 7:32 UTC (2:32 a.m. EST) the Visible Infrared Imaging Radiometer Suite (VIIRS) instrument aboard NASA-NOAA's Suomi NPP satellite captured a visible image of System 97B hugging the Indian coast.
Credits: NASA/NOAA/NRL
The Integrated Multi-satellitE Retrievals for GPM (IMERG) creates a merged precipitation product from the GPM constellation of satellites. These satellites include: DMSP (Defense Mapping Satellite Program) satellites from the U.S. Department of Defense, GCOM-W from the Japan Aerospace Exploration Agency (JAXA), Megha-Tropiques from the Centre National D’etudies Spatiales (CNES) and Indian Space Research Organization (ISRO), NOAA series from the National Oceanic and Atmospheric Administration (NOAA), Suomi-NPP from NOAA-NASA, and MetOps from the European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT).  All of the instruments (radiometers) onboard the constellation partners are inter-calibrated with information from the GPM Core Observatory’s GPM Microwave Imager (GMI) and Dual-frequency Precipitation Radar (DPR). 

On November 16 at 1800 UTC (1 p.m. EST) System 97B was located just 55 nautical miles east of Chennai, India. It was centered near 13.2 degrees north latitude and 81.1 degrees east longitude. 

On Nov. 17 at 7:32 UTC (2:32 a.m. EST) the Visible Infrared Imaging Radiometer Suite (VIIRS) instrument aboard NASA-NOAA's Suomi NPP satellite captured a visible image of System 97B. The storm stretched over southwestern Bay of Bengal near and the northern coast of Tamil Nadu and southern Andhra Pradesh coast. The VIIRS image showed bands of thunderstorms wrapping from the northern quadrant into the southwestern quadrant. The Joint Typhoon Warning Center noted that computer models show that System 97B is expected to move in a northerly direction. Maximum sustained winds are estimated between 20 and 25 knots (23 to 28.7 mph/37 to 46.3 kph), and System 97B has a minimum central pressure near 1004 millibars.

The low pressure area continued to generate heavy rain in Tamil Nadu and at isolated places over south coastal Andhra Pradesh. For forecasts and updates from the Indian Meteorological Department, visit: http://www.imd.gov.in.

For more about NASA's Precipitation Measurement Missions, visit:

Harold F. Pierce / Rob Gutro
SSAI/NASA's Goddard Space Flight Center

Last Updated: Nov. 17, 2015
Editor: Lynn Jenner
Tags:  GPM (Global Precipitation Measurement), Hazards, Hurricanes, Suomi NPP (National Polar-orbiting Partnership),
NASA
Guillermo Gonzalo Sánchez Achutegui
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