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Tropical Cyclone Boloetse
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Tropical Cyclone Boloetse |
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Tropical Cyclone Boloetse was winding down on February 5, 2006, when the Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]) on the Aqua [ http://aqua.nasa.gov/ ] satellite captured this image at 10:45 UTC (1:45 p.m. local time). At this time, Boloetse was heading into the southern Indian Ocean after brushing against the southern end of Madagascar. The cyclone had sustained winds of around 120 kilometers per hour (75 miles per hour), classifying it as a Category 1 storm on the Saffir-Simpson scale. This was less intense than the previous day [ http://earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=13350 ], and forecasters were predicting the storm would continue to diminish in strength as it traveled southeast away from the African coast. Tropical Cyclone Boloetse initially formed in the western Indian Ocean and traveled west, crossing the island of Madagascar as a tropical storm in late January 2006, with moderately strong rains. The storm intensity declined to tropical-depression strength as it crossed the mountainous ridgeline that runs along the eastern shore of Madagascar. However, once the storm system reached the warm waters of the Mozambique Channel, the tropical depression re-organized and built up enough strength to become a tropical cyclone. Once there, the storm reversed direction and headed southeast, taking it across Madagascar once again. It struck a glancing blow over the island's southern tip on February 4, 2006. NASA image created by Jesse Allen, Earth Observatory, using data obtained courtesy of the MODIS Rapid Response team. |
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Tropical Cyclone Boloetse
| Title |
Tropical Cyclone Boloetse |
| Description |
Tropical Cyclone Boloetse crossed the island of Madagascar as a tropical storm in late January 2006, with moderately strong rains. The storm intensity declined to tropical-depression strength as it crossed the mountainous ridgeline that runs along the eastern shore of Madagascar. However, once the storm system reached the warm waters of the Mozambique Channel, the tropical depression reorganized and built up enough strength to become a tropical cyclone. The Moderate Resolution Imaging Spectroradiometer (MODIS) on the Aqua satellite observed Tropical Cyclone Boloetse in the Mozambique Channel on February 3, 2006, at 11:00 UTC (2:00 p.m. local time). At that time, the cyclone was beginning a south and eastward track, and it was predicted to strike a glancing blow along the southwestern corner of Madagascar as it moved back out into the Indian Ocean. The cyclone had sustained winds of around 165 kilometers per hour (105 miles per hour), classifying it as a Category 2 storm on the Saffir-Simpson scale. Storms of this strength typically cause moderate damage to coastal areas with storm surges around 1.5 to 2 meters (4 to 7 feet). Winds are sufficient to damage temporary structures such as trailers and sheds, and remove roofs from some permanent buildings. The large version of the image has a spatial resolution of 250 meters per pixel. Other resolutions are also available from the MODIS Rapid Response website. NASA image created by Jeff Schmaltz, MODIS Rapid Response Team, [ http://rapidfire.sci.gsfc.nasa.gov ] Goddard Space Flight Center |
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Tropical Cyclone Favio
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Tropical Cyclone Favio |
| Description |
Tropical Cyclone Favio formed in the western Indian Ocean about 1,200 kilometers from Madagascar on February 14, 2007. It gradually moved southwest, passing well offshore of Reunion and Mauritius Islands. By February 20, it was just off the southern shore of Madagascar as a well-formed, mature storm. While the storm system had largely skirted around populated areas to that point, forecasters were concerned about its behavior as it entered the warmer waters of the Mozambique Channel. The storm was forecast to reach Category Four [ http://www.nhc.noaa.gov/aboutsshs.shtml ] strength before coming ashore and tracking inland through Zimbabwe and Zambia, bringing heavy rains to already flooded areas. [ http://earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=14115 ] This photo-like image was acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov/ ] on the Aqua [ http://aqua.nasa.gov/ ] satellite on February 20, 2007, at 2:15 p.m. local time (11:15 UTC). The storm was turning north around the southern end of Madagscar, headed for the Mozambique Channel. Favio had the recognizable shape of a southern-hemisphere tropical cyclone, with spiral arms showing its clockwise rotation. The spiral arms are well-defined and tightly wound. A distinct eye at the center of the storm is only partially filled with clouds (a "partially closed" eye). These are all signs of a well-developed and powerful storm, consistent with the cyclone's strength. According to the University of Hawaii's Tropical Storm Information Center, [ http:/NaturalHazards/natural_hazards_v2.php3 www.solar.ifa.hawaii.edu/Tropical/ ] Favio had steady winds of around 160 kilometers per hour (100 miles per hour) around the time MODIS made this observation. The high-resolution image provided above is at MODIS' full spatial resolution (level of detail) of 250 meters per pixel. The MODIS Rapid Response System provides this image at additional resolutions. You can also download a 250-meter-resolution Cyclone Favio KMZ file [ http://earthobservatory.nasa.gov/NaturalHazards/Archive/Feb2007/Favio.A2007051.1115.250m.kmz ] for use with Google Earth. [ http://earth.google.com/download-earth.html ] NASA image by Jeff Schmaltz, MODIS Rapid Response Team, [ http://rapidfire.sci.gsfc.nasa.gov ] Goddard Space Flight Center. |
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Tropical Cyclone Favio
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Tropical Cyclone Favio |
| Description |
Tropical Cyclone Favio came ashore on the coast of Mozambique on the morning of February 22, 2007. At the time it crossed the shoreline, Favio had lost some strength from its peak the previous day, but still had extremely powerful winds. The cyclone continued to weaken as it passed over land, becoming a tropical depression. As of 8:00 a.m. local time (0600 UTC), winds were down to 60 kilometers per hour (38 miles per hour), according to the South African Weather Service. [ http://www.weathersa.co.za/ ] This photo-like image was acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov/ ] on the Aqua [ http://aqua.nasa.gov/ ] satellite on February 23, 2007, at 1:45 p.m. local time (11:45 UTC), as the tropical depression was crossing into Zimbabwe. The storm still has a distinct balled-up form left over from its cyclone state the previous day, but once over land, the strong circular eye and powerful eyewall storms typical of a cylone were gone. As it traveled farther inland towards the Zambezi River valley, the storm brought heavy rains to Zimbabwe. This region had already suffered from heavy rains associated with the onset of the monsoon, and severe flooding along the Zambezi River [ http://earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=14115 ] in mid-February killed dozens of people and forced more than a hundred thousand people to evacuate, according to reports [ http://www.reliefweb.int/rw/RWB.NSF/db900SID/LSGZ-6YMDSC?OpenDocument ] from the International Federation of Red Cross and Red Crescent Societies posted online by ReliefWeb. [ http://www.reliefweb.int/rw/dbc.nsf/doc100?OpenForm ] There had been widespread additional evacuations ahead of Cyclone Favio's arrival. You can download a 250-meter-resolution Cyclone Favio KMZ file [ http://earthobservatory.nasa.gov/NaturalHazards/Archive/Feb2007/favio_amo_2007054.kmz ] for use with Google Earth. [ http://earth.google.com/download-earth.html ] NASA image by Jesse Allen, using data provided courtesy of the MODIS Rapid Response Team, [ http://rapidfire.sci.gsfc.nasa.gov ] Goddard Space Flight Center. |
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Tropical Cyclone Japhet (19S
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Tropical Cyclone Japhet (19S) |
| Description |
With sustained winds near 112 km per hour (70 mph), Tropical Cyclone Japhet (19S) is thriving in the warm waters between Madagascar and Mozambique. This true-color image of the storm was acquired on February 27, 2003, by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA's Aqua satellite. The high-resolution image available here is 500 meters per pixel. Visit the MODIS Rapid Response Team, for a copy of this scene at MODIS' full resolution of 250 meters per pixel. Image courtesy Jeff Schmaltz, MODIS Land Rapid Response Team at NASA GSFC |
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Tropical Cyclone Japhet (19S
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Tropical Cyclone Japhet (19S) |
| Description |
With sustained winds near 156 km per hour (98 mph), Tropical Cyclone Japhet (19S) is bearing down on the Mozambique coast. This true-color image of the storm was acquired on March 2, 2003, by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA's Aqua satellite. The high-resolution image available here is 1000 meters per pixel. Visit the MODIS Rapid Response Team, for a copy of this scene at MODIS' full resolution of 250 meters per pixel. Image courtesy Jacques Descloitres, MODIS Land Rapid Response Team at NASA GSFC |
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Tropical Cyclone Japhet (19S
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| Title |
Tropical Cyclone Japhet (19S) |
| Description |
With sustained winds near 101 km per hour (63 mph), Tropical Cyclone Japhet (19S) has moved inland over Mozambique. This true-color image of the storm was acquired on March 3, 2003, by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA's Aqua satellite. The high-resolution image available here is 1000 meters per pixel. Visit the MODIS Rapid Response Team, for a copy of this scene at MODIS' full resolution of 250 meters per pixel. Image courtesy Jeff Schmaltz, MODIS Land Rapid Response Team at NASA GSFC |
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Tropical Cyclone Jaya
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Tropical Cyclone Jaya |
| Description |
Tropical Cyclone Jaya came ashore in northern Madagascar in the morning of April 2, 2007 at around 11:00 a.m. local time (08:00 UTC). The storm formed in the Indian Ocean on March 30 and traveled westward toward Madagascar as predicted. What was not predicted, however, was its explosive growth in power from a strong tropical storm to a powerful Category 3 cyclone [ http://www.nhc.noaa.gov/aboutsshs.shtml ] in just 36 hours, according to figures provided by the University of Hawaii's Tropical Storm Information Center. [ http://www.solar.ifa.hawaii.edu/Tropical/tropical.html ]Fortunately, the intensification took place while Jaya was still far from Madagascar. This photo-like image was acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov/ ] on the Aqua [ http://aqua.nasa.gov/ ] satellite on April 3, 2007, at 1:15 p.m. local time (10:15 UTC). The storm was a tropical cyclone with a circular shape, but no distinct eye at its center. According to the University of Hawaii's Tropical Storm Information Center, [ http://www.solar.ifa.hawaii.edu/Tropical/ ] Cyclone Jaya's sustained winds had fallen in strength to roughly 125 kilometers per hour (80 mph) at the time this image was acquired. When the storm made landfall on Madagascar, sustained winds were around 150 kilometers per hour (90 miles per hour), a marked change from 200 km/hr (125 mph) just twelve hours earlier. While much weakened, Jaya remained a powerful storm. Furthermore, it struck the northern part of Madagascar where a series of other cyclones have also come ashore in recent months. Forecasters were concerned that Jaya might reform after crossing the island and head inland into Mozambique, where residents are recovering from floods caused by recent heavy rains. The high-resolution image provided above is at MODIS' full spatial resolution (level of detail) of 250 meters per pixel. The MODIS Rapid Response System provides this image at additional resolutions. [ http://rapidfire.sci.gsfc.nasa.gov/gallery/?2007093-0403/Jaya.A2007093.1015 ] You can download a 250-meter-resolution Cyclone Jaya KMZ file [ http://earthobservatory.nasa.gov/NaturalHazards/Archive/Apr2007/Jaya.A2007093.1015.250m.kmz ] for use with Google Earth. [ http://earth.google.com/download-earth.html ] NASA image by Jeff Schmaltz, MODIS Rapid Response Team, [ http://rapidfire.sci.gsfc.nasa.gov ] Goddard Space Flight Center. |
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