NASA: It is happening now - Está sucediendo ahora - 09-08-10 - Tropical Storm Estelle - Fires and Smoke in Russia - Plume from Batu Tara

Posted by Ricardo Marcenaro | Posted in | Posted on 15:57

Tropical Storm Estelle

Tropical Storm Estelle
Tropical Storm Estelle strengthened from a tropical depression over the eastern Pacific Ocean on August 6, 2010. By 2:00 a.m. Pacific Daylight Time on August 8, the storm had maximum sustained winds of 65 miles (100 kilometers) per hour, according the U.S. National Hurricane Center. Estelle was roughly 355 miles (570 kilometers) south of the southern tip of Baja California.
The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this natural-color image of Tropical Storm Estelle at 1:20 p.m. PDT (20:20 UTC) on August 8. Estelle appears as a compact cloud mass with a few disconnected bands of clouds along its perimeter. Along the storm’s northeastern margin, a band of clouds casts shadows toward the northeast.
At 8:00 a.m. PDT on August 9, 2010, the NHC reported that Estelle was roughly 390 miles (630 kilometers) south-southwest of the southern tip of Baja California, with maximum sustained winds of 40 miles (65 kilometers) per hour. The storm had moved westward, and was expected to continue along that track before turning toward the west-southwest.

  1. References

  2. National Hurricane Center. (2010, August 9). Tropical Storm Estelle Advisory Archive. Accessed August 9, 2010.
  3. Unisys. (2010, August 9). Estelle Tracking Information. Accessed August 9, 2010.
NASA image courtesy MODIS Rapid Response Team at NASA GSFC. Caption by Michon Scott.
Instrument: 
Aqua - MODIS

Smoke over Moscow

Smoke over Moscow
Fires continued burning around Moscow on August 7, 2010, forcing airports to delay flights, and prompting locals to stay indoors or venture out only with gauze masks, Bloomberg reported. Carbon monoxide levels in the capital city were several times the maximum allowable limit. Meanwhile, firefighters fought 577 fires covering 193,516 hectares (747 square miles).
The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this natural-color image on August 7. Red outlines indicate actively burning fires, and multiple fires cluster east of Moscow, many of them sending their smoke right over the city. Smoke almost completely hides the land surface throughout this scene.
High temperatures contributed to tinder-dry conditions along the Volga River, and Bloomberg reported that temperatures as high as 42 degrees Celsius (108 degrees Fahrenheit) would continue to plague central Russia for at least another day.

  1. References

  2. Levitov, M. (2010, August 7). Moscow choked by smoke as forest, peat-bog fires spread, delaying flights. Bloomberg. Accessed August 7, 2010.
NASA image courtesy MODIS Rapid Response Team. Caption by Michon Scott.
Instrument: 
Aqua - MODIS

Fires and Smoke in Russia

Fires and Smoke in Russia
Intense fires continued to rage in western Russia on August 4, 2010. Burning in dry peat bogs and forests, the fires produced a dense plume of smoke that reached across hundreds of kilometers. The Moderate Resolution Imaging Spectroradiometer (MODIS) captured this view of the fires and smoke in three consecutive overpasses on NASA’s Terra satellite. The smooth gray-brown smoke hangs over the Russian landscape, completely obscuring the ground in places. The top image provides a close view of the fires immediately southeast of Moscow, while the lower image shows the full extent of the smoke plume.
The fires along the southern edge of the smoke plume near the city of Razan, top image, are among the most intense. Outlined in red, a line of intense fires is generating a wall of smoke. The easternmost fire in the image is extreme enough that it produced a pyrocumulus cloud, a dense towering cloud formed when intense heat from a fire pushes air high into the atmosphere.
The lower image shows the full extent of the smoke plume, spanning about 3,000 kilometers (1,860 miles) from east to west. If the smoke were in the United States, it would extend approximately from San Francisco to Chicago. The MODIS sensor acquired the right section of the image starting at 5:55 UTC (10:55 a.m. local time, 8:55 a.m. in Moscow). The center section is from the overpass starting at 7:35 UTC (11:35 local time, 10:35 in Moscow), and the westernmost section was taken at 9:10 UTC (12:10 p.m. local time in Moscow).
Early analyses of data from the Multi-angle Imaging Spectroradiometer (MISR), another instrument on the Terra satellite, indicates that smoke from previous days has at times reached 12 kilometers (six miles) above Earth’s surface into the stratosphere. At such heights, smoke is able to travel long distances to affect air quality far away. This may be one reason that the smoke covers such a large area. The pyrocumulus cloud and the detection of smoke in the stratosphere are good indicators that the fires are large and extremely intense.
According to news reports, 520 fires were burning in western Russia on August 4. MODIS detected far fewer. It is likely that the remaining fires were hidden from the satellite’s view by the thick smoke and scattered clouds. High temperatures and severe drought dried vegetation throughout central Russia, creating hazardous fire conditions in July.
As of August 4, 48 people had died in the fires and more than 2,000 had lost their homes throughout central Russia, said news reports. The dense smoke also created hazardous air quality over a broad region. Visibility in Moscow dropped to 20 meters (0.01 miles) on August 4, and health officials warned that everyone, including healthy people, needed to take preventative measures such as staying indoors or wearing a mask outdoors, reported the Wall Street Journal. In the image, Moscow is hidden under a pall of smoke. Close to the fires, smoke poses a health risk because it contains small particles (soot) and hazardous gases that can irritate the eyes and respiratory system. Smoke also contains chemicals that lead to ozone production farther away from the fires.
The large image provides the full scene shown in the lower image at the sensor’s highest resolution (as shown in the top image). The MODIS Rapid Response Team provides the scene in additional resolutions.

  1. References

  2. BBC News. (2010, August 4). Medvedev cuts holiday as Russian wildfires kill 48. Accessed August 4, 2010.
  3. Iosebashvili, I. (2010, August 4). Death toll rises as Russian fires rage. Wall Street Journal. Accessed August 4, 2010.
NASA image courtesy Jeff Schmaltz, MODIS Rapid Response Team at NASA GSFC. Caption by Holli Riebeek with information courtesy Mike Fromm, Naval Research Laboratory.
Instrument: 
Terra - MODIS
Fires and Smoke in Russia


Plume from Batu Tara

Plume from Batu Tara
August 6, 2010
A small gray cloud—suggestive of ash emissions—lingered above Batu Tara Volcano on August 6, 2010. A large-scale view from a different satellite instrument [the Moderate Resolution Imaging Spectroradiometer (MODIS)] on the same day shows the plume extending due west from Batu Tara before disappearing under a blanket of clouds. Batu Tara has been active since January 2007. Since then the volcano has sent plumes of ash and steam into the air, sometimes in short bursts, occasionally in a near-continuous stream. Located about 55 kilometers (34 miles) from the nearest large island, activity at Batu Tara is monitored primarily by satellite. This natural color image was acquired by the Advanced Land Imager (ALI) aboard the Earth Observing-1 (EO-1) satellite.

  1. Reference

  2. Global Volcanism Program. n.d. Batu Tara. Accessed August 6, 2010.
NASA Earth Observatory image by Robert Simmon, using ALI data from the NASA EO-1 team. Caption by Robert Simmon.
Instrument: 
EO-1 - ALI

Ash Plume from Batu Tara
March 15, 2010
The tiny volcanic island of Batu Tara has been erupting sporadically since March 2007. Located in the Flores Sea, Batu Tara is about 50 kilometers (30 miles) north of Indonesia’s Lesser Sunda Islands. The Darwin Volcanic Ash Advisory Centre reported eruptions of ash up to 8,000 feet (2,000 meters) on March 15, 2009. The Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA’s Terra satellite captured this natural-color image of the ash plume on March 15, 2010.
NASA image by Jeff Schmaltz, MODIS Rapid Response Team at NASA GSFC. Caption by Robert Simmon.
Instrument: 
Aqua - MODIS

Plume from Batu Tara
july 27, 2009
Batu Tara remained active in late July 2009. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this photo-like image of the volcano releasing a faint plume on July 27, 2009. The distinct segments of the plume suggest that the volcano has released ash and/or steam in pulses. The plume blows toward the northwest over the Flores Sea.
Batu Tara is a stratovolcano composed of layers of lava, ash, and rocks ejected by earlier eruptions. The volcanic island sits some 50 kilometers (31 miles) north of Lomblen (or Lembata) Island. Batu Tara’s first historical eruption began in the mid-nineteenth century. More recently, the volcano began a period of intermittent ash- and steam-plume activity in 2007.
NASA image courtesy MODIS Rapid Response Team, Goddard Space Flight Center. Caption by Michon Scott.
Instrument: 
Aqua - MODIS









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 NASA: It is happening now - Está sucediendo ahora - 09-08-10 - Tropical Storm Estelle - Fires and Smoke in Russia - Plume from Batu Tara




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