Image:Bilis TRMM.jpg

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Summary

Description

Although the centre of Tropical Storm Bilis (known as Florita in the Philippines) passed well to the north of Luzon, it has been blamed for at least 14 fatalities on the island as a result of flash floods, mudslides, and wind damage. The storm formed as a tropical depression on July 8, 2006, south of Guam. The depression intensified into a tropical storm the following day as it crossed the central Philippine Sea and assumed a more northwesterly track.

The Tropical Rainfall Measuring Mission (TRMM) satellite observed Bilis on July 10, 2006, at 21:37 UTC, as the storm was passing through the Philippine Sea well northeast of the islands. The image shows the horizontal distribution of rain intensity within the storm as seen from the TRMM satellite. Rain rates in the centre swath are from the TRMM Precipitation Radar, while rain rates in the outer swath are from the TRMM Microwave Imager. The rain rates are overlaid on infrared data from the TRMM Visible Infrared Scanner.

In this image, Bilis appears as a highly asymmetrical storm, with the vast majority of the rain occurring south of the center in a rather large band (broad green and blue area). The actual center itself was rather poorly defined. Near the time of this image, the Joint Typhoon Warning Center estimated the maximum sustained winds to be 92 kilometers per hour (58 miles per hour), the equivalent of a moderate tropical storm. As Bilis continued to track to the northwest, this band of rain and its associated circulation came ashore over Luzon in the northern Philippines. Although the storm’s centre remained well off the coast, the interaction of heavy rain and mountainous terrain led to flash flooding and mudslides.

The Tropical Rainfall Measuring Mission satellite (known as TRMM) was placed into service in November of 1997. From its low-earth orbit, TRMM has been providing valuable images and information on storm systems around the Tropics using a combination of passive microwave and active radar sensors, including the first precipitation radar in space. TRMM is a joint mission between NASA and the Japanese space agency, JAXA.
Source

http://earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=13711
Date

2006-07-10
Author

Images produced by Hal Pierce (SSAI/NASA GSFC) and caption by Steve Lang (SSAI/NASA GSFC).
Permission
Public domain This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". ( NASA copyright policy page or JPL Image Use Policy).

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The following pages on the English Wikipedia link to this file (pages on other projects are not listed):
  • Tropical Storm Bilis

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified image.

Width 1024
Height 1024
Compression scheme Uncompressed
Pixel composition RGB
Orientation Normal
Number of components 3
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
Data arrangement chunky format
Software used Adobe Photoshop CS2 Macintosh
File change date and time 16:04, 14 July 2006
Colour space 65535
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