Just received reports of drizzling in Mumbai from Parwez. Report of light rain sent by Shiraz from Mahableshwar at 9 p.m.
Wednesday, November 03, 2010
Bay Depression Update:
Core pressure yet the same as per last report , and constant at 1002 mb. But outward development is the circulation centre surrounded by convective cloud bands, organised in the last 6 hrs.
Winds at 30 knts, and location slightly north-westwards (from last report) at 8N and 92.7E.
Now about 1400 kms east south-east of Chennai.
Low in the Arabian Sea precipitated heavy rains in Goa today.Thundershowers lashed many regions of Goa today. Clouds spreading into the interiors.
Posted by rajesh at 9:03:00 PM
In the 1960s, the Soviet Union undertook a major water diversion project on the arid plains of Kazakhstan, Uzbekistan, and Turkmenistan. The region’s two major rivers, fed from snowmelt and precipitation in faraway mountains, were used to transform the desert into fields for cotton and other crops. Before the project, the two rivers left the mountains, cut northwest through the Kyzylkum Desert—the Syr Darya to the north and the Amu Darya in parallel to the south—and finally pooled together in the lowest part of the desert basin. The lake they made, the Aral Sea, was once the fourth largest lake in the world.
Although irrigation made the desert bloom, it devastated the Aral Sea. This series of images from the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite documents the changes in the Aral Sea throughout the past decade. At the start of the series in 2000, the lake was already a fraction of its 1960 extent (black line). The Northern Aral Sea (sometimes called the Small Aral Sea) had separated from the Southern (Large) Aral Sea. The Southern Aral Sea had split into an eastern and a western lobe that remained tenuously connected at both ends.
By 2001, the southern connection had been severed, and the shallower eastern part retreated rapidly over the next several years. Especially large retreats in the eastern lobe of the Southern Sea appear to have occurred between 2005 and 2009, when drought limited and then cut off the flow of the Amu Darya. The final image in the series is from the summer of 2010, when water levels increased slightly after the drought broke.
As the lake dried up, fisheries and the communities that depended on them collapsed. The increasingly salty water became polluted with fertilizer and pesticides. The blowing dust from the exposed lakebed, contaminated with agricultural chemicals, became a public health hazard. The salty dust blew off the lakebed and settled onto fields, degrading the soil. Croplands had to be flushed with larger and larger volumes of river water. The loss of the moderating influence of such a large body of water made winters colder and summers hotter and drier.
In a last-ditch effort to save some of the lake, Kazakhstan built a dam between the northern and southern parts of the Aral Sea. Completed in 2005, the dam was basically a death sentence for the southern Aral Sea, which was judged to be beyond saving. All of the water flowing into the desert basin from the Syr Darya now stays in the Northern Aral Sea. Between 2005 and 2006, the water levels in that part of the lake rebounded significantly and very small increases are visible throughout the rest of the time period. The differences in water color are due to changes in sediment
Chennai - now 4:36pm, Cloud formation and movement seen from E-N-E,this is the 1st time in this N-E monsoon season we have clouds from N-E.
Posted by Rakesh R at 4:39:00 PM
Chennai - Having a mild temperature evening with Sky having a DARK blue tint .. this always mean "a New weather front moving in"
Posted by Rakesh R at 4:30:00 PM
Today heavy afternoon or evening showers possible for Karnataka coast & S-W Karnataka.
Posted by Rakesh R at 11:55:00 AM
THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 6.9N 100.6E, IS NOW LOCATED NEAR 8.5N 95.8E, APPROXIMATELY 470 NM NORTHWEST OF KUALA LUMPUR, MALAYSIA. ANIMATED INFRARED SATELLITE IMAGERY SHOWS DISORGANIZED CONVECTION FLARING SHEARED TO THE WEST OF A LOOSELY ORGANIZED LOW LEVEL CIRCULATION CENTER (LLCC) JUST WEST OF THE MAYLAY PENINSULA. UPPER LEVEL ANALYSIS INDICATES THE DISTURBANCE IS LOCATED IN AN AREA OF MODERATE TO HIGH (20 TO 30 KNOTS) EASTERLY VERTICAL WIND SHEAR, WHICH IS CURRENTLY INHIBITING DEVELOPMENT. WHILE CURRENT CONDITIONS ARE SOMEWHAT UNFAVORABLE, MODEL DEVELOPMENT FOR THIS AREA (GFS, NOGAPS, AND ECMWF) HAS CONSISTENTLY INDICATED SIGNIFICANT DEVELOPMENT AS THE DISTURBANCE TRACKS WESTWARD INTO THE BAY OF BENGAL. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 20 TO 25 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1003 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS FAIR.
The low pressure area over south Andaman Sea persists as a well marked low pressure area. The system is
likely to concentrate into a depression over the same area within next 24 hours. It may intensify further into a
cyclonic storm and move west-northwestward towards north Tamilnadu and south Andhra Pradesh coasts.
Chennai - Possibility of NO showers on 4-Nov, but from 5-Nov "Diwali day" ... showers are expected to pick-up strength
Posted by Rakesh R at 11:47:00 AM
5:30am, low pressure area over south Andaman Sea persists as a well marked low pressure area.. likely to concentrate into a depression.
Posted by Rakesh R at 11:38:00 AM
RT @prabhuferrari: Thanks to the extremely heavy rain between krishnagiri and ranipet, it took me 8 hrs to reach chennai frm bangalore,TNSTC
Chennai - now 11:28am having cloud movement & wind from E-N-E... cloud formations can be seen, local bursts possible than showers from Sea.
Posted by Rakesh R at 11:31:00 AM