As Air Cools Behind Propellers Or Over Wings, Water Droplets Freeze & Drop Towards The Earth

Washington: Jet aircraft make odd-shaped holes in clouds and cause rain or snow as they climb or descend in the skies under certain atmospheric conditions, according to a new American study.

STATISTICAL PROOF: From 1995 to 2009, the model predicted a mean of 13.7 named storms of which a mean of 7.8 were hurricanes. In reality, the average during this period was 13.8 named storms with a mean of 7.9 hurricanes.

Not Soot And Dust, But Bugs Serve As Nuclei For Raindrops
Jim Robbins

Bozeman (Montana): Walking across the campus of Montana State University here, David Sands, a plant pathologist, says the blanket of snow draped over the mountains around town contains a surprise. The cause of most of it, he said, is a living organism, a bacterium, called pseudomonas syringae.

The cyclonic storm Laila reached Andhra Pradesh coastline on Thursday and showed definite signs of weakening but weather scientists said its behaviour over the next two days would be extremely crucial, especially from the point of view of its impact on the monsoon.


Climate experts at the first South Asian Climate Outlook Forum (SACOF) meet comprising South Asian countries who met in Pune last week believe the monsoon this year could be less than normal. Countries attending the meet included Pakistan, Nepal, Bangladesh and Sri Lanka, all of whom are dependent on the monsoon for their food production.

New Delhi: Delivering his 2010-11 Budget speech, finance minister Pranab Mukherjee had sought Lord Indra


Cloud computing loses its silver lining as environmentalists find hidden emissions in the back office

The south west monsoon is likely to hit the Kerala coast on June 1. According to preliminary observations made by the India Meteorological Department (IMD) here, there is nothing to indicate that the monsoon will arrive before or after the scheduled date.


The missed data: Looking for long-term patterns in springtime data for the Antarctic helped the team to discover the ozone hole. This file photo shows the ozone hole split into two separate holes.

Agartala, May 5: Weather forecasting in India is all set to get more accurate with the met office setting up China-made Doppler radars across the country that can track and predict fast-evolving weather systems such as thunderstorms, cyclones and cloudbursts.