Tuesday, November 06, 2007

Abnormal warmth in northern India

On the Indian Sucontinent, there has been no return of cooling from the northwest and, with high pressure hanging on aloft, it has become abnormally warm (hot) over a wide area. Sunday and Monday, the temperature toyed with the 100-degree mark (38 degrees C) in Gujarat, western Maharashtra and, in nearby Pakistan, Sindh. Actually, Karachi had about 100 degrees F (37.5 C) Sunday.

One aspect of the early-month heat has been hit-or-miss thunderstorms in western Maharashtra and even Gujarat. As of today, Monday, few of these were seen, however, at suggestions from numerical forecast models are that these will be few in number, if not lacking altogether, as this week unfolds. A weak `western disturbance`, or wave in the sub-tropical jet stream, will afford a little cooling beginning at mid week.

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