Heavy Rains Likely in Western And North India: Forecast Models Differ On Where In Gujarat

The depression that originated in the Bay of Bengal has reached Vidarbha in Maharashtra presently. As a result showers are occurring in western parts of the state.

One thing is sure. In the next 5 days the system will move through Gujarat, Rajasthan, Haryana, Punjab and reach Jammu and Kashmir. It is expected to weaken after leaving Gujarat on September 22, 2015 but the mentioned states will receive good rainfall.

Low pressure area rain track forecast gujarat rajasthan september 2015
The GFS forecast on track and rain forecast of the low pressure area

The confusion lies in where it will rain in Gujarat under the influence of this system. Forecast models differ.

The GFS predicts the depression will weaken from the present 996 Mb system to 1002-4 system in a day or two. A mere low or an upper air cyclonic system. It says only south, central and parts of north Gujarat will get any significant precipitation. Saurashtra-Kutch will be left mainly dry.

The European ECMWF model foresees a stronger system. That the present depression will remain a 994 Mb system as long as it hovers above Gujarat. A stronger system means more rains. It also predicts that the low will move to Kutch and then onto Rajasthan. So this model predicts more rains in Saurashtra and Kutch.

See Detailed Rainfall Forecast Maps

Track The Storm

Satellite image of the low pressure area approaching western India. Image taken at 0530 hours GMT, September 18, 2015

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