Lok Sabha Question No. 3935 (UNSTARRED), answered on 2015-12-23
Subject: Prediction of Heavy Rain
Ministry: EARTH SCIENCES
Asked by: ANTO  ANTONY

## MINISTRY OF EARTH SCIENCES

## GOVERNMENT OF INDIA LOK SABHA

## UNSTARRED QUESTION No. 3935

## TO BE ANSWERED ON WEDNESDAY, December 23, 2015

## PRIDICTION OF HEAVY RAIN

## 3935. SHRI ANTO ANTONY:

Will the Minister of EARTH SCIENCES be pleased to state:

- (a)
- whether there is a failure from the Meteorological Department to
- predict the heavy rain that occurred in Chennai, Tamil Nadu;
- (b) if so, the details and the reasons therefor; and
- (c)
- the steps taken by the Government in this regard?

## MINISTER OF STATE FOR MINISTRY OF SCIENCE AND TECHNOLOGY AND

## ANSWER MINISTRY OF EARTH SCIENCES (SHRI Y. S. CHOWDARY)

- (a) No Madam. Earth System Science Organisation-India Meteorological Department (ESSO-IMD) issued warnings (as detailed  in  Annexure  -  I)  3-days  in  advance  for  occurrence  of heavy (7-12 cm per day) to very heavy (13-25 cm per day) rainfall that occurred in Chennai and other parts of Tamilnadu. Regional Meteorological  Centre  Chennai  had  further  issued  more  area specific  warnings,  in  which  areas  that  were  likely  to  receive extremely heavy rainfall (> 25cm per day) were also indicated to the state level disaster management authorities.
- (b)-(c) Does not arise.

## Annexure-I

## Salient features of heavy rainfall forecast issued by ESSO-IMD for Tamil Nadu and Puducherry:

| Spells of Heavy rainfall commencing from   | Date of Warnings issued                                                                                 |
|--------------------------------------------|---------------------------------------------------------------------------------------------------------|
| 09-11-2015                                 | 05 Nov. Heavy to very heavy rain at isolated places                                                     |
| 09-11-2015                                 | 06 Nov. Heavy to very heavy rain at isolated places                                                     |
| 09-11-2015                                 | 08 Nov. Heavy to very heavy rain at a few places with isolated extremely heavy                          |
| 16-11-2015                                 | 13 Nov. Heavy to very heavy rain at a few places with isolated extremely heavy                          |
| 16-11-2015                                 | 14 Nov. Heavy to very heavy rain at a few places with isolated extremely heavy                          |
| 16-11-2015                                 | 15 Nov. Heavy to very heavy rain at a few places with isolated extremely heavy                          |
| 21-11-2015                                 | 18 Nov. Heavy rain at isolated places                                                                   |
| 21-11-2015                                 | 19 Nov. Heavy rain at isolated places                                                                   |
| 21-11-2015                                 | 20 Nov. Heavy rain at isolated places                                                                   |
| 30-11-2015                                 | 25 Nov. Heavy to very heavy rain at isolated places 26 Nov. Heavy to very heavy rain at isolated places |
| 30-11-2015                                 | few places with isolated extremely heavy rainfall 02 Dec. Heavy to very heavy rain at a few places      |
| 30-11-2015                                 | with isolated extremely heavy rainfall                                                                  |
| 30-11-2015                                 | 03 Dec. Heavy to very heavy rain at a few places with isolated extremely heavy rainfall                 |