1. The Impact of the 2009 Hurricane Season on Trinidad and Tobago By Emmanuel Moolchan Director Trinidad and Tobago Meteorological Service

2. 2009 HURRICANE SEASON NO DIRECT TROPICAL STORM IMPACT NO DIRECT TROPICAL STORM IMPACT RAINFALL DEFICIT BAR JULY AND AUGUST RAINFALL DEFICIT BAR JULY AND AUGUST SUBTLE CHANGES IN RAINFALL PATTERN – FREQUENT FLASH FLOODS SUBTLE CHANGES IN RAINFALL PATTERN – FREQUENT FLASH FLOODS TORNADO SIGHTINGS TORNADO SIGHTINGS

3. 2009 HURRICANE SEASON June rainfall – 113.3mm (252.1) – 55% June rainfall – 113.3mm (252.1) – 55% July rainfall – 324.1mm (266.3) +22% July rainfall – 324.1mm (266.3) +22% August rainfall – 336.3mm (250.1) + 34% August rainfall – 336.3mm (250.1) + 34% September rainfall – 113.5mm (202.5) -44% September rainfall – 113.5mm (202.5) -44% October rainfall – 122.9mm (199.3) – 38% October rainfall – 122.9mm (199.3) – 38% November rainfall – 192.7mm (226.7) - 15% November rainfall – 192.7mm (226.7) - 15%

4. Flooding caused by Active Tropical Wave in August.

5. Tornado in Trinidad

6. Radar imagery (MAX) showing reflectivity in the 65-70 dbz range at 1:45 pm on 09 August, 2009.

7. 9 AUGUST 1:45 PM

8. A DIFFERENT ANGLE

9. MORE FLOODING

10. Reports of damage in Tobago

11. Effects of the ITCZ

12. FLASH FLOODING AT UWI

13. 2009 IMPACTS IN T&T

14. FLASH FLOODING 10 th August The thunderstorm activity on 10th August The thunderstorm activity on 10th August 56.4km/hr measured gust (downdraft) 56.4km/hr measured gust (downdraft) 55.6 millimeters rainfall event 55.6 millimeters rainfall event

15. HIGHEST RECORDED TEMP AUGUST The highest maximum temperature of 34.7°C occurred on the 19 August, 2009, The highest maximum temperature of 34.7°C occurred on the 19 August, 2009, Secondary maximum in daily maximum temperature (34.3°C) occurred on 10 August, 2009 Secondary maximum in daily maximum temperature (34.3°C) occurred on 10 August, 2009

16. 22 nd AUGUST Crown Point Tobago recorded a gust (downdraft) of 72km/hr and 11.5 millimeters of rainfall Crown Point Tobago recorded a gust (downdraft) of 72km/hr and 11.5 millimeters of rainfall Piarco recorded its second most vigorous thunderstorm day with gust speeds of 50km/hr and rainfall records of 68.4 millimeters. Piarco recorded its second most vigorous thunderstorm day with gust speeds of 50km/hr and rainfall records of 68.4 millimeters.

17. Satellite Imagery showing Hurricane Bill near Leewards Islands on 19 th August 2009.

18. THE END. QUESTIONS?