1. GLOBAL ALLIANCE FOR DISASTER REDUCTION
2011’S TROPICAL STORM ARLENE FIRST SEVERE WINDSTORM OF ATLANTIC -- GULF OF MEXICO BASIN STRIKES VERACRUZ STATE, MEXICO
DR. WALTER HAYS
GLOBAL ALLIANCE FOR DISASTER REDUCTION
Other Supercourse lectures on Windstorms
Thursday, June 30, 2011

2. 2005’S TROPICAL STORM ARLENE

3. 2005’S TROPICAL STORM ARLENE
Tropical Storm Arlene formed near Honduras on June 8, 2005 and moved northwards, crossing western Cuba on June 10, and strengthening to just under hurricane strength before making its final landfall on the Florida Panhandle on June 9. and becoming extratropical on June 13.
2005’s Arlene was responsible for only one death and minor damages.

4. 2011’S TROPICAL STORM ARLENE

5. ARLENE’S PHYSICAL CHARACTERISTICS
Arlene had an estimated minimum central pressure of 993 mb and maximum sustained winds of 100 kph (65 mph).
Tropical storm force winds and rain bands extended outward up to 330 km (205 miles) from the eye.

6. ARLENE MADE LANDFALL NEAR CABO ROJO:JUNE 30, 2011

7. TROPICAL STORM ARLENE

8. ARLENE’S PHYSICAL EFFECTS
Tropical storm force winds and rain bands extended outward for up to 330 km (205 miles) from the eye.

9. ARLENE’S PHYSICAL EFFECTS
Arlene’s storm surge raised water levels by as much as 1/3 to 1 m (1 to 3 feet) along the immediate coast near and to the north of Cabo Rojo.
Arlene generated 20 cm (8 inches) of rain, which was mostly welcome due to the dry conditions, even though it caused minor flooding and triggered 6 landslides.

10. PREPARATION FOR ARLENE
Having anticipated flooding, officials in the states of Veracruz, Tamaulipas and San Luis Potosi and closed schools, mobilized emergency medical units and prepared evacuation shelters.

11. DEATHS
Government officials reported 22 deaths.