1. Tropical Storm Isaac Briefing August 30, 2012 100 AM CDT National Weather Service Weather Forecast Office Slidell, LA August 30, 2012 100 AM CDT National Weather Service Weather Forecast Office Slidell, LA

2. Current Satellite

3. Tropical Storm Isaac

4. Watches/Warnings

5. Tropical Storm Isaac Wind Forecast

6. Wind Impacts LocationProjected end of frequent TS force gusts MS Gulf Coast and Pearl River County Lower St. Bernard/Lower Plaquemines 2 am – 3 am South Shore/North Shore3 am – 4 am Baton Rouge Area Pike and Walthall Counties 5 am – 7 am Pointe Coupee & W. Feliciana Parishes Wilkinson & Amite Counties 8 am – 10 am Winds gradually decreasing from east to west beginning late this evening

7. Storm Tide Levels MS Coast: Tide levels were receding this evening and should continue to do so. SE LA Coast: Tide levels will begin to recede slowly overnight. Lake Pontchartrain/Maurepas: Tides 5 to 8 feet to remain at these elevated levels overnight before receding slowly later today. Positive anomaly tide levels will continue into the weekend. MS Coast: Tide levels were receding this evening and should continue to do so. SE LA Coast: Tide levels will begin to recede slowly overnight. Lake Pontchartrain/Maurepas: Tides 5 to 8 feet to remain at these elevated levels overnight before receding slowly later today. Positive anomaly tide levels will continue into the weekend.

8. Current Storm Tide Levels

9. Rainfall through Friday

10. Tornado Threat

11. Summary TROPICAL STORM WARNING is in effect for all of SE Louisiana and SW and coastal MS All of southeast LA and southern/coastal MS will continue to be affected by this storm. Strong winds will begin to subside late this evening and overnight tonight Storm tides will remain steady or fall slightly through tonight on the open coast and remain elevated in Lakes Pontchartrain and Maurepas before beginning to recede slowly Thursday Unofficial reports of up to 22 inches of rain have been recorded so far in isolated areas. Widespread significant street flooding is occurring across many areas. Heavy rain will continue through tonight and additional flash flooding is expected across the area. TROPICAL STORM WARNING is in effect for all of SE Louisiana and SW and coastal MS All of southeast LA and southern/coastal MS will continue to be affected by this storm. Strong winds will begin to subside late this evening and overnight tonight Storm tides will remain steady or fall slightly through tonight on the open coast and remain elevated in Lakes Pontchartrain and Maurepas before beginning to recede slowly Thursday Unofficial reports of up to 22 inches of rain have been recorded so far in isolated areas. Widespread significant street flooding is occurring across many areas. Heavy rain will continue through tonight and additional flash flooding is expected across the area.

12. Next Update Emails with updated slides will be sent following each advisory. Next conference call will be 2 PM CDT today. Emails with updated slides will be sent following each advisory. Next conference call will be 2 PM CDT today.

13. Contact Information Don’t hesitate to call or email us with any questions (985) 649–0429, (985) 645-0357 –Extension 4 to speak to a forecaster NWS Chat –If you don’t use software(i.e. pidgin) please log into NWSCHAT live https://nwschat.weather.gov/live/ This helps bypass the third party security issues and runs in your web browser E-mail: SR-LIX.Forecasters@noaa.govSR-LIX.Forecasters@noaa.gov http://www.srh.noaa.gov/lix/?n=embrief2 http://www.facebook.com/US.NationalWeatherService.NewOrleans.gov#!/US.NationalWeatherService.NewOrleans.govhttp://www.facebook.com/US.NationalWeatherService.NewOrleans.gov#!/US.NationalWeatherService.NewOrleans.gov Follow us on Twitter: @NWSNewOrleans Don’t hesitate to call or email us with any questions (985) 649–0429, (985) 645-0357 –Extension 4 to speak to a forecaster NWS Chat –If you don’t use software(i.e. pidgin) please log into NWSCHAT live https://nwschat.weather.gov/live/ This helps bypass the third party security issues and runs in your web browser E-mail: SR-LIX.Forecasters@noaa.govSR-LIX.Forecasters@noaa.gov http://www.srh.noaa.gov/lix/?n=embrief2 http://www.facebook.com/US.NationalWeatherService.NewOrleans.gov#!/US.NationalWeatherService.NewOrleans.govhttp://www.facebook.com/US.NationalWeatherService.NewOrleans.gov#!/US.NationalWeatherService.NewOrleans.gov Follow us on Twitter: @NWSNewOrleans