Checking the weather before you depart on a boating trip is critical to help ensure a safe journey. In this session, a National Weather Service Meteorologist walks you through the new NWS Marine Weather Portal and shows you how to obtain site specific forecasts, marine weather observations, seawater temperatures, radar and satellite images and any hazards that may threaten the area.

1. Check the forecast on the New NWS Marine Web Portal John Metz National Weather Service Corpus Christi 10/20/09 Is it safe to go out?

2. The Organization The Commerce Department NOAA NWS

3. National Weather Service 122 Weather Forecast Offices 13 River Forecast Centers

4. National Weather Service Aviation Center Storm Prediction Hurricane Center NASA Weather Modeling Centers Climate Prediction National Archive Space Weather National Centers Tsunami Center

6. WFO Corpus Christi Responsible for 15 counties and the Gulf of Mexico out 60 nm

7. National Weather Service Mission :

12. Thunderstorms 10/20/09 Threat of high Wind, Lightning, Heavy Rain, Hail, Waterspouts

14. Shelf Clouds 10/20/09 Indicate approaching front, thunderstorms & wind shifts

15. Downburst Life Cycle Initial Stage - begins when downburst starts to descend from the cloud base

16. Impact Stage – time of the strongest surface winds and greatest danger to aviation Downburst Life Cycle

17. May also appear as a Rain foot Downburst Life Cycle

18. Downburst Winds Leading Edge of downburst

19. 10/20/09 Fast Approaching Danger!

20. Fast Moving Shelf Cloud Indicates an approaching wind shift with speeds >50kts

21. 10/20/09 Waterspouts Can produce wind speeds of 40 to 90 knots

22. 10/20/09 Dense Sea Fog Visibilities less than 2 nautical miles is dangerous

28. Current Conditions 10/20/09 NDBC Buoys

29. Current Doppler Radar 10/20/09 NWS Doppler Radar Network

30. 10/20/09 Watch/Warning/Advisory Map

31. Gridded Significant Wave Heights

32. Gridded Wind Forecasts

33. Gridded Precipitation Chances

34. Gridded Precipitation Chances

35. High Seas Forecast 10/20/09 Tropical Prediction Center Miami, FL

36. 10/20/09 Internet forecast.weather.gov/mwp/

37. 10/20/09 Internet forecast.weather.gov/mwp/

38. 10/20/09 Internet forecast.weather.gov/mwp/

39. 10/20/09 Internet forecast.weather.gov/mwp/

40. 10/20/09 Internet forecast.weather.gov/mwp/

41. 10/20/09 Internet forecast.weather.gov/mwp/

42. 10/20/09 Internet forecast.weather.gov/mwp/

43. 10/20/09 Internet forecast.weather.gov/mwp/

44. 10/20/09 Internet forecast.weather.gov/mwp/

45. 10/20/09 Internet forecast.weather.gov/mwp/

47. Internet 10/20/09 www.srh.noaa.gov/crp

48. Internet 10/20/09 www.srh.noaa.gov/crp Current Observations Tide Data where Available Clickable Observation Points Click element for trends Link to Ob site

49. Internet 10/20/09 www.srh.noaa.gov/crp

50. Internet 10/20/09 www.srh.noaa.gov/crp

51. Internet 10/20/09 www.srh.noaa.gov/crp Interactive Forecast Map

52. Internet 10/20/09 Marine Point and Click Forecast at a Glance Nearby Obs Radar and Satellite Links Full Point Forecast Selected Point – Interactive Map

53. Internet 10/20/09 Marine Zone Forecast Synopsis Nearby Obs Radar and Satellite Links Full Zone Forecast Selected Zone – Interactive Map

54. Additional Useful Links 10/20/09 Zone Forecast Link Forecast Discussion Tide Link Hourly Weather Graph

55. Hourly Weather Graph 10/20/09

56. Additional Useful Links 10/20/09 Tabular Forecast

57. Tabular Forecast 10/20/09