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National Weather Service Marine Products Frank Alsheimer Science and Operations Officer National Weather Service Forecas

National Weather Service Marine Products Frank Alsheimer Science and Operations Officer National Weather Service Forecast Office Charleston, SC. NWS Mission.

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National Weather Service Marine Products Frank Alsheimer Science and Operations Officer National Weather Service Forecas

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  1. National Weather Service Marine Products Frank Alsheimer Science and Operations Officer National Weather Service Forecast Office Charleston, SC

  2. NWS Mission The National Weather Service (NWS) provides weather, hydrologic, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy. NWS data and products form a national information database and infrastructure which can be used by other governmental agencies, the private sector, the public, and the global community

  3. Some of the Forecast Players • Weather Forecast Offices • National Centers for Environmental Prediction • Ocean Prediction Center • Tropical Prediction Center • Environmental Modeling Center • Others

  4. Weather Forecast Offices (WFO)

  5. WFO Marine Products • Coastal Waters Forecast (Text) - Out to 20NM offshore from Maine to South Carolina - Out to 60NM offshore from Georgia to Texas - 5 day forecast of winds, seas, weather, other hazards - Headlines for Long-Fused (> 3hours) Advisories or Warnings

  6. COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 1030 AM CDT WED JUL 20 2005 MIDDLE TEXAS COASTAL WATERS FROM BAFFIN BAY TO MATAGORDA SHIP CHANNEL OUT TO 60 NAUTICAL MILES. 1030 AM CDT WED JUL 20 2005 SMALL CRAFT ADVISORY IS IN EFFECT TODAY EAST WIND 25 TO 30 KNOTS WITH GUSTS TO 35 KNOTS IN THE MORNING DECREASING TO AROUND 20 KNOTS IN THE AFTERNOON. SEAS 10 TO 13 FEET SUBSIDING TO 8 TO 11 FEET IN THE AFTERNOON. PERIODS OF SHOWERS WITH ISOLATED THUNDERSTORMS. TONIGHT EAST WIND AROUND 20 KNOTS DECREASING TO 10 TO 15 KNOTS LATE. SEAS 6 TO 8 FEET SUBSIDING TO 4 TO 6 FEET AFTER MIDNIGHT. SCATTERED SHOWERS. THURSDAY SOUTHEAST WIND AROUND 10 KNOTS. SEAS 3 TO 5 FEET. SCATTERED SHOWERS AND THUNDERSTORMS. THURSDAY NIGHT SOUTHEAST WIND AROUND 10 KNOTS. SEAS 3 TO 5 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. FRIDAY SOUTHEAST WIND 5 TO 10 KNOTS. SEAS 2 TO 4 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. SATURDAY SOUTHEAST WIND 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. SUNDAY SOUTH WIND 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.

  7. WFO Marine Products Graphical Forecasts - Plan view depiction of forecast winds, waves, clouds, and weather out 5 days. - CWF text product actually derived from graphics produced by WFO forecasters.

  8. Long-Fused Warnings/Advisories Small Craft Advisories - Winds of 21 to 33 knots - Seas of 6 to 7 feet or greater Gale Warnings - Winds of 34 knots to 47 knots (non-tropical) Storm Warnings - Winds of 48 knots or greater (non-tropical)

  9. Short-Fused Warnings/Statements Issued for short duration (< 3 hours) Special Marine Warning - Wind gusts to 34 knots or greater (convective) - Waterspouts Marine Weather Statements - Wind gusts of 25 to 33 knots (stand alone) - Add more information to an ongoing Special Marine Warning

  10. Surf Zone Forecast Nearshore Wave Height Forecast Rip Current Threat Winds and Weather Water Temperature

  11. Incident Response • Support NOAA HAZMAT -- Provide “Spot Forecasts” of winds, waves, and weather for hazardous material spills (Done for wildfires for a long time). -- Role in incidents likely increasing with time (ex. Columbia recovery support)

  12. Ocean Prediction Center - High Seas Text - North Atlantic/North Pacific - Offshore Waters Forecast - New England to Florida - Weather Fax Products - Surface and 500 mb Forecast to 5 Days - Sea State Analysis - Warnings – Gale, Storm, Hurricane Force

  13. Tropical Prediction Center Tropical Cyclone Forecasts/Warnings (National Hurricane Center) Other Marine Forecasts for the Tropical Atlantic (Tropical Analysis and Forecast Branch) - High Seas Text - Offshore Waters Forecast - Wind, Wave, and Surface Pressure Forecast - Sea State Analysis - Tropical Cyclone Danger Areas (in hurricane season) - High Wind/Wave Graphics (outside hurricane season)

  14. Data We Use For Marine Forecasts • Buoys/Platforms • Ship/Beach Reports • Land Stations • Models • Satellite • Radar • Airplanes • Web Cams

  15. The Future? - More accurate forecasts. - Increased resolution in space and time. - New communication methods for forecasts and warnings. - Additional graphic capabilities. - Integration of new science into the data collection and forecast process. - Continue to build partnerships to leverage resources for improved service.

  16. ?????? QUESTIONS

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