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GULFSTREAM CROSSINGS An Ocean and Weather Briefing Dane and Jenifer Clark. Warm Eddy Formation, stable instabilities, rower stuck in eddy. Cold Eddy formation, last up to 2 years, runaway barge. OCEAN FEATURE MOVEMENTS OVER TIME. Miami WERA Surface Currents.
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GULFSTREAM CROSSINGS An Ocean and Weather Briefing Dane and Jenifer Clark
Warm Eddy Formation, stable instabilities, rower stuck in eddy
ALTIMETRY ANOMALY ANALYSIS SHOWING EDDY SEA HEIGHT ABOVE AND BELOW MEAN
WEATHER DOMINATES OCEAN FOR 1982 NEWPORT RACE! • 1982 was a spectacular race that was postponed for 2 days due to weather
Tori Murden’s victory row across Atlantic Ocean, first woman to solo Atlantic East to West, 1999
Square wave patternthe result of wind opposing ocean current
GULFSTREAM HAZARD SCALE(SQUARE-WAVE CONDITIONS) CATRISK* WN/OP/CURFETCHSIG WV HEIGHTEXWAVES 1 LOW 20-25 KTS 1 DAY 5-10 FEET > 15 FEET 2 MODERATE 20-25 KTS 2-3+ DAYS 8-15 FEET > 20 FEET 3 HIGH 25-35 KTS 1 DAY 13-18 FEET > 30 FEET 25-35 KTS 2-3+ DAYS 15-25 FEET > 40 FEET 4 VERY HIGH 35-45 KTS 1 DAY 20-30 FEET > 50 FEET 35-45 KTS 2-3+ DAYS 25-35 FEET > 60 FEET 5 EXTREME 45-60+ KTS 1 DAY 30-45 FEET >70 FEET 45-60+ KTS 2-3+ DAYS 35-50 FEET >80 FEET RISK - PROBABILITY OF ENCOUNTERING AN EXTREME WAVE WITH A “SQUARE WAVE” OR STEEP-FACE STRUCTURE (A RECOGNIZED HAZARD TO NAVIGATION) WN/OP/CUR – WIND OPPOSING CURRENT (BOTH MAIN GULFSTREAM AND EDDIES) FETCH – DISTANCE AND DURATION OF THE WIND PATTERN SIG WV HEIGHT – SIGNIFICANT WAVE HEIGHT (INTERNATIONAL SCALE) EXWAVES – EXTREME WAVE POTENTIAL AFTER SEVERAL HOURS IN THESE CONDITIONS
GULFSTREAM HAZARD SCALE(SQUARE-WAVE CONDITIONS) CATRISK* WN/OP/CURFETCHSIG WV HEIGHTEXWAVES 1 LOW 20-25 KTS 1 DAY 5-10 FEET > 15 FEET 2 MODERATE 20-25 KTS 2-3+ DAYS 8-15 FEET > 20 FEET 3 HIGH 25-35 KTS 1 DAY 13-18 FEET > 30 FEET 25-35 KTS 2-3+ DAYS 15-25 FEET > 40 FEET 4 VERY HIGH 35-45 KTS 1 DAY 20-30 FEET > 50 FEET 35-45 KTS 2-3+ DAYS 25-35 FEET > 60 FEET 5 EXTREME 45-60+ KTS 1 DAY 30-45 FEET >70 FEET 45-60+ KTS 2-3+ DAYS 35-50 FEET >80 FEET RISK - PROBABILITY OF ENCOUNTERING AN EXTREME WAVE WITH A “SQUARE WAVE” OR STEEP-FACE STRUCTURE (A RECOGNIZED HAZARD TO NAVIGATION) WN/OP/CUR – WIND OPPOSING CURRENT (BOTH MAIN GULFSTREAM AND EDDIES) FETCH – DISTANCE AND DURATION OF THE WIND PATTERN SIG WV HEIGHT – SIGNIFICANT WAVE HEIGHT (INTERNATIONAL SCALE) EXWAVES – EXTREME WAVE POTENTIAL AFTER SEVERAL HOURS IN THESE CONDITIONS
April 07- Storm – SubTrop Andrea 4 boats lost, 9 rescued, 4 died, 21 containers overboard