ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 1 September 2012 DAILY METRIC: TL REMARKS: Glassy calm sea today. Just a whisper of wind. Clear skies and bright sun. We are on the same latitude as Arica, Chile just south of the border from Bolivia. We are 600 miles offshore. EST. POSITIONS: (from 1800) 24 hrs 48 hrs Latitude (S): 22 32 26 22 Longitude (W): 79 45 78 35 GMT TIME: 0000 0600 1200 1800 POSITION: Latitude (S): 15 50.4 16 48.2 17 47.1 18 46.0 Longitude (W): 81 50.0 81 32.7 81 15.1 80 57.3 WEATHER: TEMPERATURE (C): 21.1 18.6 19.3 19.2 AIR PRESSURE (MB): 1015.7 1017.2 1016.7 1016.3 REL HUMIDITY (%): 56.4 67.6 67.5 64.5 WIND SPEED (KN): 10 1-5 calm 3 WIND DIRECTION (T) SE SE calm S SWELL HEIGHT (FT): 5 2-3 4-5 2-3 SWELL DIRECTION: N N N N SALINITY (PSU): 35.251 35.250 35.251 35.276 SEA SURF TEMP (C): VISIBILITY (NM): 8-10 8-10 8-10 8-10 CLOUDS (%): 10 0 0 0 SEA STATE: 2 2 2 2 ENGINES/RPM/PITCH: 2/850/90 2/850/90 2/850/90 2/850/90 (example: 2/900/100 or OS: on station, VP: variable pitch) ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 2 September DAILY METRIC: TL REMARKS: We are west of Antofagasta, Chile. This evening a green flash was observed during sunset. This is an optical phenomena that occurs during sunset that lasts for a second just as the upper limb sinks below the horizon. This is due to refraction of the sun's rays requiring the proper atmospheric conditions and an unobstructed horizon. GMT TIME: 0000 0600 1200 POSITION: Latitude (S): 19 43.8 20 43.2 21 41.0 Longitude (W): 80 79.7 80 21.6 80 03.9 WEATHER: TEMPERATURE (C): 19.2 18.7 18.1 AIR PRESSURE (MB): 1016.1 1015.6 1016.0 REL HUMIDITY (%): 64 65.9 70.4 WIND SPEED (KN): calm calm 5 WIND DIRECTION (T) calm W SWELL HEIGHT (FT): 5 3-5 3-5 SWELL DIRECTION: N N N SALINITY (PSU): 35.217 35.132 35.195 SEA SURF TEMP (C): VISIBILITY (NM): 8-10 8-10 8-10 CLOUDS (%): 0 0 30 SEA STATE: 2 2 2 ENGINES/RPM/PITCH: (example: 2/900/100 or OS: on station, VP: variable pitch) ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 3 September 2012 DAILY METRIC: TL REMARKS: We are presently just east of Isla San Ambrosio and Isla San Felix, two islands belonging to Chile. Our present ETA to the Ancud, Chile pilot station is 1200LT on 7 September 2012. EST. POSITIONS: (from 1800) 24 hrs 48 hrs Latitude (S): 30 15 34 00 Longitude (W): 77 25 76 20 GMT TIME: 0000 0600 1200 1800 POSITION: Latitude (S): 23 36.4 24 35.6 25 33.9 26 33.2 Longitude (W): 79 28.0 79 09.4 78 51.7 78 35.1 WEATHER: TEMPERATURE (C): 20.1 19.1 17.5 20.2 AIR PRESSURE (MB): 1019.6 1017.0 1017.7 1019.2 REL HUMIDITY (%): 66.9 69.5 69.2 55.4 WIND SPEED (KN): 11 10-15 15 10-15 WIND DIRECTION (T) S S S SSE SWELL HEIGHT (FT): 5 3-5 4-6 3-5 SWELL DIRECTION: N N N N SALINITY (PSU): 35.059 34.945 34.859 34.702 SEA SURF TEMP (C): VISIBILITY (NM): 10 8-10 8-10 8-10 CLOUDS (%): 50 100 80 20 SEA STATE: 2 3 3 3 ENGINES/RPM/PITCH: 2/850/90 2/850/90 2/850/90 2/850/90 (example: 2/900/100 or OS: on station, VP: variable pitch) ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 4 September 2012 DAILY METRIC: TL REMARKS: It is starting to feel like we have traded late summer to the north for early spring in the south. Winds are a little stronger and cooler as we approach a latitude due west of La Serena, Chile. EST. POSITIONS: (from 1800) 24 hrs 48 hrs Latitude (S): 34 00 37 25 Longitude (W): 76 20 75 20 GMT TIME: 0000 0600 1200 1800 POSITION: Latitude (S): 27 30.8 28 29.7 29 28.7 30 28.0 Longitude (W): 78 19.0 78 02.3 77 45.7 77 29.1 WEATHER: TEMPERATURE (C): 18.7 17.5 15.0 17.6 AIR PRESSURE (MB): 1021.0 1022.9 1023.9 1025.5 REL HUMIDITY (%): 66.0 66.4 78.9 57.7 WIND SPEED (KN): 20 15-20 20-25 20-25 WIND DIRECTION (T) S SE SE SSE SWELL HEIGHT (FT): 5 3-5 4-6 4-6 SWELL DIRECTION: N N N N SALINITY (PSU): 34.624 34.626 34.524 34.445 SEA SURF TEMP (C): VISIBILITY (NM): 10 6-8 8-10 8-10 CLOUDS (%): 80 100 80 10 SEA STATE: 3 5 4 4 ENGINES/RPM/PITCH: 2/850/90 2/850/90 2/850/90 2/850/90 (example: 2/900/100 or OS: on station, VP: variable pitch) ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 5 September 2012 DAILY METRIC: TL REMARKS: Winds are up a bit from the south, feeling more like a mild Drake crossing. We are on a latitude just southwest of San Antonio, gradually angling closer to Chile to fetch the Ancud pilot station. EST. POSITIONS: (from 1800) 24 hrs 48 hrs Latitude (S): 37 35 41 20 Longitude (W): 75 15 74 05 GMT TIME: 0000 0600 1200 1800 POSITION: Latitude (S): 31 19.6 36 17.7 33 12.7 34 06.7 Longitude (W): 77 19.2 76 56.1 76 39.8 36 23.5 WEATHER: TEMPERATURE (C): 16.3 15.4 13.2 12.7 AIR PRESSURE (MB): 1025.3 1024.0 1021.4 1019.4 REL HUMIDITY (%): 58.9 52.0 66.2 76.5 WIND SPEED (KN): 25-30 20-25 20-25 20-25 WIND DIRECTION (T) SE S S S SWELL HEIGHT (FT): 6 3-5 6-8 4-6 SWELL DIRECTION: N N N N SALINITY (PSU): 34.470 34.447 34.204 SEA SURF TEMP (C): VISIBILITY (NM): 10 8-10 8-10 6-8 CLOUDS (%): 50 90 90 100 SEA STATE: 3 5 4 5 ENGINES/RPM/PITCH: 2/850/90 2/850/90 2/850/90 (example: 2/900/100 or OS: on station, VP: variable pitch) ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 6 September 2012 DAILY METRIC: TL REMARKS: We are 195nm NW of Ancud, Chile with an ETA of 1500LT. EST. POSITIONS: (from 1800) 24 hrs Latitude (S): 41 50 Longitude (W): 74 05 GMT TIME: 0000 0600 1200 1800 POSITION: Latitude (S): 35 07.7 35 55.4 36 41.4 37 48.6 Longitude (W): 76 06.6 75 50.3 75 36.1 75 14.9 WEATHER: TEMPERATURE (C): 13.8 14.2 12.7 13.1 AIR PRESSURE (MB): 1919.1 1017.4 1019.7 1019.0 REL HUMIDITY (%): 71.4 73.5 75.4 69.4 WIND SPEED (KN): 25 20-30 15 10-15 WIND DIRECTION (T) S S S SE SWELL HEIGHT (FT): 7-8 4-6 6-7 3-5 SWELL DIRECTION: N N N N SALINITY (PSU): 34.491 34.034 33.994 33.930 SEA SURF TEMP (C): VISIBILITY (NM): 8-10 6-8 6-8 6-8 CLOUDS (%): 20 20 100 100 SEA STATE: 4 5 3 3 ENGINES/RPM/PITCH: 2/850/90 2/850/90 2/850/90 (example: 2/900/100 or OS: on station, VP: variable pitch) ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 7 September 2012 DAILY METRIC: TL REMARKS: Once we approached the coast, winds abated in the lee. We picked up the two pilots at the Ancud pilot station at 1500LT and are now underway on the inside. GMT TIME: 0000 0600 1200 1800 POSITION: Latitude (S): 38 50.8 39 54.6 40 52.3 41 47.0 Longitude (W): 74 55.2 74 34.4 74 15.5 73 48.8 WEATHER: TEMPERATURE (C): 11.9 9.8 10.3 12.3 AIR PRESSURE (MB): 1020.4 1018.7 1017.9 1019.4 REL HUMIDITY (%): 71.9 85.4 80.9 51.6 WIND SPEED (KN): 5 5-10 5-10 10-15 WIND DIRECTION (T) S SW NW W SWELL HEIGHT (FT): 4-5 3-5 4-6 calm SWELL DIRECTION: N N NE SALINITY (PSU): 33.694 32.616 33.207 32.616 SEA SURF TEMP (C): VISIBILITY (NM): 6-8 6-8 6-8 8-10 CLOUDS (%): 100 100 90 45 SEA STATE: 3 3 3 1 ENGINES/RPM/PITCH: 2/850/90 2/850/90 2/850/90 2/850/90 (example: 2/900/100 or OS: on station, VP: variable pitch) ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 9 September 2012 DAILY METRIC: TL REMARKS: Fine scenery greeted us as we made our way through some of the narrower inside passages, including the English Narrows. The weather is overcast and snow covers the high elevations. Narrow waterfalls plunge from the snowcover above. GMT TIME: 0000 0600 1200 POSITION: Latitude (S): 46 01.4 46 59.2 47 50.7 Longitude (W): 75 21.1 75 42.3 74 49.0 WEATHER: TEMPERATURE (C): 8.6 7.8 6.5 AIR PRESSURE (MB): 1026.7 1023.0 1023.1 REL HUMIDITY (%): 83.2 80.2 86.6 WIND SPEED (KN): 12 15-20 15 WIND DIRECTION (T) NW NW NW SWELL HEIGHT (FT): 6-8 6-8 1-2 SWELL DIRECTION: SW SW S SALINITY (PSU): 31.309 33.757 30.057 SEA SURF TEMP (C): VISIBILITY (NM): 8-10 6-8 4-5 CLOUDS (%): 50 100 100 SEA STATE: 3 4 2 ENGINES/RPM/PITCH: 2/850/100 2/800/100 2/850/100 (example: 2/900/100 or OS: on station, VP: variable pitch) ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 10 September 2012 DAILY METRIC: TL REMARKS: We will arrive in Punta Arenas, Chile tomorrow at 0600LT after a 25 day transit from Port Fourchon, Louisiana via the Panama Canal. Weather the entire trip was excellent affording good speed. These last few days through the Chilean archipelago has presented numerous scenic visits heralding our arrival into early Spring in the high latitudes of the southern hemisphere. GMT TIME: 0000 0600 1200 1800 POSITION: Latitude (S): 50 03.2 51 05.3 52 05.0 53 05.4 Longitude (W): 74 35.9 74 11.6 73 44.0 73 30.4 WEATHER: TEMPERATURE (C): 7.3 7.4 6.7 8.2 AIR PRESSURE (MB): 1014.6 1005.6 998.2 990.0 REL HUMIDITY (%): 87.5 68.9 79.9 68.3 WIND SPEED (KN): 30 25-30 25-30 25-30 WIND DIRECTION (T) NW N NW N SWELL HEIGHT (FT): 1-2 1-2 1-2 1-2 SWELL DIRECTION: variable variable variable NW SALINITY (PSU): 33.015 27.807 26.055 29.452 SEA SURF TEMP (C): VISIBILITY (NM): 6-8 6-8 4-6 8-10 CLOUDS (%): 100 100 100 100 SEA STATE: 2 2 2 2 ENGINES/RPM/PITCH: 2/850/100 2/850/100 2/850/100 2/850/100 (example: 2/900/100 or OS: on station, VP: variable pitch) ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 19 September 2012 DAILY METRIC: SS REMARKS: On September 18th, the Dia de Independencia for Chile, the Laurence M. Gould departed Punta Arenas at 1415LT. We are bound for Palmer Station via the outside route which will take us to the west of Anvers Island. This is to avoid ice in the narrower passages on the inside route as evidenced by recent satellite imagery. We are also performing a Drake Passage XBT survey southbound. We have been in the Drake for approximately 12+ hours and are experiencing very mild conditions. Our ETA to Palmer Station is early morning on 22 September. GMT TIME: 0000 0600 1200 1800 POSITION: Latitude (S): 52 58.7 53 46.9 54 38.2 Longitude (W): 67 38.3 66 17.4 64 57.8 WEATHER: TEMPERATURE (C): 5.0 6.4 7.0 AIR PRESSURE (MB): 993.9 991.0 990.3 REL HUMIDITY (%): 77.6 79.4 77.6 WIND SPEED (KN): 20 15-20 20 WIND DIRECTION (T) 330 333 315 SWELL HEIGHT (FT): 3-4 2-4 4 SWELL DIRECTION: NE NW NW SALINITY (PSU): 32.552 32.964 32.902 SEA SURF TEMP (C): 3.161 5.488 5.888 VISIBILITY (NM): 8 8-10 10 CLOUDS (%): 100 90 30 SEA STATE: 2 2 2 ENGINES/RPM/PITCH: 2/900/100 2/900/100 2/900/100 (example: 2/900/100 or OS: on station, VP: variable pitch) ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 20 September DAILY METRIC: SS REMARKS: Winds were mostly light today, sometimes variable in direction. A swell out of the SW gives us a mild roll. Volunteers are helping around the clock with the XBT transect and sample taking. Time is flying as we quickly close on Palmer Station. EST. POSITIONS: (from 1800) 24 hrs 48 hrs Latitude (S): 62 45 64 46 Longitude (W): 64 59 64 04 GMT TIME: 0000 0600 1200 1800 POSITION: Latitude (S): 55 42 56 33 57 47 58 54 Longitude (W): 64 58 64 58 64 58 64 59 WEATHER: TEMPERATURE (C): 6.6 4.7 2.8 1.1 AIR PRESSURE (MB): 990.7 989.7 990.5 991.0 REL HUMIDITY (%): 80.3 93.3 89.8 87.4 WIND SPEED (KN): 4-5 11 10-12 4-5 WIND DIRECTION (T) 225 260 235 170 SWELL HEIGHT (FT): 2-3 3-5 2-4 5-6 SWELL DIRECTION: WSW WSW SW NW/SE SALINITY (PSU): 34.075 34.070 33.980 33.863 SEA SURF TEMP (C): 4.367 4.317 2.721 6.497 VISIBILITY (NM): 10 6-8 3-4 5 CLOUDS (%): 100 100 100 100 SEA STATE: 2 2 2 2 ENGINES/RPM/PITCH: 2/900/100 2/900/100 2/900/100 2/900/100 (example: 2/900/100 or OS: on station, VP: variable pitch) ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 21 September DAILY METRIC: SS REMARKS: Winds picked up more from the E, NE today with an increase in swell. By mid afternoon we were experiencing grease ice and had to reduce speed to avoid freezing in the sea chest. We are still on track for an arrival tomorrow at Palmer Station. Our Drake Passage transect consisting of XBTs, XCTDs, water samples for nutrients and salinity, PCO2 and air samples have been completed. EST. POSITIONS: (from 1800) 24 hrs 48 hrs Latitude (S): 64 46 64 46 Longitude (W): 64 04 64 04 GMT TIME: 0000 0600 1200 1800 POSITION: Latitude (S): 59 58 60 40 62 06 63 04 Longitude (W): 64 59 64 59 64 59 64 59 WEATHER: TEMPERATURE (C): -1.4 -2.4 -4.5 -6.0 AIR PRESSURE (MB): 991.5 992.1 994.7 998.0 REL HUMIDITY (%): 95.1 100 84.6 83.2 WIND SPEED (KN): 18-23 25-30 18-32 32 WIND DIRECTION (T) W NW NE E SWELL HEIGHT (FT): 5-10 5-10 6-8 9-12 SWELL DIRECTION: W W ENE NE SALINITY (PSU): 33.776 33.407 33.767 33.981 SEA SURF TEMP (C): -1.407 -1.521 -1.606 -1.818 VISIBILITY (NM): 2-3 1-2 4-5 1-2 CLOUDS (%): 100 100 100 100 SEA STATE: 3 4 4 4 ENGINES/RPM/PITCH: 2/900/100 2/900/100 2/900/100 2/900/80 (example: 2/900/100 or OS: on station, VP: variable pitch) ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 29 September 2012 DAILY METRIC: SS REMARKS: Moderate weather in the Drake. This morning at 0115LT we began the first CTD station for project O-124-L (J.Ledwell). As of this writing at 1700LT we have completed four stations and are enroute to station #5. EST. POSITIONS: (from 1800) 24 hrs 48 hrs Latitude (S): 59 53 58 17 Longitude (W): 62 25 62 40 GMT TIME: 0000 0600 1200 1800 POSITION: Latitude (S): 63 33.1 62 52.7 62 14.1 61 40.6 Longitude (W): 64 48.4 64 41.5 64 25.3 64 11.9 WEATHER: TEMPERATURE (C): 2 0.8 0.4 2.1 AIR PRESSURE (MB): 1009.0 1006.3 1001.4 996.2 REL HUMIDITY (%): 80.3 88.8 90.4 84.5 WIND SPEED (KN): 19-24 20-22 10-24 23 WIND DIRECTION (T) N N NE N SWELL HEIGHT (FT): 4-6 4-6 4-6 5-7 SWELL DIRECTION: N SE NE NW SALINITY (PSU): 33.955 33.922 33.792 33.780 SEA SURF TEMP (C): -1.680 -1.661 -1.589 -1.389 VISIBILITY (NM): 2-3 4-6 4-5 2 CLOUDS (%): 100 100 100 100 SEA STATE: 4 3 4 4 ENGINES/RPM/PITCH: 2/850/90 2/850/VP 2/850/90 2/850/90 (example: 2/900/100 or OS: on station, VP: variable pitch) ARSV LAURENCE M. GOULD DAILY SITUATION REPORT GMT DATE: 30 September 2012 DAILY METRIC: SS REMARKS: We continue to make good progress working through the Drake CTD transect. We are approaching Station #12 at this moment, leaving 7 stations after this. Weather promises to be moderate another 24 hours. EST. POSITIONS: (from 1800) 24 hrs 48 hrs Latitude (S): 58 03 55 00 Longitude (W): 62 09 65 00 GMT TIME: 0000 0600 1200 1800 POSITION: Latitude (S): 61 16.4 60 49.4 60 04.1 59 42.0 Longitude (W): 64 00.9 63 45.6 63 30.4 63 15.6 WEATHER: TEMPERATURE (C): -0.1 -1.5 -0.3 -1.9 AIR PRESSURE (MB): 999.1 1006.2 1009 1007.7 REL HUMIDITY (%): 93.8 94.4 92.5 86.1 WIND SPEED (KN): 23-25 25 8-10 10 WIND DIRECTION (T) W W W NE SWELL HEIGHT (FT): 4-8 6-8 4-6 6 SWELL DIRECTION: W E NW NW SALINITY (PSU): 33.828 33.633 33.775 33.853 SEA SURF TEMP (C): -1.459 -1.361 -1.083 -0.89 VISIBILITY (NM): 2-3 4-6 4-5 2 CLOUDS (%): 100 100 100 100 SEA STATE: 4 4 3 3 ENGINES/RPM/PITCH: 2/850/90 2/850/90 2/900/VP 2/900/VP (example: 2/900/100 or OS: on station, VP: variable pitch)