TABLE II SYNOPTIC OBSERVATIONS 021600U TO 031000 U FIRST GROUP OF MESSAGE POSITION OF SHIP WIND WEATHER PRESSURE CLOUDS 3-HOUR PRESSURE TENDENCY SIGNIFICANT CLOUD Day of Octant Latitude Longitude TIME Total Cloud Wind Speed Visi- Barometer AIR TEMP. Amount of Low Cloud Type of CL Height of Low Cloud Type of CM Type of CH Course of Ship (0.9) Speed of Ship (0.9) Characteristic Amount of Change Indicator Amount Type Height (1-7) (5-8) (Degrees (Degrees (GMT) Amt. Direction True) bility Present Past Corrected Temp. Low Cloud CL High CM CH Course of Ship (0.9) Speed of Ship (0.9) Characteristic Amount of Change Indicator Amount Type Height (GMT) (3-5-8) and tenths) and tenths) (Coded) (True) (Knots) (90-99) (00-99) (0-9) (Mb) (°C) (0.9) (0.9) (0.9) (0.9) (0-8) (Mb and tenths) (Eights) 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Y Q L₀ L₀ L₀ L₀ L₀ L₀ GG N dd ff VV ww W ppp TT NH CL h CM CH Ds Vs a pp 8 Ns C hs hs SHIP 1 1 333 179 00 0 31 12 98 02 0 159 17 0 0 90 0 7 3 0 06 8 0 0 50 SHIP 1 1 339 191 06 0 30 15 99 02 0 159 15 0 0 90 0 6 4 4 00 8 0 0 00 SHIP 1 1 343 204 12 0 28 20 99 02 0 156 14 0 0 90 0 7 4 4 00 8 0 0 00 SHIP 1 1 348 216 18 8 14 21 99 61 1 159 15 7 4 4 71 6 4 0 07 8 5 7 15 Indicator AIR SEA DEW POINT SEA WAVES SWELL WAVES ICE ACCRETION SEA ICE DO NOT TRANSMIT SEA DIFF. POINT (°C) Direction Period Height Direction Period Height Indicator Source Thickness Rate Indicator Kind Effect Bearing Distance Orientation (Coded) (°C) (Coded) (Coded) (Coded) (Coded) Indicator Direction Period Height (Coded) 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Ts Td Ts Td dw dw Pw Hw 1 dw dw Pw Hw 2 Is Es Es Rs ICE C₂ K Di r e Dry Bulb Wet Bulb Sea Water Temp. (Degrees (Degrees and tenths) and tenths) (Degrees and tenths) A₁ A₂ A₃ Celsius Celsius Celsius 0 53 13 1 31 2 1 1 00 0 0 2 ICE 60 62 0 60 09 1 30 2 1 1 00 0 0 2 ICE 62 0 57 11 1 28 2 1 1 00 0 0 2 ICE 62 0 66 12 1 14 2 1 1 30 6 7 2 ICE 62 REMARKS EXAMINED USN, NAVIGATOR