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García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D; Koek, Frits B (2010): Meteorological observations during CLIVE cruise from St. Helena to Uk started at 1770-04-12 [dataset]. British Library, London, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.747919, In: Jones, Philip D; Wheeler, Dennis A; Können, Gunther P; Koek, Frits B; Prieto, Maria del Rosario; García-Herrera, Ricardo (2007): Climatological observations from ship logbooks between 1750 and 1854 (release 2.1) [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.611088

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Related to:
García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D; Koek, Frits B (2005): CLIWOC: A Climatological Database for the World's Oceans 1750–1854 (and 10 more publications about CLIWOC results in the same volume). Climatic Change, 73(1-2), 1-12ff, https://doi.org/10.1007/s10584-005-6952-6
Funding:
Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00090: Climatological Database for the Worlds Oceans: 1750-1854
Coverage:
Median Latitude: 17.355818 * Median Longitude: -27.037818 * South-bound Latitude: -15.100000 * West-bound Longitude: -37.830000 * North-bound Latitude: 46.120000 * East-bound Longitude: -4.980000
Date/Time Start: 1770-04-12T12:00:00 * Date/Time End: 1770-06-06T13:00:00
Event(s):
Clive_17700412_BL_L/MAR/B/533C * Latitude Start: -15.890000 * Longitude Start: -5.750000 * Latitude End: 49.450000 * Longitude End: -5.630000 * Date/Time Start: 1770-04-12T00:00:00 * Date/Time End: 1770-06-06T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Clive, Voyage: St Helena - Uk, 1st Observer: John Allen (Captain), Company: EIC
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DATE/TIMEDate/TimeGeocode
LATITUDELatitudeGeocode
LONGITUDELongitudeGeocode
Wind directiondddegWind direction (from which the wind is blowing) in whole degrees from: 1-360; 361 = calm, 362 = variable. It is not clear from many logbook entries whether the wind direction has been corrected for the magnetic variation (or declination). To avoid any misunderstanding, all winds from reports that included a valid position in the period 1750-1854 were corrected. All other wind directions are given without being corrected.
Wind speedffm/scalculated from the descriptive terms of wind force given in the observations
LandmarkLandmarkName of first landmark
BearingBearingBearing of the first landmark
CourseCourseCourse of the ship during the past 24 hours
DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
10 DeclinationDecldegIt is generally accepted by the CLIWOC team that the wind directions, reported by the ships officers, were relative to the magnetic North direction. Navigators were well aware of the difference between the true and magnetic north direction, but the compasses (we assumed that the bearing-compasses were mostly used for determining the wind direction) were not always adjusted. Therefore the wind direction has to be corrected. The magnetic declination (or variation, as it is known on board ships) is given for the whole CLIWOC period (1750-1850) for every 5x5 degree square. The number was added to the wind direction to get the true wind direction.
11 Wind direction descriptionWind dir descrAll reported wind directions on this day. The wind direction is the direction that points to where the wind comes from.
12 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
13 Current speed descriptionV descr
14 Wind force descriptionWind force descrAll reported wind forces on this day
15 Present weatherwwWeather description
16 Precipitation descriptionPrecip descr
17 State of the sea descriptionState sea descr
18 ClearnessClearness
19 GustsGusts1 If wind gusts are reported
20 Precipitation/RainRain1 If rain was reported
21 FogFog1 If fog was reported
22 Snow typeSnow1 If snow was reported
23 ThunderThunder1 If thunder and or lightning was reported
24 HailHail1 If hail was reported
25 Sea iceSea ice1 If sea-ice or icebergs were reported
26 CommentComment
27 IdentificationIDCLIWOC 2.1 line number
Size:
932 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Date/Time

Latitude

Longitude

dd [deg]

ff [m/s]

Landmark

Bearing

Course

Distance [arbitrary units]
10 
Decl [deg]
11 
Wind dir descr
12 
Cur dir descr
13 
V descr
14 
Wind force descr
15 
ww
16 
Precip descr
17 
State sea descr
18 
Clearness
19 
Gusts
20 
Rain
21 
Fog
22 
Snow
23 
Thunder
24 
Hail
25 
Sea ice
26 
Comment
27 
ID
1770-04-12T12:00-15.10-4.981229.3ST HELENA0.49WN40W74.00-13SEBS, SEA SETTLED STEADY WINDFAIR0000000a trivial correction was made in this observation43050
1770-04-13T12:00-14.02-6.001229.3N38W93.00-13SBE, SSE, SEA SETTLED STEADY WINDFAIR0000000a trivial correction was made in this observation43051
1770-04-14T12:00-12.58-7.3210015.4N38W127.00-13SBE, SEBE, SSE, SE, E, ESEMODERATE GALESFINE0000000a trivial correction was made in this observation43052
1770-04-15T13:00-10.87-8.8813515.4N39W145.00-11ESE, SEBE, SSE, SEBSMODERATE GALESFINE0000000a trivial correction was made in this observation43053
1770-04-16T13:00-9.35-10.501249.3N43W141.00-11SE, SEBE, SEA PLEASANT TRADEAGREEABLE0000000a trivial correction was made in this observation43054
1770-04-17T13:00-8.00-11.881139.3N42W121.00-11SEBS, SE, SEBEA PLEASANT TRADEAGREEABLE0000000a trivial correction was made in this observation43055
1770-04-19T13:00-6.50-14.451039.3NW3/4N108.00-10E, ESEA FINE GALEFAIR0000000a trivial correction was made in this observation43056
1770-04-20T13:00-5.20-15.521259.3N37W106.00-10ESE, SE, SEBS, SE, ESE, SEA MODERATE TRADEPLEASANT0000000a trivial correction was made in this observation43057
1770-04-21T13:00-3.85-16.521259.3N38W96.00-10SEA MODERATE TRADEPLEASANT0000000a trivial correction was made in this observation43058
1770-04-22T13:00-2.77-17.451362.6N41W85.00-10SE, SEBE, SEBSLIGHT WINDSSERENE0000000a trivial correction was made in this observation43059
1770-04-23T13:00-1.77-18.381721.0N41W85.00-8SE, EBS, ENE, NEBE, SVARIABLE, FAINT WEATHERSOME RAIN0100000a trivial correction was made in this observation43060
1770-04-24T13:00-0.85-19.101382.6N41W65.00-8SEBE, SEBSLIGHT BREEZESCLOUDY0000000a trivial correction was made in this observation43061
1770-04-25T13:000.55-20.23606.7NW96.00-8SEBS, ESE, E, ENE, NEBE, ENENSTRONGFIRST AND MIDDLE PARTS MODERATE BREEZES, THE LATTER INCREASINGFINE THROUGHOUT0000000a trivial correction was made in this observation43062
1770-04-26T13:001.88-21.321729.3N40W101.00-8EBN, EBS, SEBE, SE, SEBE, SE, SSTEADY BREEZESFINESOUTHERLY SWELL0000000a trivial correction was made in this observation43063
1770-04-27T13:003.33-22.2014915.4N38W86.00-9SEBS, SSEA MODERATE GALEFINE0000000a trivial correction was made in this observation43064
1770-04-28T14:004.22-22.631622.6N29W54.00-7SBEFAINT BREEZESSULTRY0000000a trivial correction was made in this observation43065
1770-04-29T14:004.28-22.681730.0N28W7.00-7SCALM MOSTLYNORTHERLY SWELL0000000a trivial correction was made in this observation43066
1770-04-30T14:004.88-23.47362N48W76.00-7NBE, N, NBE, NEBE, VARIABLEFIRST PART VARIABLE, THE RESIDUE THE WIND TO THE NE QUARTER, I WISH IT MAY BE THE TRADE0000000a trivial correction was made in this observation43067
1770-05-01T14:006.57-24.90499.3N35W135.00-7NEBN, NE, NEBE, NE, NEBEA FINE TRADEHAZY0000000a trivial correction was made in this observation43068
1770-05-02T14:008.20-26.03379.3N35W118.00-8NEBE, NE, NEBN, ENE, NE, NEFINE TRADESEA SMOOTHHAZY AND CLOUDY0000000a trivial correction was made in this observation43069
1770-05-03T14:009.88-27.32489.3N35W131.00-8NEBN, NE, NEBN, NEBEFINE TRADEHAZY AND CLOUDY0000000a trivial correction was made in this observation43070
1770-05-04T14:0011.80-28.405112.3N29W130.00-5NE, NEBE, NE, NEBE, ENE, NEBEA FRESH TRADEHAZY0000000a trivial correction was made in this observation43071
1770-05-05T14:0013.80-29.985012.3NW3/4N156.00-6NEBEA FRESH TRADEHAZY FOR THE MOST PART0000000a trivial correction was made in this observation43072
1770-05-06T14:0015.85-31.45629.3N35W148.00-6ENEPLEASANT TRADING GALESFINE0000000a trivial correction was made in this observation43073
1770-05-07T14:0017.92-32.28719.3N22W128.00-8ENE, NEBE, EBNFINE TRADEFAIR AND CLEAR WEATHER0000000a trivial correction was made in this observation43074
1770-05-08T14:0019.75-32.42939.3N44W106.00-8EBN, E, EBSFAVOURABLE TRADEFAIR0000000a trivial correction was made in this observation43075
1770-05-09T14:0020.68-32.471722.6N3/4W44.00-8SEBE, SEBS, SSE, SLIGHT BREEZES AND CALMSFINE0000000a trivial correction was made in this observation43076
1770-05-10T14:0021.33-32.331272.6N2W42.00-8S, SW, NEBE, ENE, E, SEFAINT BREEZESFAIR0000000a trivial correction was made in this observation43077
1770-05-11T14:0021.97-32.601292.6N1/2W46.00-6SEBS, ENE, E, EBN, E, SEFAINT BREEZESFAIR0000000a trivial correction was made in this observation43078
1770-05-12T14:0022.63-33.07381.2N30W51.00-7ESE, EBN, NEBE, NEBN, NEFIRST PART LIGHT AIRS AND CALMS, LATTER PART INCREASINGFIRST PART FAIR0000000a trivial correction was made in this observation43079
1770-05-13T14:0024.47-34.1583N27W130.00-7NE, NEBE, NE, NEBE, ENE, NEBE, ETHE WIND VARIABLEHAZY0000000a trivial correction was made in this observation43080
1770-05-14T14:0025.70-35.453536.7N40W108.00-7ENE, NE, NNE, NEBN, NE, NEBN, NMODERATE, THE TRADE VERY FAR NORTHERLYFAIR0000000a trivial correction was made in this observation43081
1770-05-15T14:0026.73-37.0538N49W114.00-7NNE, NNE, NBE, NNE, NEBN, NESMOOTH SEAFAIR AND CLEAR WEATHER0000000a trivial correction was made in this observation43082
1770-05-16T15:0027.43-37.83518.7N38W69.00-5NNE, NEBN, NE, NEBESFIRST PART A FINE BREEZE, THE RESIDUE DECREASING0000000a trivial correction was made in this observation43083
1770-05-17T15:0027.75-37.683531.0NBE1/2E33.00-7NWBN, N, NBE, NLIGHT AIRS AND CALMS0000000a trivial correction was made in this observation43084
1770-05-18T15:0028.42-37.58832.0N8E42.00-7EBN, ENE, E, ESE, EBN, EVERY FAINT BREEZES AND CALMS0000000a trivial correction was made in this observation43085
1770-05-19T15:0028.62-37.783532.0N38W17.00-7NEBE, NE, NBE, NNE, NBE, NVERY FAINT BREEZES AND CALMS0000000a trivial correction was made in this observation43086
1770-05-20T14:0028.75-37.373401.0N66E25.00-9N, NBW, N, NBE, NBWFAINT AIRSSERENE0000000a trivial correction was made in this observation43087
1770-05-21T14:0029.10-36.62329NEBE1/2E58.00-9NNW, N, NBW, NNW, NBW, NNWVARIABLE AND LIGHT WINDSFAIRNORTHERLY SWELL0000000a trivial correction was made in this observation43088
1770-05-22T14:0029.27-36.32360.6NBE1/4E26.00-9NNW, NNE, NBE, NNE, ENE, NEVERY LIGHT AIRS OF WIND AND CALMS0000000a trivial correction was made in this observation43089
1770-05-23T14:0029.65-36.30700.0N3E25.00-9EBN, ENE, NEBE, EBN, E, EBNCALMS AND FAINT BREEZES0000000a trivial correction was made in this observation43090
1770-05-24T14:0030.27-36.151261.0NBE1/4E33.00-9SEBE, SEBS, ESE, SELIGHT AIRS IN THE SE QUARTERFAIR0000000a trivial correction was made in this observation43091
1770-05-25T14:0031.20-36.231262.0N4E58.00-9SEBE, EBS, EBN, EBS, SEVERY LIGHT BREEZESSMOOTH SEA0000000a trivial correction was made in this observation43092
1770-05-26T14:0032.13-35.971712.0N5E51.00-9SEBE, ESE, SVERY LIGHT BREEZES0000000a trivial correction was made in this observation43093
1770-05-27T14:0033.25-35.432027.3NNE72.00-12SSE, SBW, SSW, SWBSAN INCREASING BREEZESFAIR0000000a trivial correction was made in this observation43094
1770-05-28T14:0035.08-34.5222410.0N27E118.00-12SWBS, SW, SWBWA FINE GALE INCREASINGHAZY0000000a trivial correction was made in this observation43095
1770-05-29T14:0036.40-33.8356N17E86.00-12WSW, NBE, NEBN, NE, NEBN, ENEFIRS PART OF THIS LOGG A FRESH GALE, MIDDLE AND LATTER PARTS CHANGEABLEFIRST PART A FOLLOWING SEA0000000a trivial correction was made in this observation43096
1770-05-30T14:0036.67-33.80221.0N14W36.00-12ENE, E, EBN, ESE, NNE, NEBNLIGHT AIRS AND CALMS0000000a trivial correction was made in this observation43097
1770-05-31T14:0037.92-33.051219.3N25E84.00-14EBN, E, EBS, ESE, SEBE, SEFIRST AND MIDDLE PARTS VARIABLE AND LIGHT WINDS, THE REMAINDER FRESHING UP TO A FINE GALETHICK0000000a trivial correction was made in this observation43098
1770-06-01T14:0039.40-32.23278N20E104.00-15SWBW, WSW, WNW, WSW, WNWVARIABLE WINDS, SQUALLSTHICKRAINLATTER PART A FOLLOWING SEA0100000a trivial correction was made in this observation43099
1770-06-02T14:0040.90-30.1823316.3N40E140.00-15SWBW, SWBS, SWBW, WSWAN INCREASING GALEFOLLOWING SEA0000000a trivial correction was made in this observation43100
1770-06-03T14:0042.50-27.0029822.6N52E183.00-17WSW, WBN, NWBW, NWSTRONG GALESHEAVY THICKVERY LARGE SEA FROM THE WESTWARD0000000a trivial correction was made in this observation43101
1770-06-04T14:0043.50-25.133412.6NE1/2E105.00-19NWBW, NW, NNW, NFIRST PART STRONG WINDS, THE REMAINDER THE GALE BREAKING UP AND FALLING LITTLE WINDSFIRST PART A LARGE SEA, THE REMAINDER A LARGE HEAD SWELLFIRST PART HAZY0000000a trivial correction was made in this observation43102
1770-06-05T14:0044.68-23.072069.3NE3/4E120.00-19SBE, SSW, SWFIRST PART CALM, AT 6 THE WIND GRADUALLY INCREASING TO AFINE GALE, SOME SQUALLSAT 6 RAINFIRST PART CLOUDY0100000a trivial correction was made in this observation43103
1770-06-06T13:0046.12-19.60239N59E168.00-20SSW, SWBW, WSW, WBSFRESH AND STEADY GALESFOLLOWING SEA0000000a trivial correction was made in this observation43104