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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 Admiral Pocock cruise from Mohilla Island to Bombay started at 1762-09-27 [dataset]. British Library, London, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.747217, 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: 11.384459 * Median Longitude: 59.420811 * South-bound Latitude: -11.500000 * West-bound Longitude: 42.680000 * North-bound Latitude: 20.750000 * East-bound Longitude: 72.060000
Date/Time Start: 1762-09-27T09:00:00 * Date/Time End: 1762-12-09T07:00:00
Event(s):
Admiral_Pocock_17620927_BL_L/MAR/B/498B * Latitude Start: -31.920000 * Longitude Start: 32.530000 * Latitude End: 19.280000 * Longitude End: 72.000000 * Date/Time Start: 1762-09-27T00:00:00 * Date/Time End: 1762-12-09T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Admiral Pocock, Voyage: Cape Agullas - Mohilla Island, 1st Observer: Thomas Ridell (Captain), Company: EIC, Other ship information: 666BM
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
Distance to landmarkDistancearbitrary unitsDistance to the first landmark
CourseCourseCourse of the ship during the past 24 hours
10 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
11 CommentCommentOther remarks, that were not possible to put in the other remark fields
12 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.
13 Compass, established errorCompass established e
14 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.
15 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
16 Current speed descriptionV descr
17 Wind force descriptionWind force descrAll reported wind forces on this day
18 Present weatherwwWeather description
19 Precipitation descriptionPrecip descr
20 State of the sea descriptionState sea descr
21 ClearnessClearness
22 GustsGusts1 If wind gusts are reported
23 Precipitation/RainRain1 If rain was reported
24 FogFog1 If fog was reported
25 Snow typeSnow1 If snow was reported
26 ThunderThunder1 If thunder and or lightning was reported
27 HailHail1 If hail was reported
28 Sea iceSea ice1 If sea-ice or icebergs were reported
29 IdentificationIDCLIWOC 2.1 line number
Size:
1269 data points

Data

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


Date/Time

Latitude

Longitude

dd [deg]
(Wind direction (from which th...)

ff [m/s]
(calculated from the descripti...)

Landmark
(Name of first landmark)

Bearing
(Bearing of the first landmark)

Distance [arbitrary units]
(Distance to the first landmark)

Course
(Course of the ship during the...)
10 
Distance [arbitrary units]
(Distance travelled during the...)
11 
Comment
(Other remarks, that were not ...)
12 
Decl [deg]
(It is generally accepted by t...)
13 
Compass established e
14 
Wind dir descr
(All reported wind directions ...)
15 
Cur dir descr
(Direction of the current. Thi...)
16 
V descr
17 
Wind force descr
(All reported wind forces on t...)
18 
ww
(Weather description)
19 
Precip descr
20 
State sea descr
21 
Clearness
22 
Gusts
(1 If wind gusts are reported)
23 
Rain
(1 If rain was reported)
24 
Fog
(1 If fog was reported)
25 
Snow
(1 If snow was reported)
26 
Thunder
(1 If thunder and or lightning...)
27 
Hail
(1 If hail was reported)
28 
Sea ice
(1 If sea-ice or icebergs were...)
29 
ID
(CLIWOC 2.1 line number)
1762-09-27T09:00-11.5045.32511.0N39W86.00-17NE, NEBN, NE, ENEENESTRONGLIGHT AIRSLARGE E SWELL00000002980
1762-09-28T09:00-10.5245.65627.3N18W70.00-17ENE, EBNPLEASANT BREEZES INCREASINGSMOOTH WATER00000002981
1762-09-29T09:00-9.0045.68842.9N9W89.00-17E, EBSLIGHT BREEZES INCREASING00000002982
1762-09-30T09:00-7.4345.55979.3E86N112.00-16EBS, ESEFRESH BREEZESA SWELL FROM THE SEPLEASANT00000002983
1762-10-01T09:00-5.9044.721196.7N5E98.00-16SEBE, SEPLEASANT BREEZESFAIR00000002984
1762-10-02T09:00-4.6542.681192.6N80.00-16SELIGHT BREEZESSOME RAINCLOUDY01000002985
1762-10-03T09:00-3.3343.181426.7N23E79.00-16SSEPLEASANT BREEZESFAIRA SWELL FROM SE00000002986
1762-10-04T09:00-2.3743.101326.7N49E91.00-14SE, SEBSPLEASANT BREEZESFAIRSMOOTH WATER00000002987
1762-10-05T09:00-0.9345.201216.7NE3/4E90.00-14SSE, SEPLEASANT BREEZESPLEASANT00000002988
1762-10-06T09:000.6746.201446.7N39E96.00-14SE, SSEPLEASANT BREEZESPLEASANT00000002989
1762-10-07T09:001.9247.431446.7N53E93.00-14SSEPLEASANT BREEZESFAIR00000002990
1762-10-08T09:003.0348.571476.7BOMBAYNE3/4E557N50E104.00-11SSEPLEASANT BREEZESFAIR00000002991
1762-10-09T09:004.1049.97147BOMBAYNEBE530NE3/4E104.00-11SSEPLEASANTLATTER CLOUDY00000002992
1762-10-10T09:005.2051.271922.6BOMBAYNE3/4E470NEBE94.00-11CSSWLIGHT BREEZESSMOOTH WATER00000002993
1762-10-11T09:006.3852.382142.6BOMBAYNEBE438NEBE80.00-11SWLIGHT BREEZESCLOSE00000002994
1762-10-12T08:007.6753.421500.6BOMBAYNEBE413NEBE73.00-8SWBS, SSEFIRST AND LATTER LIGHT AIRS INCLINABLE TO CALM, MID FRESH BREZES00000002995
1762-10-13T08:008.0054.431501.0BOMBAYNEBE386NEBE73.00-8SSELIGHT AIRSSTRONG RIPPLINGCLOUDY00000002996
1762-10-14T08:008.4355.081831.0BOMBAYNE1/4E410NEBE47.00-8SBWLIGHT AIRS INCLINABLE TO CALMSTRONG RIPPLING, VERY CONFUSED HOLLOW SWELL FROM S00000002997
1762-10-15T08:006.8855.03141.0BOMBAYNE1/2E400NNW6.00-9NNESWELL IMPUTE TOLIGHT AIRS AND CALMSWELL FROM THE S00000002998
1762-10-16T08:004.6055.0321.0BOMBAYNEBE420N8.00-9NNE, NBELIGHT AIRS AND CALM00000002999
1762-10-17T08:004.8855.533407.3BOMBAYNEBE410ENE30.00-9NNW, NBW, N, NBWLIGHT AIRS AND CALM, LATTER AN INCREASING BREEZE00000003000
1762-10-18T08:005.4356.132BOMBAYNEBE404N63E41.00-9NNW, NBE,VERY UNSETTLEDVERY UNSETTLED00000003001
1762-10-19T08:005.8555.9814BOMBAYNEBE400N29W18.00-9NBE, NNE, NEBN, NNW, NWBN, NNELIGHT SQUALLSPLEASANTLIGHT RAIN01000003002
1762-10-20T08:005.9555.77284BOMBAYNEBE400NW23.00-9NE, NEBN, E, WNWSET WNW1.5 KNOTSUNSETTLEDGREAT DEAL OF RAIN01000003003
1762-10-21T08:008.1755.2226BOMBAYNEBE1/2E400NW46.00-8NNE, NEBE, NEBNUNSETTLEDMUCH LIGHTNING IN THE NIGHTUNSETTLED00001003004
1762-10-22T08:008.4054.73372.6BOMBAYNEBE1/2E410N37W48.00-8NEBN, NESET WLIGHT BREEZESVERY UNSETTLED00000003005
1762-10-23T08:008.5854.37307BOMBAYNEBE1/2E396NW30.00-8N, NE, ENE, NE, NWUNSETTLED INTERMIXED WITH SQUALLSLIGHTNINGRAIN01001003006
1762-10-24T08:008.7354.203181.0BOMBAYNEBE390NNW20.00-8NW, NBW, NW, NWBNLIGHT BREEZES INCLINABLE TO CALM00000003007
1762-10-25T08:009.3554.732859.3BOMBAYNEBE390NE1/2N50.00-8NWBN, NBE, N, W, WNWFIRST AND MID VARIABLE, LATTER MORE SETTLE WITH A FINE BREEZE00000003008
1762-10-26T08:009.7355.233624.6BOMBAYNEBE1/2E386NE49.00-8WNW, NBW, N, CALM, VARIABLEGENTLE BREEZESCLOUDY00000003009
1762-10-27T08:0010.1055.703302.6BOMBAYNEBE380NE30.00-8NW, NNW, NBW, NBE, NNWLIGHT BREEZESPLEASANTHOLLOW SWELL FROM S00000003010
1762-10-28T08:0010.3756.303074.6BOMBAYNEBE300ENE39.00-8NWBN, N, NBE, NNE, NWGENTLE BREEZESFAIR00000003011
1762-10-29T08:0011.1857.133186.7BOMBAYNEBE3/4E290NEBE3/4E61.00-8NW, NNW, NWBNMODERATE BREEZESFAIR00000003012
1762-10-30T08:0011.6757.973206.7BOMBAYNEBE1/2ENEBE1/2E62.00-6NW, NBW, NNW, NWBNPLEASANT BREEZESHAZY00000003013
1762-10-31T08:0012.1258.2732022.6NE108.00-6NWBNSTIFF GALESHIGH HOLLOW SWELL FROM NECLOUDY HAZY00000003014
1762-11-01T08:0013.3360.103209.3NEBN87.00-6NW, NWBNFRESH BREEZES AND FREQUENT SQUALLSNE SWELL00000003015
1762-11-02T08:0014.4760.83287NEBN74.00-6WBN, WNWVARIABLEUNSETTLEDNE SWELL00000003016
1762-11-03T08:0015.3361.45956.7N35E61.00-6SWBS, SE, ESE, EBEMODERATE BREEZESSOME RAINNE SWELL01000003017
1762-11-04T08:0016.6360.9539N37E48.00-6ENE, EBS, NEBE, NEFAIR00000003018
1762-11-05T08:0017.2060.1252.6NW43.00-6NNE, NE, NEBN, ENE, NBELIGHT BREEZESSMOOTH WATER00000003019
1762-11-06T08:0017.1260.002421.0NE20.00-6N, NBE, NEBN, WSWLIGHT AIRSFAIR00000003020
1762-11-07T08:0017.3360.171854.6N41E48.00-6WBS, SBWGENTLE BREEZESSMOOTH WATER00000003021
1762-11-08T08:0018.3361.422196.7NEBE111.00-6SBW, SWPLEASANT BREEZESMOOTH WATER00000003022
1762-11-09T08:0018.9563.7932219.0N58E120.00-4SW, NWBNPLEASANT BREEZES, THEN FRESH GALESHAZY00000003023
1762-11-10T08:0019.3364.622892.6N75E68.00-4NWBN, WBN, WBS, W, WNWLIGHT BREEZESSMOOTH WATERPLEASANT00000003024
1762-11-11T08:0019.0065.243111.0S80E56.00-4WNW, NBE, NE, NEBN, NWLIGHT AIRS AND VARIABLECLOUDY00000003025
1762-11-12T08:0018.6065.85301.0S71E59.00-4NNE, NEBE, NEBN, NE, NEBNLIGHT AIRSSMOOTH WATERPLEASANT00000003026
1762-11-13T08:0018.8565.67641.0N28E22.00-4NEBN, NE, NEBE, NEBN, ENELIGHT AIRSSMOOTH WATERCLOUDY00000003027
1762-11-14T08:0020.1365.24529.3N6W84.00-4EBS, EBN, ENE, NEBEFRESH BREEZESSMOOTH WATERHAZY00000003028
1762-11-15T08:0020.7564.91199.3N2E56.00-4NEBE, ENE, EBN, NE, NEBN, NNEFRESH BREEZESSMOOTH WATER00000003029
1762-11-16T08:0020.4265.82199.3N79E77.00-4NEBN, NBE, NNEFRESH BREEZESSMOOTH WATERFAIR00000003030
1762-11-17T08:0020.0866.423561.0S62E57.00-4NNE, NNE, NLIGHT AIRSSMOOTH WATER WITH GREAT QUANTITY OF BUBBLES IN THE WATER00000003031
1762-11-18T08:0019.9766.77301.0S84E42.00-4N, NNE, NEBNN12 MILESLIGHT AIRSVERY SMOOTH WATER00000003032
1762-11-19T08:0019.3067.29411.0SEBE3/4E58.00-4NNE, NEBN, NEBE, NNE, NELIGHT AIRSVARIABLEVERY SMOOTH WATER00000003033
1762-11-20T07:0018.5367.86212.6S58E63.00-2NE, NEBN, ENE, NEBE, NNELIGHT BREEZESSMOOTH WATER00000003034
1762-11-21T07:0017.9067.59546.7S61E72.00-2NNE, NEBN, NE, NEBESET TO S34 MILESPLEASANT BREEZESSMOOTH WATER00000003035
1762-11-22T07:0017.4067.9854S63E50.00-2NE, NEBN, NNE, NE, NEBESMOOTH WATERPLEASANT00000003036
1762-11-23T07:0017.0068.23546.7S63E40.00-2NEBE, ENE, NEBEPLEASANT BREEZES00000003037
1762-11-24T07:0017.2268.39326.7N76E31.00-2NE, ENE, E, EBN, NE, NEBNPLEASANT BREEZESSMOOTH WATER00000003038
1762-11-25T07:0017.4868.09322.6N27E9.00-2NE, NEBE, NEBNLIGHT BREEZESFAIR00000003039
1762-11-26T07:0017.7567.68219.3N13W33.00-2NE, ENE, NE, NEBN, NNEFRESH BREEZESFAIR00000003040
1762-11-27T08:0018.1266.8176.7N44W49.00-4NEBN, NE, NNE, NBEMODERATE BREEZESFAIR00000003041
1762-11-28T08:0018.0866.81419.3S85E22.00-4NNE, NE, NEBE, NEBN, NEFRESH BREEZESSMOOTH WATERFAIR00000003042
1762-11-29T08:0018.7567.1379.3N38W62.00-4NEBN, NE, ENE, NNE, NBEFIRST AND LATTER FRESH BREEZESSMOOTH WATER00000003043
1762-11-30T07:0019.3367.88219.3N49W75.00-2NEBN, NNEFRESH BREEZESFAIR00000003044
1762-12-01T07:0019.0869.155419.0S82E92.00-2NBE, NNE, NBE, NEBEFRESH GALESSHORT HOLLOW SWELL FROM N00000003045
1762-12-02T07:0018.7569.913219.0S73E89.00-2NNE, NEBN, NBE, NNE, NEBNFRESH GALESHOLLOW N SWELL00000003046
1762-12-03T07:0018.3371.105419.0S70E92.00-2NEBN, NNE, NBE, NEBN, NE, NEBEFRESH GALESCONFUSED SWELL, WATER MUCH DISCOLOURED00000003047
1762-12-04T07:0017.9772.06219.3S74E75.00-2NEBN, NNE, NBE, NNEFRESH BREEZESSHORT SWELL FROM THE N00000003048
1762-12-05T07:0018.1071.03542.6N57W36.00-2ENE, NEBE, NNE, NEBN, NE, NEBELIGHT BREEZESSHORT HOLLOW GROUND SWELL00000003049
1762-12-06T07:0018.9070.93662.6N35W66.00-2EBN, ENE, NEBE, NE, NEBE, ENELIGHT BREEZESSHORT HOLLOW SWELL00000003050
1762-12-07T07:0018.6571.33662.6S84E44.00-2ENE, NEBN, NE, NEBN, NNE, ENELIGHT BREEZESSMOOTH WATER00000003051
1762-12-08T07:0018.9571.37889.3N51E29.00-2E, EBS, NEBE, NNE, ENE, EFRESH BREEZESVARIABLESMOOTH WATER00000003052
1762-12-09T07:0019.2872.00662.6LAND15N70E58.00ARRIVAL 11 DECEMBER-2E, NBE, NNE, NEBE, EBN, ENELIGHT BREEZESSMOOTH WATER00000003053