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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 General Elliot cruise from Downs to Bombay started at 1789-03-24 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.749396, 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: -5.915660 * Median Longitude: 47.346415 * South-bound Latitude: -36.720000 * West-bound Longitude: 20.430000 * North-bound Latitude: 18.930000 * East-bound Longitude: 72.330000
Date/Time Start: 1789-03-24T11:00:00 * Date/Time End: 1789-05-15T07:00:00
Event(s):
General_Elliot_17890324_NMM_MLN/2 * Latitude Start: 47.720000 * Longitude Start: -5.280000 * Latitude End: 18.500000 * Longitude End: 72.820000 * Date/Time Start: 1789-03-24T00:00:00 * Date/Time End: 1789-05-15T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: General Elliot, Voyage: Downs - Bombay, 1st Observer: Robert Drummond (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
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 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.
12 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.
13 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
14 Wind force descriptionWind force descrAll reported wind forces on this day
15 Precipitation descriptionPrecip descr
16 State of the sea descriptionState sea descr
17 ClearnessClearness
18 GustsGusts1 If wind gusts are reported
19 Precipitation/RainRain1 If rain was reported
20 FogFog1 If fog was reported
21 Snow typeSnow1 If snow was reported
22 ThunderThunder1 If thunder and or lightning was reported
23 HailHail1 If hail was reported
24 Sea iceSea ice1 If sea-ice or icebergs were reported
25 IdentificationIDCLIWOC 2.1 line number
Size:
857 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 
Decl [deg]
(It is generally accepted by t...)
12 
Wind dir descr
(All reported wind directions ...)
13 
Cur dir descr
(Direction of the current. Thi...)
14 
Wind force descr
(All reported wind forces on t...)
15 
Precip descr
16 
State sea descr
17 
Clearness
18 
Gusts
(1 If wind gusts are reported)
19 
Rain
(1 If rain was reported)
20 
Fog
(1 If fog was reported)
21 
Snow
(1 If snow was reported)
22 
Thunder
(1 If thunder and or lightning...)
23 
Hail
(1 If hail was reported)
24 
Sea ice
(1 If sea-ice or icebergs were...)
25 
ID
(CLIWOC 2.1 line number)
1789-03-24T11:00-35.8020.43280S44E137.00-24NWBWSQUALLY0000000100064
1789-03-25T10:00-36.7223.101999.3S69E137.00-26WNW, SWFRESH BREEZESCLOUDY0000000100065
1789-03-26T10:00-36.7025.6726719.0N87E124.00-26WSW, WNWFIRST LIGHT BREEZES, LATTER FRESH GALESCLOUDY0000000100066
1789-03-27T10:00-36.3230.28254S89E222.00-27WBNSTRONG GALES, HEAVY SQUALLSFOLLOWING SEA0000000100067
1789-03-28T10:00-36.3734.271979.3S89E193.00-28SWFRESH BREEZESCLOUDY0000000100068
1789-03-29T09:00-35.0337.8816319.0N76E184.00-28WSW, SBWFRESH GALES, FREQUENT SQUALLSRAIN0100100100069
1789-03-30T09:00-32.6739.6710719.0N28E191.00-28S, SEFRESH GALESCLOUDY0000000100070
1789-03-31T09:00-29.8339.939.3N9E169.00-27FRESH BREEZESFAIR0000000100071
1789-04-01T09:00-27.2239.903629.3N6W137.00-25VARIABLEFRESH BREEZESCLOUDY0000000100072
1789-04-02T09:00-26.1540.203621.0N16E59.00-25E, VARIABLELIGHT AIRSSWELL FROM ECLEAR0000000100073
1789-04-03T09:00-24.9341.032452.6N40E54.00-25WLIGHT BREEZESFINE0000000100074
1789-04-04T09:00-23.1742.531469.3N54E94.00-23SBEFRESH BREEZESFINE0000000100075
1789-04-05T09:00-21.8042.601599.3N2E92.00-21SFRESH BREEZESFINE0000000100076
1789-04-06T09:00-20.2343.371591.0N4W66.00-21SLIGHT AIRSFINE AND CLEAR0000000100077
1789-04-07T09:00-18.9743.421591.0N1E64.00-21SLIGHT AIRSFINE AND CLEAR0000000100078
1789-04-08T09:00-17.6042.102022.6N2E95.00-23SWLIGHT BREEZESFINE0000000100079
1789-04-09T09:00-16.5042.37160N14E62.00-20SLIGHT BREEZES, LIGHT SQUALLSSOMETIMES RAIN0100000100080
1789-04-10T09:00-16.1842.52270.0N25E20.00-18ESE, NECALMRAINSWELL FROM SW0100000100081
1789-04-11T09:00-15.6542.80830.0N37E21.00-18EBSTO SECALMSMALLCLOUDY0000000100082
1789-04-12T09:00-14.6243.070.0N35E26.00-18CALMCLOUDY0000000100083
1789-04-13T09:00-12.8743.67106N21E97.00-18VARIABLE, SEBESQUALLYRAIN0100100100084
1789-04-14T09:00-11.7343.87142JOHANNANNE7N51E68.00-16SSESQUALLYRAIN0100000100085
1789-04-15T09:00-9.6842.472972.6N8W13.00-18NWLIGHT BREEZESFINE0000000100086
1789-04-16T09:00-7.3342.27852.6N6W12.00-16EBSLIGHT BREEZESCLOUDY0000000100087
1789-04-17T09:00-4.8342.35972.6ESE13.00-16ESELIGHT BREEZESFINE0000000100088
1789-04-18T09:00-3.1043.571212.6SE45.00-14SELIGHT BREEZESPLEASANT0000000100089
1789-04-19T09:00-2.5344.851212.6N48E73.00-14SEBE, SELIGHT BREEZESFINE0000000100090
1789-04-20T09:00-1.9245.771221.0N54E67.00-13SELIGHT AIRSFINE0000000100091
1789-04-21T09:00-0.6746.651001.0N44E86.00-13SEBE, SE, ESELIGHT AIRSFINE0000000100092
1789-04-22T09:000.8247.431052.6N32E89.00-13ESE, EBS, SEBE1/2ELIGHT BREEZESFINE0000000100093
1789-04-23T09:001.6748.131132.6N44E62.00-11SEBELIGHT BREEZESFINE0000000100094
1789-04-24T09:002.3248.581021.0N35E47.00-11ESELIGHT AIRS SOMETIMES CALMFINE AND CLEAR0000000100095
1789-04-25T09:003.2849.331932.6N45E64.00-10SE, S, SSWLIGHT BREEZEFINE0000000100096
1789-04-26T09:004.3250.382152.6N50E84.00-10SWLIGHT BREEZEFINE0000000100097
1789-04-27T09:005.7051.321252.6N43E84.00-10SSW, SELIGHT BREEZEFINE0000000100098
1789-04-28T09:007.1551.421032.6N33E80.00-10E, ESELIGHT BREEZEFINE0000000100099
1789-04-29T09:008.8552.22922.6N31E105.00-9SEBE, EBSLIGHT BREEZEFINE0000000100100
1789-04-30T08:009.5252.831511.0N33E40.00-7S, E, SSELIGHT AIRS SOMETIMES CALMCLEAR0000000100101
1789-05-01T08:009.8853.031960.0N37E20.00-7S, SSWLIGHT AIRS MOSTLY CALMCLEAR0000000100102
1789-05-02T08:0010.4853.001961.0N26E29.00-7SWBS, S, SSWLIGHT AIRS SOMETIMES CALM0000000100103
1789-05-03T08:0011.5753.771512.6SOCATRANEBN18N37E63.00-7SW, SSELIGHT BREEZESCLEAR0000000100104
1789-05-04T08:0011.9053.772180.0DOLPHIN NOSEN11:30EN65E26.00-7SWCALMCLEAR0000000100105
1789-05-05T08:0012.4054.4341.0SOCATRAN7:30E9N73E32.00-7SW, NBELIGHT AIRS SOMETIMES CALMCLEAR0000000100106
1789-05-06T08:0013.0555.651732.6DOLPHIN NOSEN78W11N62E82.00-7SLIGHT BREEZESCLEAR0000000100107
1789-05-07T08:0013.6858.101752.6N62E73.00-5SSW, SWBS, SLIGHT BREEZESCLEAR0000000100108
1789-05-08T08:0014.3559.621982.6N63E33.00-5SW, SSWLIGHT BREEZESSWELL FROM SWCLEAR0000000100109
1789-05-09T08:0015.0560.052092.6N63E80.00-5SSW, SW, WSW, SWBSLIGHT BREEZESSWELL FROM WCLEAR0000000100110
1789-05-10T08:0015.8062.802222.6N57E98.00-3SWBS, SW, SWLIGHT BREEZESFINE AND CLEAR0000000100111
1789-05-11T08:0017.0063.682569.3N53E113.00-3SWBW, WBSFRESH BREEZESCLOUDY0000000100112
1789-05-12T08:0018.2765.752569.3N52E116.00-3SW, SWBW, WBSFRESH BREEZESCLOUDY0000000100113
1789-05-13T07:0018.7068.002579.3N73E136.00-2WSW, WBSFRESH BREEZESCLOUDY0000000100114
1789-05-14T07:0018.9371.132469.3N85E129.00-2SWBW, WSWFRESH BREEZESCLOUDY0000000100115
1789-05-15T07:0018.9072.332012.6S89E68.00-2WSW, SBE, SSWLIGHT BREEZESCLEAR0000000100116