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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 RAISONABLE cruise from Table Bay to Table Bay started at 1798-10-29 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751679, 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: -30.949342 * Median Longitude: 51.491579 * South-bound Latitude: -40.780000 * West-bound Longitude: 12.480000 * North-bound Latitude: -16.630000 * East-bound Longitude: 88.130000
Date/Time Start: 1798-10-29T11:00:00 * Date/Time End: 1799-02-02T10:00:00
Event(s):
Raisonable_17981029_NMM_ADM/L/R28 * Latitude Start: -34.430000 * Longitude Start: 16.950000 * Latitude End: -34.430000 * Longitude End: 16.950000 * Date/Time Start: 1798-10-29T00:00:00 * Date/Time End: 1799-02-02T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Raisonable (3rd Rate Frigate), Voyage: Table Bay Towards Madagascar - Table Bay, 1st Observer: Charles Boyles (Captain), Company: Royal Navy, Other ship information: 64G 1376BM
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 Wind force descriptionWind force descrAll reported wind forces on this day
14 Present weatherwwWeather description
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 CommentComment
26 IdentificationIDCLIWOC 2.1 line number
Size:
1445 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 
Wind force descr
(All reported wind forces on t...)
14 
ww
(Weather description)
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 
Comment
26 
ID
(CLIWOC 2.1 line number)
1798-10-29T11:00-35.2816.401566.7LIONS RUMPN50E41S50W123.00-24SSE, SEBE, SMODERATE BREEZESCLEAR0000000206921
1798-10-30T11:00-36.7015.181346.7CAPE OF GOOD HOPEN51E71S29W100.00-24SEBE, SE, SSEMODERATE BREEZESCLEAR0000000206922
1798-10-31T11:00-37.6714.181232.6CAPE OF GOOD HOPEN48E96S37W79.00-23SE, SEBE, SEBSLIGHT BREEZESCLEAR0000000206923
1798-11-01T11:00-37.9513.601466.7CAPE OF GOOD HOPEN47E102S58W34.00-23SEBS, SE, SBEMODERATE BREEZES, AM MODERATECLEAR, AM CLOUDY0000000206924
1798-11-02T11:00-39.1712.9513512.3CAPE OF GOOD HOPEN41E127S22W119.00-23SEBS, SSEMODERATE BREEZES, AM STRONG BREEZESCLOUDY0000000206925
1798-11-03T11:00-39.6312.481376.7CAPE OF GOOD HOPEN45E145S39W35.00-21SW, SWBW, SSEMODERATE BREEZES, AT NOON MODERATECLOUDY, AT NOON CLOUDY0000000206926
1798-11-04T11:00-40.1314.422029.3CAPE OF GOOD HOPEN42E107S80E90.00-23SWBS, SBW, SWMODERATE BREEZES, AM FRESH BREEZECLEAR0000000206927
1798-11-05T11:00-38.8815.621686.7CAPE OF GOOD HOPEN27E99N45E80.00-23S, SBE, SBWMODERATE BREEZESCLEAR0000000206928
1798-11-06T11:00-38.9817.623129.3CAPE OF GOOD HOPEN7E91S80E95.00-26N, NWBW, NNWCALM, AM FRESH BREEZESAM RAINHAZY0100000206929
1798-11-07T11:00-38.7719.981881.0CAPE AGULLASN2E81N83E111.00-26SW, S, SWBSSTRONG BREEZES, AT 4 MORE MODERATE, AT NOON LIGHT AIRSCLOUDY0000000206930
1798-11-08T11:00-37.7221.5328912.3ST PAULSN89E885E73.00-26WSW, NWCALM, AM STRONG BREEZESCLOUDY0000000206931
1798-11-09T10:00-37.9224.722436.7ST PAULSN87E844S85E148.00-27WBS, WMODERATE BREEZESCLOUDY0000000206932
1798-11-10T10:00-37.4225.972206.7ST PAULSN89E824N71E62.00-28SW, WSWMODERATE BREEZESCLEAR0000000206933
1798-11-11T10:00-38.0726.003621.0CAPE AGULLASN52W112S4E30.00-27EBS, ESE, VARIABLELIGHT AIRS INCLINABLE TO CALM0000000206934
1798-11-12T10:00-38.6325.881086.7ST PAULSN88E832S5W62.00-27ESE, EBS, SEMODERATE BREEZESCLEAR0000000206935
1798-11-13T10:00-39.4726.53526.7ST PAULSN87E824S65E42.00-27ENE, NEBN, EBNMODERATE BREEZES, AM STRONG BREEZES, AT 11 A VERY HEAVY SQUALL, AT NOON MORE MODERATEAT 11 RAINCLEAR0100000206936
1798-11-14T10:00-40.0729.27166.7ST PAULSN87E772S73E124.00-29NEBN, N, NEFRESH BREEZES, AT NOON MODERATE BREEZESCLOUDY0000000206937
1798-11-15T10:00-39.9830.983096.7ST PAULSN87E723S85E79.00-29WSW, NE, NNWMODERATE BREEZESCLEAR0000000206938
1798-11-16T10:00-40.4833.17156.7ST PAULSN86E691S76E103.00-30NEBN, NEMODERATE BREEZESCLEAR0010100206939
1798-11-17T10:00-40.7535.27156.7ST PAULSN84E657S81E96.00-30NW, W, NEMODERATE BREEZES, AT 8 MODERATECLOUDY, AT 8 CLEAR0000000206940
1798-11-18T09:00-40.5737.6224012.3ST PAULSN84E622N84E106.00-30WSW, WBN, WMODERATE BREEZES, AT 8 STRONG BREEZESCLEAR0000000206941
1798-11-19T09:00-40.6238.972639.3ST PAULSN84E573S85E56.00-30W, WBN, WNWFRESH BREEZESCLEAR0000000206942
1798-11-20T09:00-40.6241.572852.6ST PAULSN83E532E122.00-30NNE, NEBN, NWLIGHT BREEZESCLEAR0000000206943
1798-11-21T09:00-40.7244.3035322.6ST PAULSN83E499S87E124.00-30NW, NWBW, NNESTRONG GALES AND SQUALLYRAIN0100000206944
1798-11-22T09:00-40.5746.922749.3ST PAULSN82E446N87E118.00-30SW, WBS, NWBWMODERATE BREEZES, AM FRESH BREEZESRAINCLOUDY0100000206945
1798-11-23T09:00-40.5750.302866.7ST PAULSN82E396E153.00-29NNW, WNW, NWSTRONG BREEZES AND SQUALLY, AT NOON MODERATE BREEZESAT NOON HAZY0000000206946
1798-11-24T08:00-40.7852.8827612.3ST PAULSN78E329S87E117.00-28NW, NWBN, NWBWSTRONG BREEZESCLOUDY0000000206947
1798-11-25T08:00-40.6556.5326522.6ST PAULSN75E274N87E165.00-28NW, NNW, WNWSTRONG GALES AND SQUALLY, AT 1/211 A HEAVY SQUALLVERY THICK WEATHERAT 1/2 11 RAIN0100000206948
1798-11-26T08:00-40.6359.2326627.4ST PAULSN74E229N89E129.00-27N, NNW, WNWTREMENDOUS HARD GALES AND SQUALLY0000000206949
1798-11-27T08:00-40.1761.8033322.6ST PAULSN73E191N80E120.00-27NW, NNW, NSTRONG GALES AND HARD SQUALLS, AT NOON STRONG GALES0000000206950
1798-11-28T08:00-39.2264.873249.3ST PAULSN76E138N67E150.00-25NNW, NW, NBWSTRONG GALES, AM STRONG BREEZES, AT NOON FRESH BREEZESCLEAR0000000206951
1798-11-29T07:00-37.9769.3631412.3ST PAULSN84E89N59E158.00-24NBW, WBN, NNWSTRONG BREEZESCLOUDY0000000a trivial correction was made in this observation206952
1798-11-30T07:00-37.5774.932719.3ST PAULSN88E46N81E128.00-22WBS, W, WNWFRESH GALES, AT NOON FRESH BREEZESHAZY, AT NOON CLEAR0000000a trivial correction was made in this observation206953
1798-12-01T07:00-36.9378.5726512.3ST PAULSS41W16N41E47.00-16WNW, NW, WBNMODERATE BREEZES, AM STRONG BREEZESCLEAR0000000206954
1798-12-02T07:00-35.3080.2728812.3COCO ISLANDN36E558N39E127.00-16W, WSW, NWBWSTRONG BREEZESCLOUDY0000000206955
1798-12-03T07:00-33.3281.9325419.0COCO ISLANDN34E510N35E145.00-16WSW, SW, WFRESH GALESCLOUDY0000000206956
1798-12-04T06:00-31.5383.482152.6COCO ISLANDN36E466N36E132.00-10SSE, SEBS, SWSTRONG BREEZES, AT NOON LIGHT BREEZESCLOUDY0000000206957
1798-12-05T06:00-30.7384.371256.7COCO ISLANDN36E446N45E60.00-10NW, SW, SELIGHT AIRS, AT NOON MODERATE BREEZES0000000206958
1798-12-06T06:00-29.9885.322602.6COCO ISLANDN35E424N45E70.00-10WNW, SW, WLIGHT BREEZESCLEAR0000000206959
1798-12-07T06:00-28.7785.882151.0COCO ISLANDN36E399N23E78.00-10W, SWLIGHT AIRSCLEAR0000000206960
1798-12-08T06:00-27.7786.282602.6COCO ISLANDN38E379N21E62.00-10SE, SW, WLIGHT BREEZESCLEAR0000000206961
1798-12-09T06:00-26.1786.901962.6COCO ISLANDN40E349N20E97.00-7EBS, SE, SSWLIGHT BREEZESCLEAR0000000206962
1798-12-10T06:00-24.0587.501186.7DIEGO RAISN79E452N14E130.00-6ESE, EBS, SEBEMODERATE BREEZESCLEAR0000000206963
1798-12-11T06:00-22.1388.13979.3DIEGO RAISN83W450N12E122.00-4VARIABLE, ESE, EBSFRESH BREEZESCLEAR0000000206964
1798-12-12T06:00-19.7887.0710919.0DIEGO RAISN88W448N5E124.00-4ESEFRESH BREEZES, AM FRESH GALESCLEAR0000000a trivial correction was made in this observation206965
1798-12-13T06:00-18.6585.7510912.3DIEGO RAISS87E408N68W160.00-4SSE, ESESTRONG BREEZES0000000206966
1798-12-14T07:00-17.2382.03122DIEGO RAISS81W349N67W202.00-2SEBESTRONG BREEZES, AT NOON SQUALLYCLEAR0000000206967
1798-12-15T07:00-16.6379.181332.6DIEGO RAISS71W297N76W169.00-2ESE, NE, SEFRESH GALES AND SQUALLY, AT NOON LIGHT BREEZESAT NOON CLEAR0000000206968
1798-12-16T07:00-17.6777.05622.6DIEGO RAISS81W246S65W135.00-6E, NEBE, ENEMODERATE BREEZES, AM SQUALLY, AT NOON LIGHT BREEZESCLEAR0000000206969
1798-12-17T07:00-18.4775.32622.6DIEGO RAISS83W208S67W107.00-6ENEMODERATE BREEZES, AT NOON LIGHT BREEZESCLEAR0000000206970
1798-12-18T07:00-19.0873.85622.6DIEGO RAISS86W184S67W90.00-6NNE, NE, ENELIGHT BREEZESCLEAR0000000206971
1798-12-19T07:00-19.1772.83396.7DIEGO RAISS87W174S75W60.00-6EBN, NEBE, NEMODERATE BREEZESCLEAR0000000206972
1798-12-20T07:00-19.3371.63616.7DIEGO RAISS87W152S79W79.00-7NEBE, ENEMODERATE BREEZESCLEAR0000000206973
1798-12-21T07:00-19.8270.17382.6DIEGO RAISN88W124S76W86.00-7VARIABLE, N, NELIGHT BREEZESCLEAR0000000206974
1798-12-22T07:00-20.0368.8846.7DIEGO RAISN86W100S80W72.00-7N, NBW, NBEFRESH BREEZES, AT 4 SQUALLY, AT NOON MODERATE BREEZESAT 4 RAINCLEAR0100000206975
1798-12-23T07:00-20.0368.083421.0DIEGO RAISN86W85W45.00-7NNE, NBWLIGHT BREEZES, AT 8 CALM, AM LIGHT AIRSCLEAR0000000206976
1798-12-24T08:00-19.9367.483502.6DIEGO RAISN86W77N83W34.00-10SW, ESE, NLIGHT BREEZESCLEAR0000000206977
1798-12-25T08:00-19.5065.972830.0DIEGO RAISN86W46N74W86.00-10SSE, ESE, WNWCALMCLEAR0000000206978
1798-12-26T08:00-20.1363.051036.7ROUND ISLANDS84W93-10E, ESEMODERATE BREEZESCLEAR0000000206979
1798-12-27T08:00-20.7760.20123ROUND ISLANDN83W45S72W148.00-12SEBE, VARIABLE, SELIGHT BREEZES, AM FRESH BREEZES, AT NOON SQUALLYCLEAR0000000206980
1798-12-28T08:00-19.7258.181126.7ROUND ISLANDN60W153N85W114.00-12E, SEBEMODERATE BREEZESCLOUDY0000000206981
1798-12-29T08:00-18.5556.32532.6ST MARYSN69W111N57W120.00-15SE, ENELIGHT BREEZESCLEAR0000000206982
1798-12-30T08:00-17.6754.83412.6ST MARYSN79W80N59W99.00-15ENE, NEBN, NEBELIGHT BREEZESCLEAR0000000206983
1798-12-31T08:00-16.9853.151122.6ST MARYSN88W47N68W104.00-12SE, ESE, SEBELIGHT BREEZESCLEAR0000000206984
1799-01-01T09:00-16.9051.77752.6ST MARYSW20N87W79.00-15NE, N, ELIGHT BREEZESCLEAR0000000206985
1799-01-02T09:00-17.1250.403459.3ST MARYSN49W17S80W80.00-15SE, NWBN, NFRESH BREEZESCLEAR0000000206986
1799-01-24T09:00-27.1846.30229.3CAPE AGULLASS71W468S19W129.00-23NNE, NESTRONG GALES AND SQUALLY, AM STRONG BREEZES, AT 6 FRESH BREEZES0000000206987
1799-01-25T09:00-28.7244.772012.3CAPE AGULLASS74W430S42W122.00-26SBW, SEBS, NELIGHT BREEZES, AT 7 MODERATE BREEZES, AM STRONG BREEZESCLEAR0000000206988
1799-01-26T09:00-30.5041.981192.6CAPE AGULLASS77W370S47W141.00-27VARIABLE, ESE, SEBSSTRONG BREEZES, AT 8 MODERATE BREEZES, AT NOON LIGHT BREEZESHAZY, AT NOON CLEAR0000000206989
1799-01-27T09:00-31.1339.90746.7CAPE AGULLASS78W332S67W117.00-27VARIABLE, ENE, EBSMODERATE BREEZESCLEAR, AM CLOUDY0000000206990
1799-01-28T09:00-31.4238.30292.6CAPE OF GOOD HOPES79W328S77W85.00-27SSE, S, NEBELIGHT BREEZESAT NOON A HEAVY SWELL FROM THE WESTWARDCLEAR, AM CLOUDY0000000206991
1799-01-29T10:00-32.4035.831526.7CAPE AGULLASS80W256S65W137.00-28SBE, SSTRONG GALES, AM MORE MODERATEA HEAVY SWELLHAZY0000000206992
1799-01-30T10:00-33.1233.2212912.3CAPE AGULLASS80W193S65W145.00-29EBS, EBN, SSEMODERATE BREEZES, AT NOON STRONG BREEZESCLOUDY, AT NOON HAZY0000000206993
1799-01-31T10:00-34.0729.10509.3CAPE AGULLASS85W142S68W142.00-29VARIABLE, SWBW, EBNFRESH BREEZESCLOUDY0000000206994
1799-02-01T10:00-34.7226.431979.3CAPE AGULLASS89W97S76W137.00-28VARIABLE, WBN, SWFRESH BREEZES, AM CALM, AT NOON FRESH BREEZESAM HEAVY RAINCLEAR0100000206995
1799-02-02T10:00-34.7224.681751.0CAPE AGULLASW66S87W86.00-28WBS, W, SSWMODERATE BREEZES, AT NOON LIGHT AIRS INCLINABLE TO CALMCLEAR0000000206996