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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 RATTLESNAKE cruise from Table Bay to Madras started at 1803-01-07 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751702, 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: -15.464265 * Median Longitude: 71.073382 * South-bound Latitude: -37.930000 * West-bound Longitude: 15.730000 * North-bound Latitude: 12.830000 * East-bound Longitude: 92.430000
Date/Time Start: 1803-01-07T11:00:00 * Date/Time End: 1803-03-15T07:00:00
Event(s):
Rattlesnake_18030107_NMM_ADM/L/R61 * Latitude Start: -34.430000 * Longitude Start: 16.950000 * Latitude End: 12.100000 * Longitude End: 80.500000 * Date/Time Start: 1803-01-07T00:00:00 * Date/Time End: 1803-03-15T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Rattlesnake (Sloop), Voyage: Table Bay - Madras, 1st Observer: John Cramer (Captain), Company: Royal Navy, Other ship information: 16G 320BM
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 Precipitation descriptionPrecip descr
15 State of the sea descriptionState sea descr
16 ClearnessClearness
17 GustsGusts1 If wind gusts are reported
18 Precipitation/RainRain1 If rain was reported
19 FogFog1 If fog was reported
20 Snow typeSnow1 If snow was reported
21 ThunderThunder1 If thunder and or lightning was reported
22 HailHail1 If hail was reported
23 Sea iceSea ice1 If sea-ice or icebergs were reported
24 IdentificationIDCLIWOC 2.1 line number
Size:
1289 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 
Precip descr
15 
State sea descr
16 
Clearness
17 
Gusts
(1 If wind gusts are reported)
18 
Rain
(1 If rain was reported)
19 
Fog
(1 If fog was reported)
20 
Snow
(1 If snow was reported)
21 
Thunder
(1 If thunder and or lightning...)
22 
Hail
(1 If hail was reported)
23 
Sea ice
(1 If sea-ice or icebergs were...)
24 
ID
(CLIWOC 2.1 line number)
1803-01-07T11:00-34.2716.702456.7TABLE BAYN76:36E29S76:36W87.00-25SW, SWBW, WSW, WMODERATE BREEZESCLEAR0000000207739
1803-01-08T11:00-34.7715.731891.0TABLE BAYN69:9E49S58E56.00-25SSW, VARIABLE, SWBSMODERATE BREEZES, AT NOON LIGHT AIRSCLEAR0000000207740
1803-01-09T11:00-36.2516.781212.6SAINT PAULSS83:57ES29:49E162.00-25WSW, SEBSLIGHT BREEZESPLEASANT0000000207741
1803-01-10T11:00-36.2818.272216.7SAINT PAULSS87:03E940S88:42E88.00-27WSWMODERATECLEAR, NOON CLOUDY0000000207742
1803-01-11T11:00-36.2719.37630.0SAINT PAULSS86:52E920N89E65.00-27ECALMCLEAR0000000207743
1803-01-12T10:00-37.8723.2736212.3SAINT PAULSS88:52E843S52:49E210.00-28WNW, VARIABLEFRESH BREEZES, 7AM STRONG BREEZES AND SQUALLYCLOUDY0000000207744
1803-01-13T10:00-37.1825.853629.3SAINT PAULSS86:39E852N74:37E136.00-28SSW, NW, VARIABLEFRESH BREEZES AND SQUALLYNOON RAIN0100000207745
1803-01-14T10:00-37.7028.583312.6SAINT PAULSS88:31E805S76:37E134.00-29NLIGHT BREEZESCLOUDY, CLEAR0000000207746
1803-01-15T10:00-37.5329.973622.6SAINT PAULSS88:13E750N81:47E70.00-29VARIABLELIGHT BREEZESWESTERLY SWELLPLEASANT, NOON CLEAR0000000207747
1803-01-16T10:00-37.9333.551849.3SAINT PAULSS88:43E685S82E172.00-30NE, SWBSMODERATE, FRESH BREEZESCLEAR0000000207748
1803-01-17T10:00-37.5837.072409.3SAINT PAULSS87:55E608S83E160.00-30WMODERATE BREEZES, FRESH BREEZES AND SQUALLYCLOUDY0000000207749
1803-01-18T09:00-36.7341.052416.7SAINT PAULSS86:03E576S73E192.00-29WFRESH BREEZES AND SQUALLY, NOON MODERATE BREEZESRAINHEAVY SEANOON CLOUDY0100000207750
1803-01-19T09:00-36.8343.872876.7SAINT PAULSS85:32E533S83:39E144.00-28SW, NWMODERATE BREEZESCLOUDY0000000207751
1803-01-20T09:00-36.9746.872876.7SAINT PAULSS85:53E482S85:38E144.00-28NE, NWMODERATE BREEZESCLOUDY0000000207752
1803-01-21T09:00-37.6851.48169.3SAINT PAULSS85E409S88:27E220.00-29NNE, NEFRESH BREEZESCLOUDY, AT NOON CLEAR AND PLEASANT0000000207753
1803-01-22T08:00-37.4555.73316.7SAINT PAULSS85:37E340S84:26E206.00-25NNE, NEBEMODERATECLEAR0000000207754
1803-01-23T08:00-37.7559.8576.7SAINT PAULSS86:3E276S83:53E197.00-27NEBNMODERATECLEAR0000000207755
1803-01-24T08:00-37.3763.653629.3SAINT PAULSS82:57E217VARIABLE189.00-21VARIABLEFRESH BREEZESHAZY, AT NOON CLEAR0000000207756
1803-01-25T07:00-36.8767.98379.3SAINT PAULSS56E137N83E210.00-19NBE, NEBEFRESH BREEZESCLOUDY0000000207757
1803-01-26T07:00-36.1770.38376.7APALURIAN26:16E587N70E126.00-19NBW, N, NEBEMODERATEHAZY0000000207758
1803-01-27T07:00-35.6771.033622.6APALURIAN23:40E575N47E46.00-19NEBN, VARIABLELIGHT WINDSCLEAR0000000207759
1803-01-28T07:00-35.2471.192512.6-19EBS, SE, WLIGHT WINDSHAZY0000000207760
1803-01-29T07:00-34.8271.3525119.0APALURIAS25:58E556S50E169.00-19WFRESH GALES AND SQUALLY0000000207761
1803-01-30T07:00-34.6571.352519.3APALURIAS25:58E556S50E169.00-19NE, WFRESH BREEZESCLEAR0000000207762
1803-01-31T07:00-29.6777.131909.3APALURIAN19:16E420210.00-13WSW, SSWSTEADY BREEZESCLEAR0000000207763
1803-02-01T07:00-28.6378.532140.0APALURIAN17:49E394NE1/2N81.00-11SWLIGHT WINDS, AM INCLINING TO CALMFINE, CLEAR WEATHER0000000207764
1803-02-02T07:00-27.6378.531690.0APALURIAN17:37E374NNE64.00-11NEBN, EBS, SCALMCLEAR, AT NOON PLEASANT WEATHER0000000207765
1803-02-03T07:00-26.3078.27711.0APALURIAN19:47E350N8W88.00-8VARIABLE, SEBE, EBNLIGHT AIRSSMALL RAINCLOUDY0100000207766
1803-02-04T07:00-27.2878.93939.3APALURIAN26E308N13E116.00-8VARIABLE, EBSMODERATE, NOON STEADY BREEZESCLOUDY, NOON CLEAR0000000207767
1803-02-05T07:00-22.0279.95966.7APALURIAN19:46E259NNE148.00-5EBSMODERATE, NOON MODERATE BREEZESCLOUDY, NOON PLEASANT0000000207768
1803-02-06T07:00-19.5580.47966.7APALURIAN22:20E210N12E150.00-5VARIABLE, EBSMODERATE, AM SQUALLY, NOON MODERATEPM RAINCLEAR, NOON CLOUDY0100000207769
1803-02-07T07:00-17.2281.20999.3APALURIAN23:29E161N15E147.00-2VARIABLE, EBSMODERATE BREEZES, AM FRESH BREEZESCLOUDY0000000207770
1803-02-08T07:00-14.9281.83362APALURIAN27:08E114NEBE143.00-2EBS, VARIABLEMODERATE, PM FRESH BREEZES AND SQUALLY, NOON STEADYCLOUDY, NOON CLEAR0000000207771
1803-02-09T06:00-12.6082.721119.3APALURIAN31:26E73N20E148.00-2EBS, ESESTEADY BREEZESCLOUDY0000000207772
1803-02-10T06:00-11.5083.173622.6APALURIAN35:33E44NBE1/2E90.000EBS, VARIABLELIGHT BREEZESCLOUDY0000000207773
1803-02-11T06:00-10.5883.97362APALURIAN34:59E18N46E78.000NW, ENE, VARIABLELIGHT AIRS, AT NOON SQUALLYAT NOON RAINCLOUDY0100000207774
1803-02-12T06:00-8.7784.95362GREAT BASSESN10:50W302NNE1/2N124.000WNW, VARIABLEFRESH BREEZES, AT NOON SQUALLYAT NOON HEAVY RAINSCLOUDY WEATHER0100000207775
1803-02-13T06:00-7.5085.783622.6GREAT BASSESN11:33W299N30E214.000VARIABLEFRESH BREEZES AND SQUALLY, AT NOON LIGHT WINDSRAINAT NOON CLOUDY0100000207776
1803-02-14T06:00-6.1286.373051.0GREAT BASSESN19:19W258N23E90.001VARIABLE, NWBWLIGHT AIRSRAINCLOUDY0100000207777
1803-02-15T06:00-5.0086.723626.7GREAT BASSESN22:35W240NNE1/2E66.001NWBW, VARIABLEMODERATE BREEZESCLOUDY0000000207778
1803-02-16T06:00-4.4387.233620.0GREAT BASSESN26W234N42E48.001NWBW, VARIABLELIGHT BREEZES AND VARIABLE, NOON INCLINABLE TO CALM0000000207779
1803-02-17T06:00-4.0287.653621.0GREAT BASSESN26:46W230NE35.001VARIABLELIGHT AIRSCLEAR0000000207780
1803-02-18T06:00-4.0288.233622.6GREAT BASSESN31:14W236E35.001NNW, VARIABLELIGHT BREEZESCLOUDY0000100207781
1803-02-19T06:00-3.4588.323392.6GREAT BASSESN33:08W227N8E34.001N, VARIABLE, NNWLIGHT BREEZESFINE WEATHER0000000207782
1803-02-20T06:00-2.5388.932942.6GREAT BASSESN38:24W220N34E66.001NNW, WNWMODERATE, NOON LIGHT BREEZESCLOUDY0000000207783
1803-02-21T06:00-0.4389.502726.7GREAT BASSESN48:39W197N15E130.002NWBW, WMODERATE BREEZESCLOUDY WEATHER0000000207784
1803-02-22T06:000.5889.953621.0GREAT BASSESN55W192N24E67.002WBN, VARIABLEMODERATE BREEZES, NOON LIGHT AIRS INCLINABLE TO CALMCLOUDY0000000207785
1803-02-23T06:000.9789.902726.7GREAT BASSESN57:06W189N8W23.002VARIABLE, WLIGHT AIRS, NOON MODERATEPLEASANT, NOON CLOUDY0000000207786
1803-02-24T06:001.0889.103621.0GREAT BASSESN54:30W170W3/4N48.002N, NNE, VARIABLELIGHT AIRSCLOUDY0000000207787
1803-02-25T06:001.2388.6326.7GREAT BASSESN53:27W163N72W29.002NBE, VARIABLE, NMODERATECLOUDY0000000207788
1803-02-26T06:001.4788.933621.0GREAT BASSESN56W165N52E23.002N, VARIABLELIGHT AIRSCLOUDY, NOON PLEASANT WEATHER0000000207789
1803-02-27T06:002.0088.523286.7GREAT BASSESN61:12W169N49E47.002N, NNW, NWBNLIGHT AIRS, NOON MODERATEPLEASANT WEATHER0000000207790
1803-02-28T06:002.4588.883286.7GREAT BASSESN61:52W154N65W47.002NW, NWBNLIGHT AIRS, AT NOON MODERATEPLEASANT0000000207791
1803-03-01T06:002.7089.003622.6GREAT BASSESN66:55W154N25E17.002NNW, NE, VARIABLELIGHT BREEZESPLEASANT0000000207792
1803-03-02T06:002.8888.723626.7GREAT BASSESN64:21W148N54W19.002NEBE, NW, VARIABLEMODERATEHAZY, AT NOON CLOUDY0000000207793
1803-03-03T06:003.2389.102956.7GREAT BASSESN67:53W151NE30.002NBW, N, NE, WNWMODERATE BREEZESCLOUDY0000000207794
1803-03-04T06:004.4789.983402.6GREAT BASSESN78:26W161N29E109.002VARIABLE, NW, NNWLIGHT BREEZESCLOUDY0000000207795
1803-03-05T06:005.4591.053179.3FLAGSTAFFN71:48W197N47E87.002NNW, NWHEAVY SQUALLS, AT NOON STEADY BREEZESAT NOON CLOUDY0000000207796
1803-03-06T06:006.3791.753406.7FLAGSTAFFN78:41W206N37E69.002WNW, NNWMODERATE BREEZESCLOUDY0000000207797
1803-03-07T06:007.0592.4326.7FLAGSTAFFN82:09W217NE58.002NWBN, VARIABLE, NLIGHT BREEZES, AT NOON MODERATECLOUDY0000000207798
1803-03-08T06:007.2391.173516.7FLAGSTAFFN82:18W194N81W68.002NBE, NBWMODERATECLOUDY0000000207799
1803-03-09T06:007.5590.18131.0FLAGSTAFFN83:25W172N74W70.002NBELIGHT AIRSCLOUDY0000000207800
1803-03-10T06:008.1788.17922.6MADRASN53:37W138N73W126.002NBE, NEBE, EMODERATE, AT NOON LIGHT WINDSCLOUDY, AT NOON HAZY0000000207801
1803-03-11T06:008.9389.15256.7MADRASN53:37W138N69W129.002NEBE, VARIABLE, NNELIGHT WINDS, AT NOON MODERATECLOUDY0000000207802
1803-03-12T06:0010.3783.7325MADRASN48:28W85N59W167.002NE, NNEMODERATE BREEZES, AT NOON SQUALLYAT NOON RAINCLOUDY0100000207803
1803-03-13T07:0011.5082.10462.6MADRASN42:39W46NWBW122.001NELIGHT BREEZESCLOUDY0000000207804
1803-03-14T07:0011.9281.65461.0MADRASN41:1W34NW1/4W35.001VARIABLE, NELIGHT AIRSPLEASANT WEATHER0000000207805
1803-03-15T07:0012.8381.601142.6MADRASN10W7N23W59.001ESELIGHT BREEZESPLEASANT WEATHER0000000207806