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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 WOOLWICH cruise from Table Bay to The Downs started at 1799-04-07 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752926, 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: 10.328400 * Median Longitude: -17.119200 * South-bound Latitude: -33.470000 * West-bound Longitude: -37.270000 * North-bound Latitude: 50.230000 * East-bound Longitude: 18.030000
Date/Time Start: 1799-04-07T11:00:00 * Date/Time End: 1799-07-25T12:00:00
Event(s):
Woolwich_17990407_NMM_ADM/L/W153 * Latitude Start: -34.430000 * Longitude Start: 16.950000 * Latitude End: 47.720000 * Longitude End: -5.280000 * Date/Time Start: 1799-04-07T00:00:00 * Date/Time End: 1799-07-25T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Woolwich (Storeship), Voyage: Table Bay - Downs, 1st Observer: Michael Halliday (Captain), Company: Royal Navy, Other ship information: 896BM
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
--1 If position is considered to be coastal (in port or near coastal disturbances)
10 CourseCourseCourse of the ship during the past 24 hours
11 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
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 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.
14 Wind force descriptionWind force descrAll reported wind forces on this day
15 Present weatherwwWeather description
16 Precipitation descriptionPrecip 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:
1424 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)

-
(1 If position is considered t...)
10 
Course
(Course of the ship during the...)
11 
Distance [arbitrary units]
(Distance travelled during the...)
12 
Decl [deg]
(It is generally accepted by t...)
13 
Wind dir descr
(All reported wind directions ...)
14 
Wind force descr
(All reported wind forces on t...)
15 
ww
(Weather description)
16 
Precip 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)
1799-04-07T11:00-33.4718.033626.7DASSEN ISLANDN21-26SSW, W, VARIABLEMODERATECLOUDY0000000281888
1799-04-08T11:00-31.9815.882456.7ST HELENAN51W523N51W138.00-25SW, WMODERATECLOUDY0000000281889
1799-04-09T11:00-30.9714.781892.6ST HELENAN51W492N43W83.00-25SWBSLIGHT BREEZESCLEAR0000000281890
1799-04-10T11:00-29.7012.931331.0ST HELENAN52W443N52W122.00-25SSELIGHT AIRSCLEAR0000000281891
1799-04-11T11:00-28.2510.531809.3ST HELENAN49W377N55W153.00-23SSWFRESH BREEZESCLEAR0000000281892
1799-04-12T11:00-27.209.373622.6ST HELENAN49W346N44W89.00-23VARIABLELIGHT BREEZESCLEAR0000000281893
1799-04-13T11:00-26.859.022250.6ST HELENAN50W336N43W28.00-23NNW, WSWLIGHT AIRS INCLINABLE TO CALMS0000000281894
1799-04-14T11:00-25.828.582416.7ST HELENAN52W318N20W66.00-23VARIABLE, W1/2SMODERATECLEAR0000000281895
1799-04-15T11:00-24.887.522250.0ST HELENAN52:30W291N46W81.00-23WSWCALM0000000281896
1799-04-16T12:00-23.325.822382.6ST HELENAN53W243N45W133.00-21WBSLIGHT BREEZESCLEAR0000000281897
1799-04-17T12:00-22.404.822492.6ST HELENAN45W78.00-21VARIABLE, WLIGHT BREEZESCLOUDY0000000281898
1799-04-18T12:00-21.854.07137ST HELENAN59W230N51W53.00-21SSEFIRST PART LIGHHT AIRSCLOUDY0000000281899
1799-04-19T12:00-20.652.37822.6ST HELENAN60W191N53W118.00-19EBSLIGHT BREEZESCLEAR0000000281900
1799-04-20T12:00-19.430.221276.7ST HELENAN59W140N59W141.00-19SEBSMODERATECLOUDY0000000281901
1799-04-21T12:00-18.00-1.651169.3ST HELENAN63W93N51W137.00-19SEFRESH BREEZESCLEAR0000000281902
1799-04-22T12:00-17.20-2.75732.6ST HELENAN68W68N52W80.00-17SEBE, SSW, ELIGHT BREEZESCLEAR0000000281903
1799-04-23T12:00-16.52-4.221742.6ST HELENAN71W38N64W94.00-17SBWLIGHT BREEZESCLOUDY0000000281904
1799-05-28T12:00-15.80-5.87969.3JAMES TOWNS21-17ESEFRESH BREEZESSHOWERS OF RAIN1100000281905
1799-05-29T13:00-14.42-7.70989.3ASCENSIONN46W185N52W137.00-15SE, ESEFRESH BREEZESCLOUDY0000000281906
1799-05-30T13:00-13.32-9.051209.3ASCENSIONN45W153N50W103.00-15SEFRESH BREEZESCLOUDY0000000281907
1799-05-31T13:00-12.12-10.531196.7ASCENSIONN43W112N50W112.00-16SEMODERATECLOUDY0000000281908
1799-06-01T13:00-10.58-12.251539.3ASCENSIONN42W66N48W136.00-16SEBS, SE, SBEFRESH BREEZESCLOUDY0000000281909
1799-06-02T13:00-9.45-14.151119.3ASCENSIONN8W27N58W132.00-13SEBEFRESH BREEZESCLOUDY0000000281910
1799-06-03T13:00-7.98-16.371229.3ASCENSIONN88E36N56W158.00-13SEFRESH BREEZESCLOUDY0000000281911
1799-06-04T13:00-5.90-18.051249.3ASCENSIONN39W161.00-11SEFRESH BREEZESCLOUDY0000000281912
1799-06-05T13:00-3.87-19.421029.3BRAVAN25W392N34W147.00-11SE, ESEFRESH BREEZESCLEAR0000000281913
1799-06-06T13:00-2.42-19.821239.3BRAVAN25W362N15W91.00-12E, ENE, SEFRESH BREEZESCLEAR0000000281914
1799-06-07T13:00-1.37-20.32780.6BRAVAN12W334N25W70.00-12SE, SBE, ELIGHT BREEZES, LIGHT AIRS INCLINABLE TO CALMSCLOUDY0000000281915
1799-06-08T13:00-0.93-20.521012.6BRAVAN11W324N24W29.00-12ESELIGHT BREEZESCLOUDY0000000281916
1799-06-09T13:000.25-20.981461.0BRAVAN10W302N22W76.00-12E, SSELIGHT AIRSCLEAR0000000281917
1799-06-10T13:001.42-21.50782.6BRAVAN10W274N24W77.00-12ELIGHT BREEZESCLOUDY0000000281918
1799-06-11T13:002.78-22.10776.7BRAVAN4W247N24W90.00-13NE, SE, EMODERATECLEAR0000000281919
1799-06-12T13:003.30-22.27771.0BRAVAN3W220N18W28.00-13VARIABLE, EBN, ELIGHT AIRS AND VARIABLERAIN0100000281920
1799-06-13T14:005.58-22.601251.0BRAVAN1:30W188N15W78.00-10VARIABLE, ESE, SELIGHT AIRSCLOUDY0000000281921
1799-06-14T14:006.13-22.90802.6BRAVAN178N28W37.00-10VARIABLE, ELIGHT BREEZESCLEAR0000000281922
1799-06-15T14:006.67-23.153622.6BRAVAN3E167N25W34.00-10VARIABLELIGHT BREEZESSHOWERS OF RAINCLOUDY1100000281923
1799-06-16T14:007.55-23.272376.7ST ANTONION2E195N7W53.00-11SW, WSWMODERATETHICKHAZY0000000281924
1799-06-17T14:008.38-23.933600.0ST ANTONION11E185N38W63.00-11NNE, EBS, VARIABLE, NBECALMRAINHAZY0100000281925
1799-06-18T14:009.28-24.85452.6CORVON7W608N43W74.00-11NE, NE1/2N, NEBELIGHT BREEZESRAIN0100000281926
1799-06-19T14:009.98-25.68349.3CORVON6W595N49W65.00-11NEBN, NEFRESH BREEZESCLOUDY0000000281927
1799-06-20T14:0010.80-26.82236.7CORVON4W582N54W83.00-11N, NBE, NEBNMODERATE BREEZESCLOUDY0000000281928
1799-06-21T14:0011.72-27.80142.6CORVON2W556N46W81.00-9NEBN, VARIABLE, NNELIGHT BREEZESCLOUDY0000000281929
1799-06-22T14:0013.10-27.989112.3CORVON2W525N8W81.00-10VARIABLE, EBSLIGHT BREEZES, FRESH WINDSSMALL SHOWERS1000000281930
1799-06-23T14:0014.68-29.07469.3CORVON496N34W113.00-10NEBEFRESH BREEZESCLOUDY0000000281931
1799-06-24T14:0016.37-30.203519.0CORVON3E472N33W121.00-10NEBE, NEFRESH BREEZES, FRESH GALESCLOUDY0000000281932
1799-06-25T14:0018.25-31.553319.0CORVON6E431N34W138.00-12EBN, ENE, NEFRESH GALESCLOUDY0000000281933
1799-06-26T14:0020.22-32.6530519.0CORVON8E393N28W134.00-10N1/2E, SW, NWFRESH GALESCLOUDY, HAZY0000000281934
1799-06-27T14:0022.20-33.38589.3CORVON11E357N19W126.00-10EBN, ENEFRESH BREEZESCLOUDY0000000281935
1799-06-28T14:0024.45-34.32569.3CORVON19E323N21W143.00-12EBN, ENEFRESH BREEZESCLOUDY0000000281936
1799-06-29T14:0026.55-35.12676.7CORVON24E290N19W132.00-12VARIABLE, EBNFRESH BREEZES, MODERATECLOUDY0000000281937
1799-06-30T14:0028.52-35.92659.3CORVON30E261N20W126.00-14NEBE, VARIABLE, EBNLIGHT BREEZES, FRESH BREEZESLIGHT SHOWERSHAZY1000000281938
1799-07-01T14:0030.68-36.483626.7CORVON37E226N12W133.00-14EBN, VARIABLEFRESH BREEZES, MODERATECLOUDY0000000281939
1799-07-02T14:0032.55-36.93739.3CORVON45E205N12W114.00-17EFRESH BREEZESCLEAR0000000281940
1799-07-03T14:0033.92-37.22739.3CORVON52E188N1W83.00-17ENE, ELIGHT BREEZES, FRESH BREEZESCLEAR0000000281941
1799-07-04T14:0034.48-37.273622.6CORVON55E182N5W34.00-17VARIABLELIGHT BREEZESCLEAR0000000281942
1799-07-05T14:0034.98-36.983621.0CORVON57E171N25E34.00-17NNW, W, VARIABLELIGHT AIRS AND CALM0000000281943
1799-07-06T14:0035.87-36.382532.6CORVON60E153N29E61.00-17NNW, NWBW, WLIGHT BREEZESCLEAR0000000281944
1799-07-07T14:0036.55-35.772422.6CORVON64E143N34E51.00-17SW, WNW, WBSMODERATE, LIGHT BREEZESCLEAR0000000281945
1799-07-08T14:0037.53-35.133181.0CORVON70E124N27E66.00-20NNWMODERATE, LIGHT AIRSCLEAR0000000281946
1799-07-09T14:0038.35-34.472612.6CORVON76E110N33E59.00-20WSW, WBNLIGHT BREEZESCLEAR0000000281947
1799-07-10T14:0039.53-33.522506.7CORVON88E91N32E84.00-20WLIGHT BREEES, MODERATECLEAR0000000281948
1799-07-11T14:0041.58-31.8727212.3CORVOS60E75N32E123.00-21WNWLIGHT BREZES, FRESH WINDSSMALL RAINCLEAR, HAZY0100000281949
1799-07-12T14:0043.87-29.9028019.0CAPE CLEARN66E354N32E163.00-24NWBWFRESH BREEZES, FRESH GALESHAZY, CLOUDY0000000281950
1799-07-13T14:0044.92-28.4229115.4CAPE CLEARN67E328N45E90.00-24VARIABLE, SW, SWBW, NWFRESH BREEZES, MODERATE GALESCEAR, HAZY0000000281951
1799-07-14T14:0045.98-27.202562.6CAPE CLEARN70E297N38E83.00-25NNW, NEBE, ENE, WBNFRESH BREEZES, LIGHT BREEZESHAZY0000000281952
1799-07-15T14:0046.32-27.05886.7CAPE CLEARN71E292N16E21.00-25VARIABLE, E1/N, ESECALM, MODERATE BREEZESCLOUDY0000000281953
1799-07-16T14:0047.27-24.2222319.0CAPE CLEARN76E243N45E163.00-25SBE, WSWMODERATE BREEZES, FRESH GALESCLOUDY, THICK HAZY WEATHER0000000281954
1799-07-17T13:0049.70-20.6719719.0CAPE CLEARN81E188N58E165.00-28WNW, SWFRESH GALESRAINCLOUDY0100000a trivial correction was made in this observation281955
1799-07-18T13:0049.90-17.932659.3CAPE CLEARN80E155N70E113.00-28NNW, NBE, NNE, WNWSTRONG BREEZES, FRESH BREEZESHAZY, CLOUDY0000000281956
1799-07-19T13:0050.23-16.723622.6CAPE CLEARN82E131N67E51.00-27S, VARIABLELIGHT BREEZESCLOUDY0000000281957
1799-07-21T13:0050.13-14.9310819.0SCILLYE139N76E32.00-27VARIABLE, SEFRESH BREEZES, FRESH GALESRAINHAZY, CLOUDY0100000281958
1799-07-22T13:0049.80-13.088619.0SCILLYN87E121S75E74.00-27SW, WSW, WNW, ESEMODERATE, FRESH GALESHAZY, CLOUDY0000000281959
1799-07-23T13:0049.53-9.222559.3SCILLYN82E61S84E151.00-26WBS, WSW, WBNFRESH GALES, FRESH BREEZESCLEAR0000000281960
1799-07-24T12:0049.55-4.9820019.0ST AGNESN50E111E162.00-25WBN, SW, WNW, SWFRESH BREEZES, FRESH GALESCLOUDY0000000281961
1799-07-25T12:0049.88-0.8327019.0STARTN44W81E-23NW, WNWFRESH GALESCLOUDY0000000281962