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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 HAVICK cruise from Table Bay to Plymouth started at 1796-09-25 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.749546, 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: 21.225057 * Median Longitude: -15.796552 * South-bound Latitude: -34.070000 * West-bound Longitude: -33.730000 * North-bound Latitude: 52.520000 * East-bound Longitude: 17.770000
Date/Time Start: 1796-09-25T11:00:00 * Date/Time End: 1796-12-21T12:00:00
Event(s):
Havick_17960925_NMM_ADM/L/H92 * Latitude Start: -34.430000 * Longitude Start: 16.950000 * Latitude End: 50.299000 * Longitude End: -4.150000 * Date/Time Start: 1796-09-25T00:00:00 * Date/Time End: 1796-12-21T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Havick (Sloop), Voyage: Table Bay - Plymouth, 1st Observer: Philip Batholomew (Captain), Company: Royal Navy, Other ship information: 16G 364BM
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 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
15 Current speed descriptionV descr
16 Wind force descriptionWind force descrAll reported wind forces on this day
17 Present weatherwwWeather description
18 Precipitation descriptionPrecip descr
19 State of the sea descriptionState sea descr
20 ClearnessClearness
21 GustsGusts1 If wind gusts are reported
22 Precipitation/RainRain1 If rain was reported
23 FogFog1 If fog was reported
24 Snow typeSnow1 If snow was reported
25 ThunderThunder1 If thunder and or lightning was reported
26 HailHail1 If hail was reported
27 Sea iceSea ice1 If sea-ice or icebergs were reported
28 IdentificationIDCLIWOC 2.1 line number
Size:
1465 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 
Cur dir descr
(Direction of the current. Thi...)
15 
V descr
16 
Wind force descr
(All reported wind forces on t...)
17 
ww
(Weather description)
18 
Precip descr
19 
State sea descr
20 
Clearness
21 
Gusts
(1 If wind gusts are reported)
22 
Rain
(1 If rain was reported)
23 
Fog
(1 If fog was reported)
24 
Snow
(1 If snow was reported)
25 
Thunder
(1 If thunder and or lightning...)
26 
Hail
(1 If hail was reported)
27 
Sea ice
(1 If sea-ice or icebergs were...)
28 
ID
(CLIWOC 2.1 line number)
1796-09-25T11:00-34.0717.7730022.6CAPE OF GOOD HOPEN54E14WBS37.00-26NWBNSTRONG GALESRAIN0100000108366
1796-09-26T11:00-33.2517.382242.6CAPE OF GOOD HOPESE1/4E37NNW1/2W48.00-24WSWTHESE 24 HOURS LIGHT BREEZESTHESE 24 HOURS CLEAR0000000108367
1796-09-27T11:00-31.5314.822016.7ST HELENANW1/2W431NW1/2N127.00-24SWMODERATECLEAR0000000108368
1796-09-28T11:00-29.2512.131139.3ST HELENANW1/2W414NW1/4N225.00-22SEFRESH BREEZESCLEAR0000000108369
1796-09-29T11:00-27.009.881369.3ST HELENANW3/4W367NW1/2N177.00-22SSEFRESH BREEZESCLEAR0000000108370
1796-09-30T12:00-25.357.071156.7ST HELENANW1/2W297NW196.00-20SEMODERATECLEAR0000000108371
1796-10-01T12:00-23.855.451156.7ST HELENANW1/2W266NW124.00-20SEMODERATECLEAR0000000108372
1796-10-02T12:00-22.033.471142.6ST HELENANW3/W213NW155.00-21SELIGHT BREEZESCLOUDY0000000108373
1796-10-03T12:00-20.481.801166.7ST HELENANWBW3/4W170NW132.00-19SEMODERATECLEAR0000000108374
1796-10-04T12:00-19.65-0.88946.7ST HELENANWBW1/2W162NW74.00-19ESEMODERATECLOUDY0000000108375
1796-10-05T12:00-18.30-0.472062.6ST HELENAWNW112NW108.00-19SSE, SWLIGHT BREEZES AND VARIABLE0000000108376
1796-10-06T12:00-16.58-2.151396.7ST HELENAWBN70NW137.00-19SE, SSEMODERATERAIN0110000108377
1796-10-07T12:00-16.02-4.701189.3ST HELENAW1/2N26WNW3/4W151.00-17SEFRESH BREEZESRAIN0100000108378
1796-10-09T12:00-14.13-7.05969.3NWBN132.00-17ESEFRESH BREEZESRAIN0100000108379
1796-10-10T13:00-11.77-8.62649.3ASCENSIONNWBW137NWBN169.00-15EBNFRESH BREEZESRAINCLOUDY0100000108380
1796-10-11T13:00-9.80-9.75143NWBW136.00-15SE, TO SSEHEAVY SQUALLSRAIN0100000108381
1796-10-12T13:00-7.92-10.7764ASCENSIONW7NWBW128.00-15EBNCLOUDY WEATHER THESE 24 HOURS0000000108382
1796-10-13T13:00-5.82-11.871196.7NNW1/2W139.00-16SEMODERATECLEAR WEATHER0000000108383
1796-10-14T13:00-3.23-12.251196.7ST JAGON30W420NNW1/2W131.00-16SEMODERATECLEAR WEATHER0000000108384
1796-10-15T13:00-1.72-13.63999.3ST JAGON30W370N20W123.00-14SE, TO ESENW1FRESH BREEZESCLOUDY0000000108385
1796-10-16T13:000.68-14.181556.7ST JAGON30W343N19W104.00-14SE, TO SBEMODERATECLEAR0000000108386
1796-10-17T13:001.60-14.731446.7ST JAGON35W310N19W102.00-14SSEMODERATECLEAR0000000108387
1796-10-18T13:003.33-15.172106.7ST JAGON38W280N14W110.00-15SSE, TO SWNWBN0.5MODERATECLEAR0000000108388
1796-10-19T13:005.07-15.57301.0N13W103.00-15S, TO NELIGHT AIRS AND VARIABLEHEAVY SWELL FROM THE NE0000000108389
1796-10-20T13:005.62-15.553621.0N32E38.00-15VARIABLELIGHT AIRS AND VARIABLESQUALLS OF RAIN1100000108390
1796-10-21T13:006.45-15.653621.0S67W50.00-15VARIABLELIGHT AIRS AND VARIABLESQUALLS OF RAIN1100000108391
1796-10-22T13:007.42-16.002661.0ST JAGON41W200N19W63.00-15WBNLIGHT AIRS AND VARIABLESQUALLS OF RAIN1100100108392
1796-10-23T13:007.70-16.573621.0N67W36.00-15VARIABLELIGHT AIRS AND VARIABLESQUALLS OF RAIN1100100108393
1796-10-24T13:007.70-17.053340.0W28.00-15NNW, TO NBWAM CALMCLEAR WEATHER0000000108394
1796-10-25T13:007.73-17.023620.0N16E6.00-15VARIABLEAM CALMCLEAR WEATHER0000000108395
1796-10-26T13:008.30-17.433626.7N31W40.00-15VARIABLEMODERATECLOUDY0000000108396
1796-10-27T13:009.05-18.003022.6N36W53.00-13NWBW, NWLIGHT BREEZESCLEAR0000100108397
1796-10-28T13:009.90-18.6043ST JAGON47W127N36W60.00-13NEBEAM SQUALLYAM RAINCLOUDY WEATHER0100000108398
1796-10-29T13:0010.03-18.77362N45W14.00-13VARIABLEAM SQUALLYAM RAINCLOUDY WEATHER0100000108399
1796-10-30T13:0010.80-19.47362ST JAGON48W132N42W62.00-13VARIABLESQUALLY WEATHER0000100108400
1796-10-31T13:0011.75-20.623219.0ST JAGON47W74N48W92.00-13NEFRESH GALESRAIN0100000108401
1796-11-01T13:0013.12-22.12206.7ST JAGON47W34N45W125.00-14NEBNMODERATECLOUDY0000000108402
1796-11-02T14:0014.68-24.03226.7-12NEBNMODERATECLOUDY0000000108403
1796-11-03T14:0016.23-25.601016.7N53W101.00-12NE, TO ESEMODERATECLOUDY0000100108404
1796-11-04T14:0018.62-26.77429.3N24W165.00-14NEBEFRESH BREEZESCLOUDY0000000108405
1796-11-05T14:0020.78-28.28239.3N31W160.00-12NEBNFRESH BREEZESCLOUDY0000000108406
1796-11-06T14:0023.35-29.60219.3N26W168.00-13NEBNFRESH BREEZESCLOUDY0000000108407
1796-11-07T14:0025.20-31.0032ST MICHAELN16E263N31W149.00-13NESQUALLYRAIN0100000108408
1796-11-08T14:0027.20-31.70669.3N15W126.00-13SEBE, EBNFRESH BREEZESCLOUDY0000000108409
1796-11-09T14:0029.42-32.353629.3ST MICHAELN28E168N17W115.00-15ENE, VARIABLEFRESH BREEZESCLOUDY0000000108410
1796-11-10T14:0030.78-33.733629.3N35W125.00-13VARIABLEFRESH BREEZESCLOUDY0000000108411
1796-11-11T14:0033.17-33.2785ST MICHAELN48E110N10E145.00-16EBSSQUALLYRAIN0100000108412
1796-11-12T14:0033.87-33.00344N17E44.00-16NNW, NCLEAR WEATHER0000000108413
1796-11-13T14:0034.40-32.9072.6N8E34.00-16NNELIGHT BREEZESCLEAR0000000108414
1796-11-14T14:0035.50-33.23852.6ST MICHAELN66E115N13W72.00-16NE, TO EBSLIGHT BREEZESCLEAR0000000108415
1796-11-15T14:0038.17-31.801949.3ST MICHAELS85E77N23E180.00-20SE, SWBSFRESH BREEZESLATTER RAINCLOUDY0100000108416
1796-11-16T14:0039.03-31.583629.3N10E58.00-20VARIABLEFRESH BREEZESAM RAINCLOUDY0100000108417
1796-11-17T14:0040.90-31.40939.3N4E189.00-20ENE, TO ESEFRESH BREEZESCLOUDY0000000108418
1796-11-18T14:0042.10-28.68160N44E179.00-20ESE, TO SSQUALLYRAIN0100000108419
1796-11-19T14:0043.23-25.221799.3N82E154.00-24SSWFRESH BREEZESCLOUDY0000000108420
1796-11-20T13:0043.60-21.38347N82E163.00-24NBESQUALLY WEATHER0000000108421
1796-11-21T13:0043.60-20.5535926.8E44.00-24NWBW, TO NNEHARD GALESRAIN0100000108422
1796-11-22T13:0043.53-18.8529126.8N87E76.00-24NE, TO NWHARD GALES AND SQUALLY0000000108423
1796-11-23T13:0043.63-17.75362N84E76.00-24VARIABLESQUALLYRAIN0100000108424
1796-11-24T13:0044.02-19.53449.3N52W37.00-24NEBN, TO ENEFRESH BREEZESCLOUDY0000000108425
1796-11-25T13:0044.27-19.834426.8N45W18.00-24ENEHARD GALESRAIN0100000108426
1796-11-26T13:0044.83-20.634426.8N45W48.00-24ENEHARD GALESRAIN0100000108427
1796-11-27T13:0045.47-21.4020126.8N45W48.00-24EBN, TO SWHARD GALESRAIN, AM HAIL0100010108428
1796-11-28T13:0045.90-22.2520126.8N45W36.00-24ENE, SWHARD GALESRAIN0100000108429
1796-11-29T13:0046.22-22.254426.8N45W36.00-24ENEHARD GALESRAIN0100000108430
1796-11-30T14:0046.82-23.074426.8N45W48.00-24ENEHARD GALESRAIN0100000108431
1796-12-01T14:0047.25-23.67201N42W36.00-24EBN, SWSQUALLYRAIN0100000108432
1796-12-02T14:0047.83-23.676226.8N36.00-28EHARD GALESCLOUDY0000000108433
1796-12-03T14:0048.45-23.183626.7NNE1/2E42.00-28VARIABLEMODERATECLOUDY WEATHER0000000108434
1796-12-04T14:0048.50-22.853626.7NEBE1/2E15.00-28VARIABLEMODERATECLEAR0000000108435
1796-12-05T13:0049.50-22.183626.7NNE1/4E62.00-27VARIABLEMODERATECLEAR0000000108436
1796-12-06T13:0050.45-20.73866.7NE78.00-27ESEMODERATECLEAR0000000108437
1796-12-07T13:0051.18-18.101319.3ENE109.00-27SE, SSEFRESH BREEZES AND SQUALLY0000000108438
1796-12-08T13:0052.52-15.95959.3NE114.00-29SEBEFRESH BREEZES AND SQUALLY0000000108439
1796-12-09T13:0052.50-15.671082.6ENE1/2E42.00-27SELIGHT BREEZESCLOUDY WEATHER0000000108440
1796-12-10T13:0051.22-16.881086.7SSW3/4W89.00-27SEMODERATECLEAR WEATHER0000000108441
1796-12-11T13:0051.83-15.351089.3NEBE69.00-27SEFRESH BREEZESCLOUDY WEATHER0000000108442
1796-12-12T13:0050.53-14.0541SEBS92.00-27E, ENESQUALLY WEATHERRAIN0100000108443
1796-12-13T13:0051.70-12.5786NE1/2N91.00-27ESESQUALLY WEATHERRAIN0100000108444
1796-12-14T13:0050.92-11.953626.7SSE1/4E52.00-26VARIABLEMODERATECLOUDY0000000108445
1796-12-15T13:0049.92-10.8036219.0SEBS75.00-26VARIABLEFRESH GALESCLOUDY0000000108446
1796-12-16T13:0049.50-10.40429.3SEBS1/4S26.00-26ENEFRESH BREEZESCLOUDY0000000108447
1796-12-17T13:0049.53-10.48879.3N3/4E7.00-26ENE, ESEFRESH BREEZESCLOUDY0000000108448
1796-12-18T13:0050.83-10.151549.3NBE1/4E60.00-26ESE, SFRESH BREEZESRAINCLOUDY0100000108449
1796-12-19T13:0050.25-8.72362ESE3/4E57.00-26VARIABLETHICK FOGGY WEATHER0010000108450
1796-12-20T12:0049.33-6.13269ESE118.00-24WNWTHICK FOGGY WEATHER0010000108451
1796-12-21T12:0049.82-4.323629.31ENE77.00-24VARIABLEFRESH BREEZESRAIN0100000108452