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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 SEAFORD cruise from Table Bay to Plymouth started at 1765-02-07 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752049, 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: 8.003699 * Median Longitude: -14.883836 * South-bound Latitude: -33.130000 * West-bound Longitude: -38.380000 * North-bound Latitude: 49.520000 * East-bound Longitude: 17.220000
Date/Time Start: 1765-02-07T00:00:00 * Date/Time End: 1765-05-16T13:00:00
Event(s):
Seaford_17650207_NMM_ADM/L/S203 * Latitude Start: -34.430000 * Longitude Start: 16.950000 * Latitude End: 50.299000 * Longitude End: -4.150000 * Date/Time Start: 1765-02-07T00:00:00 * Date/Time End: 1765-05-16T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Seaford (6th Rate Frigate), Voyage: Table Bay - Plymouth, 1st Observer: John Peighin (Captain), 2nd Observer: Thomas Appleby (1st Officer/Master), Company: Royal Navy, Other ship information: 20G 430BM
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 CommentCommentOther remarks, that were not possible to put in the other remark fields
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 CommentComment
29 IdentificationIDCLIWOC 2.1 line number
Size:
1459 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 
Comment
(Other remarks, that were not ...)
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 
Comment
29 
ID
(CLIWOC 2.1 line number)
1765-02-07T00:0022519.0CAPE BONA ESPERANCES1/4W6SBE, SSW, SBE, SWFRESH GALESFIRST PART CLOUDY HAZY WEATHER, MIDDLE AND LATTER0000000233346
1765-02-08T00:003622.6CAPE BONA ESPERANCES46E29SW, SBW, S, VARIABLEFIRST PART MODERATE, MIDDLE AND LATTER LITTLE WINDFIRST PART HAZY, MIDDLE AND LATTER CLEAR0000000233347
1765-02-09T11:00-33.1317.222076.7CAPE BONA ESPERANCES42E51N46W88.00-18VARIABLE, WNW, SWFIRST PART LIGHT AIRS INCLINING TO CALM, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER FOGGYMIDDLE AND LATTER CLOUDY0010000233348
1765-02-10T11:00-30.9314.911951.0CAPE BONA ESPERANCES41E39N39W95.00-19SW, SWBSFIRST AND LATTER PARTS LIGHT AIRS, MIDDLE FRESH GALESMIDDLE FOGGYFIRST AND LATTER PARTS HAZY0010000233349
1765-02-11T11:00-29.3013.5216115.4CAPE BONA ESPERANCES41E127N39W122.00-19SW, SMODERATE GALESHAZY0000000a trivial correction was made in this observation233350
1765-02-12T11:00-27.4711.8217419.0CAPE BONA ESPERANCES40E173NW1/2N142.00-17S, SBWFRESH GALESSWELL FROM SCLOUDY0000000233351
1765-02-13T11:00-26.2210.921526.7CAPE BONA ESPERANCES39E205N39W90.00-17SBW, SBEMODERATECLOUDY0000000233352
1765-02-14T11:00-24.629.5914119.0CAPE BONA ESPERANCES39E248N39W120.00-17SBE, SSEFIRST PART LIGHT BREEZES, RESIDUE FRESH GALESFIRST PART CLOUDY0000000233353
1765-02-15T11:00-22.807.9214119.0CAPE BONA ESPERANCES39E293N39W144.00-17SSEFRESH GALESCLOUDY0000000a trivial correction was made in this observation233354
1765-02-16T12:00-21.426.671426.7CAPE BONA ESPERANCES39E331N39W108.00-16SSEFIRST PART FRESH GALES, RESIDUE MODERATECLOUDY0000000233355
1765-02-17T12:00-20.175.691306.7CAPE BONA ESPERANCES39E363N36W93.00-16SSE, SEBSMODERATECLOUDY0000000233356
1765-02-18T12:00-18.784.941306.7CAPE BONA ESPERANCES39E287N36W94.00-16SEBSMODERATECLOUDY0000000233357
1765-02-19T12:00-17.803.621536.7CAPE BONA ESPERANCES40E427N51W108.00-16SBE, SBW, SBEFIRST AND LATTER PARTS MODERATE, MIDDLE FRESH GALESFIRST PART LATTER CLOUDY, MIDDLE VERY DARK AND CLO0000000233358
1765-02-20T12:00-16.732.061316.7CAPE BONA ESPERANCES41E448N54W110.00-15SBE, SSE, SEBSFIRST AND LATTER PARTS MODERATE, RESIDUE FRESH GALESRAIN AT TIMESCLOUDY0100000233359
1765-02-21T12:00-16.100.1212019.0CAPE BONA ESPERANCES43E496N67W122.00-15SEBE, SEFIRST AND MIDDLE PARTS MODERATE, LATTER FRESH GALESFOLLOWING SEAFIRST AND MIDDLE PARTS CLOUDY0000000233360
1765-02-22T12:00-16.13-2.0410919.0CAPE BONA ESPERANCES46E528N87W125.00-15SEBEFRESH GALESCLOUDY0000000233361
1765-02-23T12:00-16.02-3.431466.7CAPE BONA ESPERANCES49E55N87W80.00-12SEBE, SSEMODERATECLOUDY0000000233362
1765-03-06T12:00-14.72-6.871126.7ST HELENAS40E35N40W104.00-12E, SEBEMODERATECLOUDY0000000233363
1765-03-07T13:00-13.30-7.9580ST HELENAS39E67N36W106.00-10ENE, EFIRST PART LITTLE WINDCLOUDY0000000233364
1765-03-08T13:00-12.20-8.681356.7ST HELENAS37E95N34W80.00-11SEBE, SEBSMODERATECLEAR0000000233365
1765-03-09T13:00-11.20-9.581476.7ST HELENAS38E122N39W80.00-11SE, SSEMODERATEFIRST PART CLEAR, THE RESIDUE VERY CLOUDY0000000233366
1765-03-10T13:00-9.97-10.581476.7ST HELENAS38E153N41W96.00-11SSEMODERATECLEAR0000000233367
1765-03-11T13:00-8.82-11.581476.7ST HELENAS39E184N41W90.00-11SSEMODERATECLEAR0000000233368
1765-03-12T13:00-7.83-12.471246.7ST HELENAS40E214N46W86.00-11SSE, SEMODERATECLOUDY0000000233369
1765-03-13T13:00-6.55-13.821266.7ST HELENAS40E247N42W104.00-9SEMODERATECLOUDY0000000233370
1765-03-14T13:00-5.25-15.001496.7ST HELENAS40E282N42W106.00-9SSEMODERATECLOUDY0000000233371
1765-03-15T13:00-3.93-16.181376.7ST HELENAS41E317N42W108.00-9SEBSMODERATECLOUDY0000000233372
1765-03-16T13:00-2.52-17.471266.7ST HELENAS41E356N42W116.00-9S, SEMOST PART MODERATE, EVENING SQUALLY AT TIMESEVENING RAINMOST PART CLOUDY0100000233373
1765-03-17T13:00-1.67-18.181612.6ST HELENAS40E374N40W67.00-8SBEFIRST PART MODERATE, RESIDUE LITTLE WINDCLOUDY0000000233374
1765-03-18T13:00-0.80-18.30930.6ST HELENAS39E393N8W57.00-8S, SBE, EBSLIGHT AIRS INCLINING TO CALM0000000233375
1765-03-19T13:000.08-18.401722.6ST HELENAS38E408N7W51.00-8SSW, SLITTLE WINDLIGHTNING TO THE NCLOUDY0000100233376
1765-03-20T13:001.00-18.551500.6ST HELENAS37E425N9W56.00-8SBE, S, SSELITTLE WIND AT NOON INCLINABLE TO CALMCLOUDY0000000233377
1765-03-21T13:001.20-18.571950.0ST HELENAS36E428N7W12.00-8SSE, VARIABLE, SSWFIRST PART LIGHT AIRS AND CALM, RESIDUE CALM WITH LIGHT AIRSRESIDUE INTERVALS DRIZZLING RAINFIRST PART DARK CLOUDY WEATHER0100000233378
1765-03-22T13:001.53-18.651721.0ST HELENAS36E434N13W22.00-8W, VARIABLE, SLIGHT AIRS WITH CALMS AT TIMESLIGHTNING FROM THE NNWRAIN IN SQUALLSSWELL FROM N1100100233379
1765-03-23T13:002.17-18.88602.6ST HELENAS35E447N20W41.00-8CALM, SE, ENEFIRST PART LIGHT AIRS AND CALMS, THE REST LITTLE WIND AND VARIABLELIGHTNING IN THE NW0000100233380
1765-03-24T13:003.20-19.17606.7ST HELENAS38:28E467N14W64.00-8ENE, VARIABLE, ENEMODERATERAIN AT TIMESSWELL FROM SVERY THICK CLOUDY WEATHER0100000233381
1765-03-25T13:003.83-19.35606.7ST HELENAS34:00E479N12W39.00-8ESE, SBE, VARIABLE, ENEMODERATELIGHTNING IN THE NWHEAVY SHOWERS OF RAINSWELL FROM SVERY THICK CLOUDY WEATHER1100100233382
1765-03-26T13:004.38-19.52151.0ST HELENAS33:43E490N19W35.00-8ENE, ESE, VARIABLE, NNELIGHT AIRS AND CALMRAIN AT TIMESSWELL FROM STHICK CLOUDY WEATHER0100000233383
1765-03-27T13:005.08-20.20480.6ST HELENAS34:00E509N43W58.00-8NEBN, N, NEBEFIRST AND MIDDLE PARTS LITTLE WIND, LATTER LIGHT AIRS INCLINING TO CALMCONFUSED SWELLFIRST AND MIDDLE PARTS CLOUDY0000000233384
1765-03-28T13:005.12-20.231161.0ST HELENAS34:40E513N84W21.00-8VARIABLE, N-SEBELIGHT AIRS AND CALMLIGHTNING TO THE NCONFUSED SWELLDARK CLOUDY WEATHER0000100233385
1765-03-29T13:005.17-20.953520.0ST HELENAS35E518N80W22.00-8NNE, ENE, VARIABLE, NNW3/2 FATHOMSMAJOR PART LIGHT AIRS TILL TOWARDS THE LATTER CALMLATTER THUNDER AND LIGHTNINGLATTER RAINCONFUSED SWELLMAJOR PART CLOUDY THEN DARK THICK WEAHER0100100233386
1765-03-30T13:005.38-21.371611.0ST HELENAS35:53E527N65W33.00SHIPS HEAD ALL ROUND THE COMPASS-8N, NBW, VARIABLE, SBELIGHT AIRS AND CALMSLIGHTNING IN THE SERAIN AT TIMESDARK THICK WEATHER0100100233387
1765-03-31T14:005.85-22.633546.7ST HELENAS37E549N69W73.00-6VARIABLE, N69W, NFIRST AND MIDDLE PART LITTLE WIND, LATTER MODERATESWELL FROM NE, A GREAT RIPLING ROUND THE SHIPCLOUDY, AT NOON CLEAR0000000233388
1765-04-01T14:006.43-23.82286.7ST HELENAS38:27E573N63W81.00-6NEBE, NEBNMODERATECLOUDY0000000233389
1765-04-02T14:007.07-24.68506.7ST HELENAS39E593N54W64.00-6NE, NEBEMODERATESWELL FROM THE NECLOUDY0000000233390
1765-04-03T14:007.48-25.48502.6ST HELENAS39:38E610N61W54.00-6NEBN, NE, NEBELIGHT WINDS TILL TOWARDS NOON THEN MODERATE BREEZESSWELL FROM THE NEHAZY TILL TOWARDS NOON THEN CLOUDY0000000233391
1765-04-04T14:008.08-26.37276.7ST HELENAS40E630N54W64.00-7NE, NEBNMODERATECLOUDY0000000233392
1765-04-05T14:008.62-27.03386.7ST HELENAS40:26E646N51W51.00-7NEBN, NEFIRST PART LIGHT AIRS AND CALM, RESIDUE MODERATECLOSERESIDUE CLOSE HAZY WEATHER0000000233393
1765-04-06T14:009.53-28.07516.7ST HELENAS40:44E674N48W83.00-5NE, NEBEMODERATELARGE SWELL FROM NECLOUDY0000000233394
1765-04-07T14:0010.87-28.856319.0ST HELENAS40:00E704N30W93.00-5NE, NEBE, ENEFRESH GALESUGLY CONFUSED SWELL FROM NCLOUDY HAZY WEATHER0000000233395
1765-04-08T14:0012.05-29.77406.7ST HELENAS39:40E730N73W89.00-5NEBE, NEMODERATESWELL FROM NECLOUDY HAZY WEATHER0000000233396
1765-04-09T14:0012.93-30.87506.7ST HELENAS40E766N51W87.00-6NEBEMODERATECLOUDY HAZY WEATHER0000000233397
1765-04-10T14:0013.97-32.20506.7ST HELENAS40E783N45W87.00-6NE, NEBEMODERATECLOUDY HAZY WEATHER0000000233398
1765-04-11T14:0015.18-32.93526.7ST HELENAS40:36E820N42W100.00-4NE, NEBEFIRST AND LATTER PARTS MODERATE, MIDDLE FRESH GALESCLOUDY0000000233399
1765-04-12T14:0017.00-34.705219.0ST HELENAS40E858N31W125.00-4NEBEFRESH GALESSWELL FROM NECLOUDY HAZY WEATHER0000000233400
1765-04-13T14:0018.72-35.456319.0ST HELENAS43E902N33W124.00-5NEBE, ENEFRESH GALESSWELL FROM NECLOUDY HAZY WEATHER0000000233401
1765-04-14T14:0020.33-35.984019.0ST HELENAS39:25E943N22W112.00-5NEBE, ENE, NEFRESH GALES WITH FLYING SQUALLS AT TIMESA SWELL FROM NEHAZY0000000233402
1765-04-15T15:0022.00-37.504219.0ST HELENAS39:14E981N35W115.00-3NE, NEBE, ENE, NEFIRST PART MODERATE, RESIDUE FRESH GALES AND FLYING SQUALLS AT TIMESSWELL FROM NEFIRST PART CLOUDY0000000233403
1765-04-16T15:0023.95-38.386319.0ST HELENAS38:44E1024N25W130.00-5NEBE, ENEFRESH GALESSWELL FROM NECLOUDY0000000233404
1765-05-01T14:0042.33-31.1514419.0ST HELENAS23:41E1272N54E93.00-14SW, SSEFIRST AND MIDDLE PARTS MODERATE, LATTER FRESH GALESFIRST AND MIDDLE CLOUDY, LATTER THICK FOGGY WEATHE0010000233405
1765-05-02T14:0043.53-28.7520819.0ST HELENAS21:21E1279N56E130.00-17SSE, SBW, SWFRESH GALESDARK CLOUDY WEATHER0000000233406
1765-05-03T14:0044.87-26.0014019.0ST HELENAS19:19E1290N59E141.00-18SW, VARIABLE, S, SSEFRESH GALES0010000233407
1765-05-04T14:0046.08-22.9816219.0ST HELENAS17:43E1303N58E140.00-18WSW, SSW, SFRESH GALESCLOUDY TIL TOWARDS THE LATTER THEN HAZY AND THICK0000000233408
1765-05-05T13:0046.88-20.2617219.0ST HELENA-19S, SSW, S, SBWFRESH GALES0000000233409
1765-05-06T13:0047.67-17.4715919.0ST HELENAS13:26E1318N75E72.00-21S, SBW, SFRESH GALESCLOUDY0000000233410
1765-05-07T13:0048.47-14.721372.6ST HELENAS12:24E1328N71E65.00-21SSW, VARIABLE, SSEFIRST PART FRESH GALES, RESIDUE LIGHT BREEZESCLOUDY0000000233411
1765-05-08T13:0049.52-14.181036.7ST HELENAS11:55E1339N19E66.00-21SE, ESE, SEBEFIRST PART LIGHT AIRS, RESIDUE MODERATECLOUDY0000000233412
1765-05-09T13:0048.45-14.10806.7ST HELENAS11:59E1324S6E44.00-21ESE, SEBE, EBSMODERATECLOUDY0000000233413
1765-05-10T13:0049.17-13.75926.7ST HELENAS11:27E1331N32E28.00-21SEBE, SE, ESEMODERATESWELL FROM SECLOUDY - 4AM DARK CLOUDY WEATHER0000000233414
1765-05-11T13:0048.98-13.37806.7ST HELENAS11:35E1327S56E21.00-21ESE, EBS, E, EBSMODERATECLOUDY -0000000233415
1765-05-12T13:0049.50-12.9210319.0ST HELENAS11:10E1335N30E37.00-21E, SEBEFRESH GALESCLOUDY0000000233416
1765-05-13T13:0048.85-12.455919.0ST HELENAS11:00E1321S27E43.00-20SEBE, E, EBNMODERATE, AT NOON FRESH GALESLARGE SWELL FROM SE, AT NOON A HEAD SEAHAZY0000000233417
1765-05-14T13:0049.40-12.321046.7ST HELENAS10:48E1332N12E35.00-20EBN, EBS SEBEMODERATESWELL FROM ECLOUDY, AT NOON THICK HAZY WEATHER0000000233418
1765-05-15T13:0049.30-10.873296.7ST HELENAS10:00E1326S84E59.00-20EBS, VARIABLE, NE, NBWFIRST PART LITTLE WIND, RESIDUE MODERATERESIDUE DRIZZLING RAIN AT TIMESFIRST PART THICK HAZY WEATHER0100000233419
1765-05-16T13:0049.45-9.5534019.0ST HELENAS9:00E1325N81E59.00-20NBE, ENE, EBN, NFIRST AND MIDDLEP ARTS LITTLE WIND, LATTER FRESH GALESLATTER DRIZZLING RAINLATTER GREAT HEAD SWELLFIRST AND MIDDLE PARTS CLOUDY0100000233420