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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 REGULUS cruise from Cork to Barbados started at 1796-10-25 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751719, 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: 28.486786 * Median Longitude: -28.504643 * South-bound Latitude: 12.880000 * West-bound Longitude: -59.000000 * North-bound Latitude: 49.200000 * East-bound Longitude: -7.330000
Date/Time Start: 1796-10-25T12:00:00 * Date/Time End: 1796-11-21T16:00:00
Event(s):
Regulus_17961025_NMM_ADM/L/R81 * Latitude Start: 50.630000 * Longitude Start: -10.420000 * Latitude End: 14.850000 * Longitude End: -59.680000 * Date/Time Start: 1796-10-25T00:00:00 * Date/Time End: 1796-11-21T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Regulus (5th Rate Frigate), Voyage: Cork - Barbados, 1st Observer: William Carthew (Captain), Company: Royal Navy, Other ship information: 44G 879BM
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 ClearnessClearness
16 GustsGusts1 If wind gusts are reported
17 Precipitation/RainRain1 If rain was reported
18 FogFog1 If fog was reported
19 Snow typeSnow1 If snow was reported
20 ThunderThunder1 If thunder and or lightning was reported
21 HailHail1 If hail was reported
22 Sea iceSea ice1 If sea-ice or icebergs were reported
23 CommentComment
24 IdentificationIDCLIWOC 2.1 line number
Size:
497 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 
Clearness
16 
Gusts
(1 If wind gusts are reported)
17 
Rain
(1 If rain was reported)
18 
Fog
(1 If fog was reported)
19 
Snow
(1 If snow was reported)
20 
Thunder
(1 If thunder and or lightning...)
21 
Hail
(1 If hail was reported)
22 
Sea ice
(1 If sea-ice or icebergs were...)
23 
Comment
24 
ID
(CLIWOC 2.1 line number)
1796-10-25T12:0049.20-7.33314LIZARDNBE1S66W106.00-24NE, ESE, NNWPM FRESH BREEZESPM CLEAR0000000208364
1796-10-26T13:0048.32-9.2587LIZARDEBN62N86W115.00-26SE, ESEPM LIGHT AIRSPM CLOUDY0000000208365
1796-10-27T13:0047.82-12.1287ST MARYSS41W329S52W147.00-26S, ESEPM LIGHT AIRSPM CLOUDY0000000208366
1796-10-28T13:0046.10-12.42559.3ST MARYSS37W231S77W103.00-24ENE, EBNPM LIGHT AIRS, AM FRESH BREEZES AND SQUALLYPM CLOUDY0000000208367
1796-10-29T13:0045.22-12.9777ST MARYSS45W180S24W58.00-24ESE, EBSPM FRESH BREEZES AND SQUALLYPM RAIN0100000208368
1796-10-30T13:0043.40-13.27359ST MARYSS64W194S7W109.00-24NE, EBN, NNEPM MODERATE BREEZES0000000208369
1796-10-31T13:0042.28-13.4334ST MARYSS52W164S6W67.00-22NE, NEBEPM MODERATE BREEZES0000000208370
1796-11-01T13:0040.02-14.5391ST MARYSS62W130S27W15.00-22ESEPM MODERATE BREEZESPM CLOUDY0000000208371
1796-11-02T13:0037.13-16.2393ST MARYSS74W94S25W19.00-20ESEPM FRESH BREEZESPM CLOUDY WEATHER0000000208372
1796-11-03T13:0035.55-16.5593BARBADOSSW862S10W96.00-20ENE, SEBS, ESEPM MODERATE BREEZESPM CLEAR WEATHER0000000208373
1796-11-04T13:0033.67-18.0748BARBADOSS60W821S82W145.00-20NNE, ENEPM FRESH BREEZES AND SQUALLY WEATHER0000000208374
1796-11-05T13:0031.18-20.1227BARBADOSS64W772S35W186.00-18NEBE, NEPM FRESH BREEZES AND SQUALLY WEATHER0000000208375
1796-11-06T14:0028.62-22.50342BARBADOSS64W715S39W199.00-18NE, NPM FRESH BREEZES AND SQUALLY WEATHER0000000208376
1796-11-07T14:0026.40-24.7041BARBADOSS66:40W669S37W161.00-15ENE, NEBEPM FRESH BREEZES AND SQUALLY WEATHER0000000208377
1796-11-08T14:0024.52-26.2541BARBADOSS68W618S37W142.00-15NE, NEBEPM FRESH BREEZES AND SQUALLY WEATHER0000000208378
1796-11-09T14:0023.02-27.78100BARBADOSS70W590S42W124.00-13EBN, ESEPM MODERATE BREEZESPM HAZY WEATHER0000000208379
1796-11-10T14:0021.53-29.7357BARBADOSS72W548S51W141.00-12ENEPM FRESH BREEZESPM CLOUDY WEATHER0000000a trivial correction was made in this observation208380
1796-11-11T14:0019.97-31.8057BARBADOSS73W523S51W150.00-12SSW, ENEPM FRESH BREEZESPM CLOUDY WEATHER0000000208381
1796-11-12T14:0018.83-34.707019.0BARBADOSS75W467WSW179.00-9EBNPM FRESH BREEZES, AT 8 FRESH GALES AND SQUALLYAT 8 RAIN0100000208382
1796-11-13T15:0017.88-37.7072BARBADOSS76W427S71W170.00-7EBNPM FRESH BREEZESAM RAIN0100000208383
1796-11-14T15:0017.02-40.4596BARBADOSS77W388S72W167.00-5EBSPM FRESH BREEZESPM CLOUDY0000000208384
1796-11-15T15:0016.25-43.1298BARBADOSS76W342S78W160.00-3EBSPM FRESH BREEZES0000000208385
1796-11-16T15:0015.60-45.8076BARBADOSWBS279S76W160.00-3ENE, EBNPM FRESH BREEZES0000000208386
1796-11-17T15:0014.98-48.3378BARBADOSS79W229S76W152.00-1EBNPM FRESH BREEZES0000000208387
1796-11-18T15:0014.17-50.9278BARBADOSS82W175S72W158.00-1EBNPM FRESH BREEZESPM CLOUDY0000000208388
1796-11-19T16:0013.05-53.38114BARBADOSW126S65W159.001ESEPM FRESH BREEZESPM CLOUDY0000000208389
1796-11-20T16:0012.88-55.6891BARBADOSW1/2N76S86W134.001EPM FRESH BREEZESPM CLOUDY0000000208390
1796-11-21T16:0013.02-59.0093BARBADOSW18N86:30W149.003EPM FRESH BREEZESPM CLOUDY0000000208391