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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 BELLEISLE cruise from Madeira to St. Helena started at 1778-08-12 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.747622, 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: -21.987436 * Median Longitude: -13.909231 * South-bound Latitude: -32.830000 * West-bound Longitude: -25.030000 * North-bound Latitude: -1.270000 * East-bound Longitude: 0.180000
Date/Time Start: 1778-08-12T13:00:00 * Date/Time End: 1778-09-19T12:00:00
Event(s):
Belle_Isle_17780812_NMM_ADM/L/B52 * Latitude Start: 32.130000 * Longitude Start: -16.570000 * Latitude End: -15.890000 * Longitude End: -5.750000 * Date/Time Start: 1778-08-12T00:00:00 * Date/Time End: 1778-09-19T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Belleisle (3rd Rate Frigate), Voyage: Madeira - St Helena, 1st Observer: John Brooks (Captain), 2nd Observer: Adoniah Schuyler (2nd Officer/Lieutenant), Company: Royal Navy, Other ship information: 64G 1494BM
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 CommentComment
25 IdentificationIDCLIWOC 2.1 line number
Size:
731 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 
Comment
25 
ID
(CLIWOC 2.1 line number)
1778-08-12T13:00-1.27-16.971136.7ASCENSIONS23:29E130S26W118.00-11SBEMODERATE BREEZESFAIR000000027513
1778-08-13T13:00-2.97-17.281136.7ASCENSIONS31:23E110S11W104.00-11SEMODERATE BREEZESFAIR000000027514
1778-08-14T13:00-4.40-17.871616.7ASCENSIONS46:59E96SSW86.00-8SEMODERATEFAIR000000027515
1778-08-15T13:00-6.17-18.221619.3ASCENSIONS63:33E77S1/2W111.00-8SBEFIRST PART MODERATE, LATTER FRESH BREEZES AND SQUALLYFIRST PART FAIR000000027516
1778-08-16T13:00-8.17-18.221179.3ASCENSIONN82:30E77S120.00-7SEFRESH BREEZESCLOUDY000000027517
1778-08-17T13:00-9.85-18.951399.3ASCENSIONN64:17E101SSW116.00-7SEFRESH BREEZESCLOUDY000000027518
1778-08-18T13:00-11.53-19.651179.3ASCENSIONN53:33E130SSW110.00-7SE, SBEFRESH BREEZES AND SQUALLY AT TIMES000000027519
1778-08-19T13:00-13.60-19.97959.3TRINIDADES55:29W244S9W126.00-6SEBEFRESH BREEZES AND SQUALLY AT TIMES000000027520
1778-08-20T13:00-15.52-20.352199.3TRINIDADES61:32W209SSW118.00-6E, SEBE,FRESH BREEZESCLOUDY000000027521
1778-08-21T13:00-16.97-20.501186.7TRINIDADES63:21W184S6W88.00-6ESE, EBSMODERATE BREEZESFAIR000000027522
1778-08-22T13:00-18.18-20.801191.0MARTINVIZS77:15W119S13W75.00-5SEBELIGHT AIRSFAIR000000027523
1778-08-23T13:00-18.43-21.1016419.0MARTINVIZS78:29W107S49W24.00-5SSEFIRST PART LIGHT AIRS, LATTER FRESH GALES AND SQUALLYFIRST PART FAIR000000027524
1778-08-24T13:00-19.27-21.9713019.0MARTINVIZS87:07W93SW71.00-5ESEFRESH GALESHAZY000000027525
1778-08-25T14:00-20.18-22.6011122.6ST MARIAN49E59S42W57.00-2SEBESTRONG GALES AND SQUALLY000000027526
1778-08-26T14:00-22.20-24.3012219.0ST MARIAN67:13E114S38W154.00-2SEBEFRESH GALES AND SQUALLY000000027527
1778-08-27T14:00-24.08-24.6711219.0ASSENCIAN46W98S10W115.00-1EFRESH GALES AND SQUALLY000000027528
1778-08-28T14:00-26.47-25.0312319.0ASSENCIAN28:42W172S8W145.00-1EBSFRESH GALES AND SQUALLY000000027529
1778-08-29T14:00-28.93-24.057919.0TRISTAN DE CUNAS47:35E242S22E160.000EFRESH GALES AND SQUALLY000000027530
1778-08-30T13:00-30.92-22.004219.0TRISTAN DE CUNASSE169.00-3NBEFRESH GALES AND SQUALLY000000027531
1778-08-31T13:00-30.98-19.0029019.0ST HELENAN37:54E487S88E154.00-3NFRESH GALES AND SQUALLY000000027532
1778-09-01T13:00-30.80-16.851309.3ST HELENAN33:03E353N84E111.00-5WFRESH BREEZES AND SQUALLYRAIN AT TIMES010000027533
1778-09-02T13:00-31.22-17.351309.3ST HELENAN33:49E366SW36.00-5SEBEFRESH BREEZES AND SQUALLY000000027534
1778-09-03T13:00-31.38-15.521641.0ST HELENAN30:04E384S84E95.00-5SSWLIGHT AIRSFAIR000000027535
1778-09-04T13:00-31.55-13.702996.7ST HELENAN23:35E339S84E95.00-5SE1/2EMODERATE BREEZESHEAVY SWELL FROM SWCLOUDY000000027536
1778-09-05T13:00-31.55-9.902179.3ST HELENAN11:03E318E190.00-8NWBN, NWFRESH BREEZES AND SQUALLY000000027537
1778-09-06T13:00-31.88-9.08939.3ST HELENAN9:24E322S64E45.00-8SSW, EFRESH BREEZESCLOUDY000000027538
1778-09-07T13:00-32.83-10.7011719.0ST HELENAN13:29E346S38W72.00-7SEBEFRESH GALES AND SQUALLYRAIN010000027539
1778-09-08T13:00-32.50-9.602179.3ST HELENAN10:30E334N71E62.00-8NBEFRESH BREEZESCLOUDY000000027540
1778-09-09T12:00-32.48-7.252709.3ST HELENAN3:26E330N87E122.00-11WFRESH BREEZESHAZY000000027541
1778-09-10T12:00-31.60-4.831249.3ST HELENAN15:28E323N69E132.00-11WFRESH BREEZESHAZY000000027542
1778-09-11T12:00-31.12-4.071922.6ST HELENAN7:34W303N48E53.00-11SEBELIGHT BREEZESCLEAR000000027543
1778-09-12T12:00-29.43-2.602149.3ST HELENAN13:58W277N33E114.00-11WBS, WFRESH BREEZESCLOUDY000000027544
1778-09-13T12:00-27.55-1.851229.3ST HELENAN19:20W267N19E120.00-13SBWFRESH BREEZESCLOUDY000000027545
1778-09-14T12:00-26.08-1.22769.3ST HELENAN24:53W222N19E93.00-14SSE, EBSFRESH BREEZES AND SQUALLYRAIN AT TIMES010000027546
1778-09-15T12:00-23.67-0.67999.3ST HELENAN34:20W186N11E148.00-14ESEFRESH BREEZESHAZY000000027547
1778-09-16T12:00-21.00-0.171209.3ST HELENAN48:57W153N10E162.00-15SEFRESH BREEZESRAIN AT TIMESHAZY010000027548
1778-09-17T12:00-18.430.18989.3ST HELENAN64:46W113N7E157.00-15ESEFRESH BREEZESHAZY000000027549
1778-09-18T12:00-16.25-0.581199.3ST HELENAN2:47WN10W133.00-16ESEFRESH BREEZESHAZY0000000a trivial correction was made in this observation27550
1778-09-19T12:00-16.10-3.201219.3ST HELENAN86WN86W129.00-14SEFRESH BREEZESHAZY0000000a trivial correction was made in this observation27551