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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 LAUREL cruise from Cork to Barbados started at 1796-03-21 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.750355, 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: 31.322941 * Median Longitude: -28.883529 * South-bound Latitude: 13.750000 * West-bound Longitude: -57.420000 * North-bound Latitude: 50.630000 * East-bound Longitude: -10.420000
Date/Time Start: 1796-03-21T13:00:00 * Date/Time End: 1796-04-23T16:00:00
Event(s):
Laurel_17960321_NMM_ADM/L/L55 * Latitude Start: 50.630000 * Longitude Start: -10.420000 * Latitude End: 14.850000 * Longitude End: -59.680000 * Date/Time Start: 1796-03-21T00:00:00 * Date/Time End: 1796-04-23T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Laurel (6th Rate Frigate), Voyage: Cork - Barbados, 1st Observer: Robert Rolles (Captain), Company: Royal Navy, Other ship information: 22G 423BM
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 IdentificationIDCLIWOC 2.1 line number
Size:
624 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 
ID
(CLIWOC 2.1 line number)
1796-03-21T13:0050.63-10.4275OLD HEAD OF KINSALEN49E27S49W80.00-26EBSPM FRESH BREEZESPM CLOUDY WEATHER0000000145424
1796-03-22T13:0050.17-13.82108ST MICHAELSS34W297S61W207.00-27SEPM MODERATE BREEZESA HEAVY SWELL FROM THE ESEPM CLOUDY0000000145425
1796-03-23T13:0048.27-15.93119ST MICHAELSS34W259S36W141.00-27SEBSPM FRESH BREEZESPM CLOUDY0000000145426
1796-03-24T13:0046.22-17.8377ST MICHAELSS31:45W195S32W146.00-24EBSPM FRESH BREEZESPM CLOUDY0000000145427
1796-03-25T13:0044.18-19.40556.7ST MICHAELSS39W167S29W140.00-24EBNAT NOON MODERATE BREEZES0000000145428
1796-03-26T13:0042.55-20.7077S30W113.00-24EBSPM FRESH BREEZESPM CLOUDY WEATHER0000000145429
1796-03-27T13:0041.15-21.2857ST MICHAELSWSW94S30W62.00-22EBNPM MODERATE BREEZESAT MIDNIGHT RAINPM CLOUDY WEATHER, AT MIDNIGHT CLOUDY0100000145430
1796-03-28T13:0040.00-21.9257ST MICHAELSS52:30W72SSW77.00-22EBNPM MODERATE BREEZESPM CLOUDY WEATHER0000000145431
1796-03-29T13:0039.48-21.75362MADEIRAS26:30E194S14E30.00-22VARIABLEPM LIGHT WINDS, AT MIDNIGHT CALMPM CLOUDY WEATHER, AT MIDNIGHT CLOUDY0000000145432
1796-03-30T14:0039.50-23.272049.3ST MICHAELSS47W49W70.00-21SWPM MODERATE BREEZES, AT NOON FRESH BREEZESPM CLOUDY WEATHER, AT NOON HAZY WEATHER0000000145433
1796-03-31T14:0039.20-22.702046.7MADEIRAS33E158S56E32.00-21SWAT 4 FRESH BREEZES, AT 10 FRESH GALES, AT 10AM MODERATE BREEZESAT 4 RAINAT 10AM THICK WEATHER0100000145434
1796-04-01T13:0037.95-21.7736212.3MADEIRAS36E135S25E103.00-22VARIABLEPM FRESH BREEZES, AM STRONG BREEZES AND SQUALLYPM HAZY WEATHER0000000145435
1796-04-02T13:0037.33-21.483622.6MADEIRAS40E115S21E39.00-20VARIABLEPM MODERATE BREEZES, AT 8 LIGHT BREEZESPM CLEAR WEATHER, AT 8 CLEAR0000000145436
1796-04-03T13:0036.83-20.77205MADEIRASSE1/2E76S48E47.00-20SWPM LIGHT BREEZESPM CLEAR0000000145437
1796-04-04T13:0035.60-21.003626.7BARBADOSS57:17W83S9W74.00-20VARIABLEPM MODERATE BREEZES, AM MODERATEPM CLEAR, AM CLOUDY0000000145438
1796-04-05T13:0034.67-21.5525MADEIRAS58E82S25W64.00-20NEPM MODERATE BREEZESPM CLEAR0000000145439
1796-04-06T13:0033.57-22.282959.3MADEIRAS78E32S29W76.00-20NWPM LIGHT BREEZES, AM FRESH BREEZESPM CLEAR, AM CLEAR0000000145440
1796-04-07T14:0031.85-23.023629.3BARBADOSS61W771SBW3/4W109.00-17VARIABLEPM MODERATE BREEZES, AT NOON FRESH BREEZES AND SQUALLYAT NOON RAINPM CLEAR0100000145441
1796-04-08T14:0030.20-25.2528BARBADOSS62W725S49W151.00-17NEPM FRESH BREEZES AND SQUALLY WEATHER, STRONG BREEZES AND SQUALLY DURING THE NIGHT0000000145442
1796-04-09T14:0028.83-26.95286.7BARBADOSS63W667S47W122.00-17NEPM FRESH BREEZES, AM MODERATE BREEZESPM CLEAR, AM CLEAR0000000145443
1796-04-10T14:0027.82-27.723006.7BARBADOSS64W659SWBS73.00-15NWPM LIGHT BREEZES, AT 8 MODERATE BREEZESAT 4 RAINPM CLEAR, AT 8 CLEAR, AT 4 THICK WEATHER0100000145444
1796-04-11T14:0026.08-29.353629.3BARBADOSS66W600S40W136.00-13VARIABLEPM MODERATE BREEZES, AT 6 FRESH BREEZES AND SQUALLYPM CLEAR0000000145445
1796-04-12T14:0024.92-31.47329.3S58W135.00-13NEAT 6 FRESH BREEZESAT 6 CLEAR WEATHER0000000145446
1796-04-13T14:0023.90-32.8357BARBADOSS69W574S49W98.00-11ENEPM FRESH BREEZESPM CLEAR0000000145447
1796-04-14T14:0022.15-34.18596.7BARBADOSS70W517S35W129.00-9ENEPM FRESH BREEZES AND SQUALLY, AT NOON MODERATE0000000145448
1796-04-15T14:0020.90-35.7859BARBADOSWBS1/2S480S49W119.00-9ENEPM MODERATE BREEZESPM CLEAR WEATHER0000000145449
1796-04-16T15:0019.87-37.68612.6BARBADOSS72:30W442S60W124.00-7ENEPM MODERATE BREEZES, AT NOON LIGHT BREEZESPM CLEAR WEATHER, AT NOON CLEAR0000000145450
1796-04-17T15:0018.68-39.5272BARBADOSS73W394S60W142.00-7EBNPM LIGHT WINDS, AT 10 MODERATE, AT HALF 3 SQUALLYAT HALF 3 RAINPM CLOUDY, AT 10 CLOUDY0100000145451
1796-04-18T15:0017.28-42.5276BARBADOSS76W340S60W171.00-3EBNPM FRESH BREEZES AND SQUALLY0000000145452
1796-04-19T15:0016.73-45.5876BARBADOSS75:52W289WSW189.00-3EBNPM FRESH BREEZES AND SQUALLYPM SHOWERS OF RAIN1100000145453
1796-04-20T15:0016.02-48.8078BARBADOSS75:24W223S77W190.00-1EBNPM FRESH BREEZESPM CLEAR0000000145454
1796-04-21T15:0014.93-51.73789.3BARBADOSS77:36W161S69W183.00-1EBNPM FRESH BREEZES, AT 8AM FRESH BREEZESPM CLEAR, AT 8AM CLOUDY0000000145455
1796-04-22T16:0013.77-54.3780BARBADOSS83:51W106S65W169.001EBNPM FRESH BREEZESPM CLEAR0000000145456
1796-04-23T16:0013.75-57.42809.3BARBADOSS88:42W44S80W181.001EBNPM MODERATE WINDS, AT 8AM FRESH BREEZESPM CLEAR WEATHER, AT 8AM CLOUDY0000000145457