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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 EXPERIMENT cruise from Fayal to Antigua started at 1775-12-25. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.749259, 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). 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: 29.883333 * Median Longitude: -63.803333 * South-bound Latitude: 16.920000 * West-bound Longitude: -71.720000 * North-bound Latitude: 38.230000 * East-bound Longitude: -56.320000
Date/Time Start: 1775-12-25T17:00:00 * Date/Time End: 1776-01-17T16:00:00
Event(s):
Experiment_17751225_NMM_ADM/L/E196A * Latitude Start: 38.030000 * Longitude Start: -29.330000 * Latitude End: 17.000000 * Longitude End: -60.500000 * Date/Time Start: 1775-12-25T00:00:00 * Date/Time End: 1776-01-17T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Experiment (4th Rate Frigate), Voyage: Fayal - Antigua, 1st Observer: Robert Keeler (Captain), Company: Royal Navy, Other ship information: 50G 910BM
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 Present weatherwwWeather description
15 Precipitation descriptionPrecip descr
16 State of the sea descriptionState sea descr
17 ClearnessClearness
18 GustsGusts1 If wind gusts are reported
19 Precipitation/RainRain1 If rain was reported
20 FogFog1 If fog was reported
21 Snow typeSnow1 If snow was reported
22 ThunderThunder1 If thunder and or lightning was reported
23 HailHail1 If hail was reported
24 Sea iceSea ice1 If sea-ice or icebergs were reported
25 CommentComment
26 IdentificationIDCLIWOC 2.1 line number
Size:
464 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 
ww
(Weather description)
15 
Precip descr
16 
State sea descr
17 
Clearness
18 
Gusts
(1 If wind gusts are reported)
19 
Rain
(1 If rain was reported)
20 
Fog
(1 If fog was reported)
21 
Snow
(1 If snow was reported)
22 
Thunder
(1 If thunder and or lightning...)
23 
Hail
(1 If hail was reported)
24 
Sea ice
(1 If sea-ice or icebergs were...)
25 
Comment
26 
ID
(CLIWOC 2.1 line number)
1775-12-25T17:0037.83-69.2018526.8NANTUCKET SHOALSN2:22W50ESE60.00-6SBWHARD GALESRAIN SQUALLSVERY HEAVY SEA RUNNING110000092878
1775-12-26T17:0036.83-69.3532419.0NANTUCKET SHOALSN70S8W60.00-2WNW, NW, NWBNFIRST STRONG GALES, MID AND LATTER FRESH GALESRAINY SQUALLSCLOUDY110000092879
1775-12-27T17:0036.27-68.90436.7NANTUCKET SHOALSN4:47W81S33E40.00-2NWBN, NNW, NEFIRST FREESH GALES, MID AND LATTER MODERATEFIRST CLOUDY, MID AND LATTER FAIR000000092880
1775-12-28T17:0036.02-69.303611.0NANTUCKET SHOALSN86S53W24.00-2NE, ENE, ESE, CALMFIRST MODERATE, MID AND LATTER LIGHT AIRS AND CALM000000092881
1775-12-29T17:0036.68-70.05779.3NANTUCKET SHOALSN34:43W88N42W55.00-2SE, ESE, EBS, E, EBNFIRST LITTLE WIND, MID AND LATTER FRESH BREEZESFIRST FAIR, MID AND LATTER CLOUDY000000092882
1775-12-30T17:0037.78-70.9410722.6NANTUCKET SHOALSN23:50W55N33W78.00-6ENE, E, ESE, EBS, ESEFIRST AND MID MODERATE, LATTER STRONG GALESRAINCLOUDY010000092883
1775-12-31T17:0038.23-71.7215222.6NANTUCKET SHOALSN39:35E54N54W46.00-6SEBE, SSESTRONG GALESSQUALLS OF RAINCLOUDY110000092884
1776-01-01T17:0038.12-70.4527527.4NANTUCKET SHOALN18:44E47S82E61.00-6SWBW, W, NWBW, SW, WBNFIRST HARD GALES FO WIND, MID AND LATTER HARD STORMS OF WINDSEVERE THUNDER AND LIGHTNINGHAIL AND RAINEXCEDINGLY HIGH SEA010011092885
1776-01-02T17:0036.43-67.8233619.0BERMUDAS30:19E77S53E160.00-2NWBW, NW, NWBN, NNWFIRST HARD GALES, MID AND LATTER FRESH GALESRAINY SQUALLS AND RAIN110000092886
1776-01-03T16:0034.63-65.12756.7BERMUDAS6:51E49SE1/2E170.00-4NWBN, N, NNE, EBNFIRST AND MID FRESH GALES AND SQUALLY, LATTER MODERATECLOUDY000000092887
1776-01-04T16:0035.28-64.001659.3BERMUDAS17:13E43S69E59.00-4SBW, CALM, SSE, S, SSW, SBEFIRST AND MID LITTLE WIND AND CALM, LATTER FRESH BREEZESRAIN010000092888
1776-01-05T16:0033.77-62.4928819.0BERMUDAS44:47E54S82E76.00-5SBE, S, SSW, E, WNWFRESH GALESFAIR000000092889
1776-01-06T16:0032.67-61.392206.7BERMUDAS83:05W58S37E121.00-5WSW, WNW, W, WSW, SWFIRST FRESH GALES, MID AND LATTER MODERATEFAIR000000092890
1776-01-07T16:0030.30-59.0222319.0BERMUDAN85:45W97ESE112.00-2SW, SWBS, SBW, SWFIRST MODERATE, MID AND LATTER FRESH GALESRAINSWELL FROM SECLOUDY010000092891
1776-01-08T16:0028.95-57.672916.7ANTIGUAS27:03W289S30E140.00-2WBN, WBS, WNWMODERATEFAIR000000092892
1776-01-09T16:0028.38-57.10416.7ANTIGUAS32:49W263S15E113.00-4WNW, NBW, N, NEMODERATECLOUDY000000092893
1776-01-10T16:0027.73-56.45646.7ANTIGUAS42:15W233S13E152.00-4NEBN, ENEMODERATEFAIR000000092894
1776-01-11T16:0024.60-56.328919.0ANTIGUAS49:04W184S3E156.00-1ENE, EBN, EFIRST MODERATE, MID AND LATTER FRESH GALESCLOUDY0000000a trivial correction was made in this observation92895
1776-01-12T16:0020.78-56.996919.0ANTIGUAS60W153S12W136.001EBN, E, ENEFRESH GALESCLOUDY000000092896
1776-01-13T16:0018.08-57.47916.7ANTIGUAS78:4W125SBW158.001ENE, EMODERATEFAIR000000092897
1776-01-14T16:0017.00-59.42836.7ANTIGUAS89:23W92S56W134.004E, ENE, EBN,MODERATEFAIR000000092898
1776-01-15T16:0017.00-61.42726.7ANTIGUAS88:52W50W119.004ENEMODERATEFAIR000000092899
1776-01-16T16:0016.92-63.65846.7ANTIGUAN75W26S88W126.005EBNMODERATEFAIR000000092900
1776-01-17T16:0016.92-65.041066.7ANTIGUAW30W80.005E, EBSMODERATEFAIR000000092901