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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 DECADE cruise from Near Madeira to Antigua started at 1805-05-15 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.748456, 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: 18.974444 * Median Longitude: -42.141852 * South-bound Latitude: 10.250000 * West-bound Longitude: -62.280000 * North-bound Latitude: 31.950000 * East-bound Longitude: -16.500000
Date/Time Start: 1805-05-15T13:00:00 * Date/Time End: 1805-06-13T00:00:00
Event(s):
Decade_18050515_NMM_ADM/L/D27 * Latitude Start: 32.130000 * Longitude Start: -16.570000 * Latitude End: 17.000000 * Longitude End: -60.500000 * Date/Time Start: 1805-05-15T00:00:00 * Date/Time End: 1805-06-13T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Decade (5th Rate Frigate), Voyage: Near Madeira - Antigua, 1st Observer: John Stuart (Captain), Company: Royal Navy, Other ship information: 38G 914 BM
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
--1 If position is considered to be coastal (in port or near coastal disturbances)
10 CourseCourseCourse of the ship during the past 24 hours
11 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
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 Wind force descriptionWind force descrAll reported wind forces on this day
15 Precipitation descriptionPrecip 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:
532 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)

-
(1 If position is considered t...)
10 
Course
(Course of the ship during the...)
11 
Distance [arbitrary units]
(Distance travelled during the...)
12 
Decl [deg]
(It is generally accepted by t...)
13 
Wind dir descr
(All reported wind directions ...)
14 
Wind force descr
(All reported wind forces on t...)
15 
Precip 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)
1805-05-15T13:0031.95-16.5036.7FUNCHALLN36:20W17S46:21W113.00-20VARIABLE, NNEPM MODERATEPM FINE000000049291
1805-05-16T13:0030.57-19.05496.7PALMAS34E48S52W130.00-19NNW, NBE, ENEPM MODERATE, AM MODERATE BREEZESPM FINE000000049292
1805-05-17T13:0029.47-20.88496.7BARBADOSS65:14W773S57W120.00-19ENEPM MODERATE BREEZESPM RAIN AT TIMES010000049293
1805-05-18T13:0028.78-22.17606.7BARBADOSS66W763S62W75.00-19EBNPM MODERATEPM HAZY000000049294
1805-05-19T14:0028.00-22.833421.0BARBADOSS66W750S45W50.00-18VARIABLE, NPM LIGHT AIRS000000049295
1805-05-20T14:0025.85-24.9579.3BARBADOSS69W700S42W170.00-16NNW, N, NNEPM MODERATE, AM FRESH BREEZESPM FINE WEATHER, AM CLOUDY000000049296
1805-05-21T14:0024.32-27.62549.3BARBADOSS70W648S58W169.00-14NNE, ENEPM FRESH BREEZESPM CLEAR000000049297
1805-05-22T14:0023.02-30.57769.3BARBADOSS69W590S63W173.00-14NEBE, EPM FRESH BREEZESPM CLEAR000000049298
1805-05-23T14:0021.78-32.77806.7BARBADOSS71W494S65W154.00-10EPM MODERATE BREEZESPM FINE WEATHER000000049299
1805-05-24T14:0020.75-35.40586.7BARBADOSS72W496S69W155.00-10ENEPM FRESH BREEZES, AM MODERATE BREEZESPM FINE WEATHER000000049300
1805-05-25T14:0019.78-37.35806.7BARBADOSS73W452S61W125.00-10ENE, NE, EPM MODERATEPM FINE WEATHER000000049301
1805-05-26T15:0019.02-38.67716.7BARBADOSS72:10W410S56:41W88.00-8ENE, EBNPM MODERATEPM FINE WEATHER000000049302
1805-05-27T15:0018.17-40.50601.0BARBADOSS74:53W387S61W99.00-8ENEPM LIGHT AIRSPM FINE WEATHER000000049303
1805-05-28T15:0017.48-42.40736.7BARBADOSS75:30W346S69W108.00-6ENE, EBNPM MODERATEPM FINE WEATHER000000049304
1805-05-29T15:0016.32-44.67656.7BARBADOSS77:52W328S58W137.00-3EBS, ENEPM MODERATEPM FINE WEATHER000000049305
1805-05-30T15:0015.52-47.63676.7BARBADOSS78:37W240S74W173.00-1NEBE, ENEPM MODERATEAT NOON RAIN AT TIMESPM FINE WEATHER, AT NOON CLOUDY010000049306
1805-05-31T15:0015.18-50.20896.7BARBADOSS76:35W175S81W150.00-1EBS, EPM MODERATEPM FINE WEATHER000000049307
1805-06-01T16:0014.52-52.951026.7BARBADOSS78:32W137S76W160.001ESE, EBSPM MODERATEPM FINE WEATHER000000049308
1805-06-02T16:0013.93-54.781146.7BARBADOSS81W100S72W120.001ESEPM MODERATEPM FINE WEATHER000000049309
1805-06-03T16:0013.22-56.701026.7BARBADOSS88:47W63S67W114.001ENE, EBSPM MODERATEPM FINE WEATHER000000049310
1805-06-04T16:0013.03-57.50926.7LAYING TOO OF CARLISLE22EBN, EPM MODERATEPM FINE WEATHER000000049311
1805-06-05T16:0012.95-58.30929.3CARLISLE BAYNBW42EPM MODERATE, AT NOON FRESH BREEZESPM FINE WEATHER, AT NOON FINE000000049312
1805-06-06T16:0011.50-59.09839.3NORTH END OF THE ISLE OF TABAGOSW54EBNPM FRESH BREEZESPM FINE WEATHER000000049313
1805-06-07T16:0010.88-59.89726.7STANDING TOWARDS THE WEST END OF TRINIDADALONGSHORE4ENEPM MODERATEPM FINE000000049314
1805-06-08T16:0010.25-60.69726.7NORTH PASSAGE OF TRINIDAD4EBN, ENEPM MODERATEPM FINE WEATHER000000049315
1805-06-09T16:0011.90-61.499412.3ISLE GRANADA4ENE, EPM STRONG BREEZES AND SQUALLY000000049316
1805-06-10T16:0014.17-62.28929.3MONSERRAT2EBN, EPM FRESH BREEZES AND SQALLY000000049317
1805-06-11T00:0016.05686.7NORTH POINT OF GUADALOUPNEBEEBN, EBS, ENEPM MODERATEPM CLOUDY000000049318
1805-06-12T00:00909.3ANTIGUAENE, EPM LIGHT AIRS, AM FRESH BREEZESPM FINE WEATHER000000049319
1805-06-13T00:00799.31ENE, EBNPM FRESH BREEZESPM CLOUDY000000049320