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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 ROSE cruise from Madeira to Barbados started at 1760-11-29 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751791, 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: 21.036154 * Median Longitude: -36.955385 * South-bound Latitude: 13.050000 * West-bound Longitude: -60.400000 * North-bound Latitude: 31.900000 * East-bound Longitude: -17.740000
Date/Time Start: 1760-11-29T13:00:00 * Date/Time End: 1760-12-24T16:00:00
Event(s):
Rose_17601129_NMM_ADM/L/R216 * Latitude Start: 32.130000 * Longitude Start: -16.570000 * Latitude End: 14.850000 * Longitude End: -59.680000 * Date/Time Start: 1760-11-29T00:00:00 * Date/Time End: 1760-12-24T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Rose (6th Rate Frigate), Voyage: Madeira - Barbados, 1st Observer: John Daws (1st Officer/Master), Company: Royal Navy, Other ship information: 24G 498BM
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 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
14 Current speed descriptionV descr
15 Wind force descriptionWind force descrAll reported wind forces on this day
16 Precipitation descriptionPrecip 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 IdentificationIDCLIWOC 2.1 line number
Size:
494 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 
Cur dir descr
(Direction of the current. Thi...)
14 
V descr
15 
Wind force descr
(All reported wind forces on t...)
16 
Precip 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 
ID
(CLIWOC 2.1 line number)
1760-11-29T13:0031.90-17.741221.0MADEIRAN40E20S40W60.00-13ESE, SSE, SENNE5 FATHOMSLIGHT AIRSCLOUDY0000000213316
1760-11-30T13:0031.63-18.27321.0MADEIRAN47E30SWBW1/4W32.00-13NE, SWBW, NELIGHT AIRSCLOUDY0000000213317
1760-12-01T13:0031.25-18.721561.0MADEIRAN46E41SW33.00-13SE, CALM, SBELIGHT AIRSCLOUDY0000000213318
1760-12-02T13:0030.83-20.092016.7MADEIRAN55E64WNW1/4W75.00-13SBE, SBW, S, SWBSMODERATEFAIR0000000213319
1760-12-03T13:0029.90-21.6512219.0MADEIRAN55E97S55W99.00-13SWBS, CALM, SEFRESH GALESCLOUDY0000000213320
1760-12-04T14:0028.23-23.554519.0MADEIRAN52E144SW142.00-11ESE, NEBEFRESH GALESCLEAR0000000213321
1760-12-05T14:0026.37-25.655819.0MADEIRAN50E197SW158.00-10NE, E, ENEFRESH GALESCLEAR0000000213322
1760-12-06T14:0025.00-27.82609.3MADEIRAN51E244SWBW148.00-8NE, ENEFRESH BREEZESCLEAR0000000213323
1760-12-07T14:0023.50-30.29606.7MADEIRAN52E298SWBW162.00-8ENEMODERATEFAIR0000000213324
1760-12-08T14:0023.00-31.7436219.0MADEIRAN53:26E324S69W86.00-8VARIABLEFRESH GALESCLOUDY0000000213325
1760-12-09T14:0023.00-32.121721.0MADEIRAN53:34E336W21.00-8SW, CALM, SLIGHT AIRSCLOUDY0000000213326
1760-12-10T14:0022.82-32.54626.7MADEIRAN54:23W338SWBW26.00-6S, SBE, ENEMODERATEFAIR0000000213327
1760-12-11T14:0022.08-33.52861.0MADEIRAN54:43W367S59W85.00-4ELIGHT AIRSCLEAR0000000213328
1760-12-12T14:0021.15-35.05526.7MADEIRAN54:24E396S50W87.00-4ENE, NEBEMODERATEFAIR0000000213329
1760-12-13T14:0019.65-37.19416.7MADEIRAN54:12E446S53W152.00-4NEBE, NEMODERATEFAIR0000000213330
1760-12-14T15:0017.78-39.7976MADEIRAN54E506SW3/4W184.00-3ENE, EBNSQUALLY0000000213331
1760-12-15T15:0016.50-42.255519.0MADEIRAN54:45E560SWBW1/2W162.00-1NEBEFRESH GALESCLOUDY0000000213332
1760-12-16T15:0015.27-44.55566.7MADEIRAN55:14E610S61E152.000NEBEMODERATEFAIR0000000213333
1760-12-17T15:0014.40-46.80686.7MADEIRAN56:00E655WSW135.000ENEMODERATECLOUDY0000000213334
1760-12-18T15:0013.67-48.67926.7MADEIRAN56:44E693WSW118.002ESE, EMODERATERAIN AT TIMES0100000213335
1760-12-19T15:0013.22-50.34256.7MADEIRAN57:29E725S74W100.002SEBE, N, NNEMODERATERAIN AT TIMES0100000213336
1760-12-20T15:0013.27-52.29139.3MADEIRAN59E754W2N114.002N, NBEFRESH BREEZESCLOUDY0000000213337
1760-12-21T16:0013.10-54.24266.7MADEIRAN60:10E787S85W114.003NNEMODERATEFAIR0000000213338
1760-12-22T16:0013.15-56.87716.7MADEIRAN61:46E825N89W145.003NE, ENEMODERATEFAIR0000000213339
1760-12-23T16:0013.22-58.70946.7MADEIRAN62E857W2N118.004NE, ENE, EMODERATEFAIR0000000213340
1760-12-24T16:0013.05-60.40726.7MADEIRAN63:44E887W1/2S100.004EBN, ENEMODERATEFAIR0000000213341