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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 ROMNEY cruise from Princes Island to Barbados started at 1804-01-15 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751789, 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: -0.865000 * Median Longitude: -25.540417 * South-bound Latitude: -7.570000 * West-bound Longitude: -55.930000 * North-bound Latitude: 12.880000 * East-bound Longitude: 5.100000
Date/Time Start: 1804-01-15T12:00:00 * Date/Time End: 1804-02-11T16:00:00
Event(s):
Romney_18040115_NMM_ADM/L/R205 * Latitude Start: -0.250000 * Longitude Start: 5.100000 * Latitude End: 14.850000 * Longitude End: -59.680000 * Date/Time Start: 1804-01-15T00:00:00 * Date/Time End: 1804-02-11T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Romney (4th Rate Frigate), Voyage: Princes Island - Barbados, 1st Observer: William Brown (Captain), Company: Royal Navy, Other ship information: 50G 1028BM
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 ClearnessClearness
16 GustsGusts1 If wind gusts are reported
17 Precipitation/RainRain1 If rain was reported
18 FogFog1 If fog was reported
19 Snow typeSnow1 If snow was reported
20 ThunderThunder1 If thunder and or lightning was reported
21 HailHail1 If hail was reported
22 Sea iceSea ice1 If sea-ice or icebergs were reported
23 IdentificationIDCLIWOC 2.1 line number
Size:
468 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 
Clearness
16 
Gusts
(1 If wind gusts are reported)
17 
Rain
(1 If rain was reported)
18 
Fog
(1 If fog was reported)
19 
Snow
(1 If snow was reported)
20 
Thunder
(1 If thunder and or lightning...)
21 
Hail
(1 If hail was reported)
22 
Sea ice
(1 If sea-ice or icebergs were...)
23 
ID
(CLIWOC 2.1 line number)
1804-01-15T12:00-0.255.101606.7ASCENSIONS68W408S64W96.00-20SW, VARIABLE, SPM LIGHT BREEZES AND VARIABLE, AM MODERATE BREEZESAM CLOUDY0000000213252
1804-01-16T12:00-1.473.401609.3ASCENSIONS69:30W368S55W128.00-20SPM MODERATE BREEZES, AM FRESH BREEZESCLOUDY0000000213253
1804-01-17T12:00-2.751.221609.3ASCENSIONS71W320S60W146.00-20SPM MODERATE BREEZES, AM FRESH BREEZESPM CLEAR, AM CLOUDY0000000213254
1804-01-18T12:00-3.82-1.481609.3ASCENSIONS72W264S68W175.00-20SFRESH BREEZESCLOUDY0000000213255
1804-01-19T12:00-4.85-4.231616.7ASCENSIONS73W207S69:30W176.00-19SPM FRESH BREEZES, AM MODERATECLOUDY0000000213256
1804-01-20T12:00-6.25-6.781396.7ASCENSIONS77W149S61:30W175.00-19SSEPM FRESH BREEZES, AM MODERATECLEAR0000000213257
1804-01-21T13:00-7.47-9.58118ASCENSIONS84W89S67W188.00-17SSE, SEPM FRESH BREEZESPM CLEAR0000000213258
1804-01-25T13:00-7.57-15.931216.7FERNAND DE NORONHAN77:30W335N78W102.00-14SEPM FRESH BREEZES, AM MODERATE BREEZESPM CLOUDY, AM CLEAR0000000213259
1804-01-26T13:00-7.10-18.171239.3FERNAND DE NORONHAN77:30W290N78W138.00-12SEPM MODERATE, AM LIGHT BREEZES, FRESH BREEZESPM CLOUDY, CLEAR, AM CLOUDY0000000213260
1804-01-27T13:00-6.62-20.62123FERNAND DE NORONHAN77:30W240N78W150.00-12SEPM MODERATE BREEZESCLOUDY0000000213261
1804-01-28T14:00-6.22-22.531376.7FERNAND DE NORONHAN77:30W201N78W118.00-9SEBSMODERATE BREEZESCLOUDY0000000213262
1804-01-29T14:00-5.70-24.971379.3FERNAND DE NORONHAN76:30W152N78W149.00-9SSE, SEBSPM MODERATE BREEZES, AM FRESH BREEZESPM CLEAR, AM CLOUDY0000000213263
1804-01-30T14:00-4.62-27.281269.3FERNAND DE NORONHAN82W102N65W154.00-9SEPM MODERATE BREEZES, AM FRESH BREEZESPM CLOUDY, AM CLEAR0000000213264
1804-01-31T14:00-3.85-29.631409.3FERNAND DE NORONHAS88W55N72W148.00-6SE, SEBSFRESH BREEZESCLOUDY0000000213265
1804-02-01T00:00-3.77113FORT IN THE ISLANDSE4SE, ESEPM FRESH BREEZESCLOUDY0000000213266
1804-02-02T14:00-2.58-34.18872.6BARBADOSN57W582N53W134.00-3ESE, EPM MODERATE BREEZES, AM LIGHT BREEZESCLEAR0000000213267
1804-02-03T14:00-1.40-35.70109BARBADOSN58W546N52W115.00-4E, ESEPM MODERATE BREEZESCLOUDY0000000213268
1804-02-04T14:00-0.12-37.35BARBADOSN58:30W506N51W123.00-4E, NBNPM MODERATE BREEZESCLOUDY0000000213269
1804-02-05T15:001.48-39.40669.3BARBADOSN59:30W454N52W156.00-2E, ENEPM MODERATE BREEZES, AM FRESH BREEZESPM RAIN AT TIMESCLOUDY0100000213270
1804-02-06T15:003.45-41.98539.3BARBADOSN60W391N51:30W194.00-3ENE, NEBEPM MODERATE BREEZES, AM FRESH BREEZESRAIN AT TIMESCLOUDY0100000213271
1804-02-07T15:005.50-44.97449.3BARBADOSN62W321N54:30W212.00-1NEPM STRONG BREEZES AND SQUALLY, AM FRESH BREEZESCLOUDY0000000213272
1804-02-08T15:007.57-47.85459.3BARBADOSN64:30W255N54W205.000NEPM FRESH BREEZES, AM FRESH BREEZESPM CLEAR, AM CLOUDY0000000213273
1804-02-09T15:009.38-50.78459.3BARBADOSN67W190N57W205.000NEFRESH BREEZESCLEAR0000000213274
1804-02-10T16:0011.62-53.35706.7BARBADOSN76:30W126N49W200.002ENEPM FRESH BREEZES, AM MODERATE BREEZESCLOUDY0000000213275
1804-02-11T16:0012.88-55.93696.7BARBADOSN87W75N63W169.001ENEPM MODERATE BREEZES, AM MODERATE BREEZESPM CLOUDY, AM CLEAR0000000213276