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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 El Aguila cruise from Montevideo to Islas Malvinas started at 1768-01-02 [dataset]. Archivo Museo Naval Madrid, Spain, PANGAEA, https://doi.org/10.1594/PANGAEA.748812, 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: -43.358947 * Median Longitude: -56.957368 * South-bound Latitude: -51.130000 * West-bound Longitude: -62.820000 * North-bound Latitude: -35.500000 * East-bound Longitude: -53.050000
Date/Time Start: 1768-01-02T00:00:00 * Date/Time End: 1768-01-24T00:00:00
Event(s):
El_Aguila_17680102_MS_877 * Latitude: -35.970000 * Longitude: -55.650000 * Date/Time Start: 1768-01-02T00:00:00 * Date/Time End: 1768-01-24T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: El Aguila (Fragata), Voyage: Montevideo - Islas Malvinas, 1st Observer: Domingo Bonechea (Capitan)
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
CourseCourseCourse of the ship during the past 24 hours
DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
CommentCommentOther remarks, that were not possible to put in the other remark fields
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.
10 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.
11 Current speed descriptionV descr
12 Wind force descriptionWind force descrAll reported wind forces on this day
13 Present weatherwwWeather description
14 Precipitation descriptionPrecip descr
15 State of the sea descriptionState sea descr
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:
353 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Date/Time

Latitude

Longitude

dd [deg]

ff [m/s]

Course

Distance [arbitrary units]

Comment

Decl [deg]
10 
Wind dir descr
11 
V descr
12 
Wind force descr
13 
ww
14 
Precip descr
15 
State sea descr
16 
Gusts
17 
Rain
18 
Fog
19 
Snow
20 
Thunder
21 
Hail
22 
Sea ice
23 
ID
1768-01-02T00:00E 5º NMUCHADESDE LAS 5 DE LA TARDE HASTA LAS 2 DE LA MAÑANA(...) VTO DESDE EL E HASTA EL N BONANCIBLE PERO A ESTA HORA (...) AL S FRESCO, BASTANTE MAREJADA Y MUC000000069476
1768-01-03T00:00362VARIODESDE LAS 12 DE LA NOCHE HASTA QUE AMANECIÓ RODÓ EL VTO DESDE EL ESE AL NE BONANCIBLE.000000069477
1768-01-04T16:00-35.75-54.2536146.0015CALMAANCOHEC. VTO AL NE000000069478
1768-01-05T16:00-35.50-53.402856.7ESE 5º S15OBONANCIBLEA LAS 2 SE LLAMÓ EL VTO AL SSO (...). ANOCHEC. HORIZ. ATURBONADOS, MAR REGULAR, VTO SSE FRESCO(...) AMANEC. HORIZ. CLAROSMAR PICADA DEL VTO000000069479
1768-01-06T16:00-36.03-53.0519512.3ESE36.0015SFRESCO000000069480
1768-01-07T16:00-38.72-53.871712.3S17NFRESCOANOCHEC. HORIZ. CLAROS, MAR BELLA (...). AMANEC. HORIZ. ALGO OSCUROS, MAR PICADA DEL NNO, VTO FRESCO.000000069481
1768-01-08T16:00-40.33-54.6533212.3S105.0017NOFRESCOANOCHEC. HORIZ. AHUMADOS, Y EN CALMA (...) AMANEC. EL DÍA ALGO OSCURO, VTO N FRESQUITO000000069482
1768-01-09T16:00-41.33-54.4719712.3SSO63.0017SFRESCO Y BONANCIBLEA LAS 3 1/2 UN CHUBASCO CON TRUENOS Y RELÁMPAGOS (...) ANOCHEC. HORIZ. OSCUROS, VTO OSO FLOJO (...) AMANEC. ALGO NUBLADOMAR BELLA000010069483
1768-01-10T16:00-42.57-56.482221.0ESE 5º E87.0019SSOCUASI CALMAANCOHEC. CLARO, MAR GRUESA DEL S, VTO ENE CALMOSO(...). AMANEC. HORIZ. PARDOS, VTO N FRESCO.000000069484
1768-01-11T16:00-41.75-53.8528712.3SSE 5º S122.0017OFRESCOANOCHEC. HORIZ. OSCUROS, MAR GRUESA Y ASÍ AMANEC.GRUESA DEL VTO000000069485
1768-01-12T16:00-42.35-54.1324212.3NNE38.0017SOFRESCOANOCHEC. HORIZ. PARDOS, MAR GRUESA, VTO ONO(...) ASÍ AMANEC.000000069486
1768-01-13T16:00-43.17-54.973344.6SO61.0019NOFLOJOANOCHEC. HORIZL. PARDOS, VTO CALMA Y MAR BONANCIBLE (...). AMANEC. HORIZ. CLAROS, MAR BELLA Y VTO NO FRESQUITO000000069487
1768-01-14T16:00-44.82-55.503349.3SO100.0019NOFRESQUITOTODA LA TARDE SE MANTUVO CON UNA NEBLINA BASTANTE ESPESA HASTA QUE ACLARÓ AL PONERSE EL SOL (...) AMANEC. EL DÍA CLARO, MAR BELLA Y VTO SSO BONANCIBLEBASTANTE ESPESA HASTA QUE SE PUSO EL SOL QUE ACLARÓ.ALGO GRUESA DEL VTO001000069488
1768-01-15T16:00-45.58-57.703346.7SO105.0019NOBONANCIBLEANOCHEC. HORIZ. PARDOS, MAR LLANA Y VTO NO FRESQUITO (...) AMANEC. HORIZ. PARDOS, ALGUNA MAREJADA Y VTO NO CALMOSO.000000069489
1768-01-16T16:00-46.40-59.003579.3SO 5º O80.0019NNOFRESQUITOANOCHEC. HORIZ. CLAROS, MAR BELLA Y VTO O BONANCIBLE. (...) AMANEC. HORIZ. PARDOS, MAR BELLA, VTO NO BONANCIBLE.000000069490
1768-01-17T16:00-47.00-59.552671.0SSE49.0019OSOCUASI CALMAANCOHEC. HORIZ. AHUMADOS, MAR LLANA Y ENC ALMA (...) AMANEC. LO MISMO, CON VTO NNO BONANCIBLE.000000069491
1768-01-18T16:00-46.95-60.152896.7S 1/4 SO26.0019OBONANCIBLEANOCHEC. HORIZ. CLAROS, MAR BELLA PERO EN CALMA Y ASI SEGUIMOS TODA LA NOCHE Y PARTE DEL DÍA.000000069492
1768-01-19T16:00-46.82-61.053126.7SO 1/4 S38.0019ONOBONANCIBLEANOCHEC. CUASI EN CALMA Y ASÍ HASTA LAS 3 1/2 DE LA MAÑANA (...) AMANEC. HORIZ. ALGO AHUMADOS, MAR LLANA Y VTO NO FLOJO.000000069493
1768-01-20T16:00-48.05-62.822929.3SO105.0022OFRESQUITOANOCHEC. HORIZ. ATURBONADOS, MAR PICADA DEL NO, VTO NNO FRESCO(...) AMANEC. HORIZ. PARDOS, MAR Y VTO BONANCIBLES.000000069494
1768-01-21T16:00-49.57-62.232916.7SE 1/4 S94.0021OBONANCIBLEANOCHEC. HORIZ. CLAROS, MAR LLANA Y VTO OSO BONANCIBLE(...) AMANEC. VTO NO BONANCIBLE000000069495
1768-01-22T16:00-51.13-61.073366.7SE 1/4 S21NOBONANCIBLEEN LA NOCHE (...) VTO SO FRESCO Y BASTANTE MAREJADA.000000069496
1768-01-23T00:0022512.3ESE 5º ESOFRESCOANOCHEC. HORIZ. ALGO ATURBONADOS, ALGUNA MAREJADA Y VTO SO FRRESCO(...). AMANEC. HORIZ., ATURBONADOS., ESCASO VTO Y BASTANTE MAR.000000069497
1768-01-24T00:0018012.3ESESIGUE LA ENTRADA EN EL PUERTO (LLEGADA LA MALVINAS. INCLUYE LUEGO UN COMENTARIO SOBRE LA ENTRADA AL PUERTO DE LA ANUNCIACIÓN DE MALVINAS, CON UN MAPA DEL PERFIL DE LA COSTA)SFRESCOEL VTO FUE REFRESCANDO(...) ANOCHEC. HORIZ. AHUMADOS, MAR GRUESA Y VTO DEL SSO FRESCO(...). AMANEC. HORIZ. ALGO ATURBONADOS, MAR FGRUESA Y VTO OSO ALG000000069498