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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 SURPRISE cruise from Tagus Lisbon to St. Johns started at 1797-04-09 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752382, 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: 41.088571 * Median Longitude: -24.747143 * South-bound Latitude: 36.170000 * West-bound Longitude: -44.330000 * North-bound Latitude: 47.020000 * East-bound Longitude: -11.100000
Date/Time Start: 1797-04-09T13:00:00 * Date/Time End: 1797-05-06T15:00:00
Event(s):
Surprise_17970409_NMM_ADM/L/S548 * Latitude Start: 38.588000 * Longitude Start: -9.409000 * Latitude End: 47.670000 * Longitude End: -52.270000 * Date/Time Start: 1797-04-09T00:00:00 * Date/Time End: 1797-05-06T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Surprise (5th Rate Frigate), Voyage: Tagus Lisbon - St Johns, 1st Observer: Edward Hamilton (Captain), Company: Royal Navy, Other ship information: 32G 578BM
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 ClearnessClearness
15 GustsGusts1 If wind gusts are reported
16 Precipitation/RainRain1 If rain was reported
17 FogFog1 If fog was reported
18 Snow typeSnow1 If snow was reported
19 ThunderThunder1 If thunder and or lightning was reported
20 HailHail1 If hail was reported
21 Sea iceSea ice1 If sea-ice or icebergs were reported
22 CommentComment
23 IdentificationIDCLIWOC 2.1 line number
Size:
508 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 
Clearness
15 
Gusts
(1 If wind gusts are reported)
16 
Rain
(1 If rain was reported)
17 
Fog
(1 If fog was reported)
18 
Snow
(1 If snow was reported)
19 
Thunder
(1 If thunder and or lightning...)
20 
Hail
(1 If hail was reported)
21 
Sea ice
(1 If sea-ice or icebergs were...)
22 
Comment
23 
ID
(CLIWOC 2.1 line number)
1797-04-09T13:0038.20-11.10576.7CORVON64W310S65W75.00-22EBNMODERATE BREEZES0000000246602
1797-04-10T13:0037.97-12.283276.7CORVON83W293S78W57.00-22EBN, NBWMODERATE BREEZES0000000246603
1797-04-11T13:0037.65-13.522266.7CORVON82W277S71W71.00-22WSWMODERATE BREEZESCLOUDY0000000246604
1797-04-12T13:0036.92-14.1232812.3CORVON82W263S5W3.00-21NBWSTRONG BREEZES0000000246605
1797-04-13T13:0036.98-15.40219.0CORVON78W253N84W62.00-21NNEFRESH GALESHAZY0000000246606
1797-04-14T13:0037.33-16.50246.7ST MICHAELN87W147N64W51.00-21NEMODERATE BREEZES0000000246607
1797-04-15T13:0036.92-17.083621.0CORVON76W228S85W101.00-21VARIABLELIGHT AIRS0000000246608
1797-04-16T13:0036.60-18.1332919.0CORVON73W211S69W54.00-20NBWMODERATE BREEZES, FRESH GALES AND SQUALLY0000000246609
1797-04-17T13:0036.17-19.1829519.0ST MICHAELN80W97S69W53.00-20NWFRESH GALES0000000246610
1797-04-18T13:0037.20-20.172732.6ST MARYSW80N49W68.00-20WNWLIGHT BREEZES0000000246611
1797-04-19T13:0038.20-20.792716.7ST MARYSS72W76N19W65.00-22WNWMODERATE BREEZESHAZY0000000246612
1797-04-20T13:0039.13-21.422486.7CORVON86W150S34W68.00-22WMODERATE BREEZES0000000246613
1797-04-21T13:0039.75-21.7227112.3ST MARYSS38:28W70N41W101.00-22WNWSTRONG BREEZES0000000246614
1797-04-22T13:0040.73-22.153276.7CORVOS81W138N20W59.00-22NBWMODERATE BREEZES0000000246615
1797-04-23T14:0041.03-23.873501.0CORVOS78W123N61W43.00-21NBELIGHT AIRS0000000a trivial correction was made in this observation246616
1797-04-24T14:0041.83-24.982946.7ST JOHNSN78W417N47W71.00-21NWMODERATE BREEZES0000000246617
1797-04-25T14:0042.77-26.101906.7ST JOHNSN76W382N62W110.00-24SWBSMODERATE BREEZES0000000246618
1797-04-26T14:0043.30-27.3420119.0ST JOHNSN76:30W358NNW84.00-24SWFRESH GALES0000000246619
1797-04-27T14:0043.47-28.582806.7ST JOHNSN77W345N71W37.00-24NWBWMODERATE BREEZES0000000246620
1797-04-28T14:0043.75-29.551342.6ST JOHNSN76W337N58W32.00-24VARIABLE, SSELIGHT BREEZES0000000246621
1797-04-29T14:0044.98-30.272246.7ST JOHNSN80W323-24WSWMODERATE BREEZES0000000246622
1797-04-30T14:0044.98-31.73211.0ST JOHNSN80W295N72W58.00-24NELIGHT AIRS0000000246623
1797-05-01T14:0044.78-33.082472.6ST JOHNSN78W274S86W58.00-23N, NW, WLIGHT BREEZES0000000246624
1797-05-02T14:0045.07-34.432026.7CAPE SPEARN78:30W249N71W52.00-23SWMODERATE BREEZESCLOUDY0000000246625
1797-05-03T14:0045.77-36.402026.7CAPE SPEARN81W228N60W84.00-23SWMODERATE BREEZESCLOUDY0000000246626
1797-05-04T15:0045.65-38.23229.3CAPE SPEARN79W203S89W79.00-23NNE, NEFRESH BREEZES0000000246627
1797-05-05T15:0046.33-40.47222.6CAPE SPEARN81W163N67W99.00-23NELIGHT BREEZES0000000246628
1797-05-06T15:0047.02-44.331139.3CAPE SPEARN85W123N75:30W161.00-22SEFRESH BREEZES0010000246629