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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 SYREN cruise from Gibralter to Spithead started at 1758-04-29 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752426, 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: 41.285161 * Median Longitude: -15.346129 * South-bound Latitude: 34.850000 * West-bound Longitude: -19.960000 * North-bound Latitude: 49.650000 * East-bound Longitude: -7.340000
Date/Time Start: 1758-04-29T12:00:00 * Date/Time End: 1758-05-29T13:00:00
Event(s):
Syren_17580429_NMM_ADM/L/S619 * Latitude Start: 35.970000 * Longitude Start: -5.550000 * Latitude End: 50.680000 * Longitude End: -0.960000 * Date/Time Start: 1758-04-29T00:00:00 * Date/Time End: 1758-05-29T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Syren, Voyage: Gibralter - Spithead, 1st Observer: John Chaloner Jackson (Lieutenant), Company: Royal Navy
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 Present weatherwwWeather description
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 CommentComment
25 IdentificationIDCLIWOC 2.1 line number
Size:
590 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 
ww
(Weather description)
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 
Comment
25 
ID
(CLIWOC 2.1 line number)
1758-04-29T12:0036.15-7.342766.7SPARTELS72E24N74W72.00-17SW, WSW, WNWMODERATEFAIR0000000250033
1758-04-30T13:0036.08-8.082999.3SPARTELS81E33S82W31.00-16W, WBN, NWFIRST PART MODERATE, LATTER FRESH BREEZESFIRST PART FAIR, LATTER CLOUDY0000000250034
1758-05-01T13:0035.67-8.393552.6SPARTELN86:00E42S43W35.00-16NBW, N, NBELITTLE WINDFAIR0000000250035
1758-05-02T13:0035.30-9.263442.6SPARTELN79E56S61W48.00-16NBW, NLITTLE WINDFAIR0000000250036
1758-05-03T13:0035.13-9.943442.6SPARTELN70E70S75W35.00-16N, NBE, NLITTLE WINDFAIR0000000250037
1758-05-04T13:0034.85-10.692772.6SPARTELN76E83S64W40.00-16N, NBW, W, WNWLITTLE WINDFAIR0000000250038
1758-05-05T13:0035.93-10.73153SPARTELN89E78N2W65.00-16S, SSE, S, SBEFIRST AND MIDDLE PART LIGHT AIRSFIRST AND MIDDLE PART FAIR0000000250039
1758-05-06T13:0037.15-16.46278SPARTELS70E81N69.00-15SSW, SW, WSW, WBN, WNWFIRST PART LITTLE WIND, MIDDLE AND LATTER SQUALLYFIRST PART RAIN0100000250040
1758-05-07T13:0036.90-16.762106.7SPARTELS75E85S44W19.00-15NBW, NNW, SWFIRST PART FRESH GALES, MIDDLE AND LATTER MODERATEFIRST PART CLOUDY, MIDDLE AND LATTER CLEAR0000000250041
1758-05-08T13:0038.40-17.092996.7SPARTELS57E99N8W92.00-16W, NWMODERATECLOUDY0000000250042
1758-05-09T13:0038.82-17.2379.3SPARTELS55E106N14W29.00-16NW, NNEFRESH BREEZESFAIR0000000a trivial correction was made in this observation250043
1758-05-10T13:0038.57-18.3486.7SPARTELS62E120S70W55.00-15N, NBE, NNEMODERATEFAIR0000000250044
1758-05-11T13:0038.43-19.363566.7SPARTELS67E130S80W49.00-15NNE, NBEMODERATEFAIR0000000250045
1758-05-12T13:0038.43-19.963346.7SPARTELS68E140W28.00-15N, NBE, NBWMODERATEFAIR0000000250046
1758-05-13T13:0038.88-19.413006.7SPARTELS63E136N43E37.00-15NNW, NWMODERATESOME RAINFAIR0100000250047
1758-05-14T13:0039.35-19.042552.6SPARTELS58E137N29E26.00-15W, WBS, WLIGHT BREEZESFAIR0000000250048
1758-05-15T13:0039.42-18.79532.6SPARTELS57E135N82E12.00-15SSE, CALM, ENELIGHT BREEZESFAIR0000000250049
1758-05-16T13:0040.35-18.79642.6SPARTELS51E144N56.00-15EBN, E, EBNLIGHT BREEZESFAIR0000000250050
1758-05-17T13:0041.43-19.38752.6SPARTELS46E162N22W70.00-15E, EBN, ELIGHT BREEZESFAIR0000000250051
1758-05-18T13:0042.65-19.64849.3SPARTELS42E184N09W75.00-17EBSFRESH BREEZESCLOUDY0000000250052
1758-05-19T13:0044.37-19.53739.3SPARTELS36E206N4E84.00-17ESE, EBS, EFRESH BREEZESCLOUDY0000000250053
1758-05-20T13:0045.20-19.111419.3CAPE FINISTRES51E64N14E73.00-17SE, SSEFRESH BREEZESCLOUDY0000000250054
1758-05-21T13:0045.95-18.031419.3CAPE FINISTRES33E65N45E64.00-17SE, SSE, SEBS, SSEFRESH BREEZESCLOUDY0000000250055
1758-05-22T13:0046.65-17.441186.7CAPE FINISTRES21E76N46E61.00-18SEMODERATEFAIR0000000250056
1758-05-23T13:0047.63-15.731729.3SPARTELS76E76N44E142.00-19SBE, S, SBWFRESH BREEZESCLOUDY0000000250057
1758-05-24T13:0048.10-14.73829.3LIZARDN52E58N55E49.00-19S, SBE, E, EBSFRESH BREEZESFAIR0000000250058
1758-05-25T13:0048.15-14.633622.6SPARTELN52E57N53E5.00-19VARIABLELITTLE WINDRAIN0100000250059
1758-05-26T13:0048.35-14.142622.6SPARTELN51E50N56E77.00-19NNW, NW, CALM, WBNLIGHT BREEZESCLOSE WEATHER0000000250060
1758-05-27T13:0048.75-13.94602.6SCILLYN33E30N18E26.00-19SE, ESE, E, EBNLIGHT BREEZESCLOSE WEATHER0000000250061
1758-05-28T13:0049.15-12.592299.3LIZARDNEBE27N74E78.00-19WNW, W, WSWFRESH BREEZESRAINCLOUDY0100000250062
1758-05-29T13:0049.65-11.1820619.0LIZARDNWBW16N74E110.00-19SWFRESH GALESCLOUDY0000000250063