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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 JASON cruise from Spectacle Island to Sheerness started at 1753-08-15 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.746953, 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: 46.342609 * Median Longitude: -36.372174 * South-bound Latitude: 42.400000 * West-bound Longitude: -68.790000 * North-bound Latitude: 49.500000 * East-bound Longitude: -7.740000
Event(s):
Jason_17530815_NMM_ADM/L/J18 * Latitude Start: 42.580000 * Longitude Start: -68.790000 * Latitude End: 60.270000 * Longitude End: 1.580000 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Jason (4th Rate Frigate), Start of voyage: 1753-08-15, End of voyage: 1753-09-06, Voyage: Spectacle Island (Boston) - Sheerness, 1st Observer: James Young (Captain), 2nd Observer: Lt John Carter Allen (1st Officer/Master), Company: Royal Navy, Other ship information: 44G 810BM
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Date/time startDate/time start
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 State of the sea descriptionState sea 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 CommentComment
26 IdentificationIDCLIWOC 2.1 line number
Size:
462 data points

Data

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


Date/time start

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 
State sea 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 
Comment
26 
ID
(CLIWOC 2.1 line number)
1753-08-15T17:0042.58-68.792026.7LIGHT HOUSEN88W105E84.00-12SW, SWBSMODERATEFAIR0000000a trivial correction was made in this observation123969
1753-08-16T16:0042.40-63.723076.7LIGHT HOUSEN88W105S88E315.00-8SW, NWMODERATEFAIR0000000123970
1753-08-17T16:0042.80-61.411656.7LIGHT HOUSE88:12SW128N77E104.00-15SSW, SMODERATECLEAR0000000123971
1753-08-18T16:0043.42-58.0417619.0LIGHT HOUSE84:58SW186N75:56E154.00-15SBWFRESH GALES AND SQUALLYRAIN0100000123972
1753-08-19T16:0044.17-53.8916519.0LIGHT HOUSE82:41SW249N75:56E188.00-15SFRESH GALES AND SQUALLYRAIN0100000123973
1753-08-20T15:0044.85-51.1213119.0LIGHT HOUSE80:59SW289N71:01E126.00-15SSE, SEBSFRESH GALES AND SQUALLYRAIN0110000123974
1753-08-21T15:0044.28-50.22986.7LIGHT HOUSE83:34SW303S48E51.00-15SEBS, ESEMODERATE0010000123975
1753-08-22T15:0044.30-48.893002.6LIGHT HOUSE83:54SW324N89E58.00-15NNE, NWLITTLE WINDHAZY0000000123976
1753-08-23T15:0044.68-46.592786.7LIGHT HOUSE83:09SW352N75:56E95.00-15NNW, WNWMODERATEHAZY0000000123977
1753-08-24T15:0045.35-43.1727819.0LIGHT HOUSE82:11SW403N75:56E156.00-15WSW, WNWMOST PART FRESH GALESCLOUDY0000000123978
1753-08-25T15:0045.67-39.5933419.0LIGHT HOUSE82:11SW45382:53NE152.00-15W-NBWMOST PART FRESH GALES, THE MIDDLE SQUALLYCLOUDY0000000123979
1753-08-26T14:0046.08-37.372336.7LIGHT HOUSE81:41SW48475NE97.00-15NNW-WSWMODERATEGREAT SWELL FROM THE NWFAIR0000000123980
1753-08-27T14:0046.68-34.0126619.0LIGHT HOUSE81:7SW53075NE142.00-15SBW, WBNFRESH GALESRAINSWELL FROM THE NW0100000123981
1753-08-28T14:0047.45-30.312106.7LIGHT HOUSE80:24SW58373:7NE160.00-15WSW-SWFRESH GALES, THE LATTER MODERATESEA GONE DOWNHAZY, THE LATTER FAIR0000000123982
1753-08-29T14:0047.75-28.212962.6LIGHT HOUSE80:16SW61178NE88.00-19WNW, NBE, NWMOST PART LITTLE WINDHAZY0000000123983
1753-08-30T14:0048.28-25.542412.6LIGHT HOUSE79:50SW646N73:7E111.00-18WNW-WBSMOST PART LITTLE WINDSMALL RAINHAZY0100000123984
1753-08-31T13:0048.95-22.19241LIGHT HOUSE79:22SW691N73:7E140.00-18WBSTHICKRAINHAZY0100000123985
1753-09-01T13:0049.20-18.0419619.0LIGHT HOUSE79:47SW746N85E171.00-18SW, SWBSFRESH GALESHAZY0010000123986
1753-09-02T13:0049.35-15.662522.6LIGHT HOUSE79:59SW776E1/2N93.00-18SW, WLITTLE WIND0010000123987
1753-09-03T13:0049.42-13.513082.6LIGHT HOUSE80:13SW804E1/4N87.00-18WNW, NWBNLITTLE WINDGREAT SWELL FROM THE NW0010000123988
1753-09-04T13:0049.32-10.662756.7LIGHT HOUSE80:57SW847S85E115.00-18N, WNWMODERATECLOUDY0000000123989
1753-09-05T13:0049.40-7.893536.7LIGHT HOUSE81:7SW883E1/2N110.00-18NW, NBEMODERATECLOUDY0000000123990
1753-09-06T13:0049.50-7.741960.0LIGHT HOUSE81:8SW898N81E40.00-18N, SWBSMOST PART CALM0000000123991