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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 TRIDENT cruise from St. Hellens to Spithead started at 1795-12-10 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752519, 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: 46.011458 * Median Longitude: -13.546667 * South-bound Latitude: 40.570000 * West-bound Longitude: -20.100000 * North-bound Latitude: 49.950000 * East-bound Longitude: -3.420000
Date/Time Start: 1795-12-10T12:00:00 * Date/Time End: 1796-01-28T12:00:00
Event(s):
Trident_17951210_NMM_ADM/L/T237 * Latitude Start: 53.550000 * Longitude Start: -3.360000 * Latitude End: 49.950000 * Longitude End: -3.550000 * Date/Time Start: 1795-12-10T00:00:00 * Date/Time End: 1796-01-28T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Trident (3rd Rate Frigate), Voyage: St Hellens - Spihead (Cruising), 1st Observer: Edward Osborn (Captain), 2nd Observer: John Rowe (1st Officer/Master), Company: Royal Navy, Other ship information: 64G 1366BM
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
--1 If position is considered to be coastal (in port or near coastal disturbances)
10 CourseCourseCourse of the ship during the past 24 hours
11 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
12 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.
13 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.
14 Wind force descriptionWind force descrAll reported wind forces on this day
15 Present weatherwwWeather description
16 Precipitation descriptionPrecip descr
17 State of the sea descriptionState sea descr
18 ClearnessClearness
19 GustsGusts1 If wind gusts are reported
20 Precipitation/RainRain1 If rain was reported
21 FogFog1 If fog was reported
22 Snow typeSnow1 If snow was reported
23 ThunderThunder1 If thunder and or lightning was reported
24 HailHail1 If hail was reported
25 Sea iceSea ice1 If sea-ice or icebergs were reported
26 CommentComment
27 IdentificationIDCLIWOC 2.1 line number
Size:
854 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)

-
(1 If position is considered t...)
10 
Course
(Course of the ship during the...)
11 
Distance [arbitrary units]
(Distance travelled during the...)
12 
Decl [deg]
(It is generally accepted by t...)
13 
Wind dir descr
(All reported wind directions ...)
14 
Wind force descr
(All reported wind forces on t...)
15 
ww
(Weather description)
16 
Precip descr
17 
State sea descr
18 
Clearness
19 
Gusts
(1 If wind gusts are reported)
20 
Rain
(1 If rain was reported)
21 
Fog
(1 If fog was reported)
22 
Snow
(1 If snow was reported)
23 
Thunder
(1 If thunder and or lightning...)
24 
Hail
(1 If hail was reported)
25 
Sea ice
(1 If sea-ice or icebergs were...)
26 
Comment
27 
ID
(CLIWOC 2.1 line number)
1795-12-10T12:0049.00-3.422112.3START POINTN30W101SBW112.00-24NESTRONG BREEZES0000000258113
1795-12-11T12:0049.17-6.48779.3SCILLYN7W16S70W131.00-24SE, EBSFRESH BREEZES0000000258114
1795-12-12T13:0048.62-9.231449.3CAPE CLEARN3W53S73W114.00-25SBEFRESH BREEZES0000000258115
1795-12-13T13:0048.73-9.92155SCILLYN60E47S62E29.00-25SSW, SFRESH BREEZES THEN HEAVY SQUALLS0000000258116
1795-12-14T13:0048.28-9.4517822.6USHANTN86E57S45E40.00-25WNW, SSWSTRONG GALES0000000258117
1795-12-15T13:0048.62-9.68178CAPE CLEARN3W51N23W72.00-25SSWSQUALLYCLOUDY0000000258118
1795-12-16T13:0048.88-9.97189CAPE CLEARN3E47N28W24.00-25SWBSHAZY0000000258119
1795-12-18T13:0048.83-10.221782.6CAPE CLEARN6E48S83W26.00-25WBN, SSWLIGHT BREEZES0000000258120
1795-12-19T13:0049.33-10.10234CAPE CLEARN54N9E26.00-25W, WBSSQUALLY0000000258121
1795-12-20T13:0048.55-9.75245CAPE CLEARN54S19E41.00-25WHEAVY SWELLHAZY0000100258122
1795-12-21T13:0049.17-10.032349.3CAPE CLEARN4E43N17W40.00-25WBSFRESH BREEZES0000000258123
1795-12-22T13:0049.03-8.8720022.6CAPE CLEARN15W46S80E46.00-25SWBW, SWSTRONG GALES0000000258124
1795-12-23T13:0048.73-8.5224522.6SCILLYN40E32S58E30.00-25WNW, WSTRONG GALESHEAVY SWELL FROM WNW0000000258125
1795-12-24T13:0049.00-9.03223SCILLYN80E42N23W53.00-25WSWSQUALLYHAZY0000000258126
1795-12-25T13:0049.27-8.882231.0SCILLYN64E32S20E18.00-25W, WSWSQUALLY THEN LIGHT AIRSRAIN0100000258127
1795-12-26T13:0048.28-9.88659.3CORVOS60W342S40W63.00-25ENE, EFRESH BREEZES0000000258128
1795-12-27T13:0048.35-11.431216.7CORVOS53W324N35W63.00-25SWBS, SEBSMODERATE BREEZES0000000258129
1795-12-28T13:0048.27-11.77200CORVOS58W320S30W16.00-25WSW, SWCLOUDY0000000258130
1795-12-29T13:0048.77-11.6722312.3SCILLYN70E71N7E31.00-25WBS, WSWSTRONG BREEZESSWELL FROM SW0000000258131
1795-12-30T13:0048.58-12.409CORVOS56W317S69W31.00-25NEBNHAZY0000000258132
1795-12-31T13:0048.87-13.0321019.0CORVOS55W310N47W34.00-26SWBWFRESH GALES0000000258133
1796-01-01T13:0047.62-13.0325422.6CAPE FINNISTERS35E98S30.00-27WBNSTRONG GALES0000000258134
1796-01-02T13:0046.45-13.282699.3CAPE FINNISTERS39E77S8W71.00-24WNWFRESH BREEZES0000000258135
1796-01-03T13:0045.02-13.57257CAPE FINNISTERS56E77S8W90.00-24WBNSQUALLY0000000258136
1796-01-04T13:0045.07-14.402352.6CAPE FINNISTERS55E86N84W38.00-24WNW, WBSLIGHT BREEZES0000000258137
1796-01-05T13:0045.12-15.622572.6CAPE FINNISTERS63E99N34W51.00-24WBNLIGHT BREEZES0000000a trivial correction was made in this observation258138
1796-01-06T13:0045.12-17.08190CORVOS62W243W62.00-24SWBSCLOUDY0000000258139
1796-01-07T13:0045.20-18.38179CORVOS59W213N84W56.00-24SSWSQUALLYCLOUDY0000000258140
1796-01-08T13:0045.35-18.9517922.6CORVOS57W210N68E27.00-24SW, SSWSTRONG GALES, SQUALLY0000000258141
1796-01-09T13:0043.22-20.05314CORVOS66W173S21W139.00-24NNWCLOUDY0000000258142
1796-01-10T13:0041.63-20.05293ST MARYSS39W117S95.00-22NWCLOUDY0000000258143
1796-01-11T13:0040.73-19.88237ST MARYSS84W120S7E57.00-22WBSCLOUDY0000000258144
1796-01-12T13:0040.57-19.052149.3ST MARYSS58W116S16E46.00-22SEBS, SWBWFRESH BREEZES0000000258145
1796-01-13T13:0040.85-20.1018122.6ST MARYSS46W110N70W50.00-22SSWSTRONG GALES0000000258146
1796-01-14T13:0041.20-19.70181ST MARYSS45W120N40E25.00-22SSWSQUALLY0000000258147
1796-01-15T13:0041.33-18.57226ST MARYSS53W133N35E52.00-22WSWSQUALLY0000000258148
1796-01-16T13:0041.92-18.92181ST MARYSS44W136NNW40.00-22SSWSQUALLY0000000258149
1796-01-17T13:0042.10-19.82169ST MARYSS38W126N74W42.00-22SBWSQUALLYHEAVY SEA FROM SW0000000258150
1796-01-18T13:0041.97-19.051929.3ST MARYSS43W136S86E36.00-22NWBW, SWBSFRESH BREEZES0000000258151
1796-01-19T13:0042.50-19.28282ST MARYSS39W143N22W27.00-22NWBWSQUALLY0000000258152
1796-01-20T13:0042.20-18.47271ST MARYSS48W156S63E40.00-22WNWSQUALLY AND HARD GALES0000000258153
1796-01-21T13:0042.93-18.28212ST MARYSS41W157N11E47.00-24WBN, SWBWHEAVY SQUALLS0000000258154
1796-01-23T13:0041.85-17.652489.3ST MARYSS50W150S46E46.00-22WFRESH BREEZES0000000258155
1796-01-24T13:0042.65-17.0821222.6SCILLYS45E68N23E54.00-24SWBWSTRONG GALES0000000258156
1796-01-25T13:0045.07-14.3021222.6SCILLYS47E48N49E183.00-24SWBWSTRONG GALES0000000258157
1796-01-26T13:0047.57-11.2528922.6SCILLYS52E77N39E195.00-26WBN, NWSTRONG GALES0000000258158
1796-01-27T12:0049.03-7.1522422.6SCILLYS21E20N62E183.00-24WBS, WSWSTRONG GALES0000000258159
1796-01-28T12:0049.95-3.552019.3PORTLANDS51E181N71E148.00-24W, SWFRESH BREEZES0000000258160