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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 AMPHITRITE cruise from Spithead to Carlise Bay started at 1797-11-13 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.747354, 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: 31.269535 * Median Longitude: -26.260930 * South-bound Latitude: 13.070000 * West-bound Longitude: -57.670000 * North-bound Latitude: 49.820000 * East-bound Longitude: -7.020000
Date/Time Start: 1797-11-13T12:00:00 * Date/Time End: 1797-12-25T16:00:00
Event(s):
Amphitrite_17971113_NMM_ADM/L/A123 * Latitude Start: 50.680000 * Longitude Start: -0.960000 * Latitude End: 13.000000 * Longitude End: -60.150000 * Date/Time Start: 1797-11-13T00:00:00 * Date/Time End: 1797-12-25T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Amphitrite (6th Rate Frigate), Voyage: Spithead - Carlise Bay, 1st Observer: Charles Ekins (Captain), Company: Royal Navy, Other ship information: 28G 593BM
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 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:
687 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 
Gusts
(1 If wind gusts are reported)
17 
Rain
(1 If rain was reported)
18 
Fog
(1 If fog was reported)
19 
Snow
(1 If snow was reported)
20 
Thunder
(1 If thunder and or lightning...)
21 
Hail
(1 If hail was reported)
22 
Sea ice
(1 If sea-ice or icebergs were...)
23 
ID
(CLIWOC 2.1 line number)
1797-11-13T12:0049.25-7.02661.0S57W82.00-24ELIGHT AIRSCLEAR000000010098
1797-11-14T13:0049.63-8.081776.7N59W48.00-26SSWSTRONG BREEZES, AM MORE MODERATEHAZY000000010099
1797-11-15T13:0049.27-7.882891.0S17E26.00-26NWLIGHT AIRSHAZY000000010100
1797-11-16T13:0049.82-9.031912.3N51W57.00-26W, NESTRONG BREEZESCLOUDYSMALL RAIN010000010101
1797-11-17T13:0048.30-11.831922.6S58W143.00-26NESTRONG GALES AND SQUALLYRAIN010000010102
1797-11-18T13:0047.33-14.5233612.3S62W122.00-24NE-NSTRONG BREEZESCLOUDY000000010103
1797-11-19T13:0046.25-17.032112.3S58W125.00-24NNE-NESTRONG BREEZES AND SQUALLYRAIN010000010104
1797-11-20T13:0044.13-18.67212.6S50W91.00-24NELIGHT BREEZESCLOUDY000000010105
1797-11-21T13:0043.50-19.95212.6S47W71.00-24NELIGHT BREEZESCLOUDY000000010106
1797-11-22T13:0042.35-20.72682.6S37W53.00-22NW-ELIGHT BREEZESFINE000000010107
1797-11-23T13:0041.80-21.701581.0S53W55.00-22SE-SLIGHT AIRSCLOUDY000000010108
1797-11-24T13:0041.10-21.1820312.3S26E51.00-22SWSTRONG BREEZESCLOUDY000000010109
1797-11-25T13:0040.63-20.1315812.3S60E54.00-22SW-SSTRONG BREEZESCLEAR000000010110
1797-11-26T13:0039.68-19.922719.3S36E98.00-22WBS, WNWFRESH BREEZESCLOUDY000000010111
1797-11-27T13:0039.37-20.102031.0S22W23.00-22N-SWLIGHT AIRSCLEAR000000010112
1797-11-28T13:0038.37-19.952312.3S5E61.00-22SW-NESTRONG BREEZESCLOUDY000000010113
1797-11-29T13:0036.62-20.602952.6S8W23.00-20NWLIGHT BREEZESCLEAR000000010114
1797-11-30T13:0035.20-20.572282.6S9E86.00-20NW-WSWLIGHT BREEZESCLEAR000000010115
1797-12-01T13:0034.08-20.4325012.3S5E68.00-20WSTRONG BREEZESCLOUDY000000010116
1797-12-02T13:0033.33-20.532392.6S6W48.00-20W-WBSLIGHT BREEZESHEAVY RAIN010000010117
1797-12-03T13:0032.40-20.1224112.3S18E67.00-18WBSSTRONG BREEZESCLOUDY000000010118
1797-12-04T13:0031.70-19.351856.7MADEIRA, E-ENDN1/2E10-18SSWMODERATECLEAR, AM FINE PLEASANT000000010119
1797-12-05T13:0031.00-18.581402.6S40W117.00-18S-SSEAM LIGHT BREEZESPM FINE PLEASANT000000010120
1797-12-06T13:0029.80-19.371172.6S29W82.00-18SEPM STRONG BREEZES, AM LIGHT BREEZESCLEAR, AM CLOUDY000000010121
1797-12-07T13:0028.40-20.4811712.3S35W101.00-18SESTRONG BREEZESHAZY000000010122
1797-12-08T13:0026.97-21.8511812.3S40W113.00-17SEMODERATE, AM STRONG BREEZESCLEAR000000010123
1797-12-09T14:0025.67-23.859812.3S59W132.00-15ESESTRONG BREEZESCLEAR000000010124
1797-12-10T14:0024.48-26.1064S60W142.00-15EBNFINE PLEASANT000000010125
1797-12-11T14:0023.35-28.226612.3S60W135.00-13EBNSTRONG BREEZESCLOUDY000000010126
1797-12-12T14:0022.25-30.552472.6S3W145.00-12WBSLIGHT BREEZESCLEAR000000010127
1797-12-13T14:0021.20-32.00562.6S52W102.00-12ENELIGHT BREEZESCLEAR000000010128
1797-12-14T14:0020.57-33.57472.6S66W96.00-9NEBELIGHT BREEZESCLEAR, AM FINE AND PLEASANT000000010129
1797-12-15T14:0019.72-35.08592.6S63W100.00-9ENELIGHT BREEZESSMALL RAIN010000010130
1797-12-16T14:0019.07-36.60596.7S65W95.00-9ENEMODERATECLEAR000000010131
1797-12-17T15:0018.23-38.2594S62W105.00-7EBSPM MODERATE, AM SQUALLYCLEARRAIN010000010132
1797-12-18T15:0017.43-40.20746.7S67W121.00-5EBNLIGHT BREEZES, AM MODERATECLOUDY000000010133
1797-12-19T15:0016.63-42.42749.3S69W136.00-5EBNFRESH BREEZESCLOUDY000000010134
1797-12-20T15:0015.97-44.65766.7S73W136.00-3EBNLIGHT BREEZES, AM MODERATECLOUDY, AM CLEAR000000010135
1797-12-21T15:0015.37-46.72766.7S73W126.00-3EBNLIGHT BREEZES, AM MODERATECLOUDY, AM CLEAR000000010136
1797-12-22T15:0014.48-48.90789.3S68W143.00-1EBNFRESH BREEZES AND SQUALLY000000010137
1797-12-23T15:0013.72-51.187812.3S71W146.00-1EBNSTRONG BREEZESRAIN010000010138
1797-12-24T16:0013.07-53.67802.6S71W113.001EBNLIGHT BREEZES AND SQUALLYRAIN010000010139
1797-12-25T16:0013.10-57.67262.6N89W117.003NNELIGHT BREEZESCLEAR000000010140