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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 SHEERNESS cruise from Cape Nicholas to The Downs started at 1798-12-12 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752119, 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: 27.307500 * Median Longitude: -63.033500 * South-bound Latitude: 22.920000 * West-bound Longitude: -72.830000 * North-bound Latitude: 33.530000 * East-bound Longitude: -49.200000
Date/Time Start: 1798-12-12T17:00:00 * Date/Time End: 1798-12-31T15:00:00
Event(s):
Sheerness_17981212_NMM_ADM/L/S266 * Latitude Start: 23.730000 * Longitude Start: -75.070000 * Latitude End: 47.720000 * Longitude End: -5.280000 * Date/Time Start: 1798-12-12T00:00:00 * Date/Time End: 1798-12-31T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Sheerness (5th Rate Frigate), Voyage: Cape Nicholas - Downs, 1st Observer: William Hanwell (Captain), Company: Royal Navy, Other ship information: 44G 896BM
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 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
14 Current speed descriptionV descr
15 Wind force descriptionWind force descrAll reported wind forces on this day
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 IdentificationIDCLIWOC 2.1 line number
Size:
359 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 
Cur dir descr
(Direction of the current. Thi...)
14 
V descr
15 
Wind force descr
(All reported wind forces on t...)
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 
ID
(CLIWOC 2.1 line number)
1798-12-12T17:0022.92-72.832291.0N80E36.004N, VARIABLE, SWLIGHT AIRSCLOUDY0000000236088
1798-12-13T17:0022.98-72.1058BERMUDAN35:12E247N78E23.002ESE, NEBESQUALLY0000000236089
1798-12-14T17:0024.08-72.10816.7BERMUDAN34:50E279N80E70.002ENE, EBNMODERATECLOUDY0000000236090
1798-12-15T17:0024.43-71.871371.0BERMUDAN41E237N29E28.002SEBE, SELIGHT AIRSCLOUDY0000000236091
1798-12-16T17:0024.90-70.603061.0BERMUDAN40E205N67E76.002NW, NWBWLIGHT AIRS0000000236092
1798-12-17T17:0025.02-69.113409.3BERMUDAN34E180N88E99.002NBW, NNWFRESH BREEZESCLOUDY0000000236093
1798-12-18T17:0025.35-67.623171.0BERMUDAN32E158N73E73.002NWBW, NWLIGHT AIRSHEAVY SWELL FROM NNW0000000236094
1798-12-19T16:0025.57-66.77316BERMUDAN24E148N74E50.001NBW, NWSQUALLYRAIN AT TIMES0100000236095
1798-12-20T16:0025.60-66.623160.0BERMUDAN23E149N72E9.001SSW, NWSET WBS0.25 MPHCALMS0000000236096
1798-12-21T16:0026.18-66.002490.0BERMUDAN22E131N45E49.001WBS, WSWCALMS0000000236097
1798-12-22T16:0026.42-65.07249BERMUDAN12E120N74E50.001VARIABLE, WSW0000000236098
1798-12-23T16:0027.55-63.403136.7BERMUDAN71N49E114.00-2SWBW, NWBREEZES0000000236099
1798-12-24T16:0028.75-60.7321022.6BERMUDAN33:12W86N61E157.00-4W, SWBSSTRONG GALES AND SQUALLY0000000236100
1798-12-25T16:0029.83-57.8331119.0CORVON68E489N60E158.00-4NWBW, NWFRESH GALES AND SQUALLY0000000236101
1798-12-26T16:0030.45-55.9228722.6CORVON19E453N69E108.00-6NWBW1/2W, WNWHEAVY GALES0000000236102
1798-12-27T16:0030.00-54.80298CORVON74E433N64E64.00-6NW, N, NWBW0000000236103
1798-12-28T16:0029.82-53.8017CORVON64E416N80E53.00-6NNEHEAVY SEA0000000236104
1798-12-29T16:0030.75-52.653326.7CORVON70E391N50E91.00-6NNWMODERATE BREEZESCLOUDY0000000236105
1798-12-30T15:0032.02-51.652171.0CORVON21E368N33E95.00-8SWLIGHT AIRS0000000236106
1798-12-31T15:0033.53-49.2021422.6CORVON70E320N55E161.00-11W, SWSTRONG GALES AND SQUALLY0000000236107