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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 WINDSOR cruise from Gibraltar to Tripoli started at 1762-07-08 [dataset]. Public Record Office, Kew, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752906, 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: 33.935000 * Median Longitude: 13.325000 * South-bound Latitude: 33.200000 * West-bound Longitude: 13.210000 * North-bound Latitude: 34.670000 * East-bound Longitude: 13.440000
Date/Time Start: 1762-07-08T00:00:00 * Date/Time End: 1762-07-12T00:00:00
Event(s):
Windsor_PRO_ADM_52/1500 * Latitude: 35.970000 * Longitude: -5.550000 * Date/Time Start: 1762-07-08T00:00:00 * Date/Time End: 1762-07-12T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Windsor (Ship O.T. Line), Voyage: Gibraltar - Tripoli, 1st Observer: Samuel Brooking (Captain), Company: Royal Navy, Other ship information: 60G
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
LandmarkLandmarkName of second landmark
10 BearingBearingBearing of the second landmark
11 LandmarkLandmarkName of third landmark
12 BearingBearingBearing of the third landmark
13 Distance to landmarkDistancearbitrary unitsDistance to the third landmark
14 --1 If position is considered to be coastal (in port or near coastal disturbances)
15 CourseCourseCourse of the ship during the past 24 hours
16 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
17 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.
18 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.
19 Wind force descriptionWind force descrAll reported wind forces on this day
20 Present weatherwwWeather description
21 GustsGusts1 If wind gusts are reported
22 Precipitation/RainRain1 If rain was reported
23 FogFog1 If fog was reported
24 Snow typeSnow1 If snow was reported
25 ThunderThunder1 If thunder and or lightning was reported
26 HailHail1 If hail was reported
27 Sea iceSea ice1 If sea-ice or icebergs were reported
28 IdentificationIDCLIWOC 2.1 line number
Size:
89 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)

Landmark
(Name of second landmark)
10 
Bearing
(Bearing of the second landmark)
11 
Landmark
(Name of third landmark)
12 
Bearing
(Bearing of the third landmark)
13 
Distance [arbitrary units]
(Distance to the third landmark)
14 
-
(1 If position is considered t...)
15 
Course
(Course of the ship during the...)
16 
Distance [arbitrary units]
(Distance travelled during the...)
17 
Decl [deg]
(It is generally accepted by t...)
18 
Wind dir descr
(All reported wind directions ...)
19 
Wind force descr
(All reported wind forces on t...)
20 
ww
(Weather description)
21 
Gusts
(1 If wind gusts are reported)
22 
Rain
(1 If rain was reported)
23 
Fog
(1 If fog was reported)
24 
Snow
(1 If snow was reported)
25 
Thunder
(1 If thunder and or lightning...)
26 
Hail
(1 If hail was reported)
27 
Sea ice
(1 If sea-ice or icebergs were...)
28 
ID
(CLIWOC 2.1 line number)
1762-07-08T00:003602.6TO WINDWARD OF TUNIS BAY1NLITTLE WINDFAIR0000000281287
1762-07-09T00:003386.7PANTHELERAESEGILPICAWNWCAPE BONANWBN1014PM NNW, 8PM, NWBN, 10PM, WNW, 11PM WNW, 1AM, NW, 2AM, NWBW 4AM, NWBW 6AM, NW, 12AM, NNW, NNW4PM MODERATE 12PM FRESH GALES, 8AM, MODERATE 12AM MODERATE4PM FAIR, 12PM CLOUDY 8AM FAIR0000000281288
1762-07-10T11:0034.6713.2131015.4LAMPEDOSAN16W211S29E62.00-161PM NNW 3AM NBW 5AM NW, NWBN1PM FRESH BREEZES, 6AM FRESH GALES, 8AM FRESH GALES, NOON MODERATE GALES1PM FAIR, NOON FAIR0000000281289
1762-07-11T11:0033.2013.44333LAMPEDOSAN16W491S7E-161PM, NNW 6PM, WBN 12PM NBW, NBW1PM MODERATE, 8PM LIGHT AIRS MIDNIGHT LIGHT AIRS, 4AM FRESH BREEZES 8AM FRESH BREEZES1PM-4AM FAIR, 8AM HAZY0000000281290
1762-07-12T00:00236.7TRIPOLI ROAD11PM, N 3PM, NNW 5PM, NBW 8PM, NNW 12PM VARIABLE, 4AM, SSE NOON NNE, NNE1PM MODERATE GALES 12PM LITTLE WIND, NOON MODERATEFAIR0000000281291