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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 RESOURCE cruise from Jamaica to Woolwich started at 1797-06-30 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751753, 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: 39.385946 * Median Longitude: -50.818108 * South-bound Latitude: 25.080000 * West-bound Longitude: -74.600000 * North-bound Latitude: 50.000000 * East-bound Longitude: -14.450000
Date/Time Start: 1797-06-30T17:00:00 * Date/Time End: 1797-08-05T13:00:00
Event(s):
Resource_17970630_NMM_ADM/L/R84 * Latitude Start: 17.700000 * Longitude Start: -76.760000 * Latitude End: 50.320000 * Longitude End: -9.900000 * Date/Time Start: 1797-06-30T00:00:00 * Date/Time End: 1797-08-05T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Resource (6th Rate Frigate), Voyage: Jamaica - Woolwich, 1st Observer: Frederick Watkins (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 ClearnessClearness
17 GustsGusts1 If wind gusts are reported
18 Precipitation/RainRain1 If rain was reported
19 FogFog1 If fog was reported
20 Snow typeSnow1 If snow was reported
21 ThunderThunder1 If thunder and or lightning was reported
22 HailHail1 If hail was reported
23 Sea iceSea ice1 If sea-ice or icebergs were reported
24 IdentificationIDCLIWOC 2.1 line number
Size:
704 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 
Clearness
17 
Gusts
(1 If wind gusts are reported)
18 
Rain
(1 If rain was reported)
19 
Fog
(1 If fog was reported)
20 
Snow
(1 If snow was reported)
21 
Thunder
(1 If thunder and or lightning...)
22 
Hail
(1 If hail was reported)
23 
Sea ice
(1 If sea-ice or icebergs were...)
24 
ID
(CLIWOC 2.1 line number)
1797-06-30T17:0025.90-74.60839.3WATLIN ISLANDN5W8N12W63.004EBNFRESH GALES, AM FRESH BREEZESCLEAR WEATHER, AM FAIR0000000210717
1797-07-01T17:0025.08-73.901059.3BERMUDAN50:13E236N22E98.004EBSMODERATE, AM FRESH BREEZESCLOUDY WEATHER0000000210718
1797-07-02T17:0026.20-73.301286.7BERMUDAN52:27E215N28E69.004ESE, SEBEMODERATE BREEZESFINE WEATHER0000000210719
1797-07-03T17:0027.47-72.201266.7BERMUDAN57:59E197N37E95.002EBS, SEBEMODERATEFINE WEATHER0000000210720
1797-07-04T17:0028.80-71.521016.7BERMUDAN60:9E158N25E82.000EBN, EBSMODERATECLOUDY0000000210721
1797-07-05T17:0029.50-70.881011.0BERMUDAN62:34E143N40E55.000EBSLIGHT AIRSCLOUDY0000000210722
1797-07-06T17:0030.10-70.031586.7BERMUDAN64:8E124N51E57.000W, SSEMODERATECLEAR0000000210723
1797-07-07T17:0030.60-69.621016.7BERMUDAN67:22E112N34E40.000EBSMODERATECLOUDY WEATHER0000000210724
1797-07-08T17:0031.92-68.781136.7BERMUDAN77:32E91N31E94.000ESEMODERATEHAZY WEATHER0000000210725
1797-07-09T16:0033.35-67.472549.3BERMUDAS81E70N36E114.00-5SSW, WBSFRESH BREEZESHAZY WEATHER0000000210726
1797-07-10T16:0034.83-65.972206.7GRAND BANKSN57:4E264N49E188.00-5SWBW, SWFRESH BREEZES, AM MODERATECLOUDY WEATHER, AM HAZY0000000210727
1797-07-11T16:0034.50-65.032206.7GRAND BANKSN5:43E243N50E60.00-5SWMODERATEHAZY WEATHER0000000210728
1797-07-12T16:0034.25-63.572206.7GRAND BANKSN58:27E213N52E91.00-5SE, SWMODERATE BREEZES, AT 7 MODERATEFINE WEATHER, AT 7 CLEAR0000000210729
1797-07-13T16:0036.97-61.671289.3GRAND BANKSN61:43E170N48E221.00-7SEFRESH BREEZESHAZY WEATHER0000000210730
1797-07-14T16:0038.37-59.17123GRAND BANKSN64:24E122N56E143.00-12SEBS, SEFRESH GALES AND SQUALLY, AM SQUALLYAM RAIN0100000210731
1797-07-15T16:0039.72-57.131219.3GRAND BANKSN71:51E83N50E122.00-14SEFRESH BREEZESCLOUDY WEATHER0000000210732
1797-07-16T16:0040.93-54.921449.3GRAND BANKSS41E38N54E124.00-14SSEFRESH BREEZESCLOUDY WEATHER0000000210733
1797-07-17T16:0042.30-53.481449.3GRAND BANKSN5:47E34N47E229.00-14SSEFRESH BREEZESCLEAR WEATHER0000000210734
1797-07-18T15:0042.37-52.123626.7CAPE RACEN72:39E242N82E69.00-16VARIABLEMODERATERAINHAZY0100000210735
1797-07-19T15:0042.42-51.883621.0CAPE CLEARN72:33E594N74E11.00-16VARIABLEAT NOON LIGHT AIRSTHICK FOGGY WEATHERAT NOON HAZY0010000210736
1797-07-20T15:0042.37-50.701191.0CAPE CLEARN71:39E584N81E49.00-16SEAT NOON LIGHT AIRSTHICK FOGGY WEATHERAT NOON HAZY0010000210737
1797-07-21T15:0042.63-49.221592.6CAPE CLEARN71:37E563N83E129.00-21SLIGHT BREEZESTHICK FOGGY WEATHER0010000210738
1797-07-22T15:0042.97-46.683279.3CAPE CLEARN71:39E528N78E114.00-22NW, NBWFRESH BREEZESCLOUDY WEATHER0000000210739
1797-07-23T15:0043.53-44.433279.3CAPE CLEARN71:37E491N70E103.00-22NBWFRESH BREEZESCLOUDY WEATHER0000000210740
1797-07-24T15:0044.08-42.653499.3CAPE CLEARN72:12E471N65E88.00-22N, NBEFRESH BREEZESCLOUDY WEATHER0000000210741
1797-07-25T15:0044.35-41.073269.3CAPE CLEARN71:59E448N77E75.00-23W, W1/2S, NBWFRESH BREEZESCLOUDY WEATHER0000000210742
1797-07-26T15:0044.87-39.322479.3CAPE CLEARN72:19E424N65E82.00-23VARIABLE, WFRESH BREEZESCLOUDY WEATHER0000000210743
1797-07-27T15:0045.00-37.87337CAPE CLEARN71:45E394N85E105.00-23NFRESH GALES AND SQUALLY, AM SQUALLY WEATHER0000000210744
1797-07-28T14:0045.25-36.073489.3CAPE CLEARN71:17E378N80E77.00-23NBEFRESH BREEZESCLOUDY0000000210745
1797-07-29T14:0045.92-34.883379.3CAPE CLEARN72:15E354N68E99.00-23WNW, NFRESH BREEZESCLOUDY WEATHER, AM THICK HAZY WEATHER0000000210746
1797-07-30T14:0046.73-31.752249.3CAPE CLEARN72:50E311N67E140.00-24NW, WSWFRESH BREEZESHAZY WEATHER0000000210747
1797-07-31T14:0047.28-29.373366.7CAPE CLEARN73:02E274N71E104.00-24NMODERATEHAZY WEATHER0000000210748
1797-08-01T14:0048.18-25.772879.3CAPE CLEARN73:43E225N68E155.00-28NWFRESH BREEZESFINE WEATHER0000000210749
1797-08-02T14:0049.07-22.673109.3CAPE CLEARN75:29E178N67E133.00-28NNWFRESH BREEZESCLOUDY WEATHER0000000210750
1797-08-03T13:0049.50-19.533226.7CAPE CLEARN74:46E137N78E127.00-27NBWMODERATECLOUDY WEATHER0000000210751
1797-08-04T13:0050.00-16.602669.3CAPE CLEARN74:29E97N75E117.00-27NWBN, WNWFRESH BREEZESAM HAZY0000000210752
1797-08-05T13:0049.97-14.453626.7SCILLYN89:38E100N88E83.00-27VARIABLEMODERATERAINCLOUDY0100000210753