Not logged in
PANGAEA.
Data Publisher for Earth & Environmental Science

García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D; Koek, Frits B (2010): Meteorological observations during PORTLAND cruise from Portsmouth to St. Helena started at 1771-01-12 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751267, 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

Always quote citation above when using data! You can download the citation in several formats below.

RIS CitationBibTeX CitationShow MapGoogle Earth

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: 0.822353 * Median Longitude: -16.857059 * South-bound Latitude: -30.480000 * West-bound Longitude: -28.120000 * North-bound Latitude: 48.950000 * East-bound Longitude: 2.580000
Date/Time Start: 1771-01-12T12:00:00 * Date/Time End: 1771-03-23T12:00:00
Event(s):
Portland_17710112_NMM_ADM/L/P209 * Latitude Start: 50.750000 * Longitude Start: -0.980000 * Latitude End: -15.890000 * Longitude End: -5.750000 * Date/Time Start: 1771-01-12T00:00:00 * Date/Time End: 1771-03-23T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Portland (4th Rate Frigate), Voyage: Portsmouth - St Helena, 1st Observer: John Elliot (Captain), Company: Royal Navy, Other ship information: 50G 1044BM
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 IdentificationIDCLIWOC 2.1 line number
Size:
1120 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 
ID
(CLIWOC 2.1 line number)
1771-01-12T12:0048.95-3.85926.71S56W183.00-21EBS, ESEFIRST PART FRESH GALES, MIDDLE STRONG GALES AND SQUALLY, LATTER MORE MODERATEMIDDLE SNOWFIRST PART HAZY0001000193390
1771-01-13T12:0047.58-7.17476.7S55W157.00-21SE, E, ENEFIRST AND MIDDLE PARTS FRESH GALES, LATTER MODERATEFIRST AND MIDDLE PARTS RAINLATTER CLEAR0100000193391
1771-01-14T13:0045.43-10.157019.0SW176.00-20ENE, EFIRST AND MIDDLE PARTS MODERATE, LATTER FRESH GALESFIRST AND MIDDLE PARTS RAINFIRST AND MIDDLE PARTS CLOUDY, LATTER FAIR0100000193392
1771-01-15T13:0041.87-13.237122.6S32W153.00-19ESE, ESTRONG GALESHAZY0000000193393
1771-01-17T13:0035.93-12.622536.7S1/2E157.00-17N, NW, W, WBS, WSW, WFIRST PART STRONG GALES, MIDDLE AND LATTER MODERATEFIRST PART RAINMIDDLE AND LATTER HAZY0100000193394
1771-01-18T13:0033.83-12.623096.7S126.00-17WNW, NW, NWBNFIRST PART FRESH GALES, MIDDLE SQUALLY, LATTER MODERATEMIDDLE RAINFIRST AND LATTER PARTS HAZY0100000193395
1771-01-19T13:0033.17-12.822769.3S14W42.00-17W, VARIABLE, WNWFRESH BREEZES AND SQUALLY0000100193396
1771-01-20T13:0033.28-12.5232119.0N68E16.00-17NWBN, NW, NNWFRESH GALES AND SQUALLY0000000193397
1771-01-21T13:0033.00-12.423316.7S20E17.00-18NW, NWBN, NBWFIRST AND MIDDLE PARTS SQUALLY, LATTER MODERATEFIRST AND MIDDLE PARTS LIGHTNINGFIRST AND MIDDLE RAINLATTER CLOUDY0100100193398
1771-01-22T13:0032.78-14.28516.7S8W76.00-17N, NNE, ENEFIRST PART MODERATE, MIDDLE LITTLE WIND, LATTER MODERATE BREEZESGREAT SWELL FROM NWFIRST PART HAZY, MIDDLE AND LATTER CLOUDY0000000193399
1771-01-23T13:0032.95-15.773541.0N82W76.00-17NE, NNE, NBEFIRST AND MIDDLE PARTS MODERATE, LATTER LIGHT AIRSCLOUDY0000000193400
1771-01-24T00:001012.6SOUTHERNMOST OF THE DESERTS (MADEIRA)NNE10NNE, NEBE, NE, SE, ESE, SEBE, EBSLIGHT BREEZESLATTER RAINCLOUDY0100000193401
1771-01-25T13:0030.17-18.803622.6S36W159.00-15SSE, SBE, S, SBW, VARIABLEFIRST AND MIDDLE PARTS HARD GALES, LATTER LITTLE WINDLIGHTNING TO NW AT 3AMRAIN0100100193402
1771-01-26T13:0029.87-19.571546.7S54W49.00-15ESE, SEBS, SBW, SBEFIRST PART LIGHT AIRS, MIDDLE HARD SQUALLS, LATTER MODERATEFIRST PART HEAVY RAINLATTER FAIR0100000193403
1771-01-27T13:0028.22-20.791209.3S29W116.00-15SSW, SEBS, SEFIRST PART LITTLE WIND, MIDDLE AND LATTER FRESH BREEZESCLOUDY0000000193404
1771-01-28T13:0025.73-21.871229.3S21W160.00-13SEBS, ESE, SEFIRST AND LATTER PARTS FRESH BREEZES, MIDDLE LITTLE WINDFIRST AND LATTER HAZY0000000193405
1771-01-29T14:0022.88-23.0468S21W184.00-11E, ENE, EBNFIRST AND MIDDLE PARTS FRESH BREEZESCLOUDY0000000193406
1771-01-30T14:0019.92-24.40699.3S23W195.00-10EBN, E, EBNFRESH BREEZESHAZY0000000193407
1771-01-31T14:0018.15-25.09352.6S18W113.00-10E, EBS, ENE, NEFIRST AND MIDDLE PARTS FRESH BREEZES, LATTER LIGHT BREEZESFIRST AND MIDDLE PART CLOUDY, LATTER HAZY0000000193408
1771-02-01T14:0016.73-25.591371.0S17W91.00-9ENE, EBS, E, NNW, VARIABLE, SE, SEBSFIRST PART LITTLE WINDS, MIDDLE FRESH BREEZES, LATTER LIGHT AIRSHAZY0000000193409
1771-02-02T14:0015.55-25.44812.6S7E71.00-9ESE, NW, NBE, ELITTLE WINDSHAZY0000000193410
1771-02-03T14:0013.75-24.70596.7S21E116.00-9N, ENEMODERATEFAIR0000000193411
1771-02-04T14:0011.90-23.69602.6S29E128.00-8NE, ENELIGHT BREEZESCLEAR0000000193412
1771-02-05T13:009.78-22.37696.7S30E148.00-10NEBE, ENE, EBNMODERATE BREEZESHAZY0000000193413
1771-02-06T13:008.20-21.25466.7S31E110.00-10ENE, NEBEMODERATEHAZY0000000193414
1771-02-07T13:006.50-20.42596.7S31E115.00-9ENEMODERATEHAZY0000000193415
1771-02-08T13:005.88-19.9714S35E46.00-9ENE, VARIABLE, NW, NNEFIRST PART LIGHT BREEZES, MIDDLE AND LATTER SQUALLYMIDDLE AND LATTER RAINFIRST PART CLOUDY0100000193416
1771-02-09T13:004.65-19.44362.6S22E80.00-9NNE, NEBN, NELIGHT BREEZESMIDDLE AND LATTER HARD RAINFIRST PART FAIR0100000193417
1771-02-10T13:004.28-19.293622.6S21E24.00-9NNE, SW, NE, VARIABLELIGHT BREEZESRAIN0100000193418
1771-02-11T13:003.63-19.171041.0S10E46.00-9SBW, SSW, ENE, ESEFIRST AND LATTER PART LIGHT AIRS, MIDDLE FRESH BREEZESCLOUDY0000000193419
1771-02-12T13:003.38-19.251491.0S19W16.00-9E, S, SSELIGHT AIRSCLOUDY0000000193420
1771-02-13T13:003.00-19.1936S14E17.00-9SBW, VARIABLE, NEFIRST AND MIDDLE PARTS MODERATE, LATTER SQUALLYLATTER RAINFIRST AND MIDDLE PARTS CLOUDY0100000193421
1771-02-14T13:002.97-19.27921.0S64W7.00-9NE, ESE, EBSFIRST PART LIGHT AIRS, MIDDLE AND LATTER LIGHT AIRSFIRST PART HEAVY RAINMIDDLE AND LATTER CLOUDY0100000193422
1771-02-15T13:002.75-19.841601.0S62W33.00-9ESE, SSE, SBELIGHT AIRSMIDDLE RAINFIRST AND LATTER PARTS CLOUDY0100000193423
1771-02-16T13:002.53-20.141606.7S53W22.00-9S, SBW, SBEFIRST AND MIDDLE PARTS LIGHT BREEZES, LATTER MODERATECLOUDY0000000193424
1771-02-17T13:002.00-21.421616.7S66W84.00-8SBW, SSE, SBEFIRST PART MODERATE, MIDDLE LIGHT BREEZES, LATTER MODERATEFIRST AND MIDDLE PARTS FAIR, LATTER CLOUDY0000000193425
1771-02-18T13:000.87-22.421386.7S42W88.00-8SBE, SSE, SEBSFIRST AND MIDDLE PARTS LITTLE WINDS, LATTER MODERATECLOUDY0000000193426
1771-02-19T14:000.40-23.051522.6S31W76.00-6SEBS, SE, SSELIGHT BREEZESFAIR0000000193427
1771-02-20T14:00-1.40-23.551522.6S22W77.00-6SE, SEBE, SSELITTLE WINDSFAIR0000000193428
1771-02-22T14:00-4.65-24.621086.7S17W116.00-5ESE, SEBE, ESEMODERATEFAIR0000000193429
1771-02-23T14:00-6.43-25.191086.7S17W117.00-5ESE, SEBE, SE, ESEFIRST AND LATTER PARTS MODERATE, MIDDLE FRESH BREEZESFIRST AND LATTER PARTS FAIR, MIDDLE CLOUDY0000000193430
1771-02-24T14:00-8.58-25.49926.7S8W132.00-4SEBE, EBS, E, E1/2SMODERATEHAZY0000000193431
1771-02-25T14:00-10.72-25.55869.3S2W134.00-4E, EBS, EFIRST PART MODERATE, MIDDLE AND LATTER FRESH BREEZESFIRSR PART FAIR, MIDDLE AND LATTER CLOUDY0000000193432
1771-02-26T14:00-13.32-25.851109.3S7W156.00-3EBS, E, ESEFIRST PART LIGHT BREEZES, MIDDLE AND LATTER FRESH BREEZESFAIR0000000193433
1771-02-27T14:00-15.28-26.25989.3S8W161.00-3ESE, EBN, EBSFRESH BREEZESCLOUDY0000000193434
1771-02-28T14:00-18.55-26.55889.3S6W158.00-2E, SEBE, ESE, EBS, EFIRST PART LIGHT BREEZESM MIDDLE AND LATTER FRESH BREEZESFAIR0000000193435
1771-03-01T14:00-20.42-27.39999.3TRINIDADES21S23W122.00-2EBS, ESE, EBSFIRST AND MIDDLE PARTS FRESH BREEZES AND SQUALLY, LATTER FRESH BREEZESMIDDLE RAINLATTER CLOUDY0100000193436
1771-03-02T14:00-22.02-27.72916.7S11W99.001EBS, ESE, EFIRST PART FRESH BREESZES, MIDDLE HARD SQUALLS, LATTER MODERATEMIDDLE HEAVY RAINLATTER FAIR0100000193437
1771-03-03T14:00-23.82-27.991036.7S8W110.002EBS, ESE, EBSFIRST PART LIGHT BREEZES, MIDDLE SQUALLY, LATTER MODERATEFIRST AND LATTER FAIR, MIDDLE CLOUDY0000000193438
1771-03-04T14:00-24.70-28.12472.6S8W55.002EBN, ESE, NELIGHT BREEZESFAIR0000000193439
1771-03-05T14:00-25.90-27.423376.7S23E82.00-1NNE, NBE, NNWFIRST AND MIDDLE PARTS LITTLE WINDS, LATTER MODERATEFIRST AND MIDDLE PARTS CLOUDY, LATTER FAIR0000000193440
1771-03-06T14:00-27.30-24.0735919.0S60E116.00-1NW, NNW, NFRESH GALES AND SQUALLYRAIN0100000193441
1771-03-07T14:00-28.35-22.85350S69E187.001N, WNW, NBWFIRST AND MIDDLE PARTS FRESH GALES, LATTER SQUALLYCLOUDY0000000193442
1771-03-08T13:00-28.83-17.852916.7S81E160.00-2NW, NBE, WNWFIRST PART FRESH GALES, MIDDLE AND LATTER MODERATEFIRST PART RAINFIRST PART CLOUDY, MIDDLE AND LATTER HAZY0100000193443
1771-03-09T13:00-29.27-15.0069.3S81E154.00-5NBEFRESH BREEZESFAIR0000000193444
1771-03-10T13:00-29.88-12.72299.3S74W125.00-5NNE, NEBNFIRST PART MODERATE, MIDDLE AND LATTER FRESH BREEZESCLOUDY0000000193445
1771-03-11T13:00-30.27-9.60279.3S83E167.00-7NNE, NEBNFIRST PART MODERATE, MIDDLE AND LATTER FRESH BREEZESCLOUDY0000000193446
1771-03-12T12:00-30.27-7.4213E118.00-10N, NNEFIRST PART MODERATE, MIDDLE AND LATTER SQUALLYFAIR0000000193447
1771-03-13T12:00-30.33-5.24356.7S88E110.00-10NBE, NNE, NEMODERATEFAIR0000000193448
1771-03-14T12:00-30.48-3.40132.6S33E95.00-10NEBN, NE, NNEFIRST PART FRESH BREEZES, MIDDLE MODERATE, LATTER LITTLE WINDFIRST PART HAZY, MIDDLE AND LATTER CLOUDY0000000193449
1771-03-15T12:00-29.80-2.80916.7N39E50.00-10NNE, WNW, EBSFIRST AND MIDDLE PARTS LIGHT AIRS, LATTER MODERATECLOUDY0000000193450
1771-03-16T12:00-28.42-1.921129.3N82E96.00-12ESE, SEBEFRESH BREEZESFAIR0000000193451
1771-03-17T12:00-26.43-0.721119.3NNE1/2E136.00-13ESE, SEBEFIRST PART MODERATE, MIDDLE AND LATTER FRESH BREEZESFIRST PART CLOUDY, MIDDLE AND LATTER HAZY0000000193452
1771-03-18T12:00-23.930.351119.3N20E167.00-13SEBEFIRST PART FRESH BREEZES, MIDDLE AND LATTER FRESH BREEZES AND SQUALLYCLOUDY0000000193453
1771-03-19T12:00-21.071.451109.3N20E183.00-14SEBE, EBS, SEBEFRESH BREEZESCLOUDY0000000193454
1771-03-20T12:00-18.272.41121N18E180.00-14EBS, ESE, SEFIRST PART FRESH BREEZES, MIDDLE AND LATTER SQUALLYCLOUDY0000000193455
1771-03-21T12:00-15.972.581419.3N4E138.00-17SEBE, SE, SSEFRESH BREEZESFAIR0000000193456
1771-03-22T12:00-15.950.53986.7W118.00-15SBE, SEBE, ESEMODERATEFIRST PART FAIR, MIDDLE AND LATTER CLOUDY0000000193457
1771-03-23T12:00-15.93-1.401096.7W111.00-15SEBEMODERATECLOUDY0000000193458