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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 HECTOR cruise from Spithead to St. Helena started at 1795-05-26 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.749554, 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: -6.104051 * Median Longitude: -23.358734 * South-bound Latitude: -28.100000 * West-bound Longitude: -38.400000 * North-bound Latitude: 49.120000 * East-bound Longitude: -1.800000
Date/Time Start: 1795-05-26T13:00:00 * Date/Time End: 1795-08-25T12:00:00
Event(s):
Hector_17950526_NMM_ADM/L/H118 * Latitude Start: 50.680000 * Longitude Start: -0.960000 * Latitude End: -15.890000 * Longitude End: -5.750000 * Date/Time Start: 1795-05-26T00:00:00 * Date/Time End: 1795-08-25T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Hector (3rd Rate Frigate), Voyage: Spithead - St Helena, 1st Observer: Robert Montague (Captain), Company: Royal Navy, Other ship information: 74G 1606BM
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 Precipitation descriptionPrecip descr
16 State of the sea descriptionState sea descr
17 ClearnessClearness
18 GustsGusts1 If wind gusts are reported
19 Precipitation/RainRain1 If rain was reported
20 FogFog1 If fog was reported
21 Snow typeSnow1 If snow was reported
22 ThunderThunder1 If thunder and or lightning was reported
23 HailHail1 If hail was reported
24 Sea iceSea ice1 If sea-ice or icebergs were reported
25 CommentComment
26 IdentificationIDCLIWOC 2.1 line number
Size:
1439 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 
Precip descr
16 
State sea descr
17 
Clearness
18 
Gusts
(1 If wind gusts are reported)
19 
Rain
(1 If rain was reported)
20 
Fog
(1 If fog was reported)
21 
Snow
(1 If snow was reported)
22 
Thunder
(1 If thunder and or lightning...)
23 
Hail
(1 If hail was reported)
24 
Sea ice
(1 If sea-ice or icebergs were...)
25 
Comment
26 
ID
(CLIWOC 2.1 line number)
1795-05-26T13:0049.12-7.727619.0S61W112.00-25ESE, EBSFIRST AND MIDDLE PARTS FRESH GALES, LATTER FRESH GALESFIRST AND MIDDLE PARTS CLOUDY, LATTER HAZY0000000108626
1795-05-27T13:0046.98-9.1278-23EBSPM FRESH GALESPM CLOUDY0000000108627
1795-05-28T13:0046.82-10.5390CAPE FINISTERES12:30E83S42W169.00-23ESEFIRST AND MIDDLE PARTS STRONG GALES AND SQUALLYLATTER A HEAVY SEA0000000108628
1795-05-29T13:0044.17-13.1889ST MARYSS52W185S33W261.00-24ESEFIRST AND MIDDLE PARTS STRONG GALES AND SQUALLY0000000108629
1795-05-30T13:0038.18-16.3323S14W186.00-22VARIABLE, NNE, NEFIRST AND MIDDLE PARTS FRESH GALESFIRST AND MIDDLE PARTS CLOUDY0000000108630
1795-05-31T13:0035.52-16.833519.3S11W166.00-20NBEFRESH BREEZES, AM FRESH BREEZESAM SMALL RAINCLOUDY WEATHER0100000108631
1795-06-01T13:0033.28-17.33259.3WEST END OF MADEIRASSW8S10W147.00-20NEFRESH BREEZESSHOWERS OF RAINHAZY WEATHER1100000108632
1795-06-02T13:0031.85-18.183206.7PALMAS57E65S33W70.00-18VARIABLE, NNE, NNWLIGHT BREEZES, AM MODERATESHOWERS OF RAINAM CLOUDY1100000108633
1795-06-03T13:0030.37-18.182636.7S88.00-18WBNLIGHT BREEZES, MODERATE BREEZESCLEAR0000000108634
1795-06-04T00:002481.0WEST END OF PALMASWBS7WSWLIGHT BREEZES, AM LIGHT BREEZES INCLINABLE TO CALM0000000108635
1795-06-05T00:003151.0SW END OF FERROSE9NWLIGHT AIRSCLEAR0000000108636
1795-06-06T13:0026.23-19.33282.6S26W118.00-17NELIGHT BREEZESCLEAR0000000108637
1795-06-07T13:0023.77-20.15289.3SALS14:30W151SBW1/2W151.00-17NESTEADY BREEZESCLEAR0000000108638
1795-06-08T13:0021.38-21.52539.3ST NICHOLAS, E-ENDS25W112S28:30W159.00-15ENEFRESH BREEZESCLOUDY0000000108639
1795-06-09T13:0018.57-22.434119.0SALS11W44S17W157.00-15NEBEFRESH BREEZES, AM FRESH GALESCLOUDY0000000108640
1795-06-10T14:0016.38-23.47566.7S24W144.00-12ENEFRESH BREEZES, AT 8 MODERATE BREEZESCLOUDY, AT 8 HAZY0000000a trivial correction was made in this observation108641
1795-06-11T00:0090PRAYAWNW4EPM LIGHT BREEZESPM HAZY0000000108642
1795-06-12T14:0012.63-23.40101S135.00-12NE, NNE, ESEPM MODERATE BREEZESPM HAZY0000000108643
1795-06-13T14:0010.83-23.3345CAPE AUGUSTINES31W445S2E111.00-11NE, NEBEPM LIGHT BREEZES0000100108644
1795-06-14T14:009.45-23.08791.0CAPE AUGUSTINES22:50W185S11:15E92.00-11NW, NWBW, EPM LIGHT BREEZES, AM LIGHT AIRS INCLINABLE TO CALMSPM HAZY0000000108645
1795-06-15T14:007.48-23.081256.7CAPE AUGUSTINES28W150S118.00-10SEBS, SEPM MODERATE BREEZES, AM MODERATE BREEZESPM HAZY0000100108646
1795-06-16T14:006.47-23.081031.0S58.00-10VARIABLE, E, ESEPM LIGHT BREEZES, AM LIGHT AIRSPM CLOUDY0000000108647
1795-06-17T14:004.80-23.60806.7S17W106.00-10VARIABLE, NNE, EPM LIGHT BREEZES, AM MODERATE BREEZESPM CLOUDY0000000108648
1795-06-18T14:003.90-24.40359.3S42W173.00-10SE, NEPM LIGHT BREEZES, AM FRESH BREEZESPM CLOUDY0000000108649
1795-06-19T14:002.87-25.18125ISLE OF ST PAULSS36W77.00-10SEBE, SEPM MODERATE BREEZESPM CLEAR0000000108650
1795-06-20T14:001.75-25.831159.3ISLE OF ST PAULSS30W77.00-9SE, SEBEPM LIGHT BREEZES, AM FRESH BREEZESPM CLEAR0000000108651
1795-06-21T14:000.70-26.73137SAN SALVADORS46W388S41W83.00-9EBS, SEBSPM FRESH BREEZESPM CLEAR0000000108652
1795-06-22T14:00-0.78-27.77140S37W111.00-6ESE, SEBSPM FRESH BREEZESPM CLOUDY0000000108653
1795-06-23T14:00-2.47-28.7595SAN SALVADORS41:30W288S30W118.00-6ESE, SSW, EBSPM STEADY BREEZESPM CLOUDY0000000108654
1795-06-24T14:00-4.57-29.42119S17W130.00-5SE, SWBS, SEBEPM FRESH BREEZESPM CLOUDY0000000108655
1795-06-25T14:00-5.37-30.22119S45W67.00-5SE, SWBS, SEBEPM STEADY BREEZESPM CLEAR0000000108656
1795-06-26T14:00-6.53-31.10108ST AUGUSTINES38W51S36W84.00-5SEBE, ESEPM STEADY BREEZESPM CLEAR0000000108657
1795-06-27T14:00-7.20-31.50362CAPE AUGUSTINES46W34S28W47.00-5SSW, VARIABLEPM FRESH BREEZESPM CLOUDY0000000108658
1795-06-28T14:00-7.50-31.721659.3S32W21.00-4VARIABLE, E, SBEPM SQUALLY, AM FRESH BREEZESPM HEAVY SHOWERS OF RAINAM CLOUDY1100000108659
1795-06-29T14:00-7.25-31.9396N21W17.00-5VARIABLE, SEBS, EBSPM HEAVY SHOWERS OF RAINPM CLOUDY1100000108660
1795-06-30T14:00-7.72-31.921546.7S9W26.00-4SE, SEBE, SSESQUALLY, AM MODERATESHOWERS OF RAINAM CLEAR1100000108661
1795-07-01T14:00-8.05-32.47120-4VARIABLE, SE, SEBEPM MODERATE BREEZESPM CLOUDY0000000108662
1795-07-02T14:00-8.32-32.65134CAPE AUGUSTINESWBW12S31W15.00-1SEBS, VARIABLE, SEBE, SEPM LIGHT BREEZES, AM SQUALLYAM SHOWERS OF RAINPM CLEAR1100000108663
1795-07-03T14:00-9.45-35.00112S52.00-1ESEPM FRESH BREEZESPM CLOUDY0000000108664
1795-07-04T14:00-10.60-35.18112S9W68.00-1VARIABLE, ESEPM STRONG BREEZESPM CLEAR0000000108665
1795-07-05T14:00-12.35-36.40134S31W127.00-1SEBS, SEPM STRONG BREEZESPM CLEAR0000000108666
1795-07-06T15:00-13.00-37.851156.7SAN SALVADOR, E OFW31S65W93.002ESEPM MODERATE BREEZES, AM MODERATE BREEZES WITH SQUALLS AT TIMESPM CLEAR0000000108667
1795-07-17T15:00-12.70-37.87171SAN SALVADORN70W77N70E51.002SE, SBEPM LIGHT BREEZES, AM SQUALLYSHOWERS OF RAINPM CLOUDY1100000108668
1795-07-18T15:00-14.10-38.40137S18W90.002VARIABLE, SEPM FRESH BREEZESPM CLOUDY0000000108669
1795-07-19T15:00-14.52-38.22103PORTO SEGUROS28W53N24E28.002SE, EBSPM FRESH BREEZES AND SQUALLYHEAVY SHOWERS OF RAIN1100000108670
1795-07-20T15:00-14.58-37.681039.3PORTO SEGUROS38W58S83E33.002ESE, VARIABLE, EBSPM FRESH BREEZES AND SQUALLY, AM FRESH BREEZESAM CLOUDY0000000108671
1795-07-21T15:00-15.15-37.6892PORTO SEGUROS48W47S42.002EPM FRESH BREEZESA HEAVY SWELL FROM THE EASTWARDPM CLOUDY0000000108672
1795-07-22T15:00-15.77-37.73103BANKS OF ALBANOSS21W49S4W99.002VARIABLE, EBSPM STRONG GALESA HEAVY SWELL FROM THE EASTWARDPM CLOUDY0000000108673
1795-07-23T15:00-17.47-37.68103BANKS OF ALBANOSS58W20S2W102.002ESE, EASTERLY, EBSPM FRESH BREEZESPM CLEAR0000000108674
1795-07-24T14:00-18.83-37.22114CAPE THOMASS44W87S18E86.001E, VARIABLE, ESEPM FRESH BREEZESPM CLOUDY0000000108675
1795-07-25T14:00-19.75-36.15911.0TRINIDADS85W122S49E81.001NE, ENE, EPM LIGHT BREEZES, LIGHT BREEZES INCLINABLE TO CALMPM CLOUDY0000000108676
1795-07-26T14:00-20.77-35.0846TRINIDADN83E85S47E83.001ENE, NEPM LIGHT BREEZESPM CLEAR0000000108677
1795-07-27T14:00-21.65-33.92571.0TRINIDADN65E66S51E81.001NE, NEBEPM MODERATE BREEZES, AM LIGHT AIRS AND VARIABLEPM CLEAR0000000108678
1795-07-28T14:00-22.52-32.7758TRINIDADN41E59S54E81.002NEBEPM LIGHT AIRS AND VARIABLE0000000108679
1795-07-29T14:00-22.78-32.63471.0TRINIDADN37E63S24E77.002VARIABLE, NEPM LIGHT AIRS INCLINABLE TO CALM, AM LIGHT AIRS0000000108680
1795-07-30T14:00-23.20-33.20115TRINIDADN32E77S56W41.002SEBS, NEBE, ESEPM CLOUDYPM CLOUDY0000000108681
1795-07-31T14:00-24.17-32.802TRINIDADN28E89S21E60.002NE, VARIABLE, NPM LIGHT AIRSAM FLYING SHOWERS OF RAINPM CLOUDY, AM CLOUDY1100000108682
1795-08-01T14:00-25.73-31.383629.3TRINIDADN7E118S41E118.00-1VARIABLEPM STEADY BREEZES, AM FRESH BREEZESPM CLEAR, AM CLOUDY0000000108683
1795-08-02T14:00-26.78-28.97559.3SAXIMBUYS64E176S64E144.00-1NEBEPM MODERATE BREEZES, AM FRESH BREEZESPM CLOUDY0000000108684
1795-08-03T14:00-27.22-26.273019.0SAXIMBUYS59E136S79E158.00-4NNE, NBE, NEBNPM FRESH BREEZES, AM FRESH GALESAM CLOUDY0000000108685
1795-08-04T14:00-27.23-24.607ST HELENAN57E413E89.00-4NNE, NBEPM LIGHT BREEZESPM CLOUDY0000000108686
1795-08-05T13:00-27.02-22.38353ST HELENAN54E367N83E120.00-7SW, WSW, NPM LIGHT BREEZESPM CLEAR0000000108687
1795-08-06T13:00-25.57-20.452862.6ST HELENAN52E339N76E107.00-7W, WNWPM MODERATE BREEZES, AM LIGHT BREEZESPM CLOUDY0000000108688
1795-08-07T13:00-26.30-19.28286ST HELENAN50E320N76E65.00-7W, WNWPM STEADY BREEZESPM CLEAR0000000108689
1795-08-08T13:00-26.02-18.25362ST HELENAN49E304N74E58.00-7VARIABLE, NNE, VARIABLEPM LIGHT AIRSPM CLOUDY0000000108690
1795-08-09T13:00-25.63-16.4811.0ST HELENAN45:15E272N76E98.00-10N, VARIABLE, NBEPM LIGHT AIRS INCLINABLE TO CALM0000000108691
1795-08-10T13:00-25.17-14.631ST HELENAN41:30E248N75E105.00-10VARIABLE, NEBN, NBEPM FRESH BREEZESRAIN AT TIMESPM CLEAR0100000108692
1795-08-11T13:00-25.90-14.003391.0ST HELENAN45E232N64E38.00-10NBE, VARIABLE, S, NBWPM LIGHT BREEZES, AM LIGHT AIRS INCLINABLE TO CALMPM CLOUDY0000000108693
1795-08-12T13:00-24.47-13.873621.0ST HELENAN39:45E223N16E25.00-10EBS, VARIABLEPM LIGHT AIRS INCLINABLE TO CALM, AM LIGHT AIRSAM SHOWERS OF RAIN1100000108694
1795-08-13T13:00-24.27-13.25362ST HELENAN39E214N72:30E34.00-10ESE, SEBE, VARIABLEPM MODERATE BREEZEPM CLOUDY0000000108695
1795-08-14T13:00-26.07-13.25103ST HELENAN34:30E248S109.00-10E, ESEPM FRESH BREEZESPM CLOUDY0000000108696
1795-08-15T13:00-27.17-12.62103ST HELENAN29E255S27E72.00-10VARIABLE, E, ESEPM LIGHT BREEZESPM CLOUDY0000000108697
1795-08-16T13:00-28.10-11.42732.6ST HELENAN22:30E262S49:20E83.00-11EBN, ENE, VARIABLE, E1/2NPM MODERATE BREEZES, AM LIGHT BREEZESPM CLEAR, AM CLOUDY0000000108698
1795-08-17T13:00-28.07-9.4823ST HELENAN15E251E102.00-11VARIABLE, NNE, NEBNPM MODERATE BREEZESPM CLEAR0000000108699
1795-08-18T13:00-27.20-7.583599.3ST HELENAN7E227N62:30E113.00-12N, VARIABLE, N1/2W, NBEPM MODERATE BREEZES, AM FRESH BREEZESRAINPM CLOUDY0100000108700
1795-08-19T12:00-25.70-6.0534522.6ST HELENAN198N43E121.00-15NNW, WBS, NPM FRESH BREEZES, AM STRONG GALES AND SQUALLYPM CLOUDY0000000108701
1795-08-20T12:00-24.00-4.38278ST HELENAN10:40W165N42E135.00-15VARIABLE, NNW, WNWPM FRESH GALESPM CLOUDY0000000108702
1795-08-21T12:00-22.67-3.453629.3ST HELENAN24W147N3395.00-15NNW, SW, VARIABLEPM MODERATE, AM STEADY BREEZESPM CLEAR, AM CLOUDY0000000108703
1795-08-22T12:00-20.87-2.433626.7ST HELENAN34:30W119N28E122.00-18VARIABLEPM LIGHT AIRS INCLINABLE TO CALM, AM MODERATEAM CLEAR0000000108704
1795-08-23T12:00-17.45-1.80105ST HELENAN69:00W87N10E207.00-19SEBEPM FRESH BREEZESPM CLOUDY0000000108705
1795-08-24T12:00-16.02-3.801186.7ST HELENAW46N55:30E144.00-17SEBS, VARIABLE, SBE, SEPM FRESH BREEZES, AM MODERATEPM HAZY, AM CLOUDY0000000108706
1795-08-25T12:00-15.97-6.35141ST HELENAWNW1/2W7N88:45W139.00-17SSEPM FRESH BREEZESPM CLOUDY0000000108707