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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 COVENTRY cruise from Teneriffe to St. Augustins Bay started at 1775-04-28 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.747957, 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: -16.509375 * Median Longitude: -4.181375 * South-bound Latitude: -36.250000 * West-bound Longitude: -25.230000 * North-bound Latitude: 25.470000 * East-bound Longitude: 43.500000
Date/Time Start: 1775-04-28T00:00:00 * Date/Time End: 1775-07-17T09:00:00
Event(s):
Coventry_17750428_NMM_ADM/L/C214 * Latitude Start: 29.280000 * Longitude Start: -17.560000 * Latitude End: -23.630000 * Longitude End: 43.410000 * Date/Time Start: 1775-04-28T00:00:00 * Date/Time End: 1775-07-17T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Coventry (6th Rate Frigate), Voyage: Teneriffe - St Augustins Bay, Madagascar, 1st Observer: Benjamin Marlow (Captain), 2nd Observer: George Smith (1st Officer/Master), Company: Royal Navy, Other ship information: 28G 586BM
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:
1531 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)
1775-04-28T00:003386.7ST CROIX ROADNBW8SWBSENE, NNWMODERATEFAIR WEATHER000000045627
1775-04-29T13:0025.47-17.42529.3TENERIFFEN31E61S13W183.00-16ENEFRESH BREEZESHAZY WEATHER000000045628
1775-04-30T13:0022.98-17.4279.3CAPE BLANCOS9E58S13W183.00-16NNEFRESH BREEZESHAZY WEATHER000000045629
1775-05-01T13:0020.13-18.63329.3CAPE BLANCON64E18S8W155.00-13NEFRESH BREEZESHAZY WEATHER000000045630
1775-05-02T13:0017.50-18.83109.3ISLE DE SALS79W68S4W159.00-13NNEFRESH BREEZESHAZY WEATHER000000045631
1775-05-03T13:0016.78-21.633596.7ISLE DE SALN86W18S75W165.00-12NNW, NBEMODERATE BREEZESHAZY WEATHER000000045632
1775-05-04T14:0015.90-22.50119.3BONA VISTA, SOUTH PARTNWBN4-12NNEFRESH BREEZESHAZY WEATHER000000045633
1775-05-05T14:0015.60-23.76256.7BONA VISTA, W POINTSWBW-9NEBNMODERATECLOUDY000000045634
1775-05-06T14:0013.82-24.75146.7ST JAGON02E26S02W79.00-9NNEMODERATE BREEZESHAZY WEATHER000000045635
1775-05-07T14:0011.98-23.52376.7ST JAGON13W65S83E120.00-8NEMODERATE BREEZESCLEAR WEATHER000000045636
1775-05-08T13:0010.95-20.90576.7ST JAGON20W103S32E120.00-11ENEMODERATE BREEZESCLEAR WEATHER000000045637
1775-05-09T13:008.27-19.73346.7ST JAGON23W150S30E14.00-11NEMODERATE BREEZESCLEAR WEATHER000000045638
1775-05-10T13:006.17-19.20356.7ST JAGON21W198S14E131.00-10NEMODERATE BREEZESCLEAR WEATHER000000045639
1775-05-11T13:005.43-19.353612.6ST JAGON16W205S10W45.00-10VARIABLE, CALMFIRST AND LATTER PARTS LIGHT BREEZES, MIDDLE HEAVY SQUALLYMIDDLE THUNDER AND LIGHTNINGMIDDLE RAINCLOUDY010010045640
1775-05-12T13:004.45-19.65305ST JAGON16W222S17W62.00-10W, NWFIRST AND MIDDLE PARTS LIGHT AIRS, LATTER HARD SQUALLSLATTER HEAVY RAINHAZY010000045641
1775-05-13T13:004.38-20.053611.0ST JAGON14W221S79W24.00-10W, WSW, CALMCALM TILL MIDNIGHT THEN LIGHT AIRSFAIR WEATHER000000045642
1775-05-14T13:003.83-19.703621.0ST JAGON15W233S30E38.00-10VARIABLELIGHT AIRSTHUNDER AND LIGHTNINGRAIN IN THE MIDDLE PARTCLOUDY010010045643
1775-05-15T13:003.15-19.602832.6ST JAGON15W244S15E32.00-10SSW, WNWLITTLE WINDTHUNDER AND LIGHTNING ALL THE MIDDLE PARTRAIN MOST OF THESE 24 HOURSCLOUDY010010045644
1775-05-16T13:002.77-18.732159.3ST JAGON18W261S58E62.00-10SWFRESH BREEZESCLOUDY WEATHER000000045645
1775-05-17T13:002.83-19.733610.0ST JAGON15W269S48E28.00-10SSW, CALMLITTLE WIND THE FIRST PART, MIDDLE AND LATTER CALMMIDDLE AND LATTER RAINMIDDLE AND LATTER CALM010000045646
1775-05-18T13:002.27-19.281711.0ST JAGON15W266S80E56.00-9S, NEBN, SLIGHT AIRSFIRST PART HAZY, MIDDLE AND LATTER CLEAR000000045647
1775-05-19T13:002.00-19.331942.6ST JAGON14W271S10W57.00-9SSWLIGHT BREEZESCLEAR000000045648
1775-05-20T13:001.37-19.133629.3ST JAGON15W284S18E40.00-9VARIABLEFRESH BREEZESHEAVY RAIN IN THE MIDDLE PARTLATTER FAIR010000045649
1775-05-21T13:000.95-18.131822.6ST JAGON18W298S67E65.00-9S, SSW, SBWLIGHT BREEZESCLEAR WEATHER000000045650
1775-05-22T13:000.62-17.272142.6ST JAGON20W310S69E56.00-11SWLIGHT BREEZESCLEAR WEATHER000000045651
1775-05-23T13:00-0.32-18.381152.6ST JAGON15W321S49W86.00-9S, SSELIGHT BREEZESCLEAR WEATHER000000045652
1775-05-24T13:00-1.57-19.501376.7ST JAGON11W334S42W101.00-9SSEMODERATE BREEZESCLOUDY000000045653
1775-05-25T13:00-3.28-20.85127ST JAGON06W370S38W131.00-8SEFAIR WEATHER000000045654
1775-05-26T13:00-5.17-21.85105ST JAGON2W406S28W128.00-8ESEFAIR WEATHER000000045655
1775-05-27T13:00-7.08-22.23105ST JAGON1W445S11W117.00-8ESEFAIR WEATHER000000045656
1775-05-28T14:00-9.28-22.63109ST JAGON489S10W134.00-4ESEFAIR WEATHER000000045657
1775-05-29T14:00-11.75-22.681099.3ST JAGON530S01W148.00-4EBSFRESH BREEZESCLOUDY000000045658
1775-05-30T14:00-14.00-23.051109.3ST JAGON35E583S9W137.00-3ESEFRESH BREEZESCLOUDY000000045659
1775-05-31T14:00-16.33-23.221109.3ST JAGON50E630S4W140.00-3ESEFRESH BREEZESCLOUDY000000045660
1775-06-01T14:00-18.53-23.301119.3ST JAGON55E675S02W141.00-2ESEFRESH BREEZESCLOUDY000000045661
1775-06-02T14:00-20.05-23.171116.7ST JAGON704S5W91.00-2ESEMODERATE BREEZESHAZY WEATHER000000045662
1775-06-03T14:00-20.62-23.581561.0ST JAGON01E715S34W41.00-2E, SE, SSELIGHT AIRSHAZY WEATHER000000045663
1775-06-04T14:00-21.93-24.401111.0ST JAGON02E742S30W91.00-2S, SSE, ESELIGHT AIRSHAZY WEATHER000000045664
1775-06-05T14:00-23.52-23.40123ST JAGON02E774S95.00-1E, EBN, SEBESQUALLYFLYING SHOWERS OF RAIN110000045665
1775-06-06T14:00-25.48-23.52559.3ST JAGON35E813S22E128.00-1E, EBN, NEBEFRESH BREEZESCLEAR WEATHER000000045666
1775-06-07T14:00-27.50-25.233159.3ST JAGON02E854S45E172.000NE, NWFRESH BREEZESCLEAR WEATHER000000045667
1775-06-08T14:00-28.22-25.223629.3CAPE OF GOOD HOPES79E678S50E67.000VARIABLEFRESH BREEZES AND VARIABLE AND SQUALLY AT TIMESRAIN010000045668
1775-06-09T13:00-29.55-21.351116.7CAPE OF GOOD HOPES82E685S35W97.00-2SSE, SE, ESEMODERATECLOUDY000000045669
1775-06-10T13:00-29.92-21.233611.0CAPE OF GOOD HOPES82E684S16E24.00-2SEBE, CALMLIGHT AIRSCLEAR WEATHER000000045670
1775-06-11T13:00-30.27-20.582682.6CAPE OF GOOD HOPES83E670S58E39.00-2CALM, WCALM THE FIRST PART, LATTER LIGHT BREEZES000000045671
1775-06-12T13:00-31.08-17.922916.7CAPE OF GOOD HOPES84E621S70E142.00-2WNWMODERATE BREEZESFAIR WEATHER000000045672
1775-06-13T13:00-30.90-15.871306.7CAPE OF GOOD HOPES83E587N84E111.00-5W, SEMODERATE BREEZESSWELL FROM THE WESTWARDFAIR WEATHER000000045673
1775-06-14T13:00-31.92-13.68141CAPE OF GOOD HOPES85E532S68E167.00-5W, SWBS, SEBSLIGHT BREEZES THE FIRST PART, MIDDLE MODERATE, LATTER SQUALLYMIDDLE THICK HAZY WEATHER000000045674
1775-06-15T13:00-32.47-8.9520615.4CAPE OF GOOD HOPES85E462S81E206.00-8SWBSMODERATE GALES AND SQUALLYFLYING SHOWERS OF RAINLARGE SEACLOUDY110000045675
1775-06-16T12:00-32.92-5.472059.3CAPE OF GOOD HOPES85E407S81E175.00-9SWBSFRESH BREEZESCLOUDY WEATHER000000045676
1775-06-17T12:00-32.75-3.1817119.0CAPE OF GOOD HOPES85E373N85E117.00-9SBE, S, SBW, SFRESH GALES AND SQUALLY WEATHER000000045677
1775-06-18T12:00-32.47-1.872126.7CAPE OF GOOD HOPES84E345N84E67.00-13S, SSE, SWFRESH GALES AND SQUALLY, MIDDLE AND LATTER MODERATERAIN IN THE FIRST PART010000045678
1775-06-19T12:00-33.770.232136.7CAPE OF GOOD HOPES88E311S57E125.00-12SWMODERATE BREEZESCLOUDY WEATHER000000045679
1775-06-20T12:00-33.501.502136.7CAPE OF GOOD HOPES88E287N75E63.00-12SWMODERATE BREEZESCLOUDY WEATHER000000045680
1775-06-21T12:00-34.902.12786.7CAPE OF GOOD HOPEN88E273S20E90.00-12EMODERATE BREEZESCLOUDY WEATHER000000045681
1775-06-22T12:00-35.483.13762.6CAPE OF GOOD HOPEN85E254S55E60.00-14ELITTLE WINDSMALL RAIN AT TIMES010000045682
1775-06-23T12:00-35.503.752561.0CAPE OF GOOD HOPEN85E244S88E30.00-14WLIGHT AIRS AND CALMSA SWELL FROM THE WESTWARD000000045683
1775-06-24T12:00-35.634.703611.0CAPE OF GOOD HOPEN84E229S80E46.00-14W, CALMLIGHT AIRSHAZY WEATHER000000045684
1775-06-25T12:00-35.235.9416619.0CAPE OF GOOD HOPEN84E188N79E125.00-14WSW, SFIRST PART LIGHT BREEZES, MIDDLE AND LATTER FRESH AND SQUALLYCLOUDY000000045685
1775-06-26T12:00-35.527.201106.7CAPE OF GOOD HOPEN83E189S17.00-14SSE, EBS, SEBESQUALLY THE FIRST PART, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER CLEAR000000045686
1775-06-27T11:00-36.008.032191.0CAPE OF GOOD HOPEN80E176S54E50.00-17SEBE, SWBWFRESH BREEZES THE FIRST PART, MIDDLE AND LATTER LIGHT AIRS000000045687
1775-06-28T11:00-35.879.931529.3CAPE OF GOOD HOPEN78E145N85E97.00-17SBW, SBEFRESH BREEZESCLOUDY000000045688
1775-06-29T11:00-35.9012.923196.7CAPE OF GOOD HOPEN72E97S88E145.00-19NW, WNW, NNWMODERATE BREEZESCLOUDY WEATHER000000045689
1775-06-30T11:00-35.8717.053419.3CAPE OF GOOD HOPEN42E40E201.00-19NFRESH BREEZESCLOUDY000000045690
1775-07-01T11:00-35.9020.783499.3CAPE LAGULLASN44W19S44E56.00-22NBW, N, NBEFRESH BREEZESCLOUDY000000045691
1775-07-02T10:00-35.9523.423626.7CAPE LAGULLASN69W60S80E140.00-24NW, SW, VARIABLEMODERATEFLYING SHOWERS OF RAINCLOUDY110000045692
1775-07-03T10:00-36.0223.923621.0CAPE LAGULLASN68W69S59E28.00-24SEBE, CALM, VARIABLELIGHT AIRS AND CALMSA SWELL FROM THE NE000000045693
1775-07-04T10:00-36.2525.483622.6CAPE LAGULLASN73W93S87E78.00-24CALM, VARIABLEFIRST PART CALM, LIGHT BREEZES THE REST OF THE 24 HOURSFIRST PART CLOUDY000000045694
1775-07-05T10:00-35.9727.283610.0CAPE LAGULLASN80W120N79E89.00-24NNW, NBE, CALMLIGHT BREEZES, AT 11AM CALMCLOUDY WEATHER000000045695
1775-07-06T10:00-36.2029.28436.7CAPE LAGULLASN80W154S82E103.00-25CALM, EBS, ENEFIRST PART CALM, MIDDLE AND LATTER MODERATE BREEZESA HEAVY DUE IN THE NIGHT000000045696
1775-07-07T10:00-36.0232.073589.3CAPE LAGULLASN83W199N85E140.00-25NE, NNE,FRESH BREEZESHAZY WEATHER000000045697
1775-07-08T10:00-35.3834.122226.7CAPE LAGULLASN88W246N74E141.00-26NNE, N, WSWMODERATE BREEZESHAZY000000045698
1775-07-09T10:00-34.6336.482446.7CAPE LAGULLASN36E221N61E100.00-26WMODERATE BREEZESHAZY WEATHER000000045699
1775-07-10T09:00-34.3837.783621.0CAPE LAGULLASN31E205N77E69.00-27VARIABLELIGHT AIRSCLOUDY WEATHER000000045700
1775-07-11T09:00-31.8539.752891.0CAPE LAGULLASN31E144N33E182.00-26NWLIGHT AIRSCLOUDY WEATHER000000045701
1775-07-12T09:00-30.2540.833121.0CAPE LAGULLASN31E107N30E111.00-26NNWLIGHT AIRSCLOUDY WEATHER000000045702
1775-07-13T09:00-28.6041.683001.0CAPE LAGULLASN35E72N24E109.00-26NNW, NWBNLIGHT AIRSCLOUDY WEATHER000000045703
1775-07-14T09:00-27.1542.152911.0CAPE LAGULLASN48E44N16E90.00-24NNW, NWBW, NWLIGHT AIRSCLEAR WEATHER000000045704
1775-07-15T09:00-25.9042.152461.0CAPE LAGULLASN82E33N75.00-24NWBN, WLIGHT AIRSA LARGE SWELL FROM THE SOUTHWARDCLEAR WEATHER000000045705
1775-07-16T09:00-24.1042.871121.0ST AUGUSTINE BAYN68E33N20E115.00-23SW, SELIGHT AIRSCLEAR WEATHER000000045706
1775-07-17T09:00-23.7543.501129.3SANDY ISLE OF THE SOUTHSIDE OF ST AUGUSTINENE11-23SWBS, S, SEFRESH BREEZESCLOUDY WEATHER000000045707