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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 RATTLESNAKE cruise from Simons Bay to Madagascar started at 1800-07-17 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751698, 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: -27.181127 * Median Longitude: 46.059859 * South-bound Latitude: -37.320000 * West-bound Longitude: 20.300000 * North-bound Latitude: -17.820000 * East-bound Longitude: 62.430000
Date/Time Start: 1800-07-17T11:00:00 * Date/Time End: 1800-11-19T00:00:00
Event(s):
Rattlesnake_18000717_NMM_ADM/L/R57 * Latitude Start: -33.380000 * Longitude Start: 17.270000 * Latitude End: -23.670000 * Longitude End: 43.450000 * Date/Time Start: 1800-07-17T00:00:00 * Date/Time End: 1800-11-19T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Rattlesnake (Sloop), Voyage: Simons Bay - Madagascar, 1st Observer: Roger Curtis (Captain), Company: Royal Navy, Other ship information: 16G 330BM
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 IdentificationIDCLIWOC 2.1 line number
Size:
1582 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 
ID
(CLIWOC 2.1 line number)
1800-07-17T11:00-35.7020.3025512.3CAPE LAGULLASN22:3W20S53E126.00-26NW, WBNFRESH BREEZES, AM STRONG BREEZES AND SQUALLYAM RAINCLEAR0100000207532
1800-07-18T10:00-36.7323.023106.7CAPE LAGULLASN48:52W60S63:45E134.00-28NNWFRESH GALES, AM MODERATECLOUDY, AM CLEAR0000000207533
1800-07-19T10:00-37.3225.782819.0CAPE LAGULLASN60:05W104S75:30E133.00-28NWBW, NEBEFRESH BREEZES, AM FRESH GALES AND SQUALLYCLOUDY WEATHER0000100207534
1800-07-20T10:00-36.9729.2522.6CAPE LAGULLASN73W153N83E166.00-29STRONG GALES AND SQUALLYRAIN0100100207535
1800-07-21T10:00-36.1832.2830912.3CAPE LAGULLASN47:46E318N72E166.00-29NNE, S, NNWFRESH GALES AND SQUALLY, AM STRONG BREEZES AND SQUALLY0000000207536
1800-07-22T10:00-35.9235.8230919.0CAPE ST MARYSS39:27E272N86E174.00-29WSW, NNWFRESH GALESCLOUDY0000000207537
1800-07-23T09:00-34.6039.2817422.6CAPE ST MARYSN31:49E217N69E188.00-29SBW, SSWSTRONG BREEZES AND SQUALLY, AT 8 STRONG GALES AND SQUALLYRAIN, AT 8 DRIZZLING RAIN0100000207538
1800-07-24T09:00-33.9042.221626.7CAPE ST MARYSN20:37E181N73:15E146.00-29WSW, SBWMODERATE BREEZESCLOUDY0000000207539
1800-07-25T09:00-32.7045.553106.7CAPE ST MARYSN1:38E143N67:30E196.00-28WNW, NNWFRESH BREEZES, AM MODERATECLOUDY, AM CLEAR0000000207540
1800-07-26T09:00-32.1747.151666.7CAPE BOURBONN33:30E270N67:15E98.00-25SE, NE, SBWMODERATE BREEZESCLEAR0000000207541
1800-07-27T09:00-31.6348.633361.0CAPE BOURBONN29:45E248N67E71.00-24NNE, NMODERATE BREEZES, AT 10 LIGHT AIRSPLEASANT WEATHER0000000207542
1800-07-28T09:00-31.2349.93212.6CAPE BOURBONN25:44E183N70:15E77.00-24NW, NELIGHT BREEZESCLEAR WEATHER0000000207543
1800-07-29T09:00-30.6551.302912.6CAPE BOURBONN25:44E210N63:30E75.00-24WSW, NWLIGHT BREEZESCLOUDY, AM CLEAR0000000207544
1800-07-30T09:00-30.0552.471340.0CAPE BOURBONN16:36E192N59:15E72.00-24ESE, VARIABLE, SSELIGHT AIRS INCLINING TO CALMPLEASANT WEATHER0000000207545
1800-07-31T08:00-30.0553.002270.0CAPE BOURBONN14:55E176N34:30E50.00-21VARIABLE, SBE, WSWLIGHT BREEZES, AM MODERATE BREEZES, AT NOON LIGHT AIRS INCLINED TO CALMPLEASANT WEATHER, AM DARK CLOUDY WEATHER0000000207546
1800-08-01T08:00-28.6353.701142.6CAPE BOURBONN11:53E159N39:45E60.00-21SEBE, SELIGHT BREEZESCLOUDY0000000207547
1800-08-02T08:00-27.5254.08929.3CAPE BOURBONN10:47E135N74E73.00-21ENE, ESEMODERATE BREEZES, AM FRESH BREEZESCLOUDY0000000207548
1800-08-03T08:00-28.3755.92476.7ISLE OF FRANCEN9:27E166S65:45E113.00-21EBE, ENEMODERATE BREEZESCLOUDY0000000207549
1800-08-04T08:00-28.2357.47582.6ISLE OF FRANCEN2:36E163N85E95.00-21NNE, EBNFRESH BREEZES, AM LIGHT BREEZESCLOUDY0000000207550
1800-08-05T08:00-27.4557.773629.3ISLE OF FRANCEN4:26E146N26:15E54.00-15SE, VARIABLELIGHT AIRS, AM FRESH BREEZESSMALL RAINHAZY0100000207551
1800-08-06T08:00-25.5058.29419.3ISLE OF FRANCEN12:21W109N16:52E123.00-15NEBEFRESH BREEZESCLOUDY0000000207552
1800-08-07T08:00-23.5358.301099.3ISLE OF FRANCEN21:10W72N8E120.00-15EBN, SEBEMODERATE BREEZES, AM FRESH BREEZESPLEASANT WEATHER, AM CLOUDY0000000207553
1800-08-08T08:00-21.8858.08679.3ISLE OF FRANCEN19W36N22W109.00-12ENE, EBNMODERATE BREEZES, AM FRESH BREEZESFAIR WEATHER, AM CLEAR0000000207554
1800-08-09T08:00-20.6557.20366.7CAPE BRABANTEBN1/2N6N29:15E54.00-15NE1/2E, NE1/2EFRESH BREEZES, AM MODERATE BREEZESCLEAR, AM CLOUDY0000000207555
1800-08-10T08:00-20.2757.289.3CANNONIERNE31-15LIGHT BREEZES, AT 1 FRESH BREEZESCLEAR0000000207556
1800-08-11T08:00-20.1357.376.7PORT LOUISSSE1-15FRESH BREEZES, AM MODERATE BREEZESHAZY0000000207557
1800-08-12T08:00-20.0057.45362PORT LOUISS21S50:15W15.00-15SE, VARIABLEMODERATE BREEZES, AM SQUALLY UNSETTLED WEATHERCLOUDY0000000207558
1800-08-31T08:00-19.3857.671019.3ROUND ISLANDS10N12:0E48.00-12SE, ESEFRESH BREEZES AND SQUALLY0000000207559
1800-09-01T08:00-18.2058.571239.3PORT LOUISS26W44N26E132.00-12SEBE, SEFRESH BREEZESCLOUDY0000000207560
1800-09-02T08:00-19.6058.831016.7ISLE OF FRANCES64:20W23S10W84.00-12EBS, ESEFRESH BREEZES, AM MODERATE BREEZESCLOUDY0000000207561
1800-09-03T00:00-20.651019.3ISLE OF FRANCEN79:25W24S2E63.00EBSMODERATE BREEZES, AM FRESH BREEZES AND SQUALLYAM RAINCLOUDY0100000207562
1800-09-04T00:00-24.73909.3EBN, EFRESH BREEZES, AT NOON FRESH BREEZES AND SQUALLYSMALL RAINCLOUDY, AM CLEAR0100000207563
1800-09-05T00:00-20.73906.7CAPE BRABANTNNW1/2W4EBS, EFRESH BREEZES, AM MODERATE BREEZESCLEAR, AM CLOUDY0000000207564
1800-09-06T00:00-21.151019.3CAPE BRABANTNBW11ESE, EBSMODERATE BREEZES, AM FRESH BREEZES AND SQUALLYCLOUDY0000000207565
1800-09-07T00:00-21.201.0PORT BOURBONN31:30E17MODERATE BREEZES, AM LIGHT AIRSCLOUDY, AM CLEAR0000000207566
1800-09-08T00:00-20.736.7PORT BOURBONN6LIGHT BREEZES AND SQUALLY, AM MODERATERAINAM PLEASANT WEATHER0100000207567
1800-09-09T00:00-20.006.7ROUND ISLANDW13FRESH BREEZES, AM MODERATE BREEZESCLOUDY0000000207568
1800-09-10T08:00-20.6358.021019.3PORT BOURBONN61:23W8S10:0W40.00-12SEBE, ESEFRESH BREEZESCLOUDY0000000207569
1800-09-11T08:00-20.3558.201239.3PORT BOURBONS60:38W12N32:15E21.00-12SEBS, SEFRESH BREEZES AND SQUALLY0000000207570
1800-09-12T00:00-20.531249.3SEBESTRONG BREEZES AND SQUALLY, AM FRESH BREEZES AND SQUALLYAM SOME RAIN0100000207571
1800-09-13T00:00-20.551246.7PORT BOURBONWNW8SE, SEBEFRESH BREEZES, AM MODERATE BREEZESCLOUDY0000000207572
1800-09-14T00:00-20.551356.7PORT BOURBONNW21SELIGHT BREEZES, AM MODERATE BREEZESCLEAR0000000207573
1800-09-15T00:00-20.101589.3CAINE LE MARENNW1/2W11SSW, SSEMODERATE BREEZES, AM FRESH BREEZES AND SQUALLYPLEASANT WEATHER0000000207574
1800-09-16T00:001696.7PORT LOUISS21ENE, SBEFRESH BREEZES, AM MODERATE BREEZESCLOUDY0000000207575
1800-09-17T08:00-19.2358.051129.3PORT LOUISS29:15W22-12SEBS, SEBEFRESH BREEZES AND SQUALLY0000000207576
1800-09-18T08:00-18.1558.721579.3PORT BOURBONS23:49W50-12SEBE, SBEFRESH BREEZESCLOUDY0000000207577
1800-09-19T00:00-19.571699.3SE, SBEFRESH BREEZESCLOUDY0000000207578
1800-09-20T00:00-19.681249.3ESE, SEBEFRESH BREEZESCLOUDY0000000207579
1800-09-21T08:00-19.2258.131126.7PORT BOURBONSWBS13NEBE40.00-12SE, SEBEMODERATE BREEZESCLOUDY0000000207580
1800-09-22T08:00-21.2358.021129.3PORT BOURBONN24:15W18S24:15E54.00-12ESE, EBS, SEBEFRESH BREEZESCLOUDY0000000207581
1800-09-23T08:00-20.2058.20899.3PORT BOURBONS66:45W12S659:30E42.00-12E, ENE, EBSFRESH BREEZESCLEAR, AM CLOUDY0000000207582
1800-09-24T08:00-19.7258.35672.6PORT BOURBONS42:44W19N18:45E28.00-12VARIABLE, ENE, EBNLIGHT BREEZES, AT SQUALLYAT 6 RAINCLOUDY0100000207583
1800-09-25T08:00-20.9258.80786.7PORT BOURBONS65:9W23S20E75.00-12EBN, VARIABLE, EMODERATECLOUDY0000000207584
1800-09-26T08:00-22.0860.13336.7PORT BOURBONN54:34W57S43E102.00-12ENE, NEMODERATE BREEZES AND SQUALLY, AM MODERATEAM PLEASANT WEATHER0000000207585
1800-09-27T08:00-22.2861.27446.7RODERIQUEN34:38E64S79E68.00-12NBE, N, NEBEMODERATE BREEZESCLOUDY0000000207586
1800-09-28T08:00-21.4362.433596.7RODERIQUEN22:20E38N51:15E87.00-12SEBS, NBEMODERATE BREEZESCLOUDY0000000207587
1800-09-29T00:00158RODERIQUEOFF THE ISLAND1SSEFRESH BREEZES, AT 2 SQUALLYAT 2 A HEAVY SWELLCLOUDY0000000207588
1800-09-30T08:00-19.8560.651129.3PORT BOURBONS77:12W48S85:45E145.00-12SEBEFRESH BREEZESCLOUDY0000000207589
1800-10-22T09:00-17.8250.651286.7FOUL POINTN76:45W13S76:45E39.00-18WBS, SEBSMODERATE BREEZESCLEAR, AM CLOUDY0000000207590
1800-10-23T09:00-17.8851.001960.0FOUL POINTN35:15W20S73:15E22.00-18SSW, SWBSMODERATE BREEZES, LATTER PART CALMCLOUDY, LATTER DARK CLOUDY WEATHER0000000207591
1800-10-24T09:00-19.1350.673626.7CAPE ST MARYSN35:15W153S14:15W79.00-18EBS-NNE, VARIABLEAT 1 LIGHT AIRS, AM MODERATE BREEZESAM CLOUDY0000000207592
1800-10-25T09:00-21.0050.45162.6CAPE ST MARYSS43:40W122S5:0W112.00-18NEBNLIGHT BREEZESPLEASANT WEATHER0000000207593
1800-10-26T09:00-23.3050.03136.7CAPE ST MARYSN61:01W87S9:15W140.00-21ENE, NEBNMODERATE BREEZESPLEASANT WEATHER0000000207594
1800-10-27T09:00-26.5548.13212.3CAPE ST MARYSN60:18W46S28.0W222.00-21NNEMODERATE BREEZES, AM STRONG BREEZESPLEASANT WEATHER, AM HAZY0000000207595
1800-10-28T09:00-27.5547.283359.3POINT NATALS80:41W251S47:15W78.00-25NNE, NMODERATE BREEZES, AM STEADY BREEZESHAZY0000000207596
1800-10-29T09:00-28.0045.78766.7POINT NATALS82:42W218S65:30W90.00-25NW1/2N-SWBW, EBSMODERATE BREEZESPLEASANT WEATHER0000000207597
1800-10-30T09:00-27.3244.152136.7POINT NATALS77:45W198N65:45W101.00-23SSW, SWBWSTRONG BREEZES AND SQUALLY, AM MODERATE BREEZESAM CLOUDY0000000207598
1800-10-31T09:00-27.2343.081912.6POINT NATALS75:56W180N85:45W58.00-23VARIABLE, SE, SWBSLIGHT BREEZESDARK CLOUDY WEATHER0000000207599
1800-11-01T09:00-28.1041.021316.7POINT NATALS79:37W46S65W124.00-27EBS, SSEMODERATE BREEZESCLOUDY WEATHER0000000207600
1800-11-02T09:00-28.9739.03526.7POINT NATALS84:58W103S63:30W118.00-27NNW, EBNMODERATE BREEZESCLEAR WEATHER0000000207601
1800-11-03T09:00-28.8338.302216.7POINT NATALS82:36W91N79:45W41.00-27WBS, WSWMODERATE BREEZESDARK CLOUDY WEATHER0000000207602
1800-11-04T10:00-28.5336.852310.0POINT NATALS74:40W67N77:45W79.00-28SSE, WBSFRESH BREEZES, AM MODERATE, AT 10 LIGHT AIRS INCLINING TO CALMCLOUDY0000000207603
1800-11-05T10:00-28.2736.523101.0POINT NATALS68:32W56N50:30W24.00-28NNWCALM, AT 10 LIGHT AIRS FROM THE SWCLEAR0000000207604
1800-11-06T10:00-28.4535.352206.7POINT NATALS63:16W43S80W66.00-28EBN, WSWCALM, AM MODERATE BREEZESCLEAR, AM PLEASANT WEATHER0000000207605
1800-11-07T10:00-30.8331.884019.0POINT NATALN86:55W28S52W234.00-28NEBE, ENEMODERATE BREEZES, AM FRESH GALESCLOUDY WEATHER, AM HAZY0000000207606
1800-11-08T10:00-31.4531.03409.3POINT NATALN45W19S50W60.00-28VARIABLE-SWBW, ENEMODERATE BREEZES, AM FRESH BREEZESCLOUDY WEATHER, AM CLEAR0000000207607
1800-11-09T10:00-32.2530.832086.7POINT NATALN85:30W34S12W49.00-28ENE, SWBWFRESH GALES AND SQUALLY, AM MODERATE BREEZESAM CLEAR0000000207608
1800-11-10T10:00-33.2229.27619.3POINT PADRAMS83:4W33S54W102.00-29SBW, EFRESH BREEZESPLEASANT WEATHER0000000207609
1800-11-11T10:00-33.3228.301406.7POINT PADRAMS83:10W17S82W52.00-29VARIABLE, SBEMODERATE BREEZESCLEAR WEATHER, AM CLOUDY WEATHER0000000207610
1800-11-12T10:00-33.3528.532306.7POINT PADRAMS85:23W21S88E12.00-29VARIABLE, WNW, WBSSTRONG GALES AND SQUALLY WEATHER, AT 2 MORE MODERATEAM SOME RAIN AT TIMES0100000207611
1800-11-13T10:00-34.2728.452529.3CAPE LAGULLASS85:55W131S5W55.00-29WNW, WBNMODERATE BREEZES, AM FRESH BREEZES AND SQUALLYCLEAR0000000207612
1800-11-14T10:00-34.3728.482640.0CAPE ACRECIFEN63:38W36S2E8.00-29NW, WNWFRESH BREEZES, AM CALMAM RAINCLOUDY0100000207613
1800-11-15T10:00-34.5328.421966.7CAPE ACRECIFEN58:14W37S16:45W11.00-29E, VARIABLE, SWCALM, AM MODERATE BREEZESCLOUDY0000000207614
1800-11-16T10:00-35.0826.602202.6CAPE LAGULLASN85:20W102S70:30W96.00-28ENE, WSWLIGHT BREEZESCLOUDY0000000207615
1800-11-17T10:00-35.0324.67856.7CAPE FALHADON47:53W27S89W99.00-28VARIABLE, WBN, ESEMODERATE BREEZESHAZY, AM CLOUDY0000000207616
1800-11-18T10:00-34.8022.572536.7CAPE LAGULLASN85:57W38S82:45W113.00-28SEBS, WBNFRESH BREEZES, AM MODERATE BREEZESCLOUDY WEATHER0000000207617
1800-11-19T00:00-34.771806.7CAPE HANGLIPNEBN5SBW, SMODERATE BREEZESCLOUDY WEATHER0000000207618