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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 CRESCENT cruise from Bombay to Table Bay started at 1797-08-10 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.747966, 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: -15.859846 * Median Longitude: 60.561231 * South-bound Latitude: -35.800000 * West-bound Longitude: 20.300000 * North-bound Latitude: 18.200000 * East-bound Longitude: 93.080000
Date/Time Start: 1797-08-10T07:00:00 * Date/Time End: 1797-10-13T11:00:00
Event(s):
Crescent_17970810_NMM_ADM/L/C219 * Latitude Start: 18.500000 * Longitude Start: 72.820000 * Latitude End: -34.430000 * Longitude End: 16.950000 * Date/Time Start: 1797-08-10T00:00:00 * Date/Time End: 1797-10-13T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Crescent (5th Rate Frigate), Voyage: Bombay - Table Bay, 1st Observer: John Spranger (Captain), 2nd Observer: Joseph Batt (2nd Officer/Lieutenant), Company: Royal Navy, Other ship information: 38G 868BM
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 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:
1218 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 
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)
1797-08-10T07:0018.2071.68269GOASEBE6S41W52.00-1WBS, WSQUALLYRAIN010000045967
1797-08-11T07:0016.9371.322696.7GOAS57E51S6W77.00-1WMODERATECLOUDY000000045968
1797-08-12T07:0013.9571.351906.7MOUNT DILLYS66E84S1E100.00-1SBWMODERATECLOUDY000000045969
1797-08-13T07:0012.4571.582586.7MOUNT DILLYS84E70S8E95.00-1WBSMODERATECLOUDY000000045970
1797-08-14T07:0011.0574.722252.6CALURTN68E18S29E60.000SWLIGHT BREEZESRAIN010000045971
1797-08-15T07:0010.5775.123382.6CAPE COMORINS42E70S11E35.000NNWLIGHT BREEZESRAIN010000045972
1797-08-16T07:008.6775.883622.6CAPE COMORINS71E45S25E103.000VARIABLELIGHT BREEZESRAIN010000045973
1797-08-17T07:007.0276.533042.6S POINT OF CEYLON97S25E93.000NWBWLIGHT BREEZESRAIN010000045974
1797-08-18T07:006.0879.442712.61WLIGHT BREEZESCLEAR000000045975
1797-08-19T07:005.1582.352716.7POINT DONDRANEBE6S54E88.001WSW, WMODERATECLOUDY000000045976
1797-08-20T06:003.3784.432506.7POINT DONDRAS57E328S52E158.002WSWMODERATECLOUDY000000045977
1797-08-21T06:001.8786.432272.6POINT DONDRAS44E290S53E153.002SWLIGHT BREEZESRAIN010000045978
1797-08-22T06:001.0787.882169.3POINT DONDRAS36E313S61E99.002SWBSFRESH BREEZES AND SQUALLYRAIN010000045979
1797-08-23T06:00-0.0889.722166.7POINT DONDRAS34E291S65E121.002SWBSMODERATECLEAR000000045980
1797-08-24T06:00-0.6590.583626.7POINT DONDRAS25E256S56E62.002VARIABLEMODERATECLEAR000000045981
1797-08-25T06:00-1.1889.853620.0POINT DONDRAS29E253S44W4.002VARIABLECALM000000045982
1797-08-26T06:00-1.3790.171152.6POINT DONDRAS28E248S45E27.002ESELIGHT WINDS AND VARIABLE000000045983
1797-08-27T06:00-2.6090.882156.7POINT DONDRAS28E220S30E85.001SWBSMODERATERAIN010000045984
1797-08-28T06:00-3.6091.732156.7POINT DONDRAS28E193S48E75.001SBW, SWBSMODERATERAIN010000045985
1797-08-29T06:00-3.6791.783629.3POINT DONDRAS26E188S27E9.001VARIABLEMODERATE, AM FRESH BREEZES AND SQUALLYHEAVY RAINCLOUDY010000045986
1797-08-30T06:00-3.4091.133629.3POINT DONDRAS30E210N69W40.001VARIABLEFRESH BREEZESRAIN010000045987
1797-08-31T06:00-5.3292.452266.7POINT DONDRAS27E257S34W139.001SWFRESH BREEZES, AM MORE MODERATECLOUDY000000045988
1797-09-01T06:00-6.9892.922266.7POINT DONDRAS24E253S16E104.001W, SWMODERATECLOUDY000000045989
1797-09-02T06:00-8.7893.082706.7POINT DONDRAS39E296S6E109.000N, WMODERATECLOUDY000000045990
1797-09-03T06:00-10.9591.72236.7RODRIGUEZS73W603S34W148.000NBW, NNEMODERATE BREEZESCLOUDY000000045991
1797-09-04T06:00-11.8889.483496.7RODRIGUEZS73W534S65W145.000NWBN, NBWMODERATE BREEZESCLOUDY000000045992
1797-09-05T06:00-12.3088.953152.6RODRIGUEZS73W515S61W35.000SE, NWLIGHT BREEZESCLOUDY000000045993
1797-09-06T06:00-13.0886.801446.7RODRIGUEZS74W478S68W144.00-2SEBE, SEBSMODERATECLOUDY000000045994
1797-09-07T06:00-14.2384.73776.7RODRIGUEZS76W448S59W131.00-2EBNMODERATECLOUDY000000045995
1797-09-08T06:00-15.4583.23662.6RODRIGUEZS78W406S51W112.00-2SE, ENELIGHT BREEZESRAINCLOUDY010000045996
1797-09-09T07:00-17.8081.731309.3RODRIGUEZS84W352S32W166.00-5SEFRESH BREEZESCLOUDY000000045997
1797-09-10T07:00-19.8579.051309.3RODRIGUEZN1W272S51W196.00-5SEBS, SEFRESH BREEZESHAZY000000045998
1797-09-11T07:00-20.0275.031299.3RODRIGUEZN88W228S87W228.00-6SSE, SEFRESH BREEZESHAZY000000045999
1797-09-12T07:00-19.7871.021289.3RODRIGUEZN89W153N86W228.00-7ESE, SEFRESH BREEZESHAZY000000046000
1797-09-13T08:00-19.6366.751149.3RODRIGUEZW59N87W225.00-10SE, SEBEFRESH BREEZESHAZY000000046001
1797-09-14T08:00-20.3260.631469.3RODRIGUEZW8S74W148.00-12SSEFRESH BREEZESHAZY000000046002
1797-09-15T08:00-21.4057.371209.3BOURBONN72W36S71W193.00-15SEFRESH BREEZESCLEAR000000046003
1797-09-16T08:00-22.3855.621436.7-15ESE, SSEMODERATE BREEZESCLEAR000000046004
1797-09-17T08:00-23.8053.871176.7ST MARYS MADAGASCARS78W168S56W152.00-18EBS, SEMODERATE BREEZESCLEAR000000046005
1797-09-18T09:00-25.0351.73696.7ST MARYS MADAGASCARS85W116S58W138.00-21ESE, EMODERATE BREEZESCLEAR000000046006
1797-09-19T09:00-26.6848.70589.3ST MARYS MADAGASCARN72W73S59W191.00-21ESE, EBNFRESH BREEZESAM RAIN AT TIMESCLOUDY010000046007
1797-09-20T09:00-27.6745.05309.3ST MARYS MADAGASCARN5W42S73W203.00-26NE, NEBEFRESH BREEZES AND SQUALLY000000046008
1797-09-21T09:00-28.7843.45876.7POINT NATALS75W265S59W102.00-26E, ESELIGHT BREEZES INCLINABLE TO CALMS, AM MODERATEAM CLOUDY000000046009
1797-09-22T09:00-29.5839.82639.3POINT NATALS74W188S76W197.00-27NE, EFRESH BREEZESSWELL FROM SWCLEAR000000046010
1797-09-23T10:00-30.2537.0828POINT NATALS74W139S76W147.00-28NBE, NEBEFRESH BREEZES, AM SQUALLYCLOUDY000000046011
1797-09-24T10:00-30.4836.273621.0POINT NATALS72W119S74W47.00-28ALL ROUND COMPASSLIGHT AIRSTHUNDER AND LIGHTNING IN THE NIGHTCLOUDY000010046012
1797-09-25T10:00-30.2035.2836122.6POINT NATALS70W115N71W53.00-28CALMLIGHT AIRS, AM MODERATE BREEZES, STRONG GALES AND SQUALLYCLEAR000010046013
1797-09-26T10:00-29.8033.231979.3POINT NATALS89W34N77W110.00-28SSW, SWFRESH BREEZES AND SQUALLY000000046014
1797-09-27T10:00-31.0531.601309.3POINT NATALS64W52S56W104.00-28EBN, SSELIGHT AIRS, AM FRESH BREEZESSHOWERS OF RAINCLOUDY, AM CLEAR110000046015
1797-09-28T10:00-33.5728.136222.6ALGOA BAYN87W28S49W232.00-28NE, EFRESH BREEZES, AM STRONG GALES AND SQUALLYCLEAR000000046016
1797-09-29T10:00-34.0827.50409.3CAPE AGULLASS85W114S46W44.00-28SSE, SW, ENELIGHT BREEZES, AM MODERATE BREEZES, NOON FRESH BREEZESHEAVY SWELLCLOUDY000000046017
1797-09-30T10:00-34.8327.232212.6CAPE AGULLASN89W113S11W46.00-28NE, WSWLIGHT BREEZESCLOUDY000000046018
1797-10-01T10:00-34.5325.281812.3CAPE AGULLASS87W83N79W93.00-28NW, NELIGHT BREEZES, AM STRONG BREEZESCLEAR000000046019
1797-10-02T10:00-35.0525.9524322.6CAPE AGULLASN86W91S42E46.00-28WSTRONG GALES AND SQUALLY000000046020
1797-10-03T10:00-34.3726.603336.7CAPE AGULLASN83W99SE20.00-28NW, NMODERATE BREEZESCLOUDY000000046021
1797-10-04T10:00-34.8026.8028822.6CAPE AGULLASN89W104N17E35.00-28WBN, NWSTRONG GALES AND HEAVY SQUALLS000000046022
1797-10-05T10:00-34.2227.032436.7CAPE AGULLASS85W111N19E37.00-28E, WMODERATE BREEZESCLOUDY000000046023
1797-10-06T10:00-34.8724.3236222.6CAPE AGULLASN86W70S76W140.00-28VARIABLEFRESH BREEZES, AM STRONG GALES AND SQUALLYCLOUDY000000046024
1797-10-07T10:00-34.3724.102439.3CAPE TALADENEBE5N13W31.00-28WFRESH BREEZESCLOUDY000000046025
1797-10-08T10:00-35.6023.622439.3CAPE AGULLASN73W58S18W78.00-28WFRESH BREEZESCLOUDY000000046026
1797-10-09T10:00-35.8023.3328822.6CAPE AGULLASN69W55S38W16.00-28WNW, NWSTRONG GALES AND SQUALLY000000046027
1797-10-10T10:00-35.6323.722436.7CAPE AGULLASN73W59N62E21.00-28SW, WSTRONG GALES AND SQUALLY, AM MODERATEAM CLOUDY000000046028
1797-10-11T11:00-35.4520.821999.3CAPE AGULLASN33W17N85W161.00-26SE, SWFRESH BREEZESCLOUDY000000046029
1797-10-12T11:00-35.1520.563622.6CAPE GOOD HOPEN54W19-26VARIABLEFRESH BREEZES, AM LIGHT WINDSCLOUDY000000046030
1797-10-13T11:00-34.9320.3010919.0CAPE AGULLASE6-26SEFRESH BREEZES, AM FRESH GALES AND SQUALLYCLOUDY000000046031