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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 ARGO cruise from Madras to Port Louis started at 1766-04-05 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.747465, 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: -2.730448 * Median Longitude: 82.635075 * South-bound Latitude: -20.500000 * West-bound Longitude: 58.200000 * North-bound Latitude: 12.980000 * East-bound Longitude: 91.120000
Date/Time Start: 1766-04-05T07:00:00 * Date/Time End: 1766-06-10T08:00:00
Event(s):
Argo_17660405_NMM_ADM/L/A169 * Latitude Start: 12.100000 * Longitude Start: 80.500000 * Latitude End: -20.030000 * Longitude End: 58.200000 * Date/Time Start: 1766-04-05T00:00:00 * Date/Time End: 1766-06-10T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Argo (6th Rate Frigate), Voyage: Madras - Port Louis, 1st Observer: Philip Affleck (Captain), 2nd Observer: Henry Chads (1st Officer/Master), Company: Royal Navy, Other ship information: 28G 583BM
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 CommentCommentOther remarks, that were not possible to put in the other remark fields
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 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
15 Current speed descriptionV descr
16 Wind force descriptionWind force descrAll reported wind forces on this day
17 Present weatherwwWeather description
18 Precipitation descriptionPrecip descr
19 State of the sea descriptionState sea descr
20 ClearnessClearness
21 GustsGusts1 If wind gusts are reported
22 Precipitation/RainRain1 If rain was reported
23 FogFog1 If fog was reported
24 Snow typeSnow1 If snow was reported
25 ThunderThunder1 If thunder and or lightning was reported
26 HailHail1 If hail was reported
27 Sea iceSea ice1 If sea-ice or icebergs were reported
28 CommentComment
29 IdentificationIDCLIWOC 2.1 line number
Size:
1281 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 
Comment
(Other remarks, that were not ...)
12 
Decl [deg]
(It is generally accepted by t...)
13 
Wind dir descr
(All reported wind directions ...)
14 
Cur dir descr
(Direction of the current. Thi...)
15 
V descr
16 
Wind force descr
(All reported wind forces on t...)
17 
ww
(Weather description)
18 
Precip descr
19 
State sea descr
20 
Clearness
21 
Gusts
(1 If wind gusts are reported)
22 
Rain
(1 If rain was reported)
23 
Fog
(1 If fog was reported)
24 
Snow
(1 If snow was reported)
25 
Thunder
(1 If thunder and or lightning...)
26 
Hail
(1 If hail was reported)
27 
Sea ice
(1 If sea-ice or icebergs were...)
28 
Comment
29 
ID
(CLIWOC 2.1 line number)
1766-04-05T07:0012.9880.631356.7ST THOMASS MOUNTW3/4S80SSW, SBE, SEMODERATECLOUDY000000016936
1766-04-06T07:0012.7580.72562.6ST THOMASS MOUNTNWBW11SEBE3/4E35.000SE-NEBELITTLE WINDCLOUDY000000016937
1766-04-07T07:0012.0081.371136.7ST THOMASS MOUNTN48:52W30S43:00E57.000ENE, ESEMODERATEHAZY000000016938
1766-04-08T07:0011.6081.591356.7ST THOMASS MOUNTN42:20W39S28:00E27.000SEMODERATEHAZY000000016939
1766-04-09T07:0010.7781.591132.6ST THOMASS MOUNTN31:31W52S50.000ESELITTLE WINDFAIR000000016940
1766-04-10T07:0010.5081.76902.6ST THOMASS MOUNTN31:34W58S32:00E19.000ESET NW1LITTLE WINDFAIR000000016941
1766-04-11T07:0010.4782.271802.6ST THOMASS MOUNTN38:53W65S86:00E31.000SSET EBN5LITTLE WINDFAIR000000016942
1766-04-12T06:0010.3282.941812.6ST THOMASS MOUNTN45:00W75S83:00E40.001SLITTLE WINDFAIR000000016943
1766-04-13T06:0010.4783.371811.0ST THOMASS MOUNTN50:56W80N79:00E27.001SFIRST PART CALM, MID AND LATTER LIGHT AIRSFAIR000000016944
1766-04-14T06:0010.4583.841811.0ST THOMASS MOUNTN54:32W87S88:00E28.001SLIGHT AIRSFAIR000000016945
1766-04-15T06:009.9383.69916.7ST THOMASS MOUNTN48:10W92SBW1/2W32.001EFIRST PART CALM, MID AND LATTER MODERATEMID AND LATTER CLOUDY000000016946
1766-04-16T06:0010.2284.721596.7ST THOMASS MOUNTN57:51W102N75E64.001SSEMODERATECLOUDY000000016947
1766-04-17T06:0010.2285.341596.7ST THOMASS MOUNTN61:09W115E47.001SSEMODERATECLOUDY000000016948
1766-04-18T06:009.9585.472266.7ST THOMASS MOUNTN59:28W120SSE3/4E16.001SWMODERATECLOUDYGREAT SWELL FROM THE S000000016949
1766-04-19T06:009.8785.511591.0ST THOMASS MOUNTN58:57W121S20:00E5.001CALM, SEBS, SSEMOSTLY CALM, LATTER LIGHT AIRS000000016950
1766-04-20T06:009.4385.271361.0ST THOMASS MOUNTN54:27W122S28:00E29.00VARIATION AZM 1:02E1SELIGHT AIRSCLOUDY000000016951
1766-04-21T06:008.6884.811366.7ST THOMASS MOUNTN46:22W125S32:00E53.001SEMODERATECLOUDY000000016952
1766-04-22T06:008.0884.691366.7ST THOMASS MOUNTN42:03W132S11:00E37.001SEMODERATECLOUDY000000016953
1766-04-23T06:007.8085.031816.7FRYERS HOODS75:23W31S71:00E37.001SMODERATECLOUDY0000000a trivial correction was made in this observation16954
1766-04-24T06:007.2883.951816.7FRYERS HOODN87:16W49S61:00E63.001SMODERATECLOUDY000000016955
1766-04-25T06:007.2084.101811.0FRYERS HOODN85:36W52S66:00E10.001SLIGHT AIRSCLOUDY000000016956
1766-04-26T06:006.7884.422261.0FRYERS HOODN78:04W59S36:34E31.001SWLIGHT AIRSCLOUDY000000016957
1766-04-27T06:006.2884.622262.6FRYERS HOODN70:17W66SSE32.001SWLITTLE WINDCLOUDY000000016958
1766-04-28T06:006.3584.673610.0FRYERS HOODN71:39W67NEBN5.001WBN, SWBW, CALMFIRST PART LIGHT AIRS, MID AND LATTE CALMFIRST PART CLOUDY000000016959
1766-04-29T06:006.1885.082266.7FRYERS HOODN71:15W76S68:00E27.001CALM, SWFIRST PART CALM, MID AND LATTER MODERATEMID AND LATTER CLOUDYSWELL FROM THE S000000016960
1766-04-30T06:005.6785.25916.7FRYERS HOODN65:35W84SSE34.001ENE, CALM, EFIRST PART CALM, MID AND LATTER MODERATEMID AND LATTER CLOUDY000000016961
1766-05-01T06:005.1785.272821.0FRYERS HOODN59:09W89S4:00W30.001CALM, NNW, WBNFIRST PART CALM, MID AND LATTER LIGHT AIRS000000016962
1766-05-02T06:004.4885.932606.7FRYERS HOODN56:31W106S43:00E59.001WBN, WBSMODERATECLOUDY000000016963
1766-05-03T06:003.4586.532606.7FRYERS HOODN51:46W127S30:00E71.001WBSMODERATECLOUDY000000016964
1766-05-04T06:001.4787.7324819.0FRYERS HOODN46:20W172S22:00E192.000WSWFRESH GALES AND SQUALLYRAIN010000016965
1766-05-05T06:000.1288.6824819.0FRYERS HOODN44:36W204S33:00E104.000WSWFRESH GALES AND SQUALLYRAIN010000016966
1766-05-06T06:00-0.9589.7224819.0FRYERS HOODN44:29W234S44:00E89.000WSWFRESH GALES AND SQUALLYRAIN010000016967
1766-05-07T06:00-0.9290.0024819.0FRYERS HOODN45:34W237S52:00E100.000WSWFRESH GALES AND SQUALLYRAIN010000016968
1766-05-08T06:00-0.9890.233610.0FRYERS HOODN46:07W242S74:00E15.000WBS, CALMMOSTLY CALM000000016969
1766-05-09T06:00-1.6090.12451.0FRYERS HOODN43:42W249S11:00W36.000N, NELIGHT AIRSCLOUDY000000016970
1766-05-10T06:00-2.2090.473612.6FRYERS HOODN43:00W262S30:00E42.000NE, CALMLITTLE WINDCLEARLARGE SWELL FROM NW000000016971
1766-05-11T06:00-3.1090.473610.0FRYERS HOODN40:27W276S54.000W, CALMSCALM000000016972
1766-05-12T06:00-3.9090.602591.0FRYERS HOODN38:48W290S9:00E49.000CALM, WSW, WBSSET SBE1/2E1FIRST AND MID CALM, LATTER LIGHT AIRS000000016973
1766-05-13T06:00-5.0090.882481.0FRYERS HOODN37:05W311S14:00E68.000WSWSET SEBE1/2E5LIGHT AIRS000000016974
1766-05-14T06:00-5.5591.122481.0FRYERS HOODN36:32W322S23:00E36.000WSWLIGHT AIRSSWELL FROM S000000016975
1766-05-15T06:00-6.3790.771351.0FRYERS HOODN32:53W332S23:00E53.000WBS, SELIGHT AIRS000000016976
1766-05-16T06:00-7.5589.871346.7FRYERS HOODN29:11W342S37:00E89.00-1ESE, SEBE, SEMODERATECLOUDY000000016977
1766-05-17T06:00-8.0789.881341.0FRYERS HOODN26:50W347SW44.00-1SELIGHT AIRSCLOUDYLARGE SWELL FROM SE000000016978
1766-05-18T06:00-8.0890.173610.0FRYERS HOODN26:46W347SW2.00-1SE, N, CALMFIRST PART LIGHT AIRS, MID AND ALTTER CALM000000016979
1766-05-19T06:00-8.4390.411341.0FRYERS HOODN26:06W353S8:00W21.00-1CALM, NW, SEMOST PART CALM, MID AND LATTER LIGHT AIRSMID AND LATTER CLOUDY000000016980
1766-05-20T06:00-9.6090.213626.7FRYERS HOODN23:07W370S20W97.00-1VARIABLEMODERATECLOUDY000000016981
1766-05-21T06:00-10.0290.313622.6FRYERS HOODN21:36W375S26W29.00-1VARIABLELITTLE WINDFAIR000000016982
1766-05-22T06:00-10.5390.26671.0FRYERS HOODN20:30W383SWBS36.00-1ENELIGHT AIRSCLOUDY000000016983
1766-05-23T06:00-11.5789.391346.7FRYERS HOODN16:17W395S48W97.00-1E, ESE, SEMODERATEFAIR000000016984
1766-05-24T06:00-12.8087.961336.7FRYERS HOODN10:41W411S36W128.00-2SEMODERATEFAIR000000016985
1766-05-25T06:00-13.8785.7913319.0FRYERS HOODN3:39W426S66W157.00-2SEFRESH GALESHAZY000000016986
1766-05-26T06:00-15.2783.6813319.0FRYERS HOODN2:30E454S59W169.00-2SEFRESH GALESHAZY000000016987
1766-05-27T07:00-16.6781.821326.7FRYERS HOODN7:32E486SWBW152.00-3SEMODERATECLOUDY000000016988
1766-05-28T07:00-18.5880.091199.3FRYERS HOODN11:06E529SW164.00-5SEBEFRESH BREEZESHAZY000000016989
1766-05-29T07:00-19.6277.99969.3FRYERS HOODN15:34E559S66:00W157.00-5SE, EBSFRESH BREEZESHAZY000000016990
1766-05-30T07:00-19.6275.51956.7FRYERS HOODN20:36E577W157.00VARIATION AZM 2:49W-6SE, EBSMODERATECLOUDY000000016991
1766-05-31T07:00-19.7374.20846.7FRYERS HOODN23:43E593S86:00W111.00-6EMODERATECLOUDY000000016992
1766-06-01T07:00-19.7872.79846.7FRYERS HOODN26:27E607S88:00W93.00-6EMODERATECLOUDY000000016993
1766-06-02T07:00-19.4570.891276.7FRYERS HOODN30:19E622N81W125.00VARIATION AZM 6:00W-8SEMODERATECLOUDY000000016994
1766-06-03T07:00-19.7269.17716.7FRYERS HOODN33:06E647S82W120.00VARIATION AZM 6:30W-8EBS, E, EBNMODERATECLOUDY000000016995
1766-06-04T08:00-19.8067.33806.7FRYERS HOODN36:02E673S88W128.00-10EMODERATECLOUDY000000016996
1766-06-05T08:00-20.0265.73696.7FRYERS HOODN38:17E699S83W106.00VARIATION 9:00W-10EBNMODERATEHAZY000000016997
1766-06-06T08:00-19.8564.10696.7FRYERS HOODN40:49E720S85W116.00VARIATION AZM 10:30W-10EBNMODERATEHAZY000000016998
1766-06-07T08:00-20.1062.98136.7DIEGO ROYESN44:00E11S44W33.00VARIATION AZM 10:41W-10E, ENE, NNEMODERATEFAIR000000016999
1766-06-08T08:00-20.0362.30102.6DIEGO ROYESN74:33E25W38.00-13NNELITTLE WINDCLOUDY000000017000
1766-06-09T08:00-20.5060.301909.3DIEGO REYSN74:40E60S76:00W117.00-13SSWFIRST PART LITTLE WIND, MID AND LATTR FRESH BREEZESFIRST PART CLOUDY000000017001
1766-06-10T08:00-20.0358.2014519.0ROUND ISLANDNNE-13SSW, S, SSEFRESH GALESHAZY000000017002