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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 SWIFT cruise from Porto Praya to Port Egmont started at 1766-11-04 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752413, 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: -24.693175 * Median Longitude: -38.136825 * South-bound Latitude: -51.050000 * West-bound Longitude: -62.320000 * North-bound Latitude: 12.970000 * East-bound Longitude: -19.790000
Date/Time Start: 1766-11-04T13:00:00 * Date/Time End: 1767-01-05T16:00:00
Event(s):
Swift_17661104_NMM_ADM/L/S594 * Latitude Start: 14.860000 * Longitude Start: -23.500000 * Latitude End: -51.350000 * Longitude End: 60.000000 * Date/Time Start: 1766-11-04T00:00:00 * Date/Time End: 1767-01-05T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Swift (Sloop), Voyage: Porto Praya - Port Egmont, Falkland Islands, 1st Observer: John Raynor (Captain), 2nd Observer: Joseph Harris (1st Officer/Master), Company: Royal Navy, Other ship information: 14G 263BM
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 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:
1210 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 
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)
1766-11-04T13:0012.97-22.36589.3ST JAGONNW3/4W49SSE3/4E146.00-11NE, ENEFRESH BREEZESCLEAR0000000248459
1766-11-05T13:0010.97-21.12589.3ST JAGON30:26W96SSE3/4E140.00-10ENEFRESH BREEZESFAIR0000000248460
1766-11-06T13:008.87-19.944612.3ST JAGON29:58W144S29E144.00-10NEBEFRESH TRADEFAIR0000000248461
1766-11-07T13:008.18-19.791031.0ST JAGON28:28E157S13E40.00-10E, ESEFRESH BREEZES AND SQUALLY, LATTER LIGHT AIRSHARD SHOWERS OF RAIN, LATTER PART HARD RAIN1100000248462
1766-11-08T13:007.60-19.913621.0ST JAGON25:58E165S10E35.00-10VARIABLELIGHT AIRS, FREQUENT SQUALLS OF WINDLIGHTNING IN THE NIGHTFREQUENT SQUALLS OF RAINCLOUDY1100100248463
1766-11-09T13:007.50-19.893050.6ST JAGON29E166S6E6.00-10NWLIGHT AIRS INCLINABLE TO CALMSA GREAT SWELL FROM THE SOUTHWARD0000000248464
1766-11-10T13:006.72-19.893292.6ST JAGON23:58E181S47.00-9NNWLIGHT BREEZESFAIR0000000248465
1766-11-11T13:006.10-20.01361.0ST JAGON21:52E192S10W38.00-9NNW, NELIGHT AIRSFAIR0000000248466
1766-11-12T13:005.83-20.163621.0ST JAGON20:30W195S28W18.00-9CALM, VARIABLELIGHT AIRSA GREAT SWELL FROM THE SOUTHWARD0000000248467
1766-11-13T13:005.50-20.611492.6ST JAGON17:25W199SW3/4W38.00-9SW, S, SSELIGHT BREEZES, MIDDLE SQUALLYLIGHTNING IN THE SE QUARTERMIDDLE HARD RAINCLOUDY0100100248468
1766-11-14T13:004.55-21.561609.3ST JAGON11:06W212SW80.00-9SSE, SBEFRESH BREEZESLIGHTNING IN THE NE IN THE NIGHTCLOUDY0000100248469
1766-11-15T13:003.88-22.491049.3ST JAGON5:49W224S54W58.00-9SBE, SSE, ESEFRESH BREEZES AND SQUALLY0000000248470
1766-11-16T14:003.37-23.271402.6ST JAGON1:20W225S48W59.00BY OBSERVATION I AM 8 MILES TO THE NORTHWARD OF ACCOUNT-6SEBSLIGHT BREEZESFAIR0000000248471
1766-11-17T14:002.10-24.211539.3ST JAGON2:29E274S38W89.00-5SEBS, SE, SSEFRESH BREEZES AND SQUALLYHARD RAIN0100000248472
1766-11-18T14:000.93-25.521419.3ST JAGON7:32E283S48W105.00-5SSE, SEBSFRESH BREEZESCLOUDY0000000248473
1766-11-19T14:00-0.17-26.621539.3ST JAGON11E309SW93.00CROSSED THE EQUINOCLIAL LINE-5SEBS, SSEFRESH TOPGALLAN GALEFAIR0000000248474
1766-11-20T14:00-1.93-27.241089.3ST JAGON11:53E336S19W112.00-5ESEFRESH BREEZESFAIR0000000248475
1766-11-21T14:00-3.77-27.7212219.0ST JAGON12:10E384S15W114.00-2SEBEFRESH GALECLOUDY0000000248476
1766-11-22T14:00-5.92-28.191119.3ST JAGON12:10E428S12W132.00BY OBSERVATION I AM 6 MILES TO THE SOUTHWARD OF ACCOUNT-2SEBE, ESEFRESH BREEZESFAIR0000000248477
1766-11-23T14:00-8.30-28.541129.3ST JAGON11:47E476S3/4W145.00-1ESEFRESH BREEZESCLEAR0000000248478
1766-11-24T14:00-10.67-29.511129.3ST JAGON11:42E524S11W145.00-1ESEFRESH BREEZESFAIR0000000248479
1766-11-25T14:00-13.00-29.49796.7ST JAGON11:41E572SBW143.00BY OBSERVATION I AM 5 MILES TO THE SOUTHWARD OF ACCOUNT0E, EBNMODERATEFAIR0000000248480
1766-11-26T14:00-15.23-29.91799.3ST JAGON11:35E617S10W136.000EBNFRESH BREEZESFAIR0000000248481
1766-11-27T14:00-17.40-30.367919.0ST JAGON11:33E661SBW132.00BY OBSERVATION I AM 7 MILES TO THE SOUTHWARD OF ACCOUNT0E, EBNFRESH GALESFAIR0000000248482
1766-11-28T14:00-19.00-30.69242.6ST JAGON11:34E694SBW99.001NNELIGHT BREEZESFAIR0000000248483
1766-11-29T14:00-20.98-31.11469.3ST JAGON11:31E734S12W121.00BY OBSERVATION I AM 14 MILES TO THE SOUTHWARD OF ACCOUNT1NNE, NEFRESH BREEZESFAIR0000000248484
1766-11-30T14:00-23.65-31.774819.0ST JAGON11:38E789S13W164.00BY OBSERVATION I AM 10 MILES TO THE SOUTHWARD OF ACCOUNT, CROSSED TROPIC OF CAPRICORN3NEFRESH GALES0000000248485
1766-12-01T14:00-25.38-32.62286.7ST JAGON12:14E827S24W114.005NNEMODERATEFAIR0000000248486
1766-12-02T14:00-27.23-33.62343ST JAGON12:56E867S26W123.005NEBN, NNWLIGHT BREEZES, LATTER PART SQUALLYCLEAR0000000248487
1766-12-03T14:00-28.32-33.942551.0ST JAGON12:58E889S15W67.007W, WBN, WSWFRESH GALES AND SQUALLY, LATTER PART LIGHT AIRSRAIN0100000248488
1766-12-04T14:00-29.38-34.943452.6ST JAGON13:40E924S29W108.007NNE, NNWLIGHT BREEZESFAIR0000000248489
1766-12-05T14:00-32.50-36.64726.8ST JAGON14:42E983S29W180.007NNW, NFRESH GALES, LATTER PART HARD GALESLATTER PART RAINHAZY0100000248490
1766-12-06T14:00-33.23-36.442116.7ST JAGON14:01E996S15E47.008N, SWBS, SSWHARD GALES AND SQUALLY, MIDDLE AND LATTER MODERATERAIN0100000248491
1766-12-07T15:00-34.20-37.843379.3ST JAGON15:33E1022S53W96.0011NWBNFRESH BREEZESFAIR0000000248492
1766-12-08T15:00-34.95-39.171469.3ST JAGON16:29E1042S56W81.00BY OBSERVATION 1 A 10 MILE TO THE NORTHWARD OF ACCOUNT11WNW, SEBS, SEFRESH BREEZESCLOUDY0000000248493
1766-12-09T15:00-36.23-41.51346.7ST JAGON18:16E1079SWBW138.0011SEBE-NNEMODERATECLOUDY0000000248494
1766-12-10T15:00-37.15-43.671599.3ST JAGON19:56E1110S62W116.0013NEBN, SSE, SEBSFRESH TOPGALLAN GALE, MIDDLE PART SQUALLY0000000248495
1766-12-11T15:00-37.93-45.343629.3ST JAGON21:05E1135S62W99.0014VARIABLEFRESH BREEZESFAIR0000000248496
1766-12-12T15:00-39.07-47.4123919.0ST JAGON22:24E1170S55W119.0014NNW, N, SWFRESH GALES, MIDDLE HARD SQUALLSMIDDLE THUNDER AND LIGHTNINGMIDDLE RAINFAIR0100100248497
1766-12-13T15:00-40.12-46.76262ST JAGON21:23E1184S26E69.0014SWBW, SW, WSWFRESH GALES, MIDDLE STRONG GALES AND SQUALLY, LATTER HARD SQUALLSMIDDLE RAIN, LATTER HAILFAIR0100010248498
1766-12-14T15:00-41.02-46.3628422.6ST JAGON20:40E1198S19E57.0014SWBW, WSTRONG GALESCLOUDY0000000248499
1766-12-15T15:00-41.42-47.1132919.0ST JAGON21:08E1206S55W41.0014SW, NNW, NWFRESH GALESCLOUDY0000000248500
1766-12-16T15:00-43.20-46.693626.7ST JAGON20:29E1243S2W107.00BY OBSERVATION I AM 29 MILES TO THE SOUTHWARD OF ACCOUNT16VARIABLEMODERATEPASSED THROUGH A GREAT RIPLINGFAIR0000000248501
1766-12-17T15:00-44.30-46.3724119.0ST JAGON19:22E1257S30W76.0016SW, SWBW, SWFRESH GALESFAIR0000000248502
1766-12-18T15:00-45.05-46.9436219.0ST JAGON19:28E1274SSW1/2W51.0016VARIABLEFRESH GALEA GREAT SWELL FROM THE SWFAIR0000000248503
1766-12-19T15:00-45.17-47.84322ST JAGON20:10E1282S79W39.0018SW, NWBWMODERATE, LATTER SQUALLYFAIR0000000248504
1766-12-20T15:00-45.63-48.743336.7ST JAGON20:40E1296S53W47.0018W, WSW, NWFRESH GALES, MIDDLE AND LATTER PARTS MODERATEHAZY0000000248505
1766-12-21T15:00-45.47-49.3727726.8ST JAGON21:12E1297N70W29.0018NWBN, SWBS, SW, SWBW, WBSFRESH GALES AND SQUALLY, MIDDLE AND LATTER HARD GALES AND SQUALLYMIDDLE AND LATTER THUNDER AND LIGHTNINGMIDDLE AND LATTER RAIN AND HAIL0100110248506
1766-12-22T15:00-45.73-48.4926622.6ST JAGON20:30E1295ESE41.0018SW, SWBW, WSWSTRONG GALES AND SQUALLYA GREAT SEA0000000248507
1766-12-23T15:00-46.43-49.043336.7ST JAGON20:34E1312S29W48.0018WBS, WNW, NWSTRONG GALES, LATTER MODERATE BUT SQUALLYFAIR0000000248508
1766-12-24T15:00-46.63-50.3936219.0ST JAGON21:28E1325S78W58.0018NW, VARIABLEFRESH GALESHAZY0000000248509
1766-12-25T15:00-47.63-51.5128919.0ST JAGON21:51E1349S38W76.0019NW, WNW, WFRESH GALES AND SQUALLY0000000248510
1766-12-26T15:00-48.30-52.1936222.6ST JAGON21:59E1365S35W48.0019VARIABLESTRONG GALESFAIR0000000248511
1766-12-27T16:00-48.83-54.413479.3ST JAGON23:21E1391S70W94.0021NWBW, NW, NWBNFRESH BREEZES AND SQUALLY, LATTER PART HARD SQUALLSLATTER PART RAIN0100000248512
1766-12-28T16:00-49.07-55.712576.7ST JAGON24:06E1405S74W51.0021WNW, SW, SWBWMODERATEFAIR0000000248513
1766-12-29T16:00-47.80-56.1725722.6ST JAGON25:01E1386N15W58.00BY OBSERVATION I AM 27 MILES TO THE NORTHWARD OF ACCOUNT21SWBWSTRONG GALES AND SQUALLYHAIL0000010248514
1766-12-30T16:00-47.05-56.973349.3ST JAGON25:46E1380N35W56.0019SWBW, NWFRESH BREEZESFAIR0000000248515
1766-12-31T16:00-46.72-58.8186.7ST JAGON27:20E1390N75W78.0019NW, SBW, NBWMODERATECLOUDY0000000248516
1767-01-01T16:00-48.27-61.5228019.0ST JAGON28:17E1437S50W148.00A GREAT NUMBER OF WHALES AROUND THE SHIP21NNW, W, WBSFRESH GALESCLOUDY0000000248517
1767-01-02T16:00-49.72-61.4634719.0ST JAGON27:31E1460S1/4E87.0021WSW, NNW, NWBNFRESH GALESFAIR0000000248518
1767-01-03T16:00-49.87-62.321796.7ST JAGON27:58E1469S75W35.0021SSEMODERATECLOUDY0000000248519
1767-01-04T16:00-50.67-62.14269ST JAGON27:27E1480S8E48.0021SSE, SSW, WSWFRESH GALES, LATTER PART SQUALLY0000000248520
1767-01-05T16:00-51.05-60.2924619.0ST JAGON26:08E1472S71E93.0021SWBW, WNW, SWFRESH GALE0000000248521