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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 PRUDENT cruise from Spithead to St. Augustine started at 1772-06-11 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.751611, 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: -27.944355 * Median Longitude: -4.033226 * South-bound Latitude: -36.770000 * West-bound Longitude: -33.520000 * North-bound Latitude: -0.950000 * East-bound Longitude: 44.020000
Date/Time Start: 1772-06-11T14:00:00 * Date/Time End: 1772-08-13T00:00:00
Event(s):
Prudent_17720611_NMM_ADM/L/P444 * Latitude Start: 50.680000 * Longitude Start: -0.960000 * Latitude End: -23.630000 * Longitude End: 43.410000 * Date/Time Start: 1772-06-11T00:00:00 * Date/Time End: 1772-08-13T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Prudent (3rd Rate Frigate), Voyage: Spithead - St Augustine Madagascar, 1st Observer: John Clerke (Captain), 2nd Observer: Thomas Henery (1st Officer/Master), Company: Royal Navy, Other ship information: 64G 1366BM
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:
1226 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)
1772-06-11T14:00-0.95-25.701529.3ST PAULSN1:58W52S36W118.00-6NE, SBE, SEBS, SSEFRESH BREEZESCLOUDY WEATHER0000000204424
1772-06-12T14:00-1.83-26.781299.3CAPE ST AUGUSTINEN1:58W226S39W103.00-6SSE, SEBS, SEFRESH BREEZESCLOUDY WEATHER0000000204425
1772-06-13T14:00-3.62-27.1713019.0CAPE ROUGES81:30W28S12W108.00-5SE, SEBS, ESE, SEFRESH GALESCLOUDY WEATHER0000000204426
1772-06-14T14:00-5.55-27.631446.7ST AUGUSTINES69:47W172S15W120.00-2ESE, SE, SEBSMODERATEFAIR WEATHER0000000204427
1772-06-15T14:00-7.30-28.381449.3ST AUGUSTINES80:25W147S29W113.00-2SE, SEBS, SE, SEBSFRESH BREEZESCLOUDY WEATHER0000000204428
1772-06-16T14:00-9.25-29.5513419.0ST AUGUSTINEN82W102S29W134.00-1SE, SEBS, SEFRESH GALESFAIR WEATHER0000000204429
1772-06-17T14:00-10.98-30.5514519.0ST AUGUSTINEN65:49WS32W122.00-1SE, SEBS, SEBSFRESH GALESFAIR WEATHER0000000204430
1772-06-18T14:00-12.75-31.4812419.0PORT SEGURAS68:10W201S28W120.000SEBE, ESE, EBS, SE, SEBEFRESH GALESFAIR WEATHER0000000204431
1772-06-19T14:00-14.38-32.3211319.0TRINIDADAS14:42E127S27W120.000SEBE, SE, SEBE, E, ESEFRESH GALESCLOUDY WEATHER0000000204432
1772-06-20T14:00-16.05-33.371269.3TRINIDADAS33E101S33W116.002ESE, SE, SEBE, ESE, SEBEFRESH BREEZESCLEAR WEATHER0000000204433
1772-06-21T14:00-17.92-33.52829.3TRINIDADAS54:54E84S34W122.003SEBE, E, EBNFRESH BREEZES AND SQUALLYRAIN0100000204434
1772-06-22T14:00-19.28-33.52939.3TRINIDADAS65:43E58S28W94.003EBN, ESE, EFRESH BREEZES AND SQUALLYRAIN0100000204435
1772-06-23T14:00-21.02-32.92829.3TRINIDADAN76:22E43S19E114.003EBN, E, ENE, EBNFRESH BREEZESCLOUDY WEATHER0000000204436
1772-06-24T14:00-22.23-32.03809.3TRINIDADAN76:22E43S36E90.001EBN, ENE, NEBE, ESE, E, EBNFRESH BREEZESCLOUDY WEATHER0000000204437
1772-06-25T14:00-23.38-31.20709.3TRINIDADAN10E59S36E85.002EBN, NEBE, SSE, E, ENEFRESH BREEZESCLOUDY WEATHER0000000204438
1772-06-26T14:00-25.13-31.45926.7TRINIDADAN9:36E94S05W104.002EBS, SEBE, EBS, EMODERATE BREEZES AND SQUALLYRAIN0100000204439
1772-06-27T14:00-26.32-30.45369.3TRINIDADAN1:40E117S37W89.002E, ENE, NE, NEBNFRESH BREEZESCLOUDY WEATHER0000000204440
1772-06-28T14:00-27.42-29.35479.3TRINIDADAN9:36E140S45E93.002NE, NEBE, NEFRESH BREEZES AND SQUALLYRAIN0100000204441
1772-06-29T14:00-28.65-28.68379.3TRINIDADAN12:16W167S28E84.003NE, E, EBS, NEBNFRESH BREEZES AND SQUALLYHEAVY SHOWERS OF RAIN1100000204442
1772-06-30T14:00-29.35-28.603626.7TRINIDADAN11:46W181S07E42.003VARIABLEMODERATE, AT 5PM FRESH BREEZESCLOUDY WEATHER0000000204443
1772-07-01T14:00-30.22-24.852049.3TRINIDADAN11:46W206S64E117.001SSWFRESH BREEZESCLOUDY0000000204444
1772-07-02T14:00-31.30-24.632046.7TRINIDADAN26:45E236S64E148.001WSW, SWBS, SSWMODERATEFAIR WEATHER0000000204445
1772-07-03T14:00-31.73-22.821366.7TRINIDADAN31:55W265S76E112.001SBW, SSE, SEBS, SEMODERATEFAIR WEATHER0000000204446
1772-07-04T14:00-32.60-23.521486.7TRINIDADAN27:42W274S39W69.002SEBE, SE, WSW, SE, SEBSMODERATEFAIR WEATHER0000000204447
1772-07-05T14:00-32.52-22.6014819.0TRINIDADAN33:11W288N85E55.002S, SSE, SEBSFRESH GALES AND SQUALLY WEATHER0000000204448
1772-07-06T13:00-32.25-21.222016.7TRINIDADAN36:05E295N87E83.00-2SBE, S, SBW, SSWMODERATELARGE SWELL FROM THE SECLOUDY WEATHER0000000204449
1772-07-07T13:00-33.37-20.221009.3TRINIDADAN35:43E318N42E90.00-1SSW, WNW, N, NNE, E, EBSLIGHT WINDS, 4AM FRESH BREEZESCLOUDY WEATHER0000000204450
1772-07-08T13:00-32.33-19.621339.3TRINIDADAN39:44W309N30E72.00-2ESE, SEBE, SEFRESH BREEZESHAZY WEATHER0000000204451
1772-07-09T13:00-34.02-19.3311222.6TRINIDADAN44W292N12E82.00-1SEBE, EBS, ESEFRESH GALES, AT 5PM HEAVY GALES, 7AM STRONG GALES WITH HEAVY SQUALLS OF WINDAT 5PM SMALL RAIN, 7AM HEAVY SQUALLS OF RAINA GREAT SWELL FROM THE EASTWARDCLOUDY WEATHER1100000204452
1772-07-10T13:00-32.00-19.579922.6TRINIDADAN40:44W303S12W69.00-2E, ESE, ENE, EBSFRESH GALES, AT 5PM HEAVY GALES, 7AM STRONG GALES WITH HEAVY SQUALLS OF WINDAT 5PM SMALL RAIN, 7AM HEAVY SQUALLS OF RAINA GREAT SWELL FROM THE EASTWARDCLOUDY WEATHER1100000204453
1772-07-11T13:00-33.47-19.158922.6TRINIDADAN34:54W328S12E91.00-1EBS, E, EBN, EFRESH GALES, AT 5PM HEAVY GALES, 7AM STRONG GALES WITH HEAVY SQUALLS OF WINDAT 5PM SMALL RAIN, 7AM HEAVY SQUALLS OF RAINA GREAT SWELL FROM THE EASTWARDCLOUDY WEATHER1100000204454
1772-07-12T13:00-33.93-18.65440.0TRINIDADAN38W342N45E40.00-1NEBE, NNW, N, NNW, NEPM LITTLE WINDS, AM CALMPM CLEAR WEATHER0000000204455
1772-07-13T13:00-34.20-17.903372.6TRINIDADAN39:26W353S68E54.00-1NNW, N, NNWFIRST AND MIDDLE PARTS CALM, LATER LIGHT BREEZESLATTER CLOUDY0000000204456
1772-07-14T13:00-34.67-13.883349.3CAPE OF GOOD HOPEN88:50E501S82E193.00-4N, NNWFRESH BREEZESFAIR WEATHER0000000204457
1772-07-15T13:00-34.23-12.62196.7CAPE OF GOOD HOPES89:22E482S67E56.00-4NNW, S, SSE, NE, NNEFIRST PART FRESH BREEZES AND SQUALLY, MIDDLE LITTLE WIND, LATTER MODERATEMIDDLE HAZY, LATTER CLOUDY0000000204458
1772-07-16T13:00-34.25-8.952989.3CAPE OF GOOD HOPEN89:21E409E187.00-6NBW, NWBWFRESH BREEZESFAIR WEATHER0000000204459
1772-07-17T12:00-34.43-4.583299.3CAPE OF GOOD HOPES89:52E379S87E210.00-9NW, NNWFRESH BREEZESSMALL RAIN0100000204460
1772-07-18T12:00-34.62-0.533379.3CAPE OF GOOD HOPEN39E360S87E202.00-12NNW, NW, NBWFRESH BREEZESSMALL RAIN0100000204461
1772-07-19T12:00-34.731.603629.3CAPE OF GOOD HOPEN88:32E266S86E102.00-12VARIABLEFRESH BREEZESCLOUDY WEATHER0000000204462
1772-07-20T12:00-34.402.703611.0CAPE OF GOOD HOPEE248N72E69.00-14VARIABLE AND CALMPM LIGHT BREEZES, AM LIGHT AIRSPM CLOUDY WEATHER, AM HAZY0000000204463
1772-07-21T12:00-34.033.521661.0CAPE OF GOOD HOPEE205N74E44.00-14CALM, NNW, NBW, SLIGHT AIRSSOME RAINLARGE SWELL FROM THE SOUTHWARDHAZY0100000204464
1772-07-22T12:00-34.234.853626.7CAPE OF GOOD HOPES89:30E213S85E67.00-14VARIABLEFIRST PART CALM, MIDDLE AND LATTER MODERATEMIDDLE AND LATTER RAIN0100000204465
1772-07-23T12:00-34.237.073249.3CAPE OF GOOD HOPEN88:87E176S78E109.00-14SWBS, WSW, NWBN, NNWFIRST AND MIDDLE PARTS MODERATE BREEZES, LATTER FRESH BREEZESFIRST AND MIDDLE CLOUDY, LATTER CLEAR0000000204466
1772-07-24T11:00-35.6312.4534319.0CAPE OF GOOD HOPEN78E100S77E220.00-17N, NBE, NW, NFRESH BREEZES AND SQUALLY, AT 8 FRESH GALES AND SQUALLYLIGHTNINGSHOWERS OF RAIN1100100204467
1772-07-25T11:00-35.1017.221846.7CAPE OF GOOD HOPEN69:50E81N83E194.00-19NW, WNW, SW, SSWFRESH GALES, AT 5:30 MODERATEAT 530 LIGHTNINGCLEAR WEATHER, AT 5:30 CLOUDY WEATHER0000100204468
1772-07-26T11:00-35.6321.0118219.0CAPE OF GOOD HOPEN39W48S59E143.00-21SWBS, VARIABLE, SW, SSWFRESH GALESCLEAR WEATHER0000000204469
1772-07-27T10:00-36.0723.773036.7MADAGASCARN62E437S79E142.00-23WSW, VARIABLE, NWBNMODERATE BREEZESA LARGE SWELL FROM THE WESTWARDCLOUDY WEATHER0000000204470
1772-07-28T10:00-36.1026.873486.7MADAGASCARN53:44E389N88E150.00-23WNW, NW, NBEMODERATE BREEZESCLEAR WEATHER0000000204471
1772-07-29T10:00-36.2329.623622.6MADAGASCARN53:44E353S84E107.00-25VARIABLELIGHT BREEZESCLEAR WEATHER0000000204472
1772-07-30T10:00-36.1032.64192.6MADAGASCARN48:10E307N87E138.00-26NEBN, NEBE, NE, NEBE, NELIGHT BREEZESCLEAR WEATHER0000000204473
1772-07-31T10:00-36.7534.373459.3MADAGASCARN43:21E295S79E90.00-26N, NEBN, NNE, NBEFRESH BREEZESCLOUDY WEATHER0000000204474
1772-08-01T10:00-36.5836.82819.0MADAGASCARN40E285N82E78.00-26NBE, NNE, NBE, NEBNFRESH GALES, AT 11PM MODERATEAT 11PM LIGHTNING ALL AROUND THE COMPASSCLOUDY WEATHER0000100204475
1772-08-02T09:00-36.7737.513612.6MADAGASCARN38E276S75E37.00-27CALM, VARIABLE, CALMLITTLE WINDCLEAR0000000204476
1772-08-03T09:00-36.5837.7181.0MADAGASCARN34:06E267N40E14.00-27NE, ENE, NEBNLIGHT AIRSCLEAR WEATHER0000000204477
1772-08-04T09:00-35.4239.2436222.6MADAGASCARN32:06E227N47E105.00-27VARIABLEFRESH GALES AND SQUALLY WEATHER, AT 9PM STRONG GALES, AT 10 VERY SQUALLYAT 9PM LIGHTNING ALL AROUND THE COMPASSAT 9PM HEAVY RAINA GREAT SWELL FROM THE NE0100100204478
1772-08-05T09:00-33.5040.2931222.6MADAGASCARN31E185N30E130.00-27NW1/2W, NW, NWBN, NNWFRESH GALES AND SQUALLY WEATHER, AT 9PM STRONG GALES, AT 10 VERY SQUALLYAT 9PM LIGHTNING ALL AROUND THE COMPASSAT 9PM HEAVY RAINA GREAT SWELL FROM THE NE0100100204479
1772-08-06T09:00-33.7741.9686.7MADAGASCARN25:7E176S79E88.00-27NBW, NNW, NEBE, NE, NEBNMODERATECLEAR WEATHER0000000204480
1772-08-07T09:00-31.9243.322689.3MADAGASCARN22:44E13N38E138.00-25NE, NNE, NE, SBW, WNWFRESH BREEZESHAZY WEATHER0000000204481
1772-08-08T09:00-29.6543.743469.3MADAGASCARN30E90N9E139.00-25NW, NBW, NBEFRESH BREEZESCLOUDY WEATHER0000000204482
1772-08-09T09:00-27.6544.023469.3MADAGASCARN26:42E74N36E100.00-25NBE, VARIABLE, NBEFRESH BREEZESCLOUDY WEATHER0000000204483
1772-08-10T09:00-26.0043.343372.6MADAGASCARN57:40E54N67W102.00-23NBE, VARIABLE, NLIGHT BREEZESCLOUDY WEATHER0000000204484
1772-08-11T09:00-25.9843.593159.3MADAGASCARN53:25E48N17E116.00-23NBW, NWBW, NNWFRESH BREEZESHAZY WEATHER0000000204485
1772-08-12T00:00-24.331916.7LAND, EXTREMES OFSSE-NE31NWBN, SSW, SBWMODERATE BREEZESCLOUDY WEATHER0000000204486
1772-08-13T00:00-23.60362LAND, EXTREMES OFSBE-NE31VARIABLEPM MODERATEPM FAIR WEATHER0000000204487