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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 IMPERIEUSE cruise from Benkulen to Deptford started at 1801-02-03 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.749760, 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: -5.483182 * Median Longitude: 21.623523 * South-bound Latitude: -35.080000 * West-bound Longitude: -33.300000 * North-bound Latitude: 47.850000 * East-bound Longitude: 100.420000
Date/Time Start: 1801-02-03T05:00:00 * Date/Time End: 1802-06-09T13:00:00
Event(s):
Imperieuse_18010203_NMM_ADM/L/J50 * Latitude Start: -6.670000 * Longitude Start: 100.420000 * Latitude End: 49.180000 * Longitude End: -5.320000 * Date/Time Start: 1801-02-03T00:00:00 * Date/Time End: 1802-06-09T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Imperieuse (5th Rate Frigate), Voyage: Benkulen - Deptford, 1st Observer: Josias Rowley (Captain), 2nd Observer: W Gibson (1st Officer/Master), Company: Royal Navy, Other ship information: 38G 1040BM
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:
1691 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)
1801-02-03T05:00-6.67100.422949.3RODRIDUESS70W770S31W197.001WNWFRESH BREEZESCLOUDY0000000114613
1801-02-04T05:00-8.0599.952816.7RODRIDUESS72W748S19W86.000WBNMODERATERAINCLOUDY0100000114614
1801-02-05T05:00-10.0099.623626.7RODRIDUESS75W727S11W120.000W, VARIABLEMODERATECLOUDY0000000114615
1801-02-06T05:00-12.0798.972706.7RODRIDUESS79W697S17W135.000NNW, WMODERATEFAIR0000000114616
1801-02-07T06:00-12.7296.573029.3RODRIDUESS79W650S54W174.00-2VARIABLE, SEBS, NWBWMODERATE THEN FRESH BREEZESCLOUDY0000000114617
1801-02-08T06:00-14.5593.273629.3RODRIDUESS80W583S70W197.00-2VARIABLEFRESH BREEZESCLOUDY0000000114618
1801-02-09T06:00-14.9390.623626.7RODRIDUESS80W533S81W156.00-2VARIABLEMODERATECLOUDY0000000114619
1801-02-10T06:00-14.8888.371566.7RODRIDUESS79W490N89W130.00-2SEBE, SSEMODERATECLOUDY0000000114620
1801-02-11T06:00-15.2086.821336.7RODRIDUESS79W460S77W92.00-2SEBS, SEMODERATEHEAVY RAINCLEAR AND HAZY THEN VARIABLE, THEN FAIR0100000114621
1801-02-12T06:00-15.7785.683621.0RODRIDUESS71W428S60W74.00-2VARIABLELIGHT AIRSHEAVY RAINFAIR THEN VARIABLE0100000114622
1801-02-13T06:00-16.6083.32362RODRIDUESS81W388S69W148.00-2VARIABLEMODERATE THEN SQUALLYCLOUDY0000000114623
1801-02-14T07:00-17.1081.123626.7RODRIDUESS82W342S76W130.00-2VARIABLEMODERATEFAIR THEN CLOUDY0000000114624
1801-02-15T07:00-17.4378.783626.7RODRIDUESS81W298S82W133.00-2VARIABLEMODERATE AND SQUALLYDARK AND CLOUDY0000000114625
1801-02-16T07:00-18.4575.5310712.3RODRIDUESS84W234S71W197.00-6SBW, ESEFRESH TRADE0000000114626
1801-02-17T07:00-19.1772.203629.3RODRIDUESS87W171S77W194.00-7VARIABLEPLEASANT BREEZE THEN FRESH BREEZE0000000114627
1801-02-18T07:00-19.6769.031066.7RODRIDUESS89W114S81W189.00-7SE, ESEMODERATECLEAR0000000114628
1801-02-19T08:00-19.9065.871036.7RODRIDUESS85W52S86W176.00-10VARIABLE, ESEPLEASANT BREEZE0000000114629
1801-02-20T08:00-19.7262.853626.7RODRIDUESS64W4N88W160.00-10VARIABLEMODERATESMALL RAINCLOUDY0100000114630
1801-02-21T08:00-20.1359.821349.3ISLE OF PROMISES67W42S81W191.00-12E, SEBSFRESH BREEZESFAIR THEN CLOUDY0000000114631
1801-02-22T08:00-19.8057.58362ST OF ISLE OF PROMISE6N84W127.00-12VARIABLEPLEASANT BREEZES THEN SQUALLYFAIR0000000114632
1801-02-23T08:00-20.1656.32989.3BOUBONSBE1/2E-15SSW, ESEFRESH BREEZESCLOUDY0000000114633
1801-02-24T08:00-20.5855.903622.6BOUBONSBE-15VARIABLELIGHT BREEZES0000000114634
1801-02-25T08:00-20.6853.781659.3CAPE ST MARYSBW60N88W102.00-15SSW, SFRESH GALES AND SQUALLY, FRESH BREEZESRAINCLOUDY0100000114635
1801-02-26T08:00-20.4352.551889.3FORT DOLPHINS4E15N81W79.00-15SBW1/2W, SSWFRESH BREEZESHAZY0000000114636
1801-02-27T09:00-20.5351.482071.0FORT DOLPHINS42W121S53W60.00-18S1/2W, SWMODERATE THEN LIGHT AIRSCLOUDY THEN VARIABLE0000000114637
1801-02-28T09:00-21.4550.903620.0FORT DOLPHINS44W99S36W53.00-18VARIABLECALMCLOUDY0000000114638
1801-03-01T09:00-23.6548.773519.3FORT DOLPHINS50W40S25W153.00-20E, NBELIGHT AIRS, THEN FRESH BREEZESHOT AND SULTRYCLOUDY0000000114639
1801-03-02T09:00-24.4748.373626.7FORT DOLPHINS65W25S25W51.00-20VARIABLEMODERATE BREEZES AND SQUALLYCLOUDY0000000114640
1801-03-03T09:00-24.5248.303621.0S51W6.00-20VARIABLELIGHT AIRS AND VARIABLECLOUDY0000000114641
1801-03-04T09:00-24.7049.023626.7FORT DOLPHINS80W36S74W41.00-20VARIABLEMODERATECLEAR0000000114642
1801-03-05T09:00-25.4848.731492.6EXTREMES OF LANDSW - WNWS19W44.00-20VARIABLE, SBELIGHT BREEZESCLOUDY0000000114643
1801-03-06T09:00-26.8846.503629.3CAPE AGUILASS71W412S55W147.00-23VARIABLEMODERATE THEN FRESH BREEZESCLOUDY0000000114644
1801-03-07T09:00-27.6344.553621.0CAPE AGUILASS70W439S65W104.00-25VARIABLEMODERATE THEN LIGHT AIRSFAIR THEN CLEAR0000000114645
1801-03-08T09:00-27.9343.88882.6CAPE AGUILASS71W412S63W40.00-25SBW, E, ESELIGHT AIRS INCLINABLE TO CALM, LIGHT BREEZESCLEAR0000000114646
1801-03-09T09:00-28.4241.93209CAPE AGUILASS70W360N72W111.00-27S, SWBWMODERATE THEN SQUALLYRAINFAIR0100000114647
1801-03-10T09:00-29.7338.653626.7CAPE AGUILASS72W325S64W180.00-27VARIABLEMODERATEFAIR0000000114648
1801-03-11T10:00-31.3234.933629.3CAPE AGUILASS74W243S63W114.00-28VARIABLEFRESH BREEZESSMOOTH WATERFAIR0000000114649
1801-03-12T10:00-31.6732.40362CAPE AGUILASS72W194S79W133.00-28NWBW, VARIABLEFRESH GALES, HEAVY SQUALLSFAIR0000000114650
1801-03-13T10:0032.3536219.0CAPE AGUILASS78W12322.00VARIABLEFRESH GALES0000000114651
1801-03-14T10:00-33.0230.353622.6CAPE AGUILASS79W164S58W118.00-29VARIABLELIGHT BREEZESCLOUDY0000000114652
1801-03-15T10:00-34.4328.673626.7CAPE AGUILASS87W123S50W131.00-29VARIABLEMODERATEFAIR0000000114653
1801-03-16T10:00-35.0825.50179.3CAPE AGUILASS85W84S75W144.00-28NEFRESH BREEZESFAIR0000000114654
1801-03-17T11:00-34.7722.053629.3CAPE AGUILASS83W45N74W124.00-27VARIABLEFRESH BREEZES0000000114655
1802-04-13T11:00-33.2717.473621.0ST HELENAN50W60368.00-25VARIABLELIGHT AIRS INCLINING TO CALMHEAVY SWELL FROM WSWHAZY0000000114656
1802-04-14T11:00-32.3716.533621.0ST HELENAN50W57668.00-25VARIABLELIGHT AIRS INCLINABLE TO CALMHAZY0000000114657
1802-04-15T11:00-32.0516.533621.0ST HELENAW14168.00-25VARIABLELIGHT AIRS INCLINABLE TO CALMCLEAR THEN PLEASANT0000000114658
1802-04-16T11:00-31.4315.872906.7ST HELENAN52W50241.00-25W, NWMODERATE BREEZESRAINHEAVY SWELL FROM NWCLOUDY0100000114659
1802-04-17T11:00-29.2214.622909.3ST HELENAN45W46214.00-25WNW, NWMODERATE BREEZES THEN FRESH BREEZESHAZY0000000114660
1802-04-18T11:00-26.7811.351129.3ST HELENAN55W385N50W227.00-23SSE, SESTRONG BREEZES THEN FRESH BREEZESCLOUDY THEN HAZY THEN CLEAR0000000114661
1802-04-19T00:00-24.871589.3ST HELENAN57W332N44W163.00SE, SBW, SSW, SSEFRESH BREEZESCLEAR0000000114662
1802-04-20T12:00-23.357.401599.3ST HELENAN59W290130.00-21WBS, SMODERATE BREEZES, LIGHT AIRS THEN FRESH BREEZESHAZY0000000114663
1802-04-21T12:00-21.435.272266.7ST HELENAN62E233N46W166.00-22S, WSWMODERATE BREEZESHAZY0000000114664
1802-04-22T12:00-19.882.981136.7ST HELENAN64:22W183N56W-22SEBS, SEMODERATE BREEZE THEN FRESH BREEZE, THEN MODERATEFAIR THEN CLOUDY THEN CLEAR0000000114665
1802-04-23T12:00-18.301.221389.3ST HELENAN66:28W119N61W-20SBW, SSEMODERATE BREEZES THEN FRESH BREEZESHAZY THEN CLOUDY0000000114666
1802-04-24T12:00-16.25-2.531239.3ST HELENAN84W53N53W105.00-18SE1/2SFRESH BREEZESHAZY THEN CLOUDY0000000114667
1802-04-25T12:00-15.85-7.371179.3ASCENSIONN47W183N40W-18SBE, SEFRESH BREEZESCLOUDY0000000114668
1802-05-07T13:00-2.18-17.10989.3BRAVAN24W365N25W173.00-15SE, ESEMODERATE BREEZES THEN FRESH BREEZESFLYING SHOWERS OF RAINPLEASANT1100000114669
1802-05-08T13:001.07-17.603596.7BRAVAN26W317195.00-12NBEPLEASANT BREEZES THEN FRESH BREEZES, THEN MODERATE BREEZESCLOUDY THEN HAZY0000000114670
1802-05-09T13:003.87-17.493629.3BRAVAN26W264N3W168.00-15VARIABLEFRESH BREEZES AND SQUALLYRAINCLOUDY0100000114671
1802-05-10T13:005.15-17.381761.0BRAVAN36W241N6W78.00-15VARIABLE, WSW, SBWLIGHT BREEZES, LIGHT AIRSHEAVY RAINCLOUDY0100000114672
1802-05-11T13:006.48-17.601001.0BRAVAN40W219S10W81.00-13SE, VARIABLE, ENE, NE, ESEFRESH BREEZES THEN LIGHT AIRS INCLINABLE TO CALMHEAVY RAIN0100000114673
1802-05-12T13:007.00-17.82211.0BRAVAN40W205N22W31.00-13NE, VARIABLE, NEBNLIGHT AIRS INCLINABLE TO CALMRAINCLOUDY THEN VARIABLE0100000114674
1802-05-13T13:007.80-18.22311.0BRAVAN43:20W192N24W86.00-14VARIABLE, ESE, NELIGHT AIRS INCLINABLE TO CALMCLOUDY0000000114675
1802-05-14T13:008.23-18.40996.7BRAVAN43W181N43W35.00-14VARIABLE, NW, N, ESELIGHT AIRS INCLINABLE TO CALM, MODERATE BREEZESCLOUDY0000000114676
1802-05-15T13:008.47-19.32311.0BRAVAN39W163N75W57.00-14VARIABLE, N, NEMODERATE BREEZES THEN LIGHT AIRSCLOUDY0000000114677
1802-05-16T13:008.50-20.683626.7BRAVAN32W149N89W92.00-14VARIABLEMODERATE BREEZES THEN MODERATECLOUDY0000000114678
1802-05-17T13:009.28-22.133626.7BRAVAN25W90N58W94.00-14VARIABLEMODERATE BREEZESHAZY0000000114679
1802-05-18T14:0010.45-22.923626.7-12VARIABLEMODERATE BREEZESCLOUDY0000000114680
1802-05-19T14:0012.10-23.70339.3BRAVAN12W90N47W109.00-12VARIABLE, ENE, NEMODERATE BREEZES, FRESH BREEZESCLEAR THEN CLOUDY0000000114681
1802-05-20T14:0013.05-24.70431.0BRAVAN12E55N31W114.00-13NE, VARIABLE, NEBEMODERATE BREEZES INCLINABLE TO CALMCLEAR THEN CLOUDY0000000114682
1802-05-21T14:0015.38-25.733629.3FAYALN6W500N35W104.00-13VARIABLEMODERATE BREEZES THEN FRESH BREEZESCLOUDY0000000114683
1802-05-22T14:0017.58-27.37376.7FAYALN6W461N42W144.00-15NE, NEBE, NE1/2EMODERATE BREEZES THEN FRESH BREEZES, MODERATECLEAR0000000114684
1802-05-23T14:0019.70-29.07562.6FAYALN3E376N36W162.00-12NEBE, VARIABLE, ENEMODERATE BREEZES THEN LIGHT BREEZECLOUDY0000000114685
1802-05-24T14:0021.62-30.90676.7FAYALN6E380N25W142.00-12ENE, VARIABLE, E, EBNMODERATE BREEZE AND SQUALLYCLEAR0000000114686
1802-05-25T14:0023.53-30.803626.7FAYALN14E307N10W117.00-14EBN, VARIABLEMODERATE BREEZE THEN FRESH BREEZE THEN MODERATECLEAR0000000114687
1802-05-26T14:0024.80-31.673621.0FAYALN18E283N31W89.00-14VARIABLEMODERATE BREEZE THEN LIGHT AIRS AND VARIABLECLEAR FINE AND PLEASANT0000000114688
1802-05-27T14:0025.82-32.28206.7FAYALN23E273N30W71.00-14NEBE, VARIABLE, NE, NEBNLIGHT AIRS THE MODERATE BREEZESVARIABLE THEN CLOUDY0000000114689
1802-05-28T14:0026.82-33.123621.0FAYALN23E263N39W73.00-12VARIABLELIGHT AIRS, MODERATE BREEZES INCLINABLE TO CALMVARIABLE THEN CLEAR0000000114690
1802-05-29T14:0027.53-33.30421.0FAYALN29E253N11W45.00-14VARIABLE, ESE, NEBELIGHT AIRS INCLINABLE TO CALMCLEAR0000000114691
1802-05-30T14:0029.57-32.45186.7FAYALN31E207N20W130.00-16ENEBE, NEBNLIGHT AIRS INCLINABLE TO CALM, MODERATE BREEZESHEAVY SWELL FROM NWCLOUDY0000000114692
1802-05-31T14:0031.85-30.22220ISLE OF PICON26E147N40W180.00-16WSW, W, SWBWFRESH GALES THEN SQUALLYRAINCLOUDY0100000114693
1802-06-01T14:0033.77-28.083626.7ISLE OF ST MICHAELN32E100N42W158.00-19VARIABLEFRESH BREEZES THEN LIGHT BREEZES, MODERATE BREEZEFLYING SHOWERS OF RAINHAZY THEN CLOUDY1100000114694
1802-06-02T14:0034.98-25.433189.3ISLE OF ST MICHAELN47E147N36W121.00-20NNE, VARIABLE, NNWFRESH BREEZESHAZY0000000114695
1802-06-03T14:0035.77-23.422616.7ISLE OF ST MICHAELN46E137NBE67.00-20VARIABLE, NBE, WBNMODERATE AND SQUALLY, MODERATE BREEZESPLEASANT THEN CLOUDY0000000114696
1802-06-04T14:0037.00-23.583626.7ISLE OF ST MICHAELN45E122N55W133.00-20NBE, VARIABLEMODERATE BREEZESCLOUDY0000000114697
1802-06-05T13:0038.40-22.133486.7SCILLYN44E107N40E107.00-23NBW, VARIABLE, WSW, W, NBELIGHT BREEZES, MODERATE BREEZESPLEASANT, DARK AND CLOUDY0000000114698
1802-06-06T13:0040.28-19.782709.3SCILLYN43E263N47E171.00-23NW, N, WNWMODERATE, FRESH BREEZES AND SQUALLYCLEAR THEN CLOUDY0000000114699
1802-06-07T13:0041.88-16.6731522.6SCILLYN42E217S54E158.00-23VARIABLE, NBW, NNWFRESH BREEZES THEN HEAVY GALESHEAVY SWELL FROM WCLOUDY0000000114700
1802-06-08T13:0044.60-14.003016.7SCILLYN44E147N39E205.00-25NW, VARIABLE, NWBNFRESH BREEZES AND SQUALLY, MODERATE BREEZESHEAVYSMALL RAINHAZY, CLOUDY0100000114701
1802-06-09T13:0047.85-11.333129.3SCILLYN69E73N31E227.00-26WSW, SWBW, WNW, NNWMODERATE, FRESH BREEZESHAZY0000000114702