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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 MONMOUTH cruise from Johanna to Moubat started at 1781-09-25 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.750817, 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: 6.556667 * Median Longitude: 56.117059 * South-bound Latitude: -10.880000 * West-bound Longitude: 42.800000 * North-bound Latitude: 16.030000 * East-bound Longitude: 62.950000
Date/Time Start: 1781-09-25T00:00:00 * Date/Time End: 1781-11-16T00:00:00
Event(s):
Monmouth_17810925_NMM_ADM/L/M16B * Latitude Start: -10.950000 * Longitude: 44.330000 * Date/Time Start: 1781-09-25T00:00:00 * Date/Time End: 1781-11-16T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Monmouth (3rd Rate Frigate), Voyage: Johanna - Moubat, 1st Observer: James Alms (Captain), 2nd Observer: George Murray (1st Officer/Master), Company: Royal Navy, Other ship information: 64G 1369BM
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 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
14 Current speed descriptionV descr
15 Wind force descriptionWind force descrAll reported wind forces on this day
16 Present weatherwwWeather description
17 Precipitation descriptionPrecip descr
18 State of the sea descriptionState sea descr
19 ClearnessClearness
20 GustsGusts1 If wind gusts are reported
21 Precipitation/RainRain1 If rain was reported
22 FogFog1 If fog was reported
23 Snow typeSnow1 If snow was reported
24 ThunderThunder1 If thunder and or lightning was reported
25 HailHail1 If hail was reported
26 Sea iceSea ice1 If sea-ice or icebergs were reported
27 IdentificationIDCLIWOC 2.1 line number
Size:
1014 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 
Cur dir descr
(Direction of the current. Thi...)
14 
V descr
15 
Wind force descr
(All reported wind forces on t...)
16 
ww
(Weather description)
17 
Precip descr
18 
State sea descr
19 
Clearness
20 
Gusts
(1 If wind gusts are reported)
21 
Rain
(1 If rain was reported)
22 
Fog
(1 If fog was reported)
23 
Snow
(1 If snow was reported)
24 
Thunder
(1 If thunder and or lightning...)
25 
Hail
(1 If hail was reported)
26 
Sea ice
(1 If sea-ice or icebergs were...)
27 
ID
(CLIWOC 2.1 line number)
1781-09-25T00:00-11.803621.0COMORONWBW1/2W7VARIABLEFIRST PART FRESH BREEZES, LATTER INCLINABLE TO CALMCLOUDY0000000170348
1781-09-26T09:00-10.8844.401632.6COMOROSW3/4S16-17ESE, SE, SLIGHT BREEZESSWELL FROM EHAZY0000000170349
1781-09-27T09:00-9.5044.35846.7COMOROS5:15W40N5:15W119.00-17S, SE, EBSMODERATE0000000170350
1781-09-28T09:00-7.3343.081209.3COMOROSE85N6:30W130.00-15SEBE, ESE, SEFRESH BREEZESSWELL FROM SE0000000170351
1781-09-29T09:00-5.7742.801209.3COMOROS2:30E117N8W95.00-15SEBE, SEFRESH BREEZES AND SQUALLY0000000170352
1781-09-30T09:00-3.7742.801099.3COMOROS4E157N8W122.00-15SE, SEBE,FRESH BREEZESCLEAR0000000170353
1781-10-01T09:00-2.2543.981001.0COMOROS4W185N58E115.00-13SSW, ESELIGHT AIRSSWELL FROM THESECLEAR0000000170354
1781-10-02T09:00-1.7745.031566.7COMOROS10W200N64E70.00-13S, SBEMODERATESWELL FROM SSECLOUDY0000000170355
1781-10-03T09:00-1.2046.221116.7COMOROS15:15W216N63E80.00-13SBE, SSE, SEBEMODERATE BREEZESCLOUDY0000000170356
1781-10-04T09:00-0.4047.551586.7COMOROS20:30W240N59E90.00-11SBW, SBEMODERATEHAZY0000000170357
1781-10-05T09:000.7048.821476.7COMOROS24W268N48:30E101.00-11SBW, SSEMODERATE BREEZESCLOUDY0000000170358
1781-10-06T09:002.2050.071586.7COMOROS26W310N40E116.00-11SBE, SSW, SBEMODERATEHAZY0000000170359
1781-10-07T09:003.6051.081486.7COMOROS27W343N36E104.00-10SBW, SBE, SSEMODERATEHAZY0000000170360
1781-10-08T09:005.0552.051706.7COMOROS27:45W378N33:45E105.00-10SSW, SMODERATEHAZY0000000170361
1781-10-09T08:007.1253.352286.7COMOROS28:45W423N33:15E142.00-8SWBW, SSW, SWBWMODERATEHAZY0000000170362
1781-10-10T08:007.5554.422189.3COMOROS30:15W442N63:15E72.00-7SWBW, SWBS, SWFRESH BREEZESCLOUDY0000000170363
1781-10-11T08:008.0555.622186.7COMOROS32W453N67E77.00-7SWMODERATECLOUDY0000000170364
1781-10-12T08:008.3555.923316.7COMOROS33W464N46E25.00-7NNWMODERATECLOUDY0000000170365
1781-10-13T08:008.6056.22830.6COMOROS33:30W471N50E24.00-7VARIABLE, EE1/2N6LIGHT AIRS INCLINABLE TO CALM0000000170366
1781-10-14T08:008.8756.52161.0COMOROS34W479N50E24.00-7VARIABLE, NNESET NE1/2N4FIRST CALM, MID AND LATTER LIGHT AIRS0000000170367
1781-10-15T08:009.0556.873621.0COMOROS34:30W485N62E24.00-7VARIABLELIGHT AIRSSWELL FORM THE SEHAZY0000000170368
1781-10-16T08:008.4357.323621.0COMOROS34:45W486S36E46.00-7NNE, VARIABLELIGHT AIRSCLEAR0000000170369
1781-10-17T08:007.8357.702311.0COMOROS36W480S33E43.00-5VARIABLE, SWBWSET SSELIGHT AIRSSWELL FROM SECLOUDY0000000170370
1781-10-18T08:007.3357.703621.0COMOROS37W472S30.00-6VARIABLELIGHT AIRS INCLINABLE TO CALM0000000170371
1781-10-19T08:007.2857.622871.0COMOROS37W471S57:30W6.00-6W, NW, WNWLIGHT AIRSSWELL FROM SSW0000000170372
1781-10-20T08:007.5857.923101.0COMOROS37W479NE25.00-5NWLIGHT AIRSRAIN0100000170373
1781-10-21T08:008.0058.333621.0COMOROS37:30W490NE36.00-5VARIABLESET N1/2WLIGHT AIRSCLOUDY0000000170374
1781-10-22T08:008.2858.78276COMOROS38W498N56:45E31.00-5E, NNW, WBNVARIABLESWELL FROM SE0000000170375
1781-10-23T08:009.2559.632881.0COMOROS38W522N40:45E77.00-5WSW, NW, WNWLIGHT AIRSSOME RAINCLOUDY0100000170376
1781-10-24T08:009.1059.983551.0COMOROS39W524S66E22.00-5NLIGHT AIRSSOME RAINCLOUDY0100000170377
1781-10-25T08:009.1260.423621.0COMOROS40E529N87:30E25.00-5VARIABLEWSW1/2W1LIGHT AIRSSOME RAINCLOUDY0100000170378
1781-10-26T08:009.1760.753621.0COMOROS40W432N82E21.00-5VARIABLELIGHT AIRSCLOUDY0000000170379
1781-10-27T08:009.0261.133551.0COMOROS40:30W436S67:30E24.00-5NLIGHT AIRSCLOUDY0000000170380
1781-10-28T08:009.3361.482201.0COMOROS40:45W545N46:15E28.00-5NW, VARIABLE, NBW, SWFIRST FRESH BREEZES, LATTER MODERATE INCLINABLE TO CALMCLOUDY0000000170381
1781-10-29T08:009.0562.22181.0COMOROS42:30W556S71E45.00-5NEBN, NNELIGHT AIRSRAIN0100000170382
1781-10-30T08:009.0262.4761.0COMOROS43W560S84E16.00-5NBE,LIGHT AIRSCLOUDY0000000170383
1781-10-31T08:008.8362.783621.0COMOROS43:30W563S72E22.00-3VARIABLELIGHT AIRSSWELL FROM NE0000000170384
1781-11-01T08:008.6062.95311.0COMOROS43:30W564S70E10.00-3NE, NEBNLIGHT AIRS0000000170385
1781-11-02T08:008.6862.633571.0COMOROS43W560N73W78.00-3NLIGHT AIRSCLOUDY0000000170386
1781-11-03T08:008.9862.30851.0COMOROS42:30W558N45W27.00-5NBE, NEBN, ELIGHT AIRSCLOUDY0000000170387
1781-11-04T08:009.4362.071081.0COMOROS43W561N24W30.00-5ENE, ESELIGHT AIRSCLOUDY0000000170388
1781-11-05T08:009.6061.903621.0COMOROS41:30W558N45W12.00-5NNE, EBN, VARIABLE,SET NW1/2W3LIGHT AIRS INCLINABLE TO CALMSWELL FROM SECLOUDY0000000170389
1781-11-06T08:009.6361.903211.0COMOROS41:30W559N2.00-5NEBN, E, SSW, NWBNLIGHT AIRS0000000170390
1781-11-07T08:009.8562.33406.7COMOROS41:45W566N61E28.00-5N, NNE, NEMODERATE BREEZESRAIN0100000170391
1781-11-08T08:0010.4261.48519.3COMOROS40:30W560N57W59.00-5NEBN, NE, NEBEFRESH BREEZESCLOUDY0000000170392
1781-11-09T08:0011.3360.87409.3COMOROS38W564N40W55.00-5NEBN, ENE, NEFRESH BREEZESCLOUDY0000000170393
1781-11-10T08:0011.8560.32636.7COMOROS35W572N31W63.00-5NEBE, EBN, ENEMODERATE BREEZESLIGHTNINGSOME RAINCLOUDY0100100170394
1781-11-11T08:0013.0759.93636.7COMOROS34W583N16W78.00-5NEBE, E, ENEMODERATE BREEZESLIGHTNINGSOME RAINCLOUDY0100100170395
1781-11-12T08:0014.1359.38406.7COMOROS31W591N26W71.00-5ENE, NEBE, E, NEMODERATECLOUDY0000000170396
1781-11-13T08:0014.9058.953629.3COMOROS28W600N29W51.00-5ENE, E, VARIABLEFRESH BREEZESCLEAR0000000170397
1781-11-14T08:0015.0058.733621.0COMOROS30W603N79W14.00-5VARIABLELIGHT AIRSSWELL FROM E0000000170398
1781-11-15T08:0016.0358.853610.0COMOROS21W619N6E46.00-5CALMCALMCLOUDY0000000170399
1781-11-16T00:0016.90796.7CAPE MOUBATW1/2S13ENE, E, EBNMODERATECLOUDY0000000170400