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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 MERSEY cruise from Pouillac to Monserrat started at 1822-09-06 [dataset]. Public Record Office, Kew, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.750780, 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: 30.094000 * Median Longitude: -16.758000 * South-bound Latitude: 9.430000 * West-bound Longitude: -25.700000 * North-bound Latitude: 44.750000 * East-bound Longitude: -4.750000
Date/Time Start: 1822-09-06T12:00:00 * Date/Time End: 1822-09-30T14:00:00
Event(s):
Mersey_18220906_PRO_ADM/51/3265 * Latitude Start: 44.750000 * Longitude Start: -4.750000 * Latitude End: 16.580000 * Longitude End: -62.200000 * Date/Time Start: 1822-09-06T00:00:00 * Date/Time End: 1822-09-30T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Mersey (6th Rate Frigate), Voyage: Pouillac - Monserrat, 1st Observer: Edward Collier (Captain), Company: Royal Navy, Other ship information: 28G 444BM
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
Temperature, airTTT°C
LandmarkLandmarkName of first landmark
BearingBearingBearing of the first landmark
Distance to landmarkDistancearbitrary unitsDistance to the first landmark
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 Sensor readingReadingarbitrary unitsReading of the (outside) air thermometer
14 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.
15 Wind force descriptionWind force descrAll reported wind forces on this day
16 Present weatherwwWeather description
17 Precipitation descriptionPrecip 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 CommentComment
27 IdentificationIDCLIWOC 2.1 line number
Size:
499 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...)

TTT [°C]

Landmark
(Name of first landmark)

Bearing
(Bearing of the first landmark)

Distance [arbitrary units]
(Distance to the first landmark)
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 
Reading [arbitrary units]
(Reading of the (outside) air ...)
14 
Wind dir descr
(All reported wind directions ...)
15 
Wind force descr
(All reported wind forces on t...)
16 
ww
(Weather description)
17 
Precip 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 
Comment
27 
ID
(CLIWOC 2.1 line number)
1822-09-06T12:0044.75-4.75666.7CAPE ORTUGALS62W149S77:30W165.00-24ENE, E, EMODERATEFINE0000000168497
1822-09-07T12:0043.93-7.08669.320.0CAPE PRIORS61:52E8-2468.00E, SSE, E, NEBN, ESE, EAM FRESH BREEZES, PM LIGHT BREEZESAM FINE, PM CLOUDY0000000168498
1822-09-08T13:0043.12-9.421632.620.0S71W49.00-2568.00S, VARIABLE, S3/4W, SEBS, SE, S3/4WLIGHT BREEZESAM CLOUDY, PM FINE0000000168499
1822-09-09T13:0042.10-10.623626.721.7PORTO SANCTOS27W600S47W87.00-2371.00S, VARIABLE, SBW, VARIABLEAM MODERATE, PM FRESH BREEZESAM HAZY, PM CLOUDY0000000168500
1822-09-10T13:0041.57-11.651806.722.2PORTO SANCTOS23:30W550S59W48.00-2372.00SBE, VARIABLE, SSW, VARIABLE, SSWAM MODERATE BREEZES, PM MODERATEAM LIGHTNINGAM RAINPM CLOUDY0100100168501
1822-09-11T13:0041.53-11.031402.621.7PORTO SANCTOS29W542S45W36.00-2371.00VARIABLE, ESE, SBE1/2E, VARIABLE, NE1/2N, SBE1/2EAM LIGHT WINDS, PM LIGHT AIRSAM CLOUDY, PM FINE0000000168502
1822-09-12T13:0040.60-11.023372.6PORTO SANCTOS26:30W512S32W30.00-23E, N, NNE, VARIABLE, NAM LIGHT WINDS, PM LIGHT BREEZESFINE0000000168503
1822-09-13T13:0040.38-11.351801.021.7PORTO SANCTOS27W492S34W23.00-2371.00NNE, SE, SSW, VARIABLE, SW, SSWLIGHT AIRSAM FINE, PM CLOUDY0000000168504
1822-09-14T13:0040.03-11.532022.621.7PORTO SANCTOS28:30W480S3W17.00-2371.00WSW, SW, W, WNW, SWAM LIGHT BREEZES, PM STRONG BREEZESCLOUDY0000000a trivial correction was made in this observation168505
1822-09-15T13:0038.55-12.073156.721.1PORTO SANCTOS32:30W388S21W99.00-2370.00VARIABLE, NNW, NBW, N, NNWMODERATE BREEZESAM CLOUDY, PM FINE0000000168506
1822-09-16T13:0036.55-13.27346.721.1PORTO SANCTOS32W247S28W135.00-2270.00N, NEBE, EBN, VARIABLE, NEBEMODERATE BREEZESAM FINE, PM CLOUDY0000000168507
1822-09-17T13:0034.02-14.67236.721.1PORTO SANCTOS48W106S29W157.00-2270.00EBN, VARIABLE, NE, NEAM MODERATE BREEZES, PM MODERATEAM CLOUDY, PM FINE0000000168508
1822-09-18T13:0031.87-16.75259.322.2PALMAS12W194S19W19.00-2072.00NE, VARIABLE, NEFRESH BREEZESAM FINE, PM HAZY0000000168509
1822-09-19T13:0029.48-18.18256.723.3PALMAS19E39S21W153.00-2074.00N, NE, EBN, NEAM MODERATE BREEZES, PM LIGHT BREEZESCLOUDY0000000168510
1822-09-20T13:0028.25-18.351152.624.4ST ANTONIOS30W785S20W77.00-2076.00SWBS, NE, SE, NE, EBS, SEAM LIGHT BREEZES, PM LIGHT WINDSAM CLOUDY, PM FINE0000000168511
1822-09-21T13:0026.53-19.4746.723.9ST ANTONIOS30W620S29W116.00-1975.00SSE, NNE, ENE, NE, NNEMODERATEFINE0000000168512
1822-09-22T13:0024.53-21.0549ST ANTONIOS28W524S32W138.00-19ESE, EBS, ENE, SSE, SE, ENEAM SQUALLY, PM STRONG BREEZES AND SQUALLYAM THUNDER AND LIGHTNINGRAIN0100100168513
1822-09-23T14:0022.45-22.55529.3ST ANTONIOS26W374S37W159.00-16SE, ENE, EBN, NEBE, ENEAM FRESH BREEZES, PM MODERATEFINE0000000168514
1822-09-24T14:0020.47-23.93406.7ST ANTONIOS20W226S32W142.00-16E, NEBE, ENE, NEBEMODERATE BREEZESAM CLOUDY, PM FINE0000000168515
1822-09-25T14:0018.52-25.32526.7ST ANTONIOS4W95S30W130.00-16ENE, NEBE, E, ENEMODERATE BREEZESCLOUDY0000000168516
1822-09-26T14:0016.12-25.67866.7EQUATOR LONG 23:30WS7:45E985S10W143.00-15E, EBS, EBSMODERATEAM CLOUDY, PM FINE0000000168517
1822-09-27T14:0014.17-25.70752.6EQUATOR LONG 23:30WS5E122.00-15EBS, E, ENE, EAM LIGHT WINDS, PM MODERATE BREEZESFINE0000000168518
1822-09-28T14:0012.25-24.653626.7EQUATOR LONG 23:30WSBE758S20W124.00-14E, VARIABLE, EBN, EBS, VARIABLEAM MODERATE, PM MODERATE BREEZES WITH SQUALLSAM HAZY, PM CLOUDY0000000168519
1822-09-29T14:0011.15-24.55651.0EQUATOR LONG 23:30WS5E660S16E68.00-14EBS, EBS1/2S, EBN, E, EBS, EBNAM LIGHT AIRS, PM LIGHT WINDSAM CLOUDY, PM FINE0000000168520
1822-09-30T14:009.43-24.32876.7EQUATOR LONG 23:30WS4:25E576S13E93.00-14E, EBS, SEBS, SSE, EBSAM MODERATE, PM MODERATE BREEZESAM FINE, PM CLOUDY0000000168521