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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 MEDIATOR cruise from Spithead to Antigua started at 1783-10-21 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.750659, 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: 30.815946 * Median Longitude: -23.157027 * South-bound Latitude: 17.070000 * West-bound Longitude: -59.330000 * North-bound Latitude: 49.700000 * East-bound Longitude: -4.920000
Date/Time Start: 1783-10-21T12:00:00 * Date/Time End: 1783-12-02T16:00:00
Event(s):
Mediator_17831021_NMM_ADM/L/M14 * Latitude Start: 50.680000 * Longitude Start: -0.960000 * Latitude End: 17.000000 * Longitude End: -60.500000 * Date/Time Start: 1783-10-21T00:00:00 * Date/Time End: 1783-12-02T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Mediator (5th Rate Frigate), Voyage: Spithead - Antigua, 1st Observer: Cuthbert Collingwood (Captain), Company: Royal Navy, Other ship information: 44G 879BM
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 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
15 Current speed descriptionV descr
16 Wind force descriptionWind force descrAll reported wind forces on this day
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 IdentificationIDCLIWOC 2.1 line number
Size:
737 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 
Cur dir descr
(Direction of the current. Thi...)
15 
V descr
16 
Wind force descr
(All reported wind forces on t...)
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 
ID
(CLIWOC 2.1 line number)
1783-10-21T12:0049.70-4.921806.7DUNNOSEN69E511S69W152.00-23SBE, S, SSWLIGHT AIRS, LATTER MODERATECLEAR, LATTER CLOUDY0000000163802
1783-10-22T12:0049.53-6.052479.3LIZARDN52E13S80W45.00-23S, VARIABLE, WFIRST MODERATE, MIDDLE LIGHT BREEZES, LATTER FRESH BRREZESCLOUDY0000000163803
1783-10-23T12:0048.82-6.502811.0LIZARDN37E27S18W53.00-23WSW, WNW, NWBWFIRST FRESH GALES, MID FRESH BREEZES, LATTER LIGHT AIRSFIRST HAZY, MID AND LATTER CLOUDY0000000163804
1783-10-24T12:0048.70-7.222702.6LIZARDNE55W28.00-23WBS, WSW, WNWFIRST MODERATE, MID FRESH GALES, LATTER LIGHT BREEZESFIRST FAIR, MID AND LATTER CLOUDY0000000163805
1783-10-25T13:0047.92-7.953610.0LIZARDN40E53S32W55.00-23NWBW, NBW, CALMFIRST FRESH BREEZES, MID LIGHT AIRS, LATTER CALMFIRST CLOUDY, MID CLEAR0000000163806
1783-10-26T13:0046.17-10.47236.7CAPE FINISTERES14E62S45W147.00-22NNW, NEBN, NEFIRST AND LATTER MODERATE, MID FRESH GALES AND SQUALLYFAIR0000000163807
1783-10-27T13:0044.90-10.471586.7CAPE FINISTERES25E27S76.00-22SW, SSW, SFIRST LIGHT BREEZES, MID LIGHT AIRS INCLINABLE TO CALM, LATTER MODERATEFIRST CLEAR, LATTER CLOUDY0000000163808
1783-10-28T13:0042.23-12.272519.0CAPE FINISTEREN63E46S26W178.00-20W, NEBN, NEFIRST MODERATE, MID AND LATTER FRESH GALESFIRST FAIR, MID AND LATTER CLOUDY0000000163809
1783-10-29T13:0039.48-13.32489.3CAPE FINISTEREN38E95S16W172.00-20NE, ENEFRESH BREEZESCLOUDY0000000163810
1783-10-30T13:0036.57-13.30719.3CAPE ST VINCENTN83E73S176.00-19NE, EFRESH BREEZESCLOUDY0000000163811
1783-10-31T13:0034.95-13.15266.7CAPE ST VINCENTN61E82S5E97.00-19E, SE, NEFIRST AND LATTER MODERATE, MID LIGHT BREEZESRAINCLOUDY0100000163812
1783-11-01T13:0032.37-13.1823119.0PORTO SANCTON86W48S121.00-17NW, W, SWBW, WSWFIRST FRESH GALES, LATTER WITH SQUALLSCLEAR0000000163813
1783-11-02T13:0033.95-13.0021722.6PORTO SANCTOS84W52N21E28.00-19WSW, WNW, WBS, SWBWFIRST FRESH GALES AND SQUALLY, MID AND LATTER STRONG GALES WITH HEAVY SQUALLSRAIN0100000163814
1783-11-03T13:0033.65-12.453526.7PORTO SANCTOS79W61N59E33.00-19WBN, SW, W, NBEFIRST FRESH GALES AND SQUALLY, MID AND LATTER MODERATECLOUDY0000000163815
1783-11-04T13:0032.97-12.752406.7PORTO SANCTON87W56S20W44.00-19NWBN, NWBW, W, WBSFIRST AND LATTER MODERATE, MID SQUALLYCLOUDY0000000163816
1783-11-05T13:0032.75-13.23319PORTO SANCTON81W47S61W29.00-19W, NW, NNWFIRST FRESH BREEZES, LATTER HEAVY SQUALLSRAINHAZY0100000163817
1783-11-06T13:0033.08-13.602519.3PORTO SANCTOW40N45W28.00-19NBW, NW, WBN, WFRESH BREEZESCLOUDY0000000163818
1783-11-07T13:0032.75-14.672626.7PORTO SANCTON74W25S72W57.00-19W, NNW, NBE, WBNMODERATECLOUDY0000000163819
1783-11-08T13:0032.42-15.452986.7PORTO SANCTON39W17S64W46.00-17NBE, N, CALM, NWSSW1/2 KNOTMODERATEFAIR0000000163820
1783-11-09T13:0032.62-16.283199.3PORTO SANCTON16E10N74W44.00-19W, WSW, NWBN, NNWFIRST MODERATE, MID AND LATTER FRESH BREEZESFIRST FAIR, MID AND LATTER CLOUDY0000000163821
1783-11-10T00:0032.403156.7MADEIRANW8NNW, W, NWFIRST FRESH GALES, MID AND LATTER MODERATECLOUDY0000000163822
1783-11-15T00:0031.901351.0MADEIRANBE1/4E- NEVARIABLE, SELIGHT AIRSCLEAR0000000163823
1783-11-16T13:0030.20-18.401192.6MADEIRAN26E52S26W155.00-16SEBS, SELIGHT BREEZESCLEAR0000000163824
1783-11-17T13:0028.27-19.32742.6FERROS73E32S25W128.00-16ESE, ELIGHT BREEZESFIRST FAIR, LATTER CLOUDY0000000163825
1783-11-18T13:0026.17-21.121202.6FERRON63E72S39W156.00-15SEBE, ENE, SELIGHT BREEZESFAIR0000000163826
1783-11-19T14:0024.45-23.601226.7FERRON58E126S51W174.00-13SEMODERATEFAIR0000000163827
1783-11-20T14:0023.07-26.93886.7ANTIGUAS80W665S65W206.00-13EBSMODERATEFAIR0000000163828
1783-11-21T14:0021.80-29.95709.3ANTIGUAS81.5W606S66W183.00-9EBNFRESH BREEZESCLOUDY0000000163829
1783-11-22T14:0020.93-32.271046.7ANTIGUAS82.5W563S68W130.00-9ESEMODERATE BREEZESHAZY0000000163830
1783-11-23T14:0020.25-33.981066.7ANTIGUAS83W526S69W110.00-7ESEMODERATECLOUDY0000000163831
1783-11-24T14:0019.47-34.85946.7ANTIGUAS84.5W494S70W112.00-7EBN, EBSMODERATEFAIR0000000163832
1783-11-25T15:0018.87-38.18856.7ANTIGUAS85W450S71W140.00-5EMODERATEFAIR0000000163833
1783-11-26T15:0018.18-40.50966.7ANTIGUAS88.5W404S73W137.00-5EBSMODERATECLOUDY0000000163834
1783-11-27T15:0017.43-43.351129.3ANTIGUAS89.5W347S74W170.00-1ESEFRESH BREEZESCLOUDY0000000163835
1783-11-28T15:0017.07-46.35446.7DESEADAS87W270S83W174.00-1E, NEMODERATECLOUDY0000000163836
1783-11-29T15:0017.10-49.35799.3DESEADAS86W217W190.000EBNFIRST MODERATE, MID AND LATTER FRESH BREEZESFIRST FAIR, MID AND LATTER CLOUDY0000000163837
1783-11-30T16:0017.18-52.8381DESEADAS84.5W149N89W210.002EBNFIRST FRESH BREEZES, LATTER SQUALLYRAINFAIR0100000163838
1783-12-01T16:0017.15-56.279219.0DESEADAS83W83W193.002EFRESH GALES AND SQUALLY0000000163839
1783-12-02T16:0017.07-59.33936.7DESEADAS71W25S88W176.003EMODERATECLOUDY0000000163840