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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 FLORIDA cruise from Porto Praya to Port Egmont started at 1769-12-07 [dataset]. Public Record Office, Kew, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.749323, 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: -22.289464 * Median Longitude: -38.602679 * South-bound Latitude: -51.220000 * West-bound Longitude: -59.920000 * North-bound Latitude: 12.830000 * East-bound Longitude: -19.020000
Date/Time Start: 1769-12-07T13:00:00 * Date/Time End: 1770-01-31T16:00:00
Event(s):
Florida_17691207_PRO_ADM_51/3838 * Latitude Start: 14.860000 * Longitude Start: -23.500000 * Latitude End: -51.350000 * Longitude End: 60.000000 * Date/Time Start: 1769-12-07T00:00:00 * Date/Time End: 1770-01-31T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Florida (Storeship), Voyage: Porto Praya - Port Egmont, Falkland Islands, 1st Observer: George Teer (Captain), Company: Royal Navy
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 CommentComment
27 IdentificationIDCLIWOC 2.1 line number
Size:
1066 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 
Comment
27 
ID
(CLIWOC 2.1 line number)
1769-12-07T13:0012.83-22.325719.0PORTO PRAYANNW1/4W148SSE1/4E148.00-11ENEMODERATE, AT 5 FRESH GALESFAIR WEATHER, AT 5 CLOUDY000000096072
1769-12-08T13:0010.77-21.194619.0PORTO PRAYANNW1/4W96SSE1/4E142.00-10NEBEFRESH GALESCLOUDY WEATHER000000096073
1769-12-09T13:008.67-20.044619.0PORTO PRAYANNW1/4W144SSE1/4E145.00-10NEBEFRESH GALESCLOUDY WEATHER000000096074
1769-12-10T13:007.10-19.2592PORTO PRAYAN28W179S27E105.00-9NEBE-EBSPM FRESH GALESPM CLOUDY WEATHER, AM FAIR WEATHER000000096075
1769-12-11T13:006.47-19.19812.6PORTO PRAYAN28W192S1/2E38.00-9ELIGHT BREEZESFAIR WEATHER000000096076
1769-12-12T13:005.67-19.02361.0PORTO PRAYAN27W204SBE48.00-9EBN, CALM, NELIGHT AIRSFAIR WEATHER000000096077
1769-12-13T13:005.30-19.02351PORTO PRAYAN26W211S22.00-9E, WNW, NAM SQUALLYAM THUNDERAM RAINPM HAZY010010096078
1769-12-14T13:005.05-19.15104PORTO PRAYAN24W218S29W17.00-9CALM, S, ESEAM SQUALLYAM THUNDERAM RAINPM HAZY010010096079
1769-12-15T13:004.20-19.841269.3PORTO PRAYAN19W230S39W65.00-9SSE, SELIGHT BREEZES, AM FRESH BREEZESCLOUDY WEATHER, AM CLEAR000000096080
1769-12-16T13:002.93-20.84126PORTO PRAYAN13W246S38W97.00-9SEBS, SEPM MODERATE, AM SQUALLYAM RAIN AT TIMESPM CLOUDY WEATHER010000096081
1769-12-17T13:002.67-21.8512619.0PORTO PRAYAN8W248S75W64.00-9CALM, S, SEAM FRESH GALESPM RAINPM HAZY, AM CLOUDY010000096082
1769-12-18T13:001.97-22.37712.6PORTO PRAYAN6W265S37W53.00-8SSE, SE, EBNLIGHT BREEZES000000096083
1769-12-19T14:000.97-24.101196.7PORTO PRAYAN3E282S29W69.00-5NE, SEBEPM LIGHT BREEZES, AM MODERATEPM RAINAM FAIR010000096084
1769-12-20T14:000.83-24.191196.7PORTO PRAYAN3E317SSW1/2W122.00-5SE, SEBEMODERATEFAIR WEATHER000000096085
1769-12-21T14:00-2.50-25.66141PORTO PRAYAN5E351S35W123.00-5SE, SEBSPM MODERATEPM FAIR000000096086
1769-12-22T14:00-4.33-27.3013019.0PORTO PRAYAN8E390S36W135.00-5SEFRESH GALESFAIR000000096087
1769-12-23T14:00-6.25-28.8813319.0PORTO PRAYAN11E430SWBS139.00-2SEFRESH GALESFAIR000000096088
1769-12-24T14:00-8.23-30.371346.7PORTO PRAYAN13E480S31W138.00-1SEMODERATEFAIR000000096089
1769-12-25T14:00-10.20-31.541126.7PORTO PRAYAN14E520S24W129.00-1ESEMODERATEFAIR000000096090
1769-12-26T14:00-11.70-32.461126.7PORTO PRAYAN14E552SSW97.00-1ESEMODERATEFAIR000000096091
1769-12-27T14:00-13.50-33.511152.6PORTO PRAYAN15E590SSW116.002ESELIGHT BREEZESFAIR000000096092
1769-12-28T14:00-14.78-34.35252.6PORTO PRAYAN15E620SSW83.002NE, NNELIGHT BREEZESFAIR000000096093
1769-12-29T14:00-16.68-35.45252.6PORTO PRAYAN15E661SSW123.002NNELIGHT BREEZESFAIR000000096094
1769-12-30T14:00-18.68-36.72139PORTO PRAYAN16E700S25W134.004NW, SW, SEPM MODERATE, AM SQUALLYAM RAINPM CLOUDY010000096095
1769-12-31T15:00-19.22-37.891526.7PORTO PRAYAN17E716S57W59.006SSE, SEBSFRESH GALES, AM MORE MODERATERAINHAZY010000096096
1770-01-01T15:00-20.25-39.201416.7PORTO PRAYAN17E740S38W81.006SEPM FRESH GALES, AM MODERATERAINAM CLOUDY010000096097
1770-01-02T15:00-20.37-39.501416.7PORTO PRAYAN17E742S6.006SSE, SEMODERATECLOUDY WEATHER000000096098
1770-01-03T15:00-21.42-40.12519.3PORT ESPIRITON17E33S5W54.006NEPM LIGHT AIRS, AM FRESH BREEZESPM CLOUDY000000096099
1770-01-04T15:00-23.43-40.15306.7PORT ESPIRITON1W77S17W153.007NNEMODERATE BREEZESCLOUDY WEATHER000000096100
1770-01-05T15:00-26.00-41.6579.3PORT ESPIRITON12E132SSW1/2W174.007NNE, NFRESH BREEZESCLOUDY000000096101
1770-01-06T15:00-27.50-42.2818919.0PORT ESPIRITON15E145SW48.009NW, SSE, SAM FRESH GALESAM CLEAR, PM HAZY000000096102
1770-01-07T15:00-28.50-43.7812419.0PORT ESPIRITON21E182S42W121.0011ESEFRESH GALESCLOUDY000000096103
1770-01-08T15:00-30.45-45.12796.7PORT ESPIRITON23E226S31W138.0011ENEMODERATE BREEZESFAIR WEATHER000000096104
1770-01-09T15:00-32.07-45.92346.7PORT ESPIRITONNE261SSW108.0011NNEMODERATE BREEZESFAIR WEATHER000000096105
1770-01-10T15:00-32.67-46.221022.6PORT ESPIRITONNE274SSW40.0012ESE, ELIGHT BREEZESFAIR WEATHER000000096106
1770-01-11T15:00-34.00-46.8812.6PORT ESPIRITONNE303SSW87.0012ENE, NBWLIGHT BREEZESFAIR WEATHER0000000a trivial correction was made in this observation96107
1770-01-12T15:00-35.67-47.5836.7PORT ESPIRITONNE339SSW100.0014NBWMODERATE BREEZESFAIR WEATHER000000096108
1770-01-13T15:00-36.50-48.18372.6PORT ESPIRITONNE357S24W55.0014ENE, NNELIGHT WINDSFAIR WEATHER000000096109
1770-01-14T15:00-38.07-48.52185PORT ESPIRITONNE389S10W96.0016NW, SBEFRESH WITH SQUALLSCLOUDY000000096110
1770-01-15T15:00-38.93-49.083096.7PORT ESPIRITONNE409S40W42.0016SBE, CALM, WNWPM FRESH, AM MODERATEPM CLEAR, AM FAIR000000096111
1770-01-16T15:00-40.20-49.95309PORT ESPIRITONNE442SSW104.0016WNWPM LIGHT BREEZES AM FRESHPM CLEAR, AM CLOUDY000000096112
1770-01-17T15:00-41.67-49.8321919.0PORT ESPIRITONNE468S88.0016NW, SSWPM MODERATE BREEZES, AM A FRESH GALE AND SQUALLYPM HAZY,000000096113
1770-01-18T15:00-42.40-48.642646.7PORT ESPIRITON19E470S47E65.0016SSW, WSWPM STRONG GALES AND SQUALLY, AM MODERATE BREEZESAM CLOUDY000000096114
1770-01-19T15:00-44.20-49.572876.7PORT ESPIRITON20E508S23W118.0017NW, WPM FRESH GALES, AM MODERATEPM CLOUDY000000096115
1770-01-20T15:00-44.50-51.601976.7PORT ESPIRITON23E525WBS95.0017SEBS, SPM A FRESH GALE, AM MODERATEPM THUNDER AND LIGHTNINGAM CLEAR000010096116
1770-01-21T15:00-45.17-51.4828719.0PORT ESPIRITON22E538S40.0017SW, WFRESH GALESCLOUDY000000096117
1770-01-22T15:00-45.88-52.0625319.0PORT ESPIRITONNE555S35W53.0017SSW, SWBWFRESH GALESCLEAR WEATHER000000096118
1770-01-23T15:00-47.38-52.44231PORT ESPIRITON22E585S13W93.0017W, WSW, SWBSFRESH GALE, AM SQUALLYPM CLOUDY000000096119
1770-01-24T15:00-48.28-52.3224422.6PORT ESPIRITON22E603S54.0019SWSTRONG GALES AND SQUALLYA GREAT SEA000000096120
1770-01-25T15:00-49.42-51.702446.7PORT ESPIRITON20E625S17E71.0019SWBW, SWPM STRONG GALES, AM MODERATE BREEZESPM CLOUDY000000096121
1770-01-26T16:00-49.92-52.513026.7PORT ESPIRITON22E638S50W47.0021CALM, WBNPM LIGHT BREEZES, AM MODERATE BREEZESPM FAIR000000096122
1770-01-27T16:00-51.17-55.0930219.0PORT ESPIRITON23E680S54W128.0021NW, WBNPM MODERATE BREEZES, AM A FRESH GALEAM RAINPM CLOUDY010000096123
1770-01-28T16:00-50.33-56.9421219.0PORT ESPIRITON25E680N50W90.0021SBWFRESH GALES WITH HARD SQUALLSCLOUDY000000096124
1770-01-29T16:00-49.87-58.022356.7PORT ESPIRITON28E675N50W54.0021SWBW, WBN, SWBSPM FRESH GALE, AM MODERATEAM CLEAR000000096125
1770-01-30T16:00-50.13-59.003026.7PORT ESPIRITON29E691S69W45.0021SW, W, WBNMODERATE BREEZESCLEAR000000096126
1770-01-31T16:00-51.22-59.923596.7ENTRANCE OF PORT EGMONTSE1121NW, WNW, NNWMODERATE BREEZESCLOUDY HAZY FOR THE MOST PART000000096127