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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 AURORA cruise from Spithead to Gibraltar started at 1759-07-07 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.747556, 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: 46.562308 * Median Longitude: -9.544615 * South-bound Latitude: 40.400000 * West-bound Longitude: -11.010000 * North-bound Latitude: 49.720000 * East-bound Longitude: -7.150000
Date/Time Start: 1759-07-07T12:00:00 * Date/Time End: 1759-07-24T00:00:00
Event(s):
Aurora_17590707_NMM_ADM/L/A237 * Latitude Start: 50.680000 * Longitude Start: -0.960000 * Latitude End: 35.970000 * Longitude End: -5.550000 * Date/Time Start: 1759-07-07T00:00:00 * Date/Time End: 1759-07-24T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Aurora (5th Rate Frigate), Voyage: Spithead - Gibraltar, 1st Observer: Samuel Scott (Captain), Company: Royal Navy, Other ship information: 32G 679BM
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 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 CommentComment
26 IdentificationIDCLIWOC 2.1 line number
Size:
332 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 
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 
Comment
26 
ID
(CLIWOC 2.1 line number)
1759-07-07T12:0049.30-7.153622.6LANDS ENDNEBN22S43:10W66.00-19VARIABLELITTLE WINDSCLEAR0000000a trivial correction was made in this observation22747
1759-07-08T13:0049.40-8.4020615.4LANDS ENDW35:00N34N83:10W55.00-19SE, SW QTRMODERATE GALESCLEAR0000000a trivial correction was made in this observation22748
1759-07-09T13:0049.53-8.5812715.4LANDS ENDN72:52E27N49:46W68.00-19W, CALM, SSE, SEBSMODERATE GALESCLEAR000000022749
1759-07-10T13:0049.72-9.2620619.0LANDS ENDN76:32E33N75:10W29.00-19SSE, SE, SW QTRFIRST AND MIDDLE LITTLE WINDS, LATTER FRESH GALESFIRST AND MIDDLE CLEAR, LATTER CLOUDY000000022750
1759-07-11T13:0048.67-8.8112719.0LANDS ENDN53:50E44S10:00E64.00-19SW QTR, SEBSFRESH GALESHAZY000000022751
1759-07-12T13:0048.77-9.062062.6LANDS ENDN58:32E51N59:02W12.00-19SWFIRST PART FRESH GALES, MIDDLE MORE MODERATE, LATTER LITTLE WINDSFIRST PART CLOUDY, LATTER FAIR000000022752
1759-07-13T13:0048.33-9.51716.7LANDS ENDN54:36E61S34:09W32.00-19W, CALM, EMODERATECLEAR000000022753
1759-07-14T13:0046.27-10.0361LANDS ENDN37:46E99S10:52W133.00-18ENE, EBNFIRST PART MODERATE, MIDDLE FRESH GALESTHUNDER AND LIGHTNINGRAINCLOUDY010010022754
1759-07-15T13:0045.92-10.5319615.4LANDS ENDN36:46E102S35:45W19.00-18SE, SWBW, SWBSFIRST PART LITTLE WINDS, LATTER MODERATE GALESLIGHTNINGRAINFIRST AND LATTER HAZY, MIDDLE FOGGY011010022755
1759-07-16T13:0044.30-11.0129719.0LANDS ENDN31:48E137S14:46E101.00-18NWFRESH GALESFIRST PART HAZY, MIDDLE AND LATTER CLOUDY000000022756
1759-07-17T13:0043.00-10.812520.0CAPE FINNISTERES1/2E5S2:00E105.00-18SW, W, NW, W QTRFIRST AND MIDDLE MODERATE, LATTER CALMCLOUDY000000022757
1759-07-18T13:0041.70-10.5929819.0HIGH LAND OVER POINT DELIMAE1/2N10S39:23W28.00-17SW, NW QTRLITTLE WINDS IN FIRST AND MID, LATTER FRESH GALESFIRST AND MIDDLE CLEAR, LATTER FAIR000000022758
1759-07-19T13:0040.40-10.3433215.4CAPE FINISTEREN9:40E23-17NE QTR, NBWMODERATE GALESCLOUDY0000000a trivial correction was made in this observation22759
1759-07-20T00:0038.633386.7ROCK OF LISBONN39:23E33N, E, N, NNWFIRST PART MODERATE, MIDDLE FRESH GALES, LATTER MODERATEFIRST PART CLOUDY, LATTER HAZY000000022760
1759-07-21T00:0031519.0CAPE ST VINCENTNWBW31NWFRESH GALESHAZY000000022761
1759-07-22T00:00902.6CAPE ST MARYNNE11ELITTLE WINDFAIR000000022762
1759-07-23T00:00566.7HIGH LAND OVER CADIZEBN6NE, NEBEMODERATEFAIR000000022763
1759-07-24T00:003610.0CAPE TRAFLAGARESE4VARIABLE, CALMLITTLE WIND, THEN CALMCLEAR, THEN HAZY000000022764