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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 SEVERN cruise from Martinique to Offshore Guyana started at 1801-02-11 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.752105, 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
Project(s):
Climatological Database for the Worlds Oceans: 1750-1854 (CLIWOC)
Funding:
Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00090: Climatological Database for the Worlds Oceans: 1750-1854
Coverage:
Median Latitude: 11.170612 * Median Longitude: -51.120816 * South-bound Latitude: 2.650000 * West-bound Longitude: -60.330000 * North-bound Latitude: 26.150000 * East-bound Longitude: -43.930000
Date/Time Start: 1801-02-11T16:00:00 * Date/Time End: 1801-03-31T15:00:00
Event(s):
Severn_18010211_NMM_ADM/L/S242 * Latitude Start: 14.690000 * Longitude Start: -60.570000 * Latitude End: 5.300000 * Longitude End: -51.530000 * Date/Time Start: 1801-02-11T00:00:00 * Date/Time End: 1801-03-31T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Severn (5th Rate Frigate), Voyage: Martinique - Offshore Guyana, 1st Observer: John Whitby (Captain), Company: Royal Navy, Other ship information: 44G 896BM
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 DATE/TIMEDate/TimeGeocode
2 LATITUDELatitudeGeocode
3 LONGITUDELongitudeGeocode
4 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.
5 Wind speedffm/scalculated from the descriptive terms of wind force given in the observations
6 LandmarkLandmarkName of first landmark
7 BearingBearingBearing of the first landmark
8 Distance to landmarkDistancearbitrary unitsDistance to the first landmark
9 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
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
934 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Date/Time		2 
Latitude		3 
Longitude		4 
dd [deg]
(Wind direction (from which th...)		5 
ff [m/s]
(calculated from the descripti...)		6 
Landmark
(Name of first landmark)		7 
Bearing
(Bearing of the first landmark)		8 
Distance [arbitrary units]
(Distance to the first landmark)		9 
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)
1801-02-11T16:0015.15-60.331039.3MARTINIQUES68W11N71E21.002EBSFRESH BREEZESHAZY0000000235184
1801-02-12T16:0016.27-59.83929.3DESEADAN86W22N33E73.002EFRESH BREEZESHAZY0000000235185
1801-02-13T16:0017.90-59.17102BARBUDAW49N21E105.001EBSMODERATE BREEZES, SQUALLYRAINHAZY0100000235186
1801-02-14T16:0019.95-58.10919.3BARBADOSS15W133N26E137.001EFRESH BREEZESCLOUDY0000000235187
1801-02-15T16:0021.62-56.771009.3BARBADOSS18W177N37E125.00-1EBSFRESH BREEZESCLEAR0000000235188
1801-02-16T16:0022.65-55.78986.7BARBADOSS22W203N41E83.00-3EBSMODERATE BREEZESCLOUDY0000000235189
1801-02-17T16:0023.33-54.48872.6BARBADOSS27W228N60E83.00-3ELIGHT BREEZESCLOUDY0000000235190
1801-02-18T16:0023.00-53.102226.7BARBADOSS32W232N75E79.00-3SWMODERATE BREEZESTHICKDRIZZLING RAIN0110000235191
1801-02-19T16:0023.72-54.93656.7BARBADOSS23W228N44E56.00-3ENEMODERATE BREEZESCLOUDY0000000235192
1801-02-20T16:0022.58-54.728719.0BARBADOSS26W210S10E69.00-3EFRESH GALESCLOUDY0000000235193
1801-02-21T16:0024.20-54.178712.3BARBADOSS25W240N17E102.00-3EFRESH GALES AND SQUALLY, STRONG BREEZESRAIN AT TIMESHEAVY SEA FROM ECLOUDY0100000235194
1801-02-22T16:0025.93-52.82989.3BARBADOSS27W286N35E127.00-3EBSFRESH BREEZES AND SQUALLY0000000235195
1801-02-23T15:0026.15-52.021199.3BARBADOSS29W296N83E101.00-5SEBEFRESH BREEZESCLOUDY0000000235196
1801-02-24T15:0025.97-50.581869.3BARBADOSS34W308S82E77.00-5SBWFRESH BREEZESTHICK0010000235197
1801-02-25T15:0023.72-49.033330.0BARBADOSS48W295S32E159.00-5NNWCALMCLOUDY0000000235198
1801-02-26T15:0021.07-47.33186.7BARBADOSS55W285S31E185.00-5NNEMODERATEHAZY0000000235199
1801-02-27T15:0018.52-44.75406.7BARBADOSS70W306S34E186.00-5NEMODERATEHAZY0000000235200
1801-02-28T15:0016.25-44.203626.7BARBADOSS79W304S13E139.00-3VARIABLEMODERATECLOUDY0000000235201
1801-03-01T15:0013.63-44.07202.6BARBADOSS88W302S3E157.00-3NNELIGHT WINDSCLEAR0000000235202
1801-03-02T15:0010.82-43.93216.7CAPE NORTHS34W216S2:30E170.00-2NNEMODERATEHAZY0000000235203
1801-03-03T15:008.32-44.403626.7CAPE NORTHS41W171S10W152.00-2VARIABLEMODERATEFINE0000000235204
1801-03-04T15:005.02-47.58369.3CAPE NORTHS36W80S10W203.002NEBNFRESH BREEZESCLOUDY0000000235205
1801-03-05T15:002.90-48.43479.3CAPE NORTHS54W38S2-W137.002NEFRESH BREEZESHAZY0000000235206
1801-03-06T15:002.80-50.53926.7CAPE NORTHS3E20S87W127.002EMODERATERAINCLOUDY0100000235207
1801-03-07T15:002.65-50.33709.3CAPE NORTHSBE3/4E17S41W12.002ENEFRESH BREEZESCLOUDY0000000235208
1801-03-08T15:004.62-50.25589.3CAPE ORANGES71W18N11W121.002NEBEFRESH BREEZESCLOUDY0000000235209
1801-03-09T15:004.77-50.42476.7CONSTABLESWNW1/4W92NEMODERATEHAZY0000000235210
1801-03-10T15:004.65-50.58476.7CAPE ORANGESBE62NEWNW2.5MODERATEHEAVY SWELL FROM NEHAZY0000000235211
1801-03-11T15:004.67-50.75479.3CAPE ORANGESW12ENE1/2E33.002NEFRESH BREEZESCLOUDY0000000235212
1801-03-12T15:004.25-50.07369.3CAPE ORANGEN86W21S32E48.002NEBNFRESH BREEZES AND SQUALLYHEAVY RAIN0100000235213
1801-03-13T15:004.45-50.32479.3CAPE ORANGES82W18N49W19.002NEFRESH BREEZESHAZY0000000235214
1801-03-14T15:004.77-50.70479.3CONSTABLESN80W20N49W30.002NEFRESH BREEZESSEA FROM NEHAZY0000000235215
1801-03-15T15:004.90-50.55369.3CONSTABLESN88W22N49E12.002NEBNFRESH BREEZESHAZY0000000235216
1801-03-16T15:004.97-51.02139.3CONSTABLESS87W13N82W28.002NBEFRESH BREEZESCLOUDY0000000235217
1801-03-17T15:004.75-50.95586.7CONSTABLESN76W15S16W14.002NEBEMODERATEHAZY0000000235218
1801-03-18T15:005.48-50.95586.7CONSTABLESS52W18N46.002NEBEMODERATEHAZY0000000235219
1801-03-19T15:005.20-50.38586.7CONSTABLESS78W26S63E38.002NEBEMODERATECLEAR0000000235220
1801-03-20T15:004.92-50.13476.7CONSTABLESW30S58E32.002NEMODERATEHAZY0000000235221
1801-03-21T15:005.07-50.57259.3CONSTABLESS83W20N71W28.002NNEFRESH BREEZESHAZY0000000235222
1801-03-22T15:004.67-50.423621.0CAPE ORANGES64W17S21E26.002VARIABLELIGHT AIRSCLOUDY0000000235223
1801-03-23T15:004.25-50.58479.3CAPE ORANGEN87W12S21W28.002NEFRESH BREEZESHAZY0000000235224
1801-03-24T15:004.03-50.58366.7CAPE ORANGEN68W13S13.002NEBNMODERATECLOUDY0000000235225
1801-03-25T15:003.85-50.17139.3CAPE ORANGEN67W22S59E29.002NBEFRESH BREEZESTHICK CLOUDY WEATHER0010000235226
1801-03-26T15:004.28-50.17259.3CAPE ORANGEW21N26.002NNEFRESH BREEZESHAZY0000000235227
1801-03-27T15:004.80-50.50259.3CONSTABLEN77W24N41W31.002NNEFRESH BREEZESCLEAR0000000235228
1801-03-28T15:005.07-50.4526.7CONSTABLES84W24N7E24.002NMODERATECLOUDY0000000235229
1801-03-29T15:004.80-50.83812.6CONSTABLEN81W17S50W25.002EBNLIGHT BREEZESCLOUDY0000000235230
1801-03-30T15:004.72-50.67476.7CONSTABLEN78E20S64E12.002NEMODERATEFINE0000000235231
1801-03-31T15:005.30-51.53259.3CONSTABLES19W8N56W63.002NNEFRESH BREEZESFINE0000000235232