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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 NISUS cruise from Simons Bay to Quiloa started at 1812-07-24 [dataset]. National Maritime Museum, Greenwich, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.750951, 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: -24.441471 * Median Longitude: 35.972941 * South-bound Latitude: -36.220000 * West-bound Longitude: 20.630000 * North-bound Latitude: -10.100000 * East-bound Longitude: 44.660000
Date/Time Start: 1812-07-24T11:00:00 * Date/Time End: 1812-08-30T09:00:00
Event(s):
Nisus_18120724_NMM_RUSI/NM/180/10 * Latitude Start: -33.380000 * Longitude Start: 17.270000 * Latitude End: -10.100000 * Longitude End: 40.280000 * Date/Time Start: 1812-07-24T00:00:00 * Date/Time End: 1812-08-30T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: Nisus (5th Rate Frigate), Voyage: Simons Bay - Quiloa, East Africa, 1st Observer: Philip Beaver (Captain), Company: Royal Navy, Other ship information: 38G 1071BM
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
Pressure, atmosphericPPPPhPaNo temperature correction was applied. The following factors have been used for the conversion to hPa: 2.54 cm in an inch; 13.596 specific gravity of mercury; 980.65 cm/s gravity at 45° latitude
Temperature, airTTT°C
LandmarkLandmarkName of first landmark
BearingBearingBearing of the first landmark
10 Distance to landmarkDistancearbitrary unitsDistance to the first landmark
11 CourseCourseCourse of the ship during the past 24 hours
12 DistanceDistancearbitrary unitsDistance travelled during the previous 24 hours
13 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.
14 Sensor readingReadingarbitrary unitsReading of the (outside) air thermometer
15 Sensor readingReadingarbitrary unitsReading of the air pressure
16 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.
17 Current direction descriptionCur dir descrDirection of the current. This direction points to where the current is flowing towards to.
18 Current speed descriptionV descr
19 Wind force descriptionWind force descrAll reported wind forces on this day
20 Present weatherwwWeather description
21 Precipitation descriptionPrecip descr
22 State of the sea descriptionState sea descr
23 ClearnessClearness
24 GustsGusts1 If wind gusts are reported
25 Precipitation/RainRain1 If rain was reported
26 FogFog1 If fog was reported
27 Snow typeSnow1 If snow was reported
28 ThunderThunder1 If thunder and or lightning was reported
29 HailHail1 If hail was reported
30 Sea iceSea ice1 If sea-ice or icebergs were reported
31 IdentificationIDCLIWOC 2.1 line number
Size:
850 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...)

PPPP [hPa]
(No temperature correction was...)

TTT [°C]

Landmark
(Name of first landmark)

Bearing
(Bearing of the first landmark)
10 
Distance [arbitrary units]
(Distance to the first landmark)
11 
Course
(Course of the ship during the...)
12 
Distance [arbitrary units]
(Distance travelled during the...)
13 
Decl [deg]
(It is generally accepted by t...)
14 
Reading [arbitrary units]
(Reading of the (outside) air ...)
15 
Reading [arbitrary units]
(Reading of the air pressure)
16 
Wind dir descr
(All reported wind directions ...)
17 
Cur dir descr
(Direction of the current. Thi...)
18 
V descr
19 
Wind force descr
(All reported wind forces on t...)
20 
ww
(Weather description)
21 
Precip descr
22 
State sea descr
23 
Clearness
24 
Gusts
(1 If wind gusts are reported)
25 
Rain
(1 If rain was reported)
26 
Fog
(1 If fog was reported)
27 
Snow
(1 If snow was reported)
28 
Thunder
(1 If thunder and or lightning...)
29 
Hail
(1 If hail was reported)
30 
Sea ice
(1 If sea-ice or icebergs were...)
31 
ID
(CLIWOC 2.1 line number)
1812-07-24T11:00-35.7520.632879.31016.018.1CAPE JACHESN42E120S53:30E142.00-2864.50300000.00W, WBS, NW, WBN, SWBS, SBEN82W24AM FRESH BREEZE, PM MODERATE BREEZES, LIGHT WINDSAM FINEPM CLOUDY0000000178258
1812-07-25T11:00-35.6022.08516.71016.319.4FOUL CAPE (RECIF)N64E179S89E71.00-2867.00300001.00SBE, NW, EBN, ENE, NNE, WNWN10AM LIGHT AIRS, CALM, LIGHT WINDS, MODERATE BREEZES, PM MODERATE BREEZES, LIGHT AIRSPM FINEPRODIGIOUS SWELLAM CLOUDY0000000178259
1812-07-26T10:00-36.2223.122646.71012.619.7FOUL CAPE (RECIF)N50E214S87E102.00-2967.50290900.00WNW, WBNS39W41AM LIGHT AIRS, MODERATE BREEZES, PM MODERATE BREEZESFINEVERY HEAVY SWELL0000000178260
1812-07-27T10:00-35.6526.022646.71014.620.3FOUL CAPE (RECIF)N11E106N85E162.00-2968.50290906.00WBN, NW, WNW, SSW, SWN52W24AM MODERATE BREEZES, PM MODERATE BREEZES, LIGHT WINDSAM FINE, PM FINEPM LIGHT RAINCONSIDERABLE SWELLPM CLOUDY0100000178261
1812-07-28T10:00-35.3028.551962.61018.719.2AUGUSTA SHOALN76E394N84E134.00-2966.50300008.00SW, VARIABLE, SWBS, SW, SWBW, WSW, SBWN53W13LIGHT WINDSAM FINEAM RAINMUCH SWELLAM CLOUDY, PM CLOUDY0100000178262
1812-07-29T10:00-35.1329.92271.01022.420.3AUGUSTA SHOALN75E318E85.00-2968.50300109.00SE, EBN, NE, NEBE, ENE, NEN60W20AM CALM, LIGHT AIRS, PM MODERATE BREEZES, FRESH BREEZESCLOUDY0000000178263
1812-07-30T10:00-35.1332.9259.31020.721.1AUGUSTA SHOALN63E187E153.00-2970.00300104.00NEBN, NNE, NEBN, NNEW6FRESH BREEZESAM CLOUDY, PM CLOUDY, CLEAR0000000178264
1812-07-31T10:00-34.6735.2759.31019.421.1AUGUSTA SHOALN41E74N76E132.00-2970.00300100.00NBE, NNE, NEBN, NE, NEBNS72W13AM FRESH BREEZES, PM FRESH BREEZES, MODERATE BREEZESPM FINECLEAR0000000178265
1812-08-01T10:00-34.5536.433422.61016.021.1AUGUSTA SHOALN9W50N82E64.00-2970.00300000.00NEBN, NNE, NBE, NNE, N, NNWW6AM LIGHT WINDS, PM LIGHT BREEZES, CALM, LIGHT WINDSAM FINEAM HAZY, PM HAZY, CLOUDY0000000178266
1812-08-02T10:00-33.7037.232199.31018.419.7CAPE ST MARYSN41E637N22E84.00-2967.50300007.00NNW, NWBW, WSW, SWBW, SW, WSWS18E29AM LIGHT WINDS, FRESH BREEZES, PM MODERATE BREEZES, LIGHT WINDSPM FINEAM CLOUDY, PM CLEAR0000000178267
1812-08-03T10:00-32.3236.801972.61022.820.0CAPE CORIENTESN5:45W499N3W103.00-2868.00300200.00WSW, EBS, SW, SWBS, SSW, SBE, SWS40W26AM LIGHT WINDS, PM LIGHT AIRSPM FINEAM CLEAR0000000178268
1812-08-04T10:00-31.0336.671861.01027.520.0CAPE CORIENTESN6:16W419N4E71.00-2868.00300304.00SW, WBN, SWBS, S, SSE, EBSN68W15AM LIGHT AIRS, PM LIGHT WINDSFINE0000000178269
1812-08-05T10:00-29.2536.03282.61027.820.6CAPE CORIENTESN2W314N8W111.00-2869.00300305.00EBS, E, EBN, NEBE, ENE, NEBES83W26AM LIGHT WINDS, PM MODERATE BREEZES, SQUALLYFINE0000000178270
1812-08-06T10:00-28.2835.10176.71022.821.7CAPE CORIENTESN9E258S31W80.00-2871.00300200.00NEBE, NEBN, NE, NEBN, NES34W12MODERATE BREEZES, PM SQUALLYAM CLEAR, PM CLOUDY0000000178271
1812-08-07T10:00-27.7735.4262.61021.422.5CAPE CORIENTESN6E225N45E50.00-2872.50300106.00NE, NBE, NEBN, NNE, NES74W19LIGHT WINDSPM FINEAM CLEAR0000000178272
1812-08-08T10:00-27.4235.50881.01025.821.7CAPE CORIENTESN5E204N8E40.00-2571.00300209.00NEBE, EBN, ESE, SEBE, SE, ESES5W19AM LIGHT AIRS, CALM, PM LIGHT WINDS, MODERATE BREEZESPM CLOUDY0000000178273
1812-08-09T10:00-25.0236.40991025.121.9CAPE CORIENTESN27W66N20E174.00-2571.50300207.00ESE, SEBE, SE, SEBES26W23AM MODERATE BREEZES, SQUALLY, PM MODERATE BREEZESCLOUDY0000000178274
1812-08-10T10:00-22.7336.271331023.423.3CAPE ST SEBASTIANN22W42N10E160.00-2574.00300202.00SEBE, SE, SSE, SEBSS59W40AM MODERATE BREEZES, SQUALLY, PM LIGHT WINDSFINEAM CLOUDY0000000178275
1812-08-11T10:00-21.4335.92332.61020.724.4N END OF BAGARUTO ISLANDSN38W13N3E94.00-2376.00300104.00SE, E, ENE, NEBE, NE, ENES59W29AM LIGHT WINDS, PM MODERATE BREEZESFINE0000000178276
1812-08-12T10:00-20.7836.23782.61020.724.2EUROPA ROCKSS79E213N39E48.00-2375.50300104.00ENE, E, EBS, EBNW13LIGHT WINDSFINEPM CLOUDY, CLEAR0000000178277
1812-08-13T10:00-20.4236.701019.31019.424.4EUROPA ROCKSS75E242N33E74.00-2376.00300100.00EBN, EBS, SEBE, ESES19W43AM LIGHT WINDS, FRESH BREEZES, PM MODERATE BREEZESFINE0000000178278
1812-08-14T10:00-19.5537.32902.61019.424.4ENGLISH BANKN58E210N34E87.00-2376.00300100.00SEBE, SE, ESE, SEBE, EBS, SES36W24AM LIGHT WINDS, PM MODERATE BREEZESFINE0000000178279
1812-08-15T09:00-19.1337.501146.71018.724.7ENGLISH BANKN63E191N52E84.00-2176.50300008.00SE, SEBS, SE, SEBE, SES65W61MODERATE BREEZESCLOUDY0000000178280
1812-08-16T09:00-19.0038.071486.71019.024.7ENGLISH BANKN61E161N69E85.00-2176.50300009.00SSE, SBE, SEBS, SBES65W52AM LIGHT BREEZES, MODERATE BREEZES, PM LIGHT WINDSFINE0000000178281
1812-08-17T09:00-17.7039.701036.71019.024.4ENGLISH BANKE48N57E138.00-2176.00300009.00SBE, SEBE, ESE, SEBS, SSEW23AM MODERATE BREEZES, PM LIGHT WINDSFINE0000000178282
1812-08-18T09:00-16.3540.981162.61019.424.4MOSAMBIQUEN80N40E88.00-1976.00300100.00SSE, SEBE, SE, SN50E22LIGHT WINDSFINE0000000178283
1812-08-19T09:00-15.1341.002066.71019.423.9EXTREMES OF LANDNBE1/4EN6W89.00-1975.00300100.00SSW, SWBS, SWBW, SWS50W24MODERATE BREEZESFINE0000000178284
1812-08-22T09:00-14.9241.172066.71036.322.8MAYOTAN63E67N77E29.00-1973.00300600.00WNW, WSW, SW, SSE, SEBE, ESEAM MODERATE BREEZES, PM LIGHT WINDSPM THICK, FINEPM RAINAM CLOUDY0100000178285
1812-08-23T09:00-14.0342.921522.61029.524.4JOHANNAN47E157N57E96.00-1776.00300400.00SEBE, SSE, SBE, SEBSW8LIGHT WINDSFINE0000000178286
1812-08-24T09:00-12.4244.221442.61016.025.0EXTREMES OF JOHANNASEBEN44E101.00-1477.00300000.00S, SEBS, SSE, SSW, S, EN56E43AM LIGHT WINDS, PM MODERATE BREEZES, CALMFINE0000000178287
1812-08-27T09:00-12.1744.663241.01016.026.7-1480.00300000.00NNW, NW, SSW, NBW, NNEAM LIGHT AIRS, PM LIGHT AIRS, LIGHT BAFFLING WINDS, LIGHT AIRSPM FINE0000000178288
1812-08-28T09:00-11.7344.071661.01016.025.3SADDLE ISLAND, JOHANNAS1/2W9-1477.50300000.00NBE, NW, SBE, S, SW, SSEAM LIGHT AIRS, CALM, LIGHT AIRS, PM LIGHT WINDSFINE0000000178289
1812-08-29T09:00-10.6341.981982.61032.925.6CAPE DELGADON70W66N67W103.00-1678.00300500.00SBE, SBW, SWBS, SSW, SSEAM LIGHT WINDS, PM MODERATE BREEZESFINE0000000178290
1812-08-30T09:00-10.1040.281086.71016.026.1QUILOAN18W89N65W76.00-1679.00300000.00SEBS, SW, SEBE, EBN, ESE, SEBEW35AM MODERATE BREEZES, PM LIGHT WINDSFINE0000000178291