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Handbook No. 1
See recent photos from NDBC weather buoy 42039 in the Gulf of Mexico.
Reports from the National Data Buoy Center's Stations During the Passage of Hurricane Ike
01 - 14 September 2008
|Station||Closest Point of Approach||Anemometer Height (m)||Highest Sustained Wind Speed (m/s)||Highest Gusts (m/s)|
|Bearing (degrees True)||Distance (nm)||Date-Time (UTC)||Report||Date-Time (UTC)||Averaging Period (minutes)||Report||Date-Time (UTC)||Averaging Period (seconds)|
|41041||012||270||9/02/2008 15:00||5||8.4||9/02/2008 14:10||10||11||9/02/2008 14:00||5|
|41043||341||102||9/06/2008 02:00||5||16.1||9/06/2008 07:05||1||19||9/06/2008 06:37||5|
|41046||188||164||9/07/2008 06:00||5||18.7||9/07/2008 13:00||1||22||9/07/2008 03:40||5|
|42056||028||194||9/09/2008 18:00||10||19.2||9/09/2008 19:30||1||23||9/02/2008 19:11||5|
|PLSF1||216||117||9/10/2008 00:00||17.7||26.3||9/09/2008 21:10||10||32.9||9/09/2008 21:38||5|
|42001||020||15||9/11/2008 22:00||10||30.5||9/12/2008 02:40||10||39||9/12/2008 02:41||5|
|42040||204||200||9/11/2008 23:00||5||17.5||9/11/2008 11:50||10||23||9/12/2008 02:50||5|
|42007||195||241||9/12/2008 00:00||5||15.0||9/11/2008 19:30||10||21||09/11/2008 14:50||5|
|42002||028||152||9/12/2008 18:00||5||22.3||09/12/2008 15:50||10||28||09/12/2008 16:27||5|
|42019||062||63||9/13/2008 00:00||5||22||9/13/2008 01:50||8||29||9/13/2008 01.27||5|
|42071||036||71||9/13/2008 01:00||4||21.2||9/13/2008 01:30||2||N/A||N/A||N/A|
|42070||041||82||9/13/2008 01:00||4||20.2||9/13/2008 00:50||2||N/A||N/A||N/A|
|PTAT2||071||148||9/13/2008 03:00||14.9||12.9||9/13/2008 23:40||10||14.9||9/13/2008 22:56||5|
|42035||259||16||9/13/2008 07:00||5||28||9/13/2008 08:50||8||38||9/13/2008 07:55||5|
|SRST2||253||44||9/13/2008 08:00||12.5||34||9/13/2008 05:20||10||44.3||9/13/2008 05:09||5|
|Station||Closest Point of Approach||Barometer Elevation (m)||Lowest Sea-Level Pressure (hPa)||Highest Significant Wave Height (m)|
|Bearing (degrees True)||Distance (nm)||Date-Time (UTC)||Report||Date-Time (UTC)||Averaging Period (minutes)||Report||Date-Time (UTC)||Wave System|
|41041||012||270||9/02/2008 15:00||0||1009.9||9/02/2008 19:50||8||2.4||9/04/2008 13:50||WPM|
|41043||341||102||9/06/2008 02:00||0||1009.9||9/06/2008 06:50||8||3.0||9/06/2008 09:50||WPM|
|41046||188||164||9/07/2008 06:00||0||1011.8||9/07/2008 08:50||8||6.5||9/07/2008 07:50||WPM|
|42056||028||194||9/09/2008 18:00||0||1004.0||9/09/2008 22:00||1||2.9||9/10/2008 14:50||WPM|
|PLSF1||216||117||9/10/2008 00:00||15.8||1001.1||9/09/2008 22:00||2||N/A||N/A|
|42001||020||15||9/11/2008 22:00||0||959.7||9/11/2008 20:50||8||9.2||9/11/2008 18:50||WPM|
|42040||204||200||9/11/2008 23:00||0||1006.0||9/11/2008 20:50||8||8.6||9/11/2008 14:50||DWA|
|42007||195||241||9/12/2008 00:00||0||1008.3||9/11/2008 20:50||8||5.0||9/11/2008 22:50||DWA|
|42002||028||152||9/12/2008 18:00||0||992.5||9/12/2008 12:50||8||6.0||9/12/2008 09:50||WPM|
|42019||062||63||9/13/2008 00:00||0||984.9||9/13/2008 01:50||8||6.3||9/13/2008 01:50||DWA|
|42071||036||71||9/13/2008 01:00||0||987.2||9/13/2008 00:00||2||N/A|
|42070||041||82||9/13/2008 01:00||0||989.5||9/13/2008 00:00||2||N/A|
|PTAT2||071||148||9/13/2008 03:00||6.4||997.5||9/13/2008 02:00||2||N/A|
|420352||259||16||9/13/2008 07:00||0||953.4||9/13/2008 06:50||8||7.1||9/13/2008 09:50||DWA|
|SRST2||253||44||9/13/2008 08:00||5.4||977.5||9/13/2008 06:00||2||N/A|
|Station||Anemometer Height (m)||Highest Sustained Wind Speed (m/s)||Highest Gusts (m/s)|
|Report||Date-Time (UTC)||Averaging Period (minutes)||Report||Date-Time (UTC)||Averaging Period (seconds)|
|SBIO1||21||25.7||9/14/2008 23:50||10||31.4||9/14/2008 23:42||5|
|LSCM4||14.4||20.1||9/14/2008 23:00||2||24.7||9/14/2008 22:54||5|
|45005||5||19.6||9/15/2008 00:20||10||24||9/15/2008 00:11||5|
|DBLN6||20.4||21.6||9/15/2008 02:50||2||27.8||9/15/2008 02:44||5|
|45012||5||22.7||9/15/2008 06:20||10||27||9/15/2008 06:08||5|
|SUPN6||11.6||19.6||9/15/2008 07:00||2||23.2||9/15/2008 07:00||5|
Figure 4: Path of 42035 as it drifted.
Figure 5: Wind and Pressure for Station PLSF1
Figure 6: Wind and Pressure for 42001 (42A01 is the backup system on 42001)
Figure 7: Wave Height at 42001
Figure 8: Wind and Pressure at 42040
Figure 9: Wave Height at 42040
Figure 10: Wind and Pressure at 42019
Figure 11: Data Plots for Temporary Station 42070. The negative values for the height of the wind and pressure measurements stem from the fact that most TAO measurements are oceanographic and thus in terms of depth (positive downwards). The pressure is uncorrected for 3-meter elevation (minus 3-meter depth).
Figure 12: Data Plots for Temporary Station 42071. The negative values for the height of the wind, pressure, and rainfall measurements stem from the fact that most TAO measurements are oceanographic and thus in terms of depth (positive downwards). The pressure is uncorrected for 3-meter elevation (minus 3-meter depth).
Figure 13: Wind and Pressure at 42020
Figure 14: Wind and Pressure at 42035
Figure 15: Wave Height for 42035
Figure 16: Wind and Pressure at SRST2
Figure 17: Wind and Pressure at Lake Ontario station SBIO1
For more information:
NOAA's National Data Buoy Center: http://www.ndbc.noaa.gov/
NDBC's Wave Measurements: http://www.ndbc.noaa.gov/wavemeas.pdf
For links to local National Weather Service Post-Storm Reports, see http://www.srh.noaa.gov/lch/ike/ikemain.php
For tidal information and meteorological measurements at tide stations, see the Quicklooks of the National Ocean Service's Center for Operational Oceanographic Products and Services: http://tidesandcurrents.noaa.gov/quicklook_archive.shtml?year=2008&storm=IKE
National Hurricane Center's Hurricane Ike Advisory Archive: http://www.nhc.noaa.gov/archive/2008/IKE.shtml?
National Weather Service's Hydrometeorological Prediction Center's Advisory Archive: http://www.hpc.ncep.noaa.gov/tropical/IKE/IKE_archive.shtml
In the report, Buoys have 5-digit station identifiers (e.g., 42001) while C-MAN stations have an alphanumeric station identifier (e.g., PLSF1).
Wind Speed: For stations in this report, wind speed is sampled at a rate of 1.0 Hz. For the Coastal-Marine Automated Network (C-MAN) station wind speeds are reported to NDBC in knots to a resolution of 0.1 knots. C-MAN wind speeds have been converted to meters per second (m/s) for this report, where 1 m/s = 1.94 knots. For the buoy stations wind speeds are reported to NDBC in meters per second to a resolution of 0.1 m/s. For the plot legends:
CWS: The average wind speed over a 10-minute period at the anemometer height. In this report, data are plotted at the time of the end of the valid 10-minute period.
MXGT1: The Peak 5-second gust during the past hour at the anemometer height. The time of MXGT1 is reported to the nearest minute, however, in this report data are plotted at the valid time of the hourly report.
WSPD1: The average wind speed for a period of 2 minutes for C-MAN stations and 8 minutes for buoy stations.
GUST1: The highest five-second average wind speed during the 2 or 8 minute sampling period.
Pressure: For stations in this report, pressure is sampled at a rate of 1.0 Hz and reported to a resolution of 0.1 hectoPascal (hPa). For the plot legends:
BARO1: Sea-level Pressure. Coastal-Marine Automated Network (C-MAN) stations average the pressure over 2 minutes. The buoy stations average the pressure over 8-minutes.
In addition 41041, 41043, 41046, 42056, and 42057 are equipped with Hurricane Supplemental Measurements:
MX1MGT1: Maximum 1-minute wind speed during the previous hour.
MN1MSLP1: Lowest 1-minute sea-level pressure during the past hour when the sea-level pressure is less than 1008 hPa.
Wave: Sampling rate and durations for the wave systems are given in the footnote above for Table 2.
WVHGT: The significant wave height that represents the average of the highest one-third of the waves during the wave sampling period and is computed from the zeroth spectral moment (m0) as 4 * v m0 .
DOMPD: The Dominant Period that represents the wave period (time from between consecutive passes of the wave crests) of the waves with the most energy.
Closest Point of Approach (CPA): Time, bearing (degrees True), and distance (Nautical Miles) from the station to Hurricane Ike at CPA are computed using the positions from the National Hurricane Center's advisories that have been interpolated to hourly values for positions, wind speed (intensity), and central pressure.