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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 Humberto
12-13 September 2007
This report provides a summary of wind speed, sea-level pressure and wave parameters reported from National Data Buoy Center (NDBC) stations in the vicinity of Hurricane Humberto's track.
Figure 1: NDBC stations within 300 nm of Humberto's track. Note: Only 42019, 42035 and SRST2 were significantly influenced by Humberto.
Wind Speed: Wind speeds are reported 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.
Pressure: 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.
Wave: The wave sampling period for all stations in this report is 20 minutes.
WVHGT: The significant wave height that represents the average of the highest one-third of the waves during the wave sampling period.
DOMPD: The Dominant Period that represents the wave period (time 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 Humberto at CPA are computed using the positions from the National Hurricane Center's advisories that have been interpolated to hourly values for positions.
Figure 2: Station 42019, Winds (Anemometer height 5m) and Sea-Level Pressure.
Figure 3: Station 42019: Significant Wave Height and Dominant Period.
Link to Station Page: http://www.ndbc.noaa.gov/station_page.php?station=42019
Figure 4: Station 42035, Winds (Anemometer height 5m) and Sea-Level Pressure.
Figure 5: Station 42035: Significant Wave Height and Dominant Period.
Link to Station Page: http://www.ndbc.noaa.gov/station_page.php?station=42035
Figure 6: Station SRST2, Winds (Anemometer height 5m) and Sea-Level Pressure.
Link to Station Page: http://www.ndbc.noaa.gov/station_page.php?station=SRST2