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Surface Data/Soundings

WPC/NCEP Current Surface Analysis Maps... usually available about 1.5 to 2 hours after valid time

U.S. 06Z (color/bg) | Northeast U.S. 06Z
U.S. 09Z (color/bg) | Northeast U.S. 09Z
U.S. 12Z (color/bg) | Northeast U.S. 12Z
U.S. 15Z (color/bg) | Northeast U.S. 15Z
U.S. 18Z (color/bg) | Northeast U.S. 18Z
U.S. 21Z (color/bg) | Northeast U.S. 21Z
U.S. 00Z (color/bg) | Northeast U.S. 00Z
U.S. 03Z (color/bg) | Northeast U.S. 03Z


WPC/NCEP Latest Forecast Surface Maps

U.S. 6-hour (00 or 12Z)
U.S. 12-hour (06 or 18Z)
U.S. 18-hour (00 or 12Z)
U.S. 24-hour (06 or 18Z)
U.S. 30-hour (00 or 12Z)
U.S. 42-hour (00 or 12Z)
U.S. 54-hour (00 or 12Z) 		U.S. 3 day (12Z)
U.S. 4 day (12Z)
U.S. 5 day (12Z)
U.S. 6 day (12Z)
U.S. 7 day (12Z)



Current (hourly) Surface Plots/Contours

  • Regional Observations
  • Pennsylvania Observations
  • Temperature
  • Temperature Advection
  • Dew Point
  • Relative Humidity
  • Wet Bulb
    		•
  • 24-hour Temperature Change
  • Sea-Level Pressure
  • 2-hour SLP Change
  • 3-hour SLP Change
  • Streamline Analysis
  • SB CAPE*
  • SB Lifted Index (LI)*
    		•
  • 300mb Wind Streamlines *
  • Moisture Convergence
  • Storm Relative Helicity*
  • Theta-E
  • Total Totals Index (TTI)*
  • K Index (KI)*
  • Precipitable Water*
    • * Seven images with asterisk are produced for 12Z and 00Z only.

    Interactive "Mesonet" Map -- Click Here!

    Regional Soundings

    Detroit, MI, Sounding/SkewT / (text)
    Wilmington, OH, Sounding/SkewT / (text)
    Pittsburgh Sounding/SkewT / (text)
    Buffalo Sounding/SkewT / (text)
    Albany Sounding/SkewT / (text)
    Washington DC Sounding/SkewT / (text)
    Wallops Island, MD, Sounding/SkewT / (text)
    Long Island (Brookhaven), NY, Sounding/SkewT / (text)
    Chatham, MA, Sounding/SkewT / (text)
    An alternative site is also available for observed graphic and text soundings.

    Computer Model forecast soundings can also be obtained in graphic and text format.

    Regional Flash Flood Guidance (per MARFC)

    1 hour Flash Flood Guidance
    3 hour Flash Flood Guidance
    6 hour Flash Flood Guidance
    12 hour Flash Flood Guidance
    24 hour Flash Flood Guidance


    Images courtesy of Unisys Weather, MARFC, WPC, and PSU Meteorology Department / PSU College of Earth & Mineral Sciences.
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    Email: BowEcho@ptd.net