no 2nd "X" today
Posted by
cypresstx on 9/19/2013, 6:56 am
after 72 hrs stationery? dissipates? absorbed by front?
The surface forecasts include the forecast sea level pressure field depicted by isobars contoured every four millibars (mb). Intermediate two millibar isobars are sometimes included in areas where the pressure gradient is relatively light. Relevant surface features are also shown, including areas of high and low pressure, frontal systems (cold, warm, stationary, and occluded), troughs, ridges, drylines, tropical waves, and tropical cyclones. The 72-hour forecast chart also includes a depiction of the 96-hour forecast positions of highs, lows, and tropical cyclones.
legend: http://www.nhc.noaa.gov/images/LEGENDbw.gif |
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