National Weather Service United States Department of Commerce

Flooding Continues in the Central U.S.; More Snow for the Northeast U.S.

From the Lower Mississippi into the Ohio Valley, widespread moderate to major river flooding will continue through midweek in response to last week’s extreme rainfall. Areas of standing inundation will be slow to recede. A fast-moving storm system crossing the Northeast U.S. through Tuesday will bring a few inches of snow and gusty winds making for hazardous travel conditions. Read More >

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NWR Arkansas Coverage

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NWR Coverage

 

 

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Coverage Map Notes

The coverage statistics and maps are calculated using a computer model and station data assuming ideal conditions. Coverage may be 5 to 10 percent below the computer predicted coverage for the following reasons:

  • The computer model is sensitive to antenna performance. Antenna performance is a function of local conditions, causing signals to be stronger signal level in some directions than others.
  • Placement of NWR antennas is dictated by the tower owner, which may result in a less than ideal set up.
  • The antenna may be affected by nearby structures or bodies of water.
  • In some special instances, the antenna may have been intentionally adjusted to be "directional" and provide better coverage to a specific area to the detriment of other areas.
  • Because of variations in local site conditions, the performance of an individual transmitter and antenna may be less than predicted or expected.
  • Seasonal environmental conditions, such as icing or heavy rain, affect performance of a transmitter station and its various components, particularly those subject to continuous weather exposure.
  • The coverage maps are shown in a single color format, which relates to an estimated signal level.
    • White: Signal level of greater than 18dBuV: Reliable coverage  
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