Skip Navigation Links 
NOAA logo-Select to go to the NOAA homepage
National Oceanic and Atmospheric Administration's   
  Select to go to the NWS homepage
National Weather Service   
Local forecast by
"City, St"
NOAA is celebrating 200 years of science, service, and stewardship. Visit the NOAA 200th celebration Web site to learn more is the U.S. government's official web portal to all federal, state and local government web resources and services.

  Home > Glossary

Special Weather Statement

The Special Weather Statement (SPS) is designed to alert customers to a short term hazardous weather threat, occurring within 6 hours of product issuance, which may require a heightened level of awareness or action.

An SPS may be issued for strong thunderstorms that approach, or are expected to approach, severe convective criteria. General criteria for a "Near-Severe" thunderstorm are considered to be one or a combination of the following events:

  • Thunderstorm winds <= 57 mph

  • Hail < " diameter

  • Frequent to continuous lightning

  • Funnel clouds or cold air funnels 


You can either type in the word you are looking for in the box below or browse by letter


Browse by letter
#  A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  



    US Dept of Commerce
    National Oceanic and Atmospheric Administration
    National Weather Service
    1325 East West Highway
    Silver Spring, MD 20910
    Page Author: NWS Internet Services Team
Information Quality
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities
     Page last Modified: 21 April, 2005 9:10 AM