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The outlooks issued are for Day 1, Day 2, and Days 3–8. The Day 1 product is issued at 4:00 a.m. Central Time and is updated at 1700Z, and is valid from 1200Z to 1200Z the following day. The Day 2 outlook is issued at 1000Z and is updated at 2000Z for the forecast period of 1200Z to 1200Z the following day.
The issuance of a High Risk at the initial 06Z Day 1 Outlook notably followed a Day 2 Outlook for the same period that did not contain a Moderate Risk area, as both Day 2 outlooks issued the day before included only an enhanced Slight Risk. This is the last time such an event has occurred as of 2024.
The Weather Prediction Center (WPC), located in College Park, Maryland, is one of nine service centers under the umbrella of the National Centers for Environmental Prediction (NCEP), a part of the National Weather Service (NWS), which in turn is part of the National Oceanic and Atmospheric Administration (NOAA) of the U.S. Government.
Since 1993, NOAA's administrative headquarters has been located at the Silver Spring Metro Center office complex in downtown Silver Spring, Maryland. [18] [19] The consolidated 1.2 million sq ft (110,000 m 2), four-building campus was constructed in 1993 and is home to over 40 NOAA sub-agencies and offices, including the National Weather Service.
NOAA Weather Radio All Hazards (NWR), promoted as "The Voice of the National Weather Service", is a special radio system that transmits uninterrupted weather watches, warnings and forecasts 24 hours a day directly from a nearby NWS office, with the broadcasts covering across 95–97% of the United States' population.
The office schedules a required weekly test of the Specific Area Message Encoding system for public alert dissemination on all thirteen NOAA Weather Radio transmitters in the region each Wednesday between 10:00 a.m. and 12:00 p.m. and between 6:00 p.m. and 8:00 p.m. (all times Central); exceptions exist if there is a threat of severe weather ...
Early in the day, thunderstorms were already causing trouble for travelers. ... NOAA’s Storm Prediction Center (SPC) has placed nearly 18 million people in the mid-Atlantic under a Level 1 out ...
www.ncep.noaa.gov Not to be confused with National Centers for Environmental Information . The United States National Centers for Environmental Prediction ( NCEP ) delivers national and global weather, water, climate and space weather guidance, forecasts , warnings and analyses to its Partners and External User Communities.