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10: Tornado outbreak of April 6–8, 2006 – Only known high risk to include a 60% tornado contour, the highest level issued by the SPC. It was also the first of only two known occurrences (the other being April 14, 2012) in which a Day 2 high risk outlook was issued, and the High Risk persisted for the entire Day 1 Outlook cycle.
Map of regions covered by the 122 Weather Forecast Offices. The National Weather Service operates 122 weather forecast offices in six regions. Each weather forecast office (WFO or NWSFO) has a geographic area of responsibility, also known as a county warning area, for issuing local public, marine, aviation, fire, and hydrology forecasts.
The Storm Prediction Center issues convective outlooks (AC), consisting of categorical and probabilistic forecasts describing the general threat of severe convective storms over the contiguous United States for the next six to 192 hours (Day 1 through Day 8). These outlooks are labeled and issued by day, and are issued up to five times per day.
There's a 20% chance of showers on Thursday night after 2 a.m., according to the seven-day forecast. It'll be mostly cloudy with a low near 65 and south winds around 6 mph.
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 Climate Prediction Center, an arm of the National Oceanic and Atmospheric Administration, gives most of western Idaho a 33-40% chance of above-average rainfall within the next 6-10 days. The ...
The National Weather Service bulletin for the New Orleans region of 10:11 a.m., August 28, 2005, was a particularly dire warning issued by the local Weather Forecast Office in Slidell, Louisiana, warning of the devastation that Hurricane Katrina could wreak upon the Gulf Coast of the United States, and the torrent of pain, misery and suffering that would follow once the storm left the area.
There's at least a 20% chance of thunderstorms each day from Tuesday through Sunday, according to the weather service's forecast. Some of the storms could be severe, but none are expected to cause ...