
Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >



For Moderate/High/Extreme hazard risk, more detailed information will be provided via emailed briefings to core partners.
RadarWSR-88D Doppler Radar Northeast Sector | LoopNationwide | Loop
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Storm Prediction Center Overview Graphic / MapRadar of the contiguous United States with Storm Prediction Center (SPC) products - Day 1. |
Convection OutlooksConvective outlook for organized severe thunderstorms over the contiguous United States. |
Current WatchesGraphic showing any severe thunderstorm and tornado watches which are in effect over the contiguous United States.
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Surface AnalysisThe Weather Prediction Center (WPC) produces surface maps which depicts the analysis of highs, lows, fronts, troughs, outflow boundaries, squall lines, and drylines. |
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Mesoscale DiscussionsDescribe what is currently happening, what is expected in the next few hours, the meteorological reasoning for the forecast, and when / where SPC plans to issue the watch. |
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Upper Air SoundingsSkew-T charts for all observed soundings across the United States. An archive of seven days of data is available. |
Storm ReportsThese reports are preliminary and are plotted and listed "as is" from NWS Local Storm Reports usually sent in realtime. |
Forecast ToolsIncluding upper air maps, upper air soundings, mesoanalysis graphics, Short-Range Ensemble Forecast (SREF), High-Resolution Ensemble Forecast System (HREF) and Compmap. |
Mesoscale AnalysisNine fixed regional sectors and a national sector provide hourly gridded mesoanalysis graphics across the CONUS. |
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Severe Climatology MapsSevere climatology maps for Eastern Maine, including tornados, damaging wind, and hail. |