National Weather Service United States Department of Commerce

Rain in the Southeast and Northwest; Lingering Snow in the Great Lakes

A Pacific weather system will bring rain to the Pacific Northwest; and a developing Gulf System will bring rain, locally heavy, to the Southeast. Some rain could be heavy enough for flash flooding in the Southeast. A weather system will keep conditions snowy in the Great Lakes. Temperatures slowly moderate the next few days across the Eastern half of the U.S, but will remain much below normal. Read More >

Thunderstorm Briefing Page


Please note that this general weather briefing slide above is intended only to assist in determining the appropriate web page link to get additional information.  For high-impact events, more detailed information will be provided via traditional decision support services.

Coastal Flooding - Fire - Flooding - Heat - Thunderstorms - Tropical - Wind - Winter


Radar Gray ME


WSR-88D Doppler Radar

Gray | Boston | Burlington | Albany

Northeast Sector | Loop
Nationwide | Loop


Storm Prediction Center

Storm Prediction Center Overview Graphic / Map

Radar of the contiguous United States with Storm Prediction Center (SPC) products - Day 1.

SPC & its Products

Convection Outlooks 

Convective outlook  for organized severe thunderstorms over the contiguous United States.

Day 1 Outlook
Day 2 Outlook
Day 3 Outlook
Days 4-8 Outlook

Current Watches

About Severe Weather Watches

Current Watches

Graphic showing any severe thunderstorm and tornado watches which are in effect over the contiguous United States.

Severe & Tornado Watches


Latest Surface AnalysisNational Forecast Maps

Surface Analysis

The Weather Prediction Center (WPC) produces surface maps which depicts the analysis of  highs, lows, fronts, troughs, outflow boundaries, squall lines, and drylines.

Regional Observations
Rainfall Reports

Mesoscale Discussions

Mesoscale Discussions

Describe 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.

Current Mesoscale Discussions

Upper Air Sounding Map

Upper Air Soundings

Skew-T charts for all observed soundings across the United States. An archive of seven days of data is available.

Observed Soundings

Storm Reports

These reports are preliminary and are plotted and listed "as is" from NWS Local Storm Reports usually sent in realtime.

Gray's Preliminary Local Storm Reports

Upper Air Map

Forecast Tools

Including upper air mapsupper air soundingsmesoanalysis graphics, Short-Range Ensemble Forecast (SREF), Storm-Scale Ensemble of Opportunity (SSEO) and Compmap.

SPC Mesoscale Sectors

Mesoscale Analysis

Nine fixed regional sectors and a national sector provide hourly gridded mesoanalysis graphics across the CONUS.

Northeast Sector