SPC Jul 3, 2025 1730 UTC Day 2 Convective Outlook
SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1232 PM CDT Thu Jul 03 2025 Valid 041200Z - 051200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS OVER PARTS OF THE CENTRAL AND NORTHERN PLAINS TOWARD THE UPPER MISSISSIPPI VALLEY... ...SUMMARY... Scattered strong to severe thunderstorms are expected mainly over the central to northern Plains, and perhaps late toward the upper Mississippi Valley. ...Synopsis... A trio of shortwave troughs will affect parts of the northern CONUS on Friday, with widely-scattered strong to severe storms most likely with the system moving across the Plains.
SPC MD 1547
MD 1547 CONCERNING SEVERE THUNDERSTORM WATCH 483... FOR NEW ENGLAND Mesoscale Discussion 1547 NWS Storm Prediction Center Norman OK 1117 AM CDT Thu Jul 03 2025 Areas affected...New England Concerning...Severe Thunderstorm Watch 483... Valid 031617Z - 031815Z The severe weather threat for Severe Thunderstorm Watch 483 continues. SUMMARY...Primary severe potential, from isolated to scattered damaging winds, will be largely focused across central/eastern Maine and far southeast New Hampshire. Potential exists for a separate area of storms over the Champlain Valley to intensify downstream later this afternoon. DISCUSSION...A broken thin band of quasi-linear convection is ongoing from northern ME to the
SPC MD 1548
MD 1548 CONCERNING SEVERE POTENTIAL...SEVERE THUNDERSTORM WATCH LIKELY FOR THE NORTHEAST Mesoscale Discussion 1548 NWS Storm Prediction Center Norman OK 1157 AM CDT Thu Jul 03 2025 Areas affected...the Northeast Concerning...Severe potential...Severe Thunderstorm Watch likely Valid 031657Z - 031900Z Probability of Watch Issuance...80 percent SUMMARY...Isolated to scattered damaging winds and isolated severe hail will be possible as initially isolated storms increase across parts of the Northeast. A Severe Thunderstorm Watch issuance is likely. DISCUSSION...Initial sustained storm development is underway across southwest NY, with scattered agitated CU over northeast PA and southeast NY. A plume of moderate buoyancy will expand eastward
SPC Severe Thunderstorm Watch 484 Status Reports
WW 0484 Status Updates STATUS FOR WATCH 0484 HAS NOT BEEN ISSUED YET Read more
SPC Severe Thunderstorm Watch 484
WW 484 SEVERE TSTM CT MA NJ NY PA RI CW 031730Z - 040200Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 484 NWS Storm Prediction Center Norman OK 130 PM EDT Thu Jul 3 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Connecticut Massachusetts Northern New Jersey Southern New York Northeast Pennsylvania Rhode Island Coastal Waters * Effective this Thursday afternoon and evening from 130 PM until 1000 PM EDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Scattered
SPC Severe Thunderstorm Watch 483 Status Reports
WW 0483 Status Updates STATUS REPORT ON WW 483 THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1547. ..GRAMS..07/03/25 ATTN...WFO...GYX...CAR... STATUS REPORT FOR WS 483 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS MEC001-003-005-007-009-011-013-015-017-019-021-023-025-027-029- 031-031840- ME . MAINE COUNTIES INCLUDED ARE ANDROSCOGGIN AROOSTOOK CUMBERLAND FRANKLIN HANCOCK KENNEBEC KNOX LINCOLN OXFORD PENOBSCOT PISCATAQUIS SAGADAHOC SOMERSET WALDO WASHINGTON YORK NHC001-003-005-007-009-011-013-015-017-019-031840- NH . NEW HAMPSHIRE COUNTIES INCLUDED ARE BELKNAP CARROLL CHESHIRE COOS GRAFTON HILLSBOROUGH MERRIMACK ROCKINGHAM STRAFFORD SULLIVAN Read more
SPC Severe Thunderstorm Watch 483
WW 483 SEVERE TSTM ME NH 031440Z - 032200Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 483 NWS Storm Prediction Center Norman OK 1040 AM EDT Thu Jul 3 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Maine New Hampshire * Effective this Thursday morning and evening from 1040 AM until 600 PM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Scattered large hail and isolated very large hail events to 2 inches in diameter possible SUMMARY...Thunderstorm coverage is expected to increase across the region
SPC Jul 3, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1120 AM CDT Thu Jul 03 2025 Valid 031630Z - 041200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR NORTH DAKOTA AND MUCH OF THE NORTHEAST... ...SUMMARY... Scattered severe thunderstorms capable of producing severe/damaging winds and large hail are forecast across parts of the Northeast and northern Plains today. ...Northeast... Recent satellite imagery shows a well-defined cyclone over northern QC and a shortwave trough embedded within the southern periphery of this cyclone progressing through the Lower Great Lakes. An attendant cold front is in
Air Quality Alert issued July 2 at 4:10PM MDT by NWS Denver CO
The Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Wednesday July 02 to 400 PM Thursday July 03 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot, stagnant weather will continue, allowing ozone to reach the Unhealthy for Sensitive Groups category on Wednesday and Thursday. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at