Harrisburg, PA Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Harrisburg.

Use the Radar Maps link provided to understand the trajectory of a storm.

Severe Thunderstorm Warning issued July 9 at 6:30PM EDT until July 9 at 7:30PM EDT by NWS State College PA

SVRCTP The National Weather Service in State College PA has issued a * Severe Thunderstorm Warning for... Southeastern Lancaster County in south central Pennsylvania... Southeastern York County in south central Pennsylvania... * Until 730 PM EDT. * At 629 PM EDT, severe thunderstorms were located along a line extending from Strasburg to Cross Roads to Manchester, moving east at 20 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Lancaster, Millersville, Willow Street, Red Lion, Paradise, Shrewsbury, Strasburg, Quarryville, Stewartstown, Glen Rock, Gap, and Delta. Radar has indicated rotation within these severe thunderstorms. Although a tornado is not immediately likely, tornadoes can develop quickly during severe thunderstorms. This includes Interstate 83 from mile markers 0 to 9.

Flash Flood Warning issued July 9 at 6:19PM EDT until July 9 at 9:15PM EDT by NWS State College PA

FFWCTP The National Weather Service in State College has issued a * Flash Flood Warning for... Central Lancaster County in south central Pennsylvania... Southeastern York County in south central Pennsylvania... * Until 915 PM EDT. * At 619 PM EDT, local law enforcement reported thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Lancaster, York, Columbia, Millersville, Willow Street, Red Lion, Spry, Dallastown, East York, Stonybrook-Wilshire, Paradise, Salunga-Landisville, Shrewsbury, Grantley, Tyler Run-Queens Gate, Valley View, Strasburg, Mountville, Marietta and Stewartstown.

Severe Thunderstorm Warning issued July 9 at 6:14PM EDT until July 9 at 6:45PM EDT by NWS State College PA

SVRCTP The National Weather Service in State College PA has issued a * Severe Thunderstorm Warning for... Central Lancaster County in south central Pennsylvania... * Until 645 PM EDT. * At 613 PM EDT, a severe thunderstorm was located over Willow Street, moving east at 15 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Lancaster, Millersville, Willow Street, Paradise, Strasburg, Quarryville, Smithville, Safe Harbor, Lampeter, Conestoga, Gordonville, and Bird-In-Hand.

Severe Thunderstorm Watch issued July 9 at 6:07PM EDT until July 9 at 10:00PM EDT by NWS State College PA

SEVERE THUNDERSTORM WATCH 497 REMAINS VALID UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN PENNSYLVANIA THIS WATCH INCLUDES 3 COUNTIES IN CENTRAL PENNSYLVANIA ADAMS LANCASTER YORK THIS INCLUDES THE CITIES OF GETTYSBURG, LANCASTER, AND YORK.

Flash Flood Warning issued July 9 at 6:06PM EDT until July 9 at 8:15PM EDT by NWS State College PA

At 606 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... York, Weigelstown, Shiloh, East York, Stonybrook-Wilshire, West York, Grantley, Tyler Run-Queens Gate, Valley View, Manchester, Hallam, Emigsville, Wrightsville, Dover, North York, Yorklyn, Mount Wolf, Yorkana, East Prospect and Penn State York.

Severe Thunderstorm Watch issued July 9 at 5:33PM EDT until July 10 at 12:00AM EDT by NWS Mount Holly NJ

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 499 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT FOR THE FOLLOWING AREAS IN DELAWARE THIS WATCH INCLUDES 3 COUNTIES IN CENTRAL DELAWARE KENT IN NORTHERN DELAWARE NEW CASTLE IN SOUTHERN DELAWARE SUSSEX IN MARYLAND THIS WATCH INCLUDES 4 COUNTIES IN NORTHEAST MARYLAND CAROLINE KENT QUEEN ANNE'S TALBOT IN NEW JERSEY THIS WATCH INCLUDES 14 COUNTIES IN CENTRAL NEW JERSEY MERCER MONMOUTH IN NORTHERN NEW JERSEY HUNTERDON MIDDLESEX SOMERSET WARREN IN SOUTHERN NEW JERSEY ATLANTIC BURLINGTON CAMDEN CAPE MAY CUMBERLAND GLOUCESTER OCEAN SALEM IN PENNSYLVANIA THIS WATCH INCLUDES 8 COUNTIES IN EAST CENTRAL PENNSYLVANIA BERKS LEHIGH NORTHAMPTON IN SOUTHEAST PENNSYLVANIA BUCKS CHESTER DELAWARE MONTGOMERY PHILADELPHIA THIS INCLUDES THE CITIES OF ALLENTOWN, ATLANTIC CITY, BETHLEHEM, BLAIRSTOWN, CAMDEN, CENTREVILLE, CHERRY HILL, CHESTERTOWN, DENTON, DEPTFORD, DOVER, DOYLESTOWN, EAST BRUNSWICK, EASTON, EASTON, EDISON, FLEMINGTON, FREEHOLD, GEORGETOWN, GLASSBORO, HAMMONTON, MEDIA, MILLVILLE, MOORESTOWN, MOUNT HOLLY, NEW BRUNSWICK, NORRISTOWN, NORTH BRUNSWICK TOWNSHIP, OCEAN CITY, PENNSVILLE, PERTH AMBOY, PHILADELPHIA, READING, SAYREVILLE, SOMERSET, TOMS RIVER, TRENTON, WEST CHESTER, AND WILMINGTON.

Flood Watch issued July 9 at 9:29AM EDT until July 10 at 2:00AM EDT by NWS Mount Holly NJ

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of east central and southeast Pennsylvania, including the following areas, in east central Pennsylvania, Berks, Lehigh and Northampton. In southeast Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester and Western Montgomery. * WHEN...From 5 PM EDT this afternoon through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Another round of showers and thunderstorms are expected late this afternoon and into tonight which could produce heavy rain. With an already saturated surface, it will not take much rainfall to result in flooding. Rainfall rates of around 2 to 3 inches per hour are possible. - http://www.weather.gov/safety/flood

Flood Watch issued July 9 at 1:21AM EDT until July 9 at 11:00PM EDT by NWS State College PA

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...A portion of central Pennsylvania, including the following counties, Adams, Lancaster and York. * WHEN...From this afternoon through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Scattered thunderstorms with locally heavy rain are forecast later this afternoon and evening. Hourly rainfall rates of 1 to 2 inches are likely within the strongest storms and could produce isolated instances of flash flooding in and near the watch area. - http://www.weather.gov/safety/flood