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Home Return to list Severe Thunderstorm Warning 0297 Issued by the Mount Holly / Philadelphia Forecast Office
Action: New Issued At: 2026-08-10 15:02:54
412
WUUS51 KPHI 102002
SVRPHI
NJC019-027-041-PAC089-095-102045-
/O.NEW.KPHI.SV.W.0297.260810T2002Z-260810T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
402 PM EDT Mon Aug 10 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Hunterdon County in northwestern New Jersey...
Southwestern Morris County in northern New Jersey...
Southern Warren County in northwestern New Jersey...
South central Monroe County in northeastern Pennsylvania...
Northeastern Northampton County in eastern Pennsylvania...
* Until 445 PM EDT.
* At 402 PM EDT, a severe thunderstorm was located over Belfast, or 9
miles north of Easton, moving east at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Easton, Forks, Hackettstown, Wilson, Washington, Nazareth, Bangor,
High Bridge, Pen Argyl, Wind Gap, Clinton, Belvidere, Harmony,
Oxford, Glen Gardner, Chester, Belfast, Hampton, Lebanon, and
Tatamy.
This includes Interstate 78 in New Jersey between mile markers 5 and
25.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.
&&
LAT...LON 4074 7540 4095 7535 4084 7467 4058 7478
TIME...MOT...LOC 2002Z 282DEG 42KT 4081 7528
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS
Action: Continued Issued At: 2026-08-10 15:20:55
963
WWUS51 KPHI 102020
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
420 PM EDT Mon Aug 10 2026
PAC089-102030-
/O.CAN.KPHI.SV.W.0297.000000T0000Z-260810T2045Z/
Monroe PA-
420 PM EDT Mon Aug 10 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MONROE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
northern and northwestern New Jersey...and eastern Pennsylvania.
LAT...LON 4071 7527 4083 7516 4077 7470 4058 7478
TIME...MOT...LOC 2020Z 285DEG 38KT 4073 7510
$$
NJC019-027-041-PAC095-102045-
/O.CON.KPHI.SV.W.0297.000000T0000Z-260810T2045Z/
Hunterdon NJ-Morris NJ-Warren NJ-Northampton PA-
420 PM EDT Mon Aug 10 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTHEASTERN HUNTERDON...SOUTHWESTERN MORRIS...SOUTHWESTERN
WARREN AND EAST CENTRAL NORTHAMPTON COUNTIES...
At 420 PM EDT, a severe thunderstorm was located over Harmony, or 7
miles northeast of Easton, moving east at 45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Easton, Forks, Washington, High Bridge, Clinton, Harmony, Oxford,
Glen Gardner, Hampton, Lebanon, Califon, Bloomsbury, Brass Castle,
Pleasant Valley, Roxburg, Annandale, White House Station, Long
Valley, and Phillipsburg.
This includes Interstate 78 in New Jersey between mile markers 5 and
25.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
&&
LAT...LON 4071 7527 4083 7516 4077 7470 4058 7478
TIME...MOT...LOC 2020Z 285DEG 38KT 4073 7510
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS
Action: Cancelled Issued At: 2026-08-10 15:20:55
963
WWUS51 KPHI 102020
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
420 PM EDT Mon Aug 10 2026
PAC089-102030-
/O.CAN.KPHI.SV.W.0297.000000T0000Z-260810T2045Z/
Monroe PA-
420 PM EDT Mon Aug 10 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MONROE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
northern and northwestern New Jersey...and eastern Pennsylvania.
LAT...LON 4071 7527 4083 7516 4077 7470 4058 7478
TIME...MOT...LOC 2020Z 285DEG 38KT 4073 7510
$$
NJC019-027-041-PAC095-102045-
/O.CON.KPHI.SV.W.0297.000000T0000Z-260810T2045Z/
Hunterdon NJ-Morris NJ-Warren NJ-Northampton PA-
420 PM EDT Mon Aug 10 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTHEASTERN HUNTERDON...SOUTHWESTERN MORRIS...SOUTHWESTERN
WARREN AND EAST CENTRAL NORTHAMPTON COUNTIES...
At 420 PM EDT, a severe thunderstorm was located over Harmony, or 7
miles northeast of Easton, moving east at 45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Easton, Forks, Washington, High Bridge, Clinton, Harmony, Oxford,
Glen Gardner, Hampton, Lebanon, Califon, Bloomsbury, Brass Castle,
Pleasant Valley, Roxburg, Annandale, White House Station, Long
Valley, and Phillipsburg.
This includes Interstate 78 in New Jersey between mile markers 5 and
25.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
&&
LAT...LON 4071 7527 4083 7516 4077 7470 4058 7478
TIME...MOT...LOC 2020Z 285DEG 38KT 4073 7510
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS
Action: Cancelled Issued At: 2026-08-10 15:34:25
331
WWUS51 KPHI 102033
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
433 PM EDT Mon Aug 10 2026
PAC095-102043-
/O.CAN.KPHI.SV.W.0297.000000T0000Z-260810T2045Z/
Northampton PA-
433 PM EDT Mon Aug 10 2026
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL NORTHAMPTON
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
northern and northwestern New Jersey.
LAT...LON 4065 7505 4081 7501 4081 7500 4077 7470
4058 7478
TIME...MOT...LOC 2033Z 283DEG 37KT 4071 7495
$$
NJC019-027-041-102045-
/O.CON.KPHI.SV.W.0297.000000T0000Z-260810T2045Z/
Hunterdon NJ-Morris NJ-Warren NJ-
433 PM EDT Mon Aug 10 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTHEASTERN HUNTERDON...SOUTHWESTERN MORRIS AND SOUTH CENTRAL
WARREN COUNTIES...
At 433 PM EDT, a severe thunderstorm was located over Glen Gardner,
or 14 miles east of Easton, moving east at 40 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Washington, High Bridge, Clinton, Oxford, Glen Gardner, Hampton,
Lebanon, Califon, Brass Castle, Pleasant Valley, Annandale, White
House Station, and Long Valley.
This includes Interstate 78 in New Jersey between mile markers 9 and
25.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
&&
LAT...LON 4065 7505 4081 7501 4081 7500 4077 7470
4058 7478
TIME...MOT...LOC 2033Z 283DEG 37KT 4071 7495
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS
Action: Continued Issued At: 2026-08-10 15:34:25
331
WWUS51 KPHI 102033
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
433 PM EDT Mon Aug 10 2026
PAC095-102043-
/O.CAN.KPHI.SV.W.0297.000000T0000Z-260810T2045Z/
Northampton PA-
433 PM EDT Mon Aug 10 2026
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL NORTHAMPTON
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
northern and northwestern New Jersey.
LAT...LON 4065 7505 4081 7501 4081 7500 4077 7470
4058 7478
TIME...MOT...LOC 2033Z 283DEG 37KT 4071 7495
$$
NJC019-027-041-102045-
/O.CON.KPHI.SV.W.0297.000000T0000Z-260810T2045Z/
Hunterdon NJ-Morris NJ-Warren NJ-
433 PM EDT Mon Aug 10 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTHEASTERN HUNTERDON...SOUTHWESTERN MORRIS AND SOUTH CENTRAL
WARREN COUNTIES...
At 433 PM EDT, a severe thunderstorm was located over Glen Gardner,
or 14 miles east of Easton, moving east at 40 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Washington, High Bridge, Clinton, Oxford, Glen Gardner, Hampton,
Lebanon, Califon, Brass Castle, Pleasant Valley, Annandale, White
House Station, and Long Valley.
This includes Interstate 78 in New Jersey between mile markers 9 and
25.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
&&
LAT...LON 4065 7505 4081 7501 4081 7500 4077 7470
4058 7478
TIME...MOT...LOC 2033Z 283DEG 37KT 4071 7495
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS
Action: Expired Issued At: 2026-08-10 15:41:55
478
WWUS51 KPHI 102041
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
441 PM EDT Mon Aug 10 2026
NJC019-027-041-102051-
/O.EXP.KPHI.SV.W.0297.000000T0000Z-260810T2045Z/
Hunterdon NJ-Morris NJ-Warren NJ-
441 PM EDT Mon Aug 10 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HUNTERDON...
SOUTHWESTERN MORRIS AND SOUTH CENTRAL WARREN COUNTIES WILL EXPIRE AT
445 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
northern and northwestern New Jersey.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 4065 7505 4081 7501 4081 7500 4077 7470
4058 7478
TIME...MOT...LOC 2041Z 282DEG 42KT 4069 7484
$$
MPS
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