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Home Return to list Severe Thunderstorm Warning 0041 Issued by the Mount Holly / Philadelphia Forecast Office
Action: New Issued At: 2026-05-20 16:24:30
648
WUUS51 KPHI 202124
SVRPHI
NJC019-023-027-035-041-PAC017-095-202215-
/O.NEW.KPHI.SV.W.0041.260520T2124Z-260520T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
524 PM EDT Wed May 20 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Hunterdon County in northwestern New Jersey...
Southwestern Morris County in northern New Jersey...
Southwestern Warren County in northwestern New Jersey...
Somerset County in northern New Jersey...
Northwestern Middlesex County in northern New Jersey...
Northwestern Bucks County in southeastern Pennsylvania...
Southeastern Northampton County in eastern Pennsylvania...
* Until 615 PM EDT.
* At 523 PM EDT, a severe thunderstorm was located over Milford, or
11 miles southeast of Easton, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
New Brunswick, Easton, Somerville, Somerset, East Brunswick,
Bridgewater, North Brunswick, Forks, Middlesex, Bound Brook,
Manville, Byram, Wilson, Washington, Mendham, Flemington, Tinicum,
High Bridge, Clinton, and Harmony.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4041 7444 4043 7532 4075 7527 4076 7444
4069 7444 4067 7446 4065 7444 4061 7444
4060 7446 4059 7444
TIME...MOT...LOC 2123Z 271DEG 31KT 4057 7507
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Fitzsimmons
Action: Continued Issued At: 2026-05-20 16:43:31
330
WWUS51 KPHI 202143
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
543 PM EDT Wed May 20 2026
PAC017-095-202152-
/O.CAN.KPHI.SV.W.0041.000000T0000Z-260520T2215Z/
Bucks PA-Northampton PA-
543 PM EDT Wed May 20 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BUCKS AND
SOUTHEASTERN NORTHAMPTON COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central, northern and northwestern New Jersey.
LAT...LON 4043 7505 4074 7504 4076 7444 4069 7444
4067 7446 4065 7444 4061 7444 4060 7446
4059 7444 4041 7444
TIME...MOT...LOC 2142Z 271DEG 31KT 4057 7485
$$
NJC019-023-027-035-041-202215-
/O.CON.KPHI.SV.W.0041.000000T0000Z-260520T2215Z/
Hunterdon NJ-Morris NJ-Warren NJ-Somerset NJ-Middlesex NJ-
543 PM EDT Wed May 20 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR HUNTERDON...SOUTHWESTERN MORRIS...SOUTH CENTRAL WARREN...SOMERSET
AND NORTHWESTERN MIDDLESEX COUNTIES...
At 542 PM EDT, a severe thunderstorm was located near Flemington, or
12 miles west of Somerville, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
New Brunswick, Somerville, Somerset, East Brunswick, Bridgewater,
North Brunswick, Middlesex, Bound Brook, Manville, Mendham,
Flemington, High Bridge, Clinton, Peapack And Gladstone, Glen
Gardner, Hampton, Lebanon, Califon, Far Hills, and Millstone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4043 7505 4074 7504 4076 7444 4069 7444
4067 7446 4065 7444 4061 7444 4060 7446
4059 7444 4041 7444
TIME...MOT...LOC 2142Z 271DEG 31KT 4057 7485
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Fitzsimmons
Action: Cancelled Issued At: 2026-05-20 16:43:31
330
WWUS51 KPHI 202143
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
543 PM EDT Wed May 20 2026
PAC017-095-202152-
/O.CAN.KPHI.SV.W.0041.000000T0000Z-260520T2215Z/
Bucks PA-Northampton PA-
543 PM EDT Wed May 20 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BUCKS AND
SOUTHEASTERN NORTHAMPTON COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central, northern and northwestern New Jersey.
LAT...LON 4043 7505 4074 7504 4076 7444 4069 7444
4067 7446 4065 7444 4061 7444 4060 7446
4059 7444 4041 7444
TIME...MOT...LOC 2142Z 271DEG 31KT 4057 7485
$$
NJC019-023-027-035-041-202215-
/O.CON.KPHI.SV.W.0041.000000T0000Z-260520T2215Z/
Hunterdon NJ-Morris NJ-Warren NJ-Somerset NJ-Middlesex NJ-
543 PM EDT Wed May 20 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR HUNTERDON...SOUTHWESTERN MORRIS...SOUTH CENTRAL WARREN...SOMERSET
AND NORTHWESTERN MIDDLESEX COUNTIES...
At 542 PM EDT, a severe thunderstorm was located near Flemington, or
12 miles west of Somerville, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
New Brunswick, Somerville, Somerset, East Brunswick, Bridgewater,
North Brunswick, Middlesex, Bound Brook, Manville, Mendham,
Flemington, High Bridge, Clinton, Peapack And Gladstone, Glen
Gardner, Hampton, Lebanon, Califon, Far Hills, and Millstone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4043 7505 4074 7504 4076 7444 4069 7444
4067 7446 4065 7444 4061 7444 4060 7446
4059 7444 4041 7444
TIME...MOT...LOC 2142Z 271DEG 31KT 4057 7485
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Fitzsimmons
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