Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 6, NWS Philadelphia/Mount Holly

March 7, 20225 counties in New Jersey; 7 counties in Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 7, 2022, 8:05 PM EST for 5 counties in New Jersey; 7 counties in Pennsylvania. It was in force for 70 min. 20 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 7, 2022, 8:05 PM EST (01:05 UTC)
Expired: Mar 7, 2022, 9:15 PM EST
In force: 70 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 102 km from the middle of the area, began a volume at 01:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Mar 7, 8:26 PM EST	TSTM WND GST 66	Forks Twp, PA	POWER KNOCKED OUT.
Mar 7, 8:30 PM EST	TSTM WND GST 60	Forks Twp, PA	DOWNED TREE; TREE KNOCKED OVER FULL SIZE METAL BASKETBALL HOOP STAND.
Mar 7, 8:31 PM EST	TSTM WND DMG	1 Ssw Boyertown, PA	TREES DOWN ON MILL STREET IN BOYERTOWN. REPORT VIA SOCIAL MEDIA.
Mar 7, 8:43 PM EST	TSTM WND DMG	3 Nw Trappe, PA	TREE REPORTED DOWN IN LIMERICK, PA.
Mar 7, 8:44 PM EST	TSTM WND DMG	1 N Hackettstown, NJ	DOWN TREE ON POWER LINES ON 6TH STREET. TIME ESTIMATED FROM RADAR.
Mar 7, 8:44 PM EST	TSTM WND DMG	1 Wnw Hackettstown, NJ	DOWNED TREE ON POWER LINES. TIME ESTIMATED FROM RADAR.
Mar 7, 8:44 PM EST	TSTM WND DMG	Hackettstown, NJ	TREES DOWN ON TWO CARS. TIME ESTIMATED FROM RADAR.
Mar 7, 8:45 PM EST	TSTM WND DMG	Nockamixon Twp, PA	WIRES DOWN ON MARIENSTEIN ROAD.
Mar 7, 8:50 PM EST	TSTM WND DMG	1 Nne Gladstone, NJ	DELAYED REPORT...A SUSPECTED DOWNBURST WITH ESTIMATED MAXIMUM WINDS OF 80 TO 90 MPH RESULTED IN SIGNIFICANT TREE DAMAGE ALONG A PATH FROM PEAPACK AND GLADSTONE TO BERNARDSVILLE. ALONG SHEEPHILL DRIVE IN PEAPACK-GLADSTONE, SEVERAL LARGE PINE TREES WERE SNAPPED.
Mar 7, 8:50 PM EST	TSTM WND GST 56	Skippack Twp, PA	PENNY SIZE HAIL.
Mar 7, 8:51 PM EST	TSTM WND DMG	Ironia, NJ	SOCIAL MEDIA PHOTO OF A BACKYARD TOOL SHED CRUSHED BY A FALLEN TREE. TIME ESTIMATED FROM RADAR.
Mar 7, 8:57 PM EST	TSTM WND DMG	1 Nw Stewartsville, NJ	DOWNED TREE AND DOWNED WIRES ON NJ 57 BOTH DIRECTIONS OF CR 637 / LIBERTY ROAD.
Mar 7, 8:58 PM EST	TSTM WND DMG	Kinnelon, NJ	TREE BLOWN DOWN AND KNOCKED OUT TRANSFORMER.
Mar 7, 8:59 PM EST	TSTM WND GST 54	Doylestown Airport, PA
Mar 7, 9:00 PM EST	TSTM WND DMG	1 Sse Lambertville, NJ	DOWNED TREE ON NJ 29 NORTHBOUND SOUTH OF WEEDEN ST (LAMBERTVILLE).
Mar 7, 9:00 PM EST	TSTM WND DMG	2 Nne Basking Ridge, NJ	DOWNED TREE ON I-287 SOUTHBOUND NORTH OF EXIT 30 - NORTH MAPLE AVE (HARDING TWP).
Mar 7, 9:06 PM EST	TSTM WND DMG	1 Se Far Hills, NJ	DOWNED TREE ON I-287 NORTHBOUND NORTH OF EXIT 22 - US 202 (FAR HILLS).
Mar 7, 9:11 PM EST	TSTM WND DMG	1 Ne Far Hills, NJ	DOWNED TREE ON US 202 BOTH DIRECTIONS NORTH OF CR 512 / SUNNYBRANCH ROAD.
Mar 7, 9:13 PM EST	TSTM WND DMG	Randolph, NJ	BASKETBALL HOOP BLOWN OVER (ESTIMATED WEIGHT OF 200 LBS ON THE BASE); POWER OUT.
Mar 7, 9:14 PM EST	TSTM WND GST 52	Butler, NJ

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 7, 6:19 PM EST	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 1.1 hours before the alert went out and 226 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 956 m above ground
0-6 km bulk shear: 99 kt
0-1 km storm-relative helicity: 714 m²/s²
0-3 km storm-relative helicity: 726 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

614 
WUUS51 KPHI 080105
SVRPHI
NJC019-027-035-037-041-PAC011-017-029-077-089-091-095-080215-
/O.NEW.KPHI.SV.W.0006.220308T0105Z-220308T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
805 PM EST Mon Mar 7 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Morris County in northern New Jersey...
  Hunterdon County in northwestern New Jersey...
  Sussex County in northwestern New Jersey...
  Warren County in northwestern New Jersey...
  Northwestern Somerset County in northern New Jersey...
  Southeastern Berks County in eastern Pennsylvania...
  Southeastern Lehigh County in eastern Pennsylvania...
  Northern Montgomery County in southeastern Pennsylvania...
  Bucks County in southeastern Pennsylvania...
  North central Chester County in southeastern Pennsylvania...
  Southeastern Monroe County in northeastern Pennsylvania...
  Northampton County in eastern Pennsylvania...

* Until 915 PM EST.

* At 803 PM EST, severe showers and embedded thunderstorms were 
  located along a line extending from near Hawley to Kunkletown to 
  Wernersville, moving east at 50 mph. This line has had a history 
  of producing areas of wind damage.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Allentown, Reading, Easton, Morristown, Somerville, Newton,
  Montague, Bethlehem, Bridgewater, Pottstown, Dover, Lansdale,
  Madison, Hopatcong, Forks, Florham Park, Emmaus, East Hanover,
  Lincoln Park and Wyomissing.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 295 and 303.
 Northeast Extension between mile markers 26 and 57.
 Interstate 78 in Pennsylvania between mile markers 54 and 76.
 Interstate 78 in New Jersey between mile markers 0 and 37.
 Interstate 80 in Pennsylvania between mile markers 308 and 314.
 Interstate 80 in New Jersey between mile markers 0 and 47.
 Interstate 287 in New Jersey between mile markers 16 and 54.
 Interstate 176 in Pennsylvania between mile markers 1 and 11.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This line of heavy showers and embedded thunderstorms may contain 
little or no lightning. Do not wait until you hear thunder before 
taking cover.

&&

LAT...LON 4120 7436 4110 7449 4104 7450 4100 7430
      4090 7428 4091 7434 4078 7437 4042 7476
      4035 7486 4034 7494 4030 7488 4021 7498
      4013 7588 4030 7612 4065 7545 4115 7516
      4109 7500 4116 7490 4129 7483 4136 7470
TIME...MOT...LOC 0103Z 263DEG 45KT 4154 7517 4085 7544 4033 7610 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gorse

3 follow-up statements

863 
WWUS51 KPHI 080111
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
811 PM EST Mon Mar 7 2022

NJC019-027-035-037-041-PAC011-017-029-077-089-091-095-080215-
/O.CON.KPHI.SV.W.0006.000000T0000Z-220308T0215Z/
Morris NJ-Hunterdon NJ-Sussex NJ-Warren NJ-Somerset NJ-Berks PA-
Lehigh PA-Montgomery PA-Bucks PA-Chester PA-Monroe PA-Northampton PA-
811 PM EST Mon Mar 7 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EST
FOR MORRIS...HUNTERDON...SUSSEX...WARREN...NORTHWESTERN SOMERSET...
SOUTHEASTERN BERKS...SOUTHEASTERN LEHIGH...NORTHERN MONTGOMERY...
BUCKS...NORTH CENTRAL CHESTER...SOUTHEASTERN MONROE AND NORTHAMPTON
COUNTIES...

At 810 PM EST, severe showers and embedded thunderstorms were 
located along a line extending from Blooming Grove to near 
Northampton to near Denver, moving east at 55 mph.

HAZARD...60 mph wind gusts. A 59 mph wind gust was reported in 
         Lehighton Pennsylvania.

SOURCE...Public.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Allentown, Reading, Easton, Morristown, Somerville, Newton, Montague,
Bethlehem, Bridgewater, Pottstown, Dover, Lansdale, Madison,
Hopatcong, Forks, Florham Park, Emmaus, East Hanover, Lincoln Park
and Wyomissing.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 295 and 303.
 Northeast Extension between mile markers 26 and 57.
 Interstate 78 in Pennsylvania between mile markers 54 and 76.
 Interstate 78 in New Jersey between mile markers 0 and 37.
 Interstate 80 in Pennsylvania between mile markers 308 and 314.
 Interstate 80 in New Jersey between mile markers 0 and 47.
 Interstate 287 in New Jersey between mile markers 16 and 54.
 Interstate 176 in Pennsylvania between mile markers 1 and 11.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This line of heavy showers and embedded thunderstorms may contain 
little or no lightning. Do not wait until you hear thunder before 
taking cover.

&&

LAT...LON 4120 7436 4110 7449 4104 7450 4100 7430
      4090 7428 4091 7434 4078 7437 4042 7476
      4035 7486 4034 7494 4030 7488 4021 7498
      4013 7588 4030 7612 4065 7545 4115 7516
      4109 7500 4116 7490 4129 7483 4136 7470
TIME...MOT...LOC 0110Z 277DEG 49KT 4137 7516 4068 7543 4026 7615 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gorse

971 
WWUS51 KPHI 080129
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
829 PM EST Mon Mar 7 2022

NJC019-027-035-037-041-PAC011-017-029-077-089-091-095-080215-
/O.CON.KPHI.SV.W.0006.000000T0000Z-220308T0215Z/
Morris NJ-Hunterdon NJ-Sussex NJ-Warren NJ-Somerset NJ-Berks PA-
Lehigh PA-Montgomery PA-Bucks PA-Chester PA-Monroe PA-Northampton PA-
829 PM EST Mon Mar 7 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EST
FOR MORRIS...HUNTERDON...SUSSEX...WARREN...NORTHWESTERN SOMERSET...
SOUTHEASTERN BERKS...SOUTHEASTERN LEHIGH...NORTHERN MONTGOMERY...
BUCKS...NORTH CENTRAL CHESTER...SOUTHEASTERN MONROE AND NORTHAMPTON
COUNTIES...

At 826 PM EST, severe showers and embedded thunderstorms were 
located along a line extending from near Milford to Alpha to near 
New Morgan, moving east at 55 mph. This line has had a history of 
producing areas of wind damage.

HAZARD...70 mph wind gusts.

SOURCE...Trained weather spotters. A 66 mph wind gust was measured 
         in Forks Township in Northampton County.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Allentown, Reading, Easton, Morristown, Somerville, Newton, Montague,
Bethlehem, Bridgewater, Pottstown, Dover, Lansdale, Madison,
Hopatcong, Forks, Florham Park, Emmaus, East Hanover, Lincoln Park
and Wyomissing.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 295 and 303.
 Northeast Extension between mile markers 26 and 57.
 Interstate 78 in Pennsylvania between mile markers 54 and 76.
 Interstate 78 in New Jersey between mile markers 0 and 37.
 Interstate 80 in Pennsylvania between mile markers 310 and 314.
 Interstate 80 in New Jersey between mile markers 0 and 47.
 Interstate 287 in New Jersey between mile markers 16 and 54.
 Interstate 176 in Pennsylvania between mile markers 1 and 11.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This line of heavy showers and embedded thunderstorms may contain 
little or no lightning. Do not wait until you hear thunder before 
taking cover.

&&

LAT...LON 4120 7436 4110 7449 4104 7450 4100 7430
      4090 7428 4091 7434 4078 7437 4042 7476
      4035 7486 4034 7494 4030 7488 4021 7498
      4013 7588 4030 7612 4065 7545 4113 7510
      4109 7500 4116 7490 4129 7483 4136 7470
TIME...MOT...LOC 0126Z 274DEG 48KT 4133 7489 4064 7516 4022 7589 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Gorse

641 
WWUS51 KPHI 080146
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
846 PM EST Mon Mar 7 2022

PAC011-077-089-080154-
/O.CAN.KPHI.SV.W.0006.000000T0000Z-220308T0215Z/
Berks PA-Lehigh PA-Monroe PA-
846 PM EST Mon Mar 7 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BERKS...
SOUTHEASTERN LEHIGH AND SOUTHEASTERN MONROE COUNTIES IS CANCELLED...

The storms which prompted the warning are moving out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM EST for
central, northern and northwestern New Jersey...and eastern and
southeastern Pennsylvania.

LAT...LON 4120 7437 4110 7449 4104 7450 4100 7430
      4090 7428 4091 7434 4078 7437 4043 7475
      4038 7486 4035 7486 4034 7494 4030 7488
      4021 7498 4014 7575 4131 7458
TIME...MOT...LOC 0144Z 272DEG 44KT 4128 7450 4061 7488 4018 7557 

$$

NJC019-027-035-037-041-PAC017-029-091-095-080215-
/O.CON.KPHI.SV.W.0006.000000T0000Z-220308T0215Z/
Morris NJ-Hunterdon NJ-Sussex NJ-Warren NJ-Somerset NJ-Montgomery PA-
Bucks PA-Chester PA-Northampton PA-
846 PM EST Mon Mar 7 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EST
FOR MORRIS...HUNTERDON...SUSSEX...WARREN...NORTHWESTERN SOMERSET...
CENTRAL MONTGOMERY...BUCKS...NORTH CENTRAL CHESTER AND SOUTHEASTERN
NORTHAMPTON COUNTIES...

At 844 PM EST, severe showers and embedded thunderstorms were 
located along a line extending from near Vernon Valley to near 
Clinton to Royersford, moving east at 50 mph. This line has a 
history of producing areas of wind damage.

HAZARD...70 mph wind gusts.

SOURCE...Trained weather spotters.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Easton, Morristown, Somerville, Newton, Bridgewater, Pottstown,
Dover, Lansdale, Madison, Hopatcong, Florham Park, East Hanover,
Lincoln Park, Kinnelon, Hackettstown, Quakertown, Perkasie,
Doylestown, Byram and Boonton.

This includes the following highways...
 Northeast Extension between mile markers 25 and 45.
 Interstate 78 in New Jersey between mile markers 0 and 37.
 Interstate 80 in New Jersey between mile markers 12 and 47.
 Interstate 287 in New Jersey between mile markers 16 and 54.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This is a DANGEROUS SITUATION. These storms are producing areas of 
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay 
away from windows.
 
This line of heavy showers and embedded thunderstorms may contain 
little or no lightning. Do not wait until you hear thunder before 
taking cover.

&&

LAT...LON 4120 7437 4110 7449 4104 7450 4100 7430
      4090 7428 4091 7434 4078 7437 4043 7475
      4038 7486 4035 7486 4034 7494 4030 7488
      4021 7498 4014 7575 4131 7458
TIME...MOT...LOC 0144Z 272DEG 44KT 4128 7450 4061 7488 4018 7557 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Gorse

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 7, 8:54 PM EST	Severe Thunderstorm Warning Considerable damage threat	PHI	Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset	66 min
Mar 7, 9:02 PM EST	Severe Thunderstorm Warning Considerable damage threat	PHI	Atlantic, Burlington, Camden, Gloucester, Mercer, Monmouth and 2 more	58 min
Mar 7, 9:33 PM EST	Special Marine Warning	PHI		57 min
Mar 7, 9:45 PM EST	Special Marine Warning	PHI		60 min
Mar 7, 9:50 PM EST	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Monmouth, Ocean	40 min
Mar 8, 3:05 AM EST	Winter Weather Advisory	PHI	Sussex	40 hr
Mar 8, 3:03 PM EST	Small Craft Advisory	PHI		39 hr
Mar 7, 7:29 PM EST	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	61 min
Mar 7, 8:21 PM EST	Severe Thunderstorm Warning	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	54 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2022 Severe Thunderstorm Warnings in New Jersey, 2022 Every severe thunderstorm warning in 2022

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.