Alert archive / New Jersey / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 9, NWS Philadelphia/Mount Holly

March 7, 20224 counties in Pennsylvania; 8 counties in New Jersey; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 7, 2022, 9:02 PM EST for 4 counties in Pennsylvania; 8 counties in New Jersey; New Castle County, Delaware. It was in force for 58 min. 12 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, 9:02 PM EST (02:02 UTC)
Expired: Mar 7, 2022, 10:00 PM EST
In force: 58 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Damage threat: Considerable
Hail: 0.75 in
Wind: 70.0 mph

Counties New Castle County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Bucks County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 16 km from the middle of the area, began a volume at 02:05 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, 9:03 PM EST	TSTM WND DMG	1 Ese Gradyville, PA	REPORT OF STRAIGHT LINE WIND DAMAGE TO TREES AND SHRUBBERY IN THE MIDDLETOWN, EDGEMONT, AND THORNBURY AREAS. TREES BLOWN OVER IN THE SAME DIRECTION AND A FEW LIMBS DOWN IN THE AREA AS WELL. TIME ESTIMATED FROM RADAR.
Mar 7, 9:20 PM EST	TSTM WND DMG	Bensalem, PA	PART OF ROOF SIDING TORN OFF.
Mar 7, 9:20 PM EST	TSTM WND DMG	Levittown, PA	SEVERAL TREES AND WIRES DOWN ACROSS LOWER BUCKS COUNTY. TIMES ESTIMATED FROM RADAR.
Mar 7, 9:22 PM EST	TSTM WND GST 68	Levittown, PA	MEASURED ON A PERSONAL ANEMOMETER.
Mar 7, 9:25 PM EST	TSTM WND GST 67	Philadelphia Internatio, PA
Mar 7, 9:30 PM EST	TSTM WND DMG	1 N Mount Holly Wfo, NJ	SEVERAL POLES AND WIRES DOWN ON RT 541 NEAR IRICK ROAD AND WESTERN DRIVE. TRAFFIC LIGHTS OUT AT IRICK ROAD AND RT 541 AND POWER OUTAGE AT NEARBY HOTELS.
Mar 7, 9:30 PM EST	TSTM WND DMG	Burlington, NJ	DOWNED TREE ON US 130 NORTHBOUND SOUTH OF CR 670 / JACKSONVILLE ROAD.
Mar 7, 9:35 PM EST	TSTM WND GST 50	1 Wnw South Jersey Regi, NJ	DAVIS INSTRUMENT MEASURED 37 MPH BUT IS BLOCKED BY TREES; ESTIMATED MAXIMUM WINDS AT LOCATION 50 MPH.
Mar 7, 9:46 PM EST	TSTM WND GST 60	2 E Fort Dix, NJ	MCGUIRE AFB.
Mar 7, 9:57 PM EST	TSTM WND GST 59	3 Ese Farmingdale, NJ	MONMOUTH EXECUTIVE AIRPORT.
Mar 7, 10:00 PM EST	TSTM WND DMG	2 Ssw Lakewood Twp, NJ	LARGE TREE BLOWN OVER ONTO TWO VEHICLES ON CROSS STREET. TIME ESTIMATED FROM RADAR.
Mar 7, 10:03 PM EST	TSTM WND GST 55	Howell, NJ	WINDS ESTIMATED TO BE BETWEEN 50 AND 60 MPH.

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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.0 hours before the alert went out and 234 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: 1524 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 330 m²/s²
0-3 km storm-relative helicity: 355 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

881 
WUUS51 KPHI 080202
SVRPHI
DEC003-NJC001-005-007-015-021-025-029-033-PAC017-045-091-101-080300-
/O.NEW.KPHI.SV.W.0009.220308T0202Z-220308T0300Z/

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

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northern New Castle County in northern Delaware...
  Ocean County in southern New Jersey...
  Camden County in southern New Jersey...
  Southeastern Mercer County in central New Jersey...
  Northern Atlantic County in southern New Jersey...
  Northern Salem County in southern New Jersey...
  Gloucester County in southern New Jersey...
  Burlington County in southern New Jersey...
  Southern Monmouth County in central New Jersey...
  Southeastern Montgomery County in southeastern Pennsylvania...
  Southeastern Bucks County in southeastern Pennsylvania...
  Philadelphia County in southeastern Pennsylvania...
  Delaware County in southeastern Pennsylvania...

* Until 1000 PM EST.

* At 900 PM EST, severe showers and embedded thunderstorms were 
  located along a line extending from near Chalfont to Stanton, 
  moving east at 65 mph. This line has a history of producing areas 
  of wind damage.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Philadelphia, Toms River, Trenton, Camden, Wilmington, Gloucester
  City, Lakewood, Cherry Hill, Bensalem, Jackson, Howell, Evesham,
  Mount Laurel, Chester, Willingboro, Deptford, Voorhees, Medford,
  West Deptford and Barnegat.

This includes the following highways...
 New Jersey Turnpike between exits 1 and 8.
 Pennsylvania Turnpike between mile markers 334 and 359.
 Interstate 95 in Pennsylvania between mile markers 0 and 40.
 Interstate 95 in Delaware between mile markers 3 and 23.
 Interstate 76 in Pennsylvania between mile markers 332 and 351.
 Interstate 76 in New Jersey between mile markers 0 and 3.
 Interstate 195 in New Jersey between mile markers 0 and 2, and
between mile markers 7 and 34.
 Interstate 295 in New Jersey between mile markers 0 and 61.
 Interstate 676 in Pennsylvania between mile markers 0 and 1.
 Interstate 676 in New Jersey between mile markers 0 and 4.
 Interstate 476 in Pennsylvania between mile markers 0 and 13, and
between mile markers 15 and 17, and near mile marker 19.
 Garden State Parkway between mile markers 46 and 99.
 Atlantic City Expressway between mile markers 21 and 44.

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 4019 7393 3950 7417 3963 7575 4020 7520
TIME...MOT...LOC 0200Z 260DEG 55KT 4023 7519 3973 7566 

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

$$

Gorse

2 follow-up statements

419 
WWUS51 KPHI 080222
SVSPHI

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

DEC003-080231-
/O.CAN.KPHI.SV.W.0009.000000T0000Z-220308T0300Z/
New Castle DE-
922 PM EST Mon Mar 7 2022

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN NEW CASTLE COUNTY IS
CANCELLED...

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

A Severe Thunderstorm Watch remains in effect until 1100 PM EST for
southern and central New Jersey...and southeastern Pennsylvania.

LAT...LON 4007 7397 3950 7417 3961 7554 4019 7499
TIME...MOT...LOC 0221Z 286DEG 40KT 4016 7489 3966 7536 

$$

NJC001-005-007-015-021-025-029-033-PAC017-045-091-101-080300-
/O.CON.KPHI.SV.W.0009.000000T0000Z-220308T0300Z/
Atlantic NJ-Salem NJ-Ocean NJ-Camden NJ-Mercer NJ-Gloucester NJ-
Burlington NJ-Monmouth NJ-Montgomery PA-Bucks PA-Philadelphia PA-
Delaware PA-
922 PM EST Mon Mar 7 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EST
FOR NORTHERN ATLANTIC...NORTHERN SALEM...OCEAN...CAMDEN...SOUTH
CENTRAL MERCER...GLOUCESTER...BURLINGTON...SOUTHWESTERN MONMOUTH...
SOUTHEASTERN MONTGOMERY...SOUTHEASTERN BUCKS...PHILADELPHIA AND
SOUTHEASTERN DELAWARE COUNTIES...

At 921 PM EST, severe showers and embedded thunderstorms were 
located along a line extending from Levittown to Woodstown, moving 
east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Philadelphia, Toms River, Camden, Gloucester City, Lakewood, Cherry
Hill, Bensalem, Jackson, Evesham, Mount Laurel, Willingboro,
Deptford, Voorhees, Medford, West Deptford, Barnegat, Glassboro,
Lindenwold, Hammonton and Pennsville.

This includes the following highways...
 New Jersey Turnpike between exits 1 and 7A.
 Pennsylvania Turnpike between mile markers 349 and 359.
 Interstate 95 in Pennsylvania between mile markers 10 and 40.
 Interstate 76 in Pennsylvania between mile markers 344 and 351.
 Interstate 76 in New Jersey between mile markers 0 and 3.
 Interstate 295 in New Jersey between mile markers 5 and 58.
 Interstate 676 in Pennsylvania between mile markers 0 and 1.
 Interstate 676 in New Jersey between mile markers 0 and 4.
 Garden State Parkway between mile markers 46 and 92.
 Atlantic City Expressway between mile markers 21 and 44.

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 4007 7397 3950 7417 3961 7554 4019 7499
TIME...MOT...LOC 0221Z 286DEG 40KT 4016 7489 3966 7536 

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

$$

Gorse

311 
WWUS51 KPHI 080236
SVSPHI

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

NJC021-PAC017-045-091-101-080246-
/O.CAN.KPHI.SV.W.0009.000000T0000Z-220308T0300Z/
Mercer NJ-Montgomery PA-Bucks PA-Philadelphia PA-Delaware PA-
936 PM EST Mon Mar 7 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MERCER...
SOUTHEASTERN MONTGOMERY...SOUTHEASTERN BUCKS...PHILADELPHIA AND
SOUTHEASTERN DELAWARE COUNTIES IS CANCELLED...

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

A Severe Thunderstorm Watch remains in effect until 1100 PM EST for
southern and central New Jersey...and southeastern Pennsylvania.

LAT...LON 4007 7397 3950 7417 3959 7533 4012 7479
      4016 7471
TIME...MOT...LOC 0236Z 260DEG 55KT 4019 7463 3969 7511 

$$

NJC001-005-007-015-025-029-033-080300-
/O.CON.KPHI.SV.W.0009.000000T0000Z-220308T0300Z/
Atlantic NJ-Salem NJ-Ocean NJ-Camden NJ-Gloucester NJ-Burlington NJ-
Monmouth NJ-
936 PM EST Mon Mar 7 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EST
FOR NORTHERN ATLANTIC...EAST CENTRAL SALEM...OCEAN...CAMDEN...EASTERN
GLOUCESTER...BURLINGTON AND SOUTHWESTERN MONMOUTH COUNTIES...

At 936 PM EST, severe showers and embedded thunderstorms were 
located along a line extending from near Allentown to Glassboro, 
moving east at 65 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Toms River, Lakewood, Cherry Hill, Jackson, Evesham, Mount Laurel,
Voorhees, Medford, Barnegat, Glassboro, Lindenwold, Hammonton,
Lumberton, Florence, Beachwood, Burlington, Mount Holly, Pitman,
Clayton and Berlin.

This includes the following highways...
 New Jersey Turnpike between exits 4 and 7A.
 Interstate 295 in New Jersey between mile markers 31 and 58.
 Garden State Parkway between mile markers 46 and 92.
 Atlantic City Expressway between mile markers 21 and 44.

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 4007 7397 3950 7417 3959 7533 4012 7479
      4016 7471
TIME...MOT...LOC 0236Z 260DEG 55KT 4019 7463 3969 7511 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 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, 7:29 PM EST	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	61 min
Mar 7, 8:05 PM EST	Severe Thunderstorm Warning	PHI	Berks, Bucks, Chester, Lehigh, Monroe, Montgomery and 1 more	70 min
Mar 7, 8:21 PM EST	Severe Thunderstorm Warning	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	54 min
Mar 7, 8:54 PM EST	Severe Thunderstorm Warning Considerable damage threat	PHI	Bucks, Montgomery	66 min
Mar 8, 3:05 AM EST	Winter Weather Advisory	PHI	Carbon, Monroe	40 hr
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, 3:03 PM EST	Small Craft Advisory	PHI		39 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2022 Severe Thunderstorm Warnings in Pennsylvania, 2022 Severe Thunderstorm Warnings in Delaware, 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.