Alert archive / New Jersey / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 4, NWS Philadelphia/Mount Holly

February 18, 202212 counties in New Jersey; 4 counties in Pennsylvania; Kent County, New Castle County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Feb 18, 2022, 6:17 AM EST for 12 counties in New Jersey; 4 counties in Pennsylvania; Kent County, New Castle County, Sussex County, Delaware. It was in force for 43 min. 4 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
Feb 18, 2022, 6:17 AM EST (11:17 UTC)
Expired
Feb 18, 2022, 7:00 AM EST
In force
43 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Bucks County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 43 km from the middle of the area, began a volume at 11:21 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

TimeReportWhereRemark
Feb 18, 6:18 AM ESTTSTM WND DMGMount Laurel, NJSEVERAL BRANCHES AND A FEW LARGE LIMBS DOWN. TIME ESTIMATED FROM RADAR.
Feb 18, 6:20 AM ESTTSTM WND DMGBordentown, NJVERY LARGE LIMB SNAPPED. TIME ESTIMATED FROM RADAR.
Feb 18, 6:20 AM ESTTSTM WND DMGGibbsboro, NJPOWER OUTAGES REPORTED DUE TO WINDS. TIME ESTIMATED FROM RADAR.
Feb 18, 6:45 AM ESTTSTM WND DMG2 N Hammonton, NJPOWER OUTAGES REPORTED DUE TO HIGH WINDS. TIME ESTIMATED FROM RADAR.

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

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 11.3 hours before the alert went out and 195 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-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2022-02-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2022-02-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 351 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
505 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
351 m²/s²
0-3 km storm-relative helicity
381 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

248 
WUUS51 KPHI 181117
SVRPHI
DEC001-003-005-NJC001-005-007-011-015-019-021-023-025-029-033-035-
PAC017-045-091-101-181200-
/O.NEW.KPHI.SV.W.0004.220218T1117Z-220218T1200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
617 AM EST Fri Feb 18 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  North central Sussex County in southern Delaware...
  New Castle County in northern Delaware...
  Kent County in central Delaware...
  Ocean County in southern New Jersey...
  Camden County in southern New Jersey...
  Mercer County in central New Jersey...
  Southwestern Somerset County in northern New Jersey...
  Western Atlantic County in southern New Jersey...
  Cumberland County in southern New Jersey...
  Salem County in southern New Jersey...
  Southeastern Hunterdon County in northwestern New Jersey...
  Gloucester County in southern New Jersey...
  Burlington County in southern New Jersey...
  Southern Monmouth County in central New Jersey...
  Southwestern Middlesex County in northern New Jersey...
  Southeastern Montgomery County in southeastern Pennsylvania...
  Southeastern Bucks County in southeastern Pennsylvania...
  Philadelphia County in southeastern Pennsylvania...
  Eastern Delaware County in southeastern Pennsylvania...

* Until 700 AM EST.

* At 616 AM EST, severe thunderstorms were located along a line
  extending from Kingston to near Port Penn, moving east at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated. A few measured wind gusts near 60 mph.

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

* Locations impacted include...
  Philadelphia, Toms River, Trenton, Camden, Wilmington, Vineland,
  Dover, Millville, Bridgeton, Middletown, Gloucester City,
  Cumberland, Lakewood, Cherry Hill, Bensalem, Jackson, Howell, East
  Brunswick, Evesham and South Brunswick.

This includes the following highways...
 New Jersey Turnpike between exits 1 and 9.
 Pennsylvania Turnpike between mile markers 340 and 359.
 Interstate 95 in Pennsylvania between mile markers 0 and 40.
 Interstate 95 in Delaware between mile markers 9 and 23.
 Interstate 76 in Pennsylvania between mile markers 336 and 351.
 Interstate 76 in New Jersey between mile markers 0 and 3.
 Interstate 195 in New Jersey between mile markers 0 and 34.
 Interstate 295 in New Jersey between mile markers 0 and 76.
 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 9.
 Garden State Parkway between mile markers 79 and 99.
 Atlantic City Expressway between mile markers 17 and 44.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This severe thunderstorm may contain little or no lightning. Do not
wait until you hear thunder before taking cover.

&&

LAT...LON 4012 7397 3883 7545 3899 7574 3956 7578
      4036 7495 4034 7494 4035 7486 4038 7487
      4043 7475 4051 7479 4055 7475
TIME...MOT...LOC 1116Z 271DEG 48KT 4037 7463 3947 7559 

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

$$

Davis
3 follow-up statements
801 
WWUS51 KPHI 181137
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
637 AM EST Fri Feb 18 2022

NJC019-035-PAC091-181145-
/O.CAN.KPHI.SV.W.0004.000000T0000Z-220218T1200Z/
Hunterdon NJ-Somerset NJ-Montgomery PA-
637 AM EST Fri Feb 18 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HUNTERDON...
SOUTHWESTERN SOMERSET AND SOUTHEASTERN MONTGOMERY COUNTIES IS
CANCELLED...

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

LAT...LON 4012 7397 3883 7545 3899 7574 3943 7575
      4039 7468
TIME...MOT...LOC 1135Z 271DEG 48KT 4036 7430 3947 7526 

$$

DEC001-003-005-NJC001-005-007-011-015-021-023-025-029-033-PAC017-045-
101-181200-
/O.CON.KPHI.SV.W.0004.000000T0000Z-220218T1200Z/
Sussex DE-New Castle DE-Kent DE-Ocean NJ-Camden NJ-Mercer NJ-
Atlantic NJ-Cumberland NJ-Salem NJ-Gloucester NJ-Burlington NJ-
Monmouth NJ-Middlesex NJ-Bucks PA-Philadelphia PA-Delaware PA-
637 AM EST Fri Feb 18 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 AM EST
FOR NORTH CENTRAL SUSSEX...SOUTHWESTERN NEW CASTLE...KENT...OCEAN...
CAMDEN...MERCER...WESTERN ATLANTIC...CUMBERLAND...SALEM...
GLOUCESTER...BURLINGTON...SOUTHERN MONMOUTH...SOUTHWESTERN
MIDDLESEX...SOUTHEASTERN BUCKS...CENTRAL PHILADELPHIA AND
SOUTHEASTERN DELAWARE COUNTIES...

At 635 AM EST, severe thunderstorms were located along a line
extending from Robertsville to near Shiloh, moving east at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Public and trained spotter reported.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible. Numerous reports of trees down with this line.

Locations impacted include...
Philadelphia, Toms River, Trenton, Camden, Vineland, Dover,
Millville, Bridgeton, Middletown, Gloucester City, Cumberland,
Lakewood, Cherry Hill, Bensalem, Jackson, Howell, Evesham, Mount
Laurel, Manalapan and Ewing.

This includes the following highways...
 New Jersey Turnpike between exits 1 and 8A.
 Pennsylvania Turnpike between mile markers 352 and 359.
 Interstate 95 in Pennsylvania between mile markers 14 and 40.
 Interstate 76 in Pennsylvania between mile markers 347 and 351.
 Interstate 76 in New Jersey between mile markers 0 and 3.
 Interstate 195 in New Jersey between mile markers 0 and 34.
 Interstate 295 in New Jersey between mile markers 6 and 72.
 Interstate 676 in New Jersey between mile markers 0 and 4.
 Garden State Parkway between mile markers 79 and 98.
 Atlantic City Expressway between mile markers 17 and 44.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This severe thunderstorm may contain little or no lightning. Do not
wait until you hear thunder before taking cover.

&&

LAT...LON 4012 7397 3883 7545 3899 7574 3943 7575
      4039 7468
TIME...MOT...LOC 1135Z 271DEG 48KT 4036 7430 3947 7526 

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

$$

Davis
595 
WWUS51 KPHI 181149
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
649 AM EST Fri Feb 18 2022

DEC003-PAC017-045-101-181158-
/O.CAN.KPHI.SV.W.0004.000000T0000Z-220218T1200Z/
New Castle DE-Bucks PA-Philadelphia PA-Delaware PA-
649 AM EST Fri Feb 18 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN NEW CASTLE...
SOUTHEASTERN BUCKS...CENTRAL 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.

LAT...LON 4012 7397 3883 7545 3899 7574 3913 7573
      4031 7447
TIME...MOT...LOC 1148Z 271DEG 48KT 4036 7412 3947 7508 

$$

DEC001-005-NJC001-005-007-011-015-021-023-025-029-033-181200-
/O.CON.KPHI.SV.W.0004.000000T0000Z-220218T1200Z/
Sussex DE-Kent DE-Atlantic NJ-Cumberland NJ-Salem NJ-Ocean NJ-
Camden NJ-Mercer NJ-Gloucester NJ-Burlington NJ-Monmouth NJ-
Middlesex NJ-
649 AM EST Fri Feb 18 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 AM EST
FOR NORTH CENTRAL SUSSEX...KENT...WESTERN ATLANTIC...CUMBERLAND...
SOUTHEASTERN SALEM...OCEAN...SOUTHERN CAMDEN...SOUTHEASTERN MERCER...
SOUTHEASTERN GLOUCESTER...BURLINGTON...SOUTHERN MONMOUTH AND SOUTH
CENTRAL MIDDLESEX COUNTIES...

At 648 AM EST, severe thunderstorms were located along a line
extending from Lincroft to near South Vineland, moving east at 55
mph.

HAZARD...60 mph wind gusts.

SOURCE...Trained weather spotters.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible. Numerous reports of trees down.

Locations impacted include...
Toms River, Vineland, Dover, Millville, Bridgeton, Cumberland,
Lakewood, Jackson, Howell, Evesham, Manalapan, Voorhees, Medford,
Glassboro, Lindenwold, Hammonton, Lumberton, Beachwood, Milford and
Mount Holly.

This includes the following highways...
 New Jersey Turnpike near exit 8A.
 Interstate 195 in New Jersey between mile markers 8 and 34.
 Garden State Parkway between mile markers 79 and 98.
 Atlantic City Expressway between mile markers 17 and 43.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This severe thunderstorm may contain little or no lightning. Do not
wait until you hear thunder before taking cover.

&&

LAT...LON 4012 7397 3883 7545 3899 7574 3913 7573
      4031 7447
TIME...MOT...LOC 1148Z 271DEG 48KT 4036 7412 3947 7508 

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

$$

Davis
753 
WWUS51 KPHI 181159
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
659 AM EST Fri Feb 18 2022

DEC001-005-NJC001-005-007-011-015-021-023-025-029-033-181208-
/O.EXP.KPHI.SV.W.0004.000000T0000Z-220218T1200Z/
Sussex DE-Kent DE-Atlantic NJ-Cumberland NJ-Salem NJ-Ocean NJ-
Camden NJ-Mercer NJ-Gloucester NJ-Burlington NJ-Monmouth NJ-
Middlesex NJ-
659 AM EST Fri Feb 18 2022

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL SUSSEX...KENT...
WESTERN ATLANTIC...CUMBERLAND...SOUTHEASTERN SALEM...OCEAN...SOUTHERN
CAMDEN...SOUTHEASTERN MERCER...SOUTHEASTERN GLOUCESTER...
BURLINGTON...SOUTHERN MONMOUTH AND SOUTH CENTRAL MIDDLESEX COUNTIES
WILL EXPIRE AT 700 AM EST...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will 
be allowed to expire. However gusty winds are still possible with 
these thunderstorms. The Wind Advisory remains in effect. 

LAT...LON 4012 7397 3883 7545 3899 7574 3913 7573
      4031 7447
TIME...MOT...LOC 1158Z 271DEG 48KT 4036 7398 3947 7495 

$$

Davis

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 18, 6:25 AM ESTSpecial Marine WarningPHI66 min
Feb 18, 11:54 AM ESTWind AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more33 hr
Feb 18, 11:55 AM ESTSmall Craft AdvisoryPHI15 hr
Feb 18, 3:16 PM ESTGale WarningPHI34 hr

Nearby

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