Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 84, NWS Philadelphia/Mount Holly

June 9, 2022Bucks County, Delaware County, Philadelphia County, Pennsylvania; Burlington County, Camden County, Gloucester County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 9, 2022, 4:33 AM EDT for Bucks County, Delaware County, Philadelphia County, Pennsylvania; Burlington County, Camden County, Gloucester County, New Jersey. It was in force for 42 min. 5 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
Jun 9, 2022, 4:33 AM EDT (08:33 UTC)
Expired
Jun 9, 2022, 5:15 AM EDT
In force
42 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Bucks County, PA, Delaware County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 49 km from the middle of the area, began a volume at 08:33 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
Jun 9, 4:45 AM EDTTSTM WND DMG2 W Pine Hill, NJMULTIPLE TREES DOWN REPORTED. TIME ESTIMATED VIA RADAR.
Jun 9, 4:47 AM EDTTSTM WND DMGPitman, NJREPORT SENT IN OF A TREE DOWNED INTO A GARAGE. TIME ESTIMATED VIA RADAR.
Jun 9, 4:50 AM EDTTSTM WND DMG1 Se Moorestown, NJDOWNED TREE BLOCKING RAMP. RAMP IS CLOSED. TIME ESTIMATED VIA RADAR.
Jun 9, 4:59 AM EDTTORNADO2 W Pine Hill, NJNWS STORM SURVEY CONCLUDED THAT A BRIEF EF-1 TORNADO OCCURRED NEAR BLACKWOOD, NJ, CAUSING DAMAGE, INCLUDING TREE DAMAGE AND DAMAGE TO OUTBUILDINGS. PEAK WIND SPEEDS WERE ESTIMATED TO BE 90 MPH.
Jun 9, 5:00 AM EDTTSTM WND DMG2 W Pine Hill, NJCORRECTS PREVIOUS TSTM WND DMG REPORT FROM 2 W PINE HILL. NUMEROUS TREES DOWN ON CARS AND HOUSES ON DEER PARK CIRCLE. PICTURES PROVIDED THROUGH SOCIAL MEDIA. TIME ESTIMATED VIA RADAR.

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

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 8.6 hours before the alert went out and 233 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, Washington/Dulle, VA at 00:00Z on 2022-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 178 joules per kilogram.LCLLFCEL10008507005003002001001 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, Washington/Dulle, VA at 00:00Z on 2022-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.193958Sfc1 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
178 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1133 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

087 
WUUS51 KPHI 090833
SVRPHI
NJC005-007-015-PAC017-045-101-090915-
/O.NEW.KPHI.SV.W.0084.220609T0833Z-220609T0915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
433 AM EDT Thu Jun 9 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northwestern Camden County in southern New Jersey...
  North central Gloucester County in southern New Jersey...
  Northwestern Burlington County in southern New Jersey...
  Southeastern Bucks County in southeastern Pennsylvania...
  Philadelphia County in southeastern Pennsylvania...
  East central Delaware County in southeastern Pennsylvania...

* Until 515 AM EDT.

* At 432 AM EDT, a severe thunderstorm was located over Gloucester 
  City, moving northeast at 30 mph. Philadelphia International 
  Airport reported a wind gust to 54 mph as this storm moved through.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Philadelphia, Camden, Gloucester City, Cherry Hill, Bensalem,
  Evesham, Mount Laurel, Willingboro, Deptford, Voorhees, Medford,
  West Deptford, Glassboro, Lindenwold, Lumberton, Florence,
  Bellmawr, Yeadon, Woodbury and Burlington.

This includes the following highways...
 New Jersey Turnpike between exits 3 and 6A.
 Pennsylvania Turnpike between mile markers 354 and 359.
 Interstate 95 in Pennsylvania between mile markers 14 and 40.
 Interstate 76 in Pennsylvania between mile markers 341 and 351.
 Interstate 76 in New Jersey between mile markers 0 and 3.
 Interstate 295 in New Jersey between mile markers 21 and 54.
 Interstate 676 in Pennsylvania between mile markers 0 and 1.
 Interstate 676 in New Jersey between mile markers 0 and 4.
 Atlantic City Expressway between mile markers 42 and 44.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3971 7513 3996 7528 4019 7481 3992 7458
TIME...MOT...LOC 0832Z 236DEG 27KT 3990 7514 

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

$$

Fitzsimmons
1 follow-up statement
842 
WWUS51 KPHI 090850
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
450 AM EDT Thu Jun 9 2022

NJC015-PAC045-090859-
/O.CAN.KPHI.SV.W.0084.000000T0000Z-220609T0915Z/
Gloucester NJ-Delaware PA-
450 AM EDT Thu Jun 9 2022

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL GLOUCESTER AND
EAST CENTRAL DELAWARE COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3979 7499 4002 7511 4018 7481 4013 7476
      3992 7458
TIME...MOT...LOC 0849Z 253DEG 34KT 3996 7494 

$$

NJC005-007-PAC017-101-090915-
/O.CON.KPHI.SV.W.0084.000000T0000Z-220609T0915Z/
Camden NJ-Burlington NJ-Bucks PA-Philadelphia PA-
450 AM EDT Thu Jun 9 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 AM EDT
FOR NORTHWESTERN CAMDEN...NORTHWESTERN BURLINGTON...SOUTHEASTERN
BUCKS AND EAST CENTRAL PHILADELPHIA COUNTIES...

At 449 AM EDT, a severe thunderstorm was located over Mount Laurel, 
or 9 miles east of Camden, moving east at 40 mph. This storm 
produced a wind gust of 54 mph at Philadelphia International 
Airport. 

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Philadelphia, Camden, Cherry Hill, Bensalem, Evesham, Mount Laurel,
Willingboro, Voorhees, Medford, Lindenwold, Lumberton, Florence,
Burlington, Bristol, Mount Holly, Riverside, Berlin, Palmyra,
Magnolia and Beverly.

This includes the following highways...
 New Jersey Turnpike between exits 4 and 6A.
 Pennsylvania Turnpike between mile markers 355 and 359.
 Interstate 95 in Pennsylvania between mile markers 26 and 40.
 Interstate 295 in New Jersey between mile markers 31 and 54.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3979 7499 4002 7511 4018 7481 4013 7476
      3992 7458
TIME...MOT...LOC 0849Z 253DEG 34KT 3996 7494 

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

$$

Fitzsimmons

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 12:21 AM EDTAreal Flood AdvisoryPHIBucks, Chester, Delaware, Montgomery, Philadelphia6 hr
Jun 9, 4:21 AM EDTFlash Flood WarningPHIDelaware, Montgomery, Philadelphia2 hr
Jun 9, 4:46 AM EDTSpecial Marine WarningPHI44 min
Jun 9, 5:12 AM EDTSevere Thunderstorm WarningPHIBurlington, Ocean48 min
Jun 9, 5:21 AM EDTSpecial Marine WarningPHI54 min
Jun 9, 5:24 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cape May, Ocean51 min
Jun 9, 5:38 AM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean37 min
Jun 9, 5:41 AM EDTSpecial Marine WarningPHI64 min
Jun 9, 6:14 AM EDTSpecial Marine WarningPHI46 min

Nearby

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