Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 138, NWS Philadelphia/Mount Holly

July 25, 2022Burlington County, Camden County, New Jersey; Bucks County, Montgomery County, Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 25, 2022, 4:00 PM EDT for Burlington County, Camden County, New Jersey; Bucks County, Montgomery County, Philadelphia County, Pennsylvania. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 25, 2022, 4:00 PM EDT (20:00 UTC)
Expired: Jul 25, 2022, 4:45 PM EDT
In force: 45 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Burlington County, NJ, Camden County, NJ, Bucks County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 33 km from the middle of the area, began a volume at 19:59 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 25, 1:46 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.0 hours before the alert went out and 185 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: 1916 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 1074 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 166 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 6.4

Open this sounding in Storm Lab

The text

As transmitted.

245 
WUUS51 KPHI 252000
SVRPHI
NJC005-007-PAC017-091-101-252045-
/O.NEW.KPHI.SV.W.0138.220725T2000Z-220725T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
400 PM EDT Mon Jul 25 2022

The National Weather Service in Mount Holly NJ has issued a

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

* Until 445 PM EDT.

* At 400 PM EDT, a severe thunderstorm was located over Wissinoming,
  or over Philadelphia, moving east at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Wind damage to 
           roofs, siding, trees, and power lines is possible.

* Locations impacted include...
  Philadelphia, Camden, Bensalem, Mount Laurel, Willingboro, Medford,
  Lumberton, Florence, Burlington, Bristol, Mount Holly, Riverside,
  Palmyra, Jenkintown, Bordentown, Beverly, Rockledge, Tullytown,
  Pemberton and Wrightstown.

This includes the following highways...
 New Jersey Turnpike between exits 4 and 7A.
 Pennsylvania Turnpike between mile markers 351 and 359.
 Interstate 95 in Pennsylvania between mile markers 21 and 40.
 Interstate 76 in Pennsylvania between mile markers 343 and 344.
 Interstate 295 in New Jersey between mile markers 36 and 57.
 Interstate 676 in Pennsylvania between mile markers 0 and 1.
 Interstate 676 in New Jersey between mile markers 3 and 4.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3985 7459 3995 7520 4011 7518 4017 7473
      4015 7472 4017 7470 4017 7468 4013 7458
TIME...MOT...LOC 2000Z 270DEG 30KT 4001 7509 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Iovino

1 follow-up statement

826 
WWUS51 KPHI 252019
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
419 PM EDT Mon Jul 25 2022

PAC017-091-101-252028-
/O.CAN.KPHI.SV.W.0138.000000T0000Z-220725T2045Z/
Montgomery PA-Bucks PA-Philadelphia PA-
419 PM EDT Mon Jul 25 2022

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MONTGOMERY...
SOUTHEASTERN BUCKS AND PHILADELPHIA 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 1000 PM EDT for
southern and central New Jersey...and southeastern Pennsylvania.

LAT...LON 3985 7459 3993 7503 4002 7502 4007 7494
      4008 7487 4010 7484 4013 7482 4012 7478
      4014 7474 4017 7470 4017 7468 4013 7458
TIME...MOT...LOC 2018Z 270DEG 30KT 4001 7489 

$$

NJC005-007-252045-
/O.CON.KPHI.SV.W.0138.000000T0000Z-220725T2045Z/
Camden NJ-Burlington NJ-
419 PM EDT Mon Jul 25 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTH CENTRAL CAMDEN AND NORTHWESTERN BURLINGTON COUNTIES...

At 418 PM EDT, a severe thunderstorm was located over Willingboro, or
12 miles northeast of Camden, moving east at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Mount Laurel, Willingboro, Medford, Lumberton, Florence, Burlington,
Bristol, Mount Holly, Riverside, Palmyra, Bordentown, Beverly,
Tullytown, Pemberton, Wrightstown, Ramblewood, Florence-Roebling,
Cherry Hill Mall, Leisuretowne and Jacksonville.

This includes the following highways...
 New Jersey Turnpike between exits 4 and 7A.
 Interstate 295 in New Jersey between mile markers 36 and 58.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3985 7459 3993 7503 4002 7502 4007 7494
      4008 7487 4010 7484 4013 7482 4012 7478
      4014 7474 4017 7470 4017 7468 4013 7458
TIME...MOT...LOC 2018Z 270DEG 30KT 4001 7489 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Iovino

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 8:37 PM EDT	Severe Thunderstorm Warning	PHI	Sussex, Warren	53 min
Jul 25, 12:08 PM EDT	Special Weather Statement	PHI	Morris	22 min
Jul 25, 3:14 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington	46 min
Jul 25, 3:42 PM EDT	Special Marine Warning	PHI		63 min
Jul 25, 4:24 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	51 min
Jul 25, 4:30 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	90 min
Jul 25, 5:28 PM EDT	Special Marine Warning	PHI		62 min
Jul 25, 7:28 PM EDT	Special Weather Statement	PHI	Atlantic	32 min
Jul 25, 7:33 PM EDT	Special Marine Warning	PHI		87 min
Jul 25, 7:48 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Ocean	94 min
Jul 24, 8:14 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	26 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.