Alert archive / New Jersey / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 40, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 20, 2022, 3:00 PM EDT for Burlington County, Camden County, Gloucester County, New Jersey; Delaware County, Philadelphia County, Pennsylvania. It was in force for 31 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
- May 20, 2022, 3:00 PM EDT (19:00 UTC)
- Expired
- May 20, 2022, 3:31 PM EDT
- In force
- 31 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, Gloucester County, NJ, Delaware County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 70 km from the middle of the area, began a volume at 19:00 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 |
|---|---|---|---|
| May 20, 3:00 PM EDT | HAIL 1 | Upper Darby, PA | |
| May 20, 3:00 PM EDT | HAIL 1.5 | Folsom, PA | |
| May 20, 3:01 PM EDT | HAIL 0.88 | Secane, PA | |
| May 20, 3:02 PM EDT | HAIL 0.88 | Clifton Heights, PA | |
| May 20, 3:04 PM EDT | HAIL 0.75 | Morton, PA | REPORT FROM MPING: DIME (0.75 IN.). |
| May 20, 3:10 PM EDT | HAIL 0.75 | 1 Se Point Breeze, PA | REPORT FROM MPING: DIME (0.75 IN.). |
| May 20, 3:15 PM EDT | HAIL 0.7 | Camden, NJ | |
| May 20, 3:15 PM EDT | HAIL 0.75 | Camden, NJ | REPORT FROM MPING: DIME (0.75 IN.). |
| May 20, 3:15 PM EDT | HAIL 0.88 | 2 E South Philadelphia, PA | |
| May 20, 3:15 PM EDT | HAIL 1.25 | 1 Sse Point Breeze, PA | HAIL UP TO HALF DOLLAR SIZE IN SOUTH PHILLY. TIME ESTIMATED FROM RADAR. |
| May 20, 3:16 PM EDT | HAIL 1 | 2 Ese Point Breeze, PA | HAIL AROUND 1 INCH DIAMETER NEAR DICKINSON SQUARE PARK IN SOUTH PHILLY. |
| May 20, 3:20 PM EDT | HAIL 1 | 1 Sse Point Breeze, PA |
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 |
|---|---|---|---|
| May 20, 11:35 AM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.0 hours before the alert went out and 213 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.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- -226 J/kg
- Mixed-layer LCL
- 1469 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted.
699
WUUS51 KPHI 201900
SVRPHI
NJC005-007-015-PAC045-101-201945-
/O.NEW.KPHI.SV.W.0040.220520T1900Z-220520T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
300 PM EDT Fri May 20 2022
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Camden County in southern New Jersey...
Northwestern Gloucester County in southern New Jersey...
West central Burlington County in southern New Jersey...
Central Philadelphia County in southeastern Pennsylvania...
Southeastern Delaware County in southeastern Pennsylvania...
* Until 345 PM EDT.
* At 300 PM EDT, a severe thunderstorm was located over Swarthmore,
or 11 miles west of Gloucester City, moving east at 30 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, Gloucester City, Cherry Hill, Chester,
Deptford, Voorhees, West Deptford, Lindenwold, Bellmawr, Yeadon,
Woodbury, Palmyra, Folcroft, Swarthmore, Paulsboro, Magnolia,
Westville, Woodbury Heights and National Park.
This includes the following highways...
New Jersey Turnpike near exit 3.
Interstate 95 in Pennsylvania between mile markers 3 and 29.
Interstate 76 in Pennsylvania between mile markers 342 and 351.
Interstate 76 in New Jersey between mile markers 0 and 3.
Interstate 295 in New Jersey between mile markers 11 and 36.
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 6.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 PM EDT for southern New
Jersey...and southeastern Pennsylvania.
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.
A Tornado Watch remains in effect until 700 PM EDT for southern New
Jersey...and southeastern Pennsylvania.
&&
LAT...LON 3976 7538 3992 7544 4004 7503 3982 7489
TIME...MOT...LOC 1900Z 255DEG 24KT 3988 7533
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS3 follow-up statements
244
WWUS51 KPHI 201911
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
311 PM EDT Fri May 20 2022
NJC005-007-015-PAC045-101-201945-
/O.CON.KPHI.SV.W.0040.000000T0000Z-220520T1945Z/
Camden NJ-Gloucester NJ-Burlington NJ-Philadelphia PA-Delaware PA-
311 PM EDT Fri May 20 2022
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHWESTERN CAMDEN...NORTH CENTRAL GLOUCESTER...WEST CENTRAL
BURLINGTON...CENTRAL PHILADELPHIA AND EAST CENTRAL DELAWARE
COUNTIES...
At 311 PM EDT, a severe thunderstorm was located over South
Philadelphia, or near Gloucester City, moving east at 30 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Wind damage
to roofs, siding, trees, and power lines is possible.
Locations impacted include...
Philadelphia, Camden, Gloucester City, Cherry Hill, Deptford,
Voorhees, West Deptford, Lindenwold, Bellmawr, Yeadon, Woodbury,
Palmyra, Folcroft, Paulsboro, Magnolia, Westville, Woodbury Heights,
National Park, East Lansdowne and Brooklawn.
This includes the following highways...
New Jersey Turnpike near exit 3.
Interstate 95 in Pennsylvania between mile markers 10 and 29.
Interstate 76 in Pennsylvania between mile markers 342 and 351.
Interstate 76 in New Jersey between mile markers 0 and 3.
Interstate 295 in New Jersey between mile markers 17 and 37.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
Interstate 676 in New Jersey between mile markers 0 and 4.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 PM EDT for southern New
Jersey...and southeastern Pennsylvania.
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
&&
LAT...LON 3979 7526 3996 7531 4004 7503 3983 7489
TIME...MOT...LOC 1911Z 256DEG 28KT 3990 7519
HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS505
WWUS51 KPHI 201921
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
321 PM EDT Fri May 20 2022
PAC045-201930-
/O.CAN.KPHI.SV.W.0040.000000T0000Z-220520T1945Z/
Delaware PA-
321 PM EDT Fri May 20 2022
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL DELAWARE COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM EDT for southern New
Jersey...and southeastern Pennsylvania.
LAT...LON 3982 7512 3998 7522 3999 7519 4004 7503
3987 7492
TIME...MOT...LOC 1920Z 244DEG 33KT 3994 7508
$$
NJC005-007-015-PAC101-201945-
/O.CON.KPHI.SV.W.0040.000000T0000Z-220520T1945Z/
Camden NJ-Gloucester NJ-Burlington NJ-Philadelphia PA-
321 PM EDT Fri May 20 2022
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHWESTERN CAMDEN...NORTHERN GLOUCESTER...WEST CENTRAL
BURLINGTON AND CENTRAL PHILADELPHIA COUNTIES...
At 320 PM EDT, a severe thunderstorm was located over Camden, moving
northeast at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Philadelphia, Camden, Gloucester City, Cherry Hill, Bellmawr,
Palmyra, Magnolia, Westville, Brooklawn, Audubon Park, Wissinoming,
Barclay-Kingston, Center City, Cherry Hill Mall, Golden Triangle,
Tacony, Ashland, Springdale, Ben Franklin Bridge and Kensington.
This includes the following highways...
New Jersey Turnpike near exit 3.
Interstate 95 in Pennsylvania between mile markers 17 and 29.
Interstate 76 in Pennsylvania between mile markers 343 and 345, and
between mile markers 350 and 351.
Interstate 76 in New Jersey between mile markers 0 and 3.
Interstate 295 in New Jersey between mile markers 25 and 37.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
Interstate 676 in New Jersey between mile markers 0 and 4.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 PM EDT for southern New
Jersey...and southeastern Pennsylvania.
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
&&
LAT...LON 3982 7512 3998 7522 3999 7519 4004 7503
3987 7492
TIME...MOT...LOC 1920Z 244DEG 33KT 3994 7508
HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS935
WWUS51 KPHI 201931
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
331 PM EDT Fri May 20 2022
NJC005-007-015-PAC101-201941-
/O.CAN.KPHI.SV.W.0040.000000T0000Z-220520T1945Z/
Camden NJ-Gloucester NJ-Burlington NJ-Philadelphia PA-
331 PM EDT Fri May 20 2022
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CAMDEN...NORTHERN
GLOUCESTER...WEST CENTRAL BURLINGTON AND CENTRAL PHILADELPHIA
COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
A Tornado Watch remains in effect until 700 PM EDT for southern New
Jersey...and southeastern Pennsylvania.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 3982 7512 3998 7522 3999 7519 4004 7503
3987 7492
TIME...MOT...LOC 1929Z 255DEG 24KT 3996 7499
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 3:15 AM EDT | Heat Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more | 59 hr |
| May 20, 12:30 PM EDT | Marine Dense Fog Advisory | PHI | 6 hr | |
| May 20, 2:27 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester | 48 min |
| May 20, 3:05 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset | 29 min |
| May 20, 3:37 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 53 min |
| May 20, 3:41 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset, Warren | 49 min |
| May 20, 3:48 PM EDT | Special Weather Statement | PHI | Monmouth | 27 min |
| May 20, 3:52 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer | 3 hr |
| May 20, 3:55 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Sussex, Warren | 3 hr |
| May 20, 4:11 PM EDT | Special Weather Statement | PHI | Sussex | 34 min |
| May 20, 4:26 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Hunterdon, Mercer, Middlesex, Monmouth and 3 more | 3 hr |
| May 20, 4:32 PM EDT | Special Weather Statement | PHI | Mercer, Middlesex | 28 min |
| May 20, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Ocean | 42 min |
| May 20, 4:56 PM EDT | Special Weather Statement | PHI | Middlesex, Monmouth | 49 min |
| May 20, 5:11 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Ocean | 64 min |
| May 20, 5:15 PM EDT | Special Marine Warning | PHI | 45 min | |
| May 20, 5:20 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 27 min |
| May 20, 5:51 PM EDT | Special Marine Warning | PHI | 32 min | |
| May 20, 5:54 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 28 min |
| May 20, 1:45 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 45 min |
| May 20, 2:22 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 53 min |
| May 20, 2:30 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 45 min |
| May 20, 2:53 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Montgomery | 52 min |
| May 20, 3:10 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 50 min |
| May 20, 3:25 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 50 min |
| May 20, 3:28 PM EDT | Special Weather Statement | PHI | Philadelphia | 32 min |
| May 20, 5:37 PM EDT | Areal Flood Warning | PHI | Bucks, Montgomery | 68 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2022Severe Thunderstorm Warnings in Pennsylvania, 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.