Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 228, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 27, 2026, 2:57 PM EDT for Bucks County, Montgomery County, Philadelphia County, Pennsylvania; Burlington County, Camden County, New Jersey. It was in force for 48 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 27, 2026, 2:57 PM EDT (18:57 UTC)
- Expired
- Jul 27, 2026, 3:45 PM EDT
- In force
- 48 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, Bucks County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 53 km from the middle of the area, began a volume at 18:58 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 nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.0 hours before the alert went out and 203 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
- 199 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 928 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
224
WUUS51 KPHI 271857
SVRPHI
NJC005-007-PAC017-091-101-271945-
/O.NEW.KPHI.SV.W.0228.260727T1857Z-260727T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
257 PM EDT Mon Jul 27 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
North central Camden County in southern New Jersey...
Northwestern Burlington County in southern New Jersey...
East central Montgomery County in southeastern Pennsylvania...
South central Bucks County in southeastern Pennsylvania...
Northeastern Philadelphia County in southeastern Pennsylvania...
* Until 345 PM EDT.
* At 257 PM EDT, a severe thunderstorm was located over Riverside, or
8 miles east of Philadelphia, moving southeast at 10 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Philadelphia, Cherry Hill, Bensalem, Mount Laurel, Willingboro,
Burlington, Bristol, Riverside, Palmyra, Jenkintown, Beverly,
Rockledge, Abington, Bryn Athyn, Wissinoming, Ramblewood,
Feasterville-Trevose, Barclay-Kingston, Northeast Philadelphia, and
Cherry Hill Mall.
This includes the following highways...
New Jersey Turnpike between exits 4 and 5.
Pennsylvania Turnpike between mile markers 348 and 355.
Interstate 95 in Pennsylvania between mile markers 26 and 40.
Interstate 295 in New Jersey between mile markers 34 and 49.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4009 7518 4019 7497 4002 7475 3988 7498
TIME...MOT...LOC 1857Z 317DEG 10KT 4004 7497
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Guzzo2 follow-up statements
562
WWUS51 KPHI 271918
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
318 PM EDT Mon Jul 27 2026
NJC005-007-PAC017-091-101-271945-
/O.CON.KPHI.SV.W.0228.000000T0000Z-260727T1945Z/
Camden NJ-Burlington NJ-Montgomery PA-Bucks PA-Philadelphia PA-
318 PM EDT Mon Jul 27 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTH CENTRAL CAMDEN...NORTHWESTERN BURLINGTON...SOUTHEASTERN
MONTGOMERY...SOUTH CENTRAL BUCKS AND NORTHEASTERN PHILADELPHIA
COUNTIES...
At 317 PM EDT, a severe thunderstorm was located over Holmesburg, or
near Philadelphia, moving southeast at 10 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Philadelphia, Cherry Hill, Bensalem, Mount Laurel, Willingboro,
Burlington, Bristol, Riverside, Palmyra, Jenkintown, Beverly,
Rockledge, Bryn Athyn, Wissinoming, Ramblewood, Feasterville-Trevose,
Barclay-Kingston, Northeast Philadelphia, Cherry Hill Mall, and
Feasterville.
This includes the following highways...
New Jersey Turnpike between exits 4 and 5.
Pennsylvania Turnpike between mile markers 349 and 355.
Interstate 95 in Pennsylvania between mile markers 26 and 40.
Interstate 295 in New Jersey between mile markers 34 and 49.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4008 7517 4018 7496 4002 7475 3988 7498
TIME...MOT...LOC 1917Z 317DEG 9KT 4005 7504
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Guzzo246 WWUS51 KPHI 271936 RRA SVSPHI Severe Weather Statement National Weather Service Mount Holly NJ 336 PM EDT Mon Jul 27 2026 NJC005-007-PAC017-091-101-271946- /O.EXP.KPHI.SV.W.0228.000000T0000Z-260727T1945Z/ Camden NJ-Burlington NJ-Montgomery PA-Bucks PA-Philadelphia PA- 336 PM EDT Mon Jul 27 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CAMDEN... NORTHWESTERN BURLINGTON...SOUTHEASTERN MONTGOMERY...SOUTH CENTRAL BUCKS AND NORTHEASTERN PHILADELPHIA COUNTIES WILL EXPIRE AT 345 PM EDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. LAT...LON 4008 7517 4018 7496 4002 7475 3988 7498 TIME...MOT...LOC 1936Z 317DEG 10KT 4002 7500 $$ Guzzo
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 2:15 PM EDT | Flood Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 38 hr |
| Jul 27, 3:01 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 44 min |
| Jul 27, 3:41 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery, Philadelphia | 49 min |
| Jul 27, 3:50 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 40 min |
| Jul 27, 3:58 PM EDT | Flash Flood Warning | PHI | Delaware, Montgomery, Philadelphia | 3 hr |
| Jul 27, 5:25 PM EDT | Flash Flood Warning | PHI | Lehigh | 2 hr |
| Jul 27, 5:51 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 23 min |
| Jul 27, 2:13 AM EDT | Small Craft Advisory | PHI | 52 hr | |
| Jul 27, 3:50 AM EDT | Special Marine Warning | PHI | 85 min | |
| Jul 27, 1:57 PM EDT | Special Marine Warning | PHI | 44 min | |
| Jul 27, 4:21 PM EDT | Severe Thunderstorm Warning | PHI | Mercer | 39 min |
| Jul 27, 4:32 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 31 min |
| Jul 27, 4:38 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset | 24 min |
| Jul 27, 5:06 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 39 min |
| Jul 27, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden | 31 min |
| Jul 27, 5:43 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 27 min |
| Jul 27, 5:49 PM EDT | Flash Flood Warning | PHI | Middlesex | 3 hr |
| Jul 27, 6:06 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Gloucester | 39 min |
| Jul 27, 6:07 PM EDT | Flash Flood Warning | PHI | Atlantic | 4 hr |
| Jul 27, 6:28 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 47 min |
| Jul 27, 6:59 PM EDT | Flash Flood Warning | PHI | Gloucester | 2 hr |
| Jul 27, 7:12 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 15 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2026Severe Thunderstorm Warnings in New Jersey, 2026Every severe thunderstorm warning in 2026
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.