Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 134, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 3, 2025, 3:23 PM EDT for 4 counties in Pennsylvania. It was in force for 26 min. 1 report 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
- Jul 3, 2025, 3:23 PM EDT (19:23 UTC)
- Expired
- Jul 3, 2025, 3:49 PM EDT
- In force
- 26 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Berks County, PA, Bucks County, PA, Lehigh County, PA, Montgomery County, PA
The radar
The Philadelphia radar (KDIX), 122 km from the middle of the area, began a volume at 19:23 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 |
|---|---|---|---|
| Jul 3, 3:23 PM EDT | HAIL 0.25 | Kutztown, PA | Pea-sized hail in Kutztown, time given in report. |
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 |
|---|---|---|---|
| Jul 3, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.4 hours before the alert went out and 223 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
- 77 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 1426 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
042
WUUS51 KPHI 031923
SVRPHI
PAC011-017-077-091-032000-
/O.NEW.KPHI.SV.W.0134.250703T1923Z-250703T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
323 PM EDT Thu Jul 3 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Berks County in eastern Pennsylvania...
Southeastern Lehigh County in eastern Pennsylvania...
Northwestern Montgomery County in southeastern Pennsylvania...
West central Bucks County in southeastern Pennsylvania...
* Until 400 PM EDT.
* At 323 PM EDT, a severe thunderstorm was located over Topton, or 14
miles northeast of Reading, moving southeast at 25 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...
Emmaus, Kutztown, Fleetwood, East Greenville, Topton, Bally,
Bechtelsville, Green Lane, Lyons, Zionsville, Geryville, Ancient
Oaks, Pennsburg, Macungie, Coopersburg, Red Hill, and Alburtis.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
&&
LAT...LON 4047 7588 4058 7581 4051 7534 4028 7549
TIME...MOT...LOC 1923Z 292DEG 22KT 4048 7572
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gorse2 follow-up statements
488
WWUS51 KPHI 031937
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
337 PM EDT Thu Jul 3 2025
PAC011-017-077-091-032000-
/O.CON.KPHI.SV.W.0134.000000T0000Z-250703T2000Z/
Berks PA-Lehigh PA-Montgomery PA-Bucks PA-
337 PM EDT Thu Jul 3 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR EAST CENTRAL BERKS...SOUTHEASTERN LEHIGH...NORTHWESTERN
MONTGOMERY AND WEST CENTRAL BUCKS COUNTIES...
At 336 PM EDT, a severe thunderstorm was located near Bally, or 12
miles southwest of Allentown, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Emmaus, East Greenville, Topton, Bally, Green Lane, Lyons,
Zionsville, Geryville, Ancient Oaks, Pennsburg, Macungie,
Coopersburg, Red Hill, and Alburtis.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4046 7578 4054 7569 4051 7534 4031 7548
TIME...MOT...LOC 1936Z 290DEG 22KT 4046 7562
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gorse189 WWUS51 KPHI 031949 SVSPHI Severe Weather Statement National Weather Service Mount Holly NJ 349 PM EDT Thu Jul 3 2025 PAC011-017-077-091-031959- /O.CAN.KPHI.SV.W.0134.000000T0000Z-250703T2000Z/ Berks PA-Lehigh PA-Montgomery PA-Bucks PA- 349 PM EDT Thu Jul 3 2025 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BERKS... SOUTHEASTERN LEHIGH...NORTHWESTERN MONTGOMERY AND WEST CENTRAL BUCKS COUNTIES IS CANCELLED... 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 has been cancelled. However gusty winds are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for eastern Pennsylvania. LAT...LON 4046 7578 4054 7569 4051 7534 4031 7548 TIME...MOT...LOC 1948Z 292DEG 22KT 4043 7552 $$ Gorse
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 2:38 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 21 min |
| Jul 3, 3:35 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 40 min |
| Jul 3, 3:56 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 49 min |
| Jul 3, 4:41 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Carbon, Lehigh, Monroe, Northampton | 49 min |
| Jul 3, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 48 min |
| Jul 3, 5:56 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Northampton | 49 min |
| Jul 3, 6:11 PM EDT | Flash Flood Warning | PHI | Carbon, Lehigh, Northampton | 4 hr |
| Jul 3, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 34 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2025Every severe thunderstorm warning in 2025
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.