Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 91, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 26, 2025, 3:48 PM EDT for Berks County, Lehigh County, Pennsylvania. It was in force for 42 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
- Jun 26, 2025, 3:48 PM EDT (19:48 UTC)
- Expired
- Jun 26, 2025, 4:30 PM EDT
- In force
- 42 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Berks County, PA, Lehigh County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 26, 4:40 PM EDT | TSTM WND DMG | Richmond Twp, PA | Wires down. Time estimated from radar. |
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 |
|---|---|---|---|
| Jun 26, 2:20 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.8 hours before the alert went out and 222 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
- 437 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 1094 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
177
WUUS51 KPHI 261948
SVRPHI
PAC011-077-262030-
/O.NEW.KPHI.SV.W.0091.250626T1948Z-250626T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
348 PM EDT Thu Jun 26 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Berks County in eastern Pennsylvania...
West central Lehigh County in eastern Pennsylvania...
* Until 430 PM EDT.
* At 348 PM EDT, a severe thunderstorm was located near McKeansburg,
or 10 miles east of Schuylkill Haven, moving southeast at 15 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...
Kutztown, Hamburg, Fleetwood, Lenhartsville, and Wanamakers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4060 7600 4063 7600 4065 7598 4070 7584
4059 7567 4043 7586 4057 7602
TIME...MOT...LOC 1948Z 308DEG 15KT 4064 7598
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DeSilva2 follow-up statements
396
WWUS51 KPHI 262022
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
422 PM EDT Thu Jun 26 2025
PAC011-077-262030-
/O.CON.KPHI.SV.W.0091.000000T0000Z-250626T2030Z/
Berks PA-Lehigh PA-
422 PM EDT Thu Jun 26 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTH CENTRAL BERKS AND WEST CENTRAL LEHIGH COUNTIES...
At 422 PM EDT, a severe thunderstorm was located over Lenhartsville,
or 15 miles north of Reading, moving southeast at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Kutztown and Lenhartsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4064 7597 4065 7591 4066 7583 4059 7571
4046 7586 4058 7599
TIME...MOT...LOC 2022Z 317DEG 16KT 4056 7586
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DeSilva456
WWUS51 KPHI 262034
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
434 PM EDT Thu Jun 26 2025
PAC011-077-262043-
/O.EXP.KPHI.SV.W.0091.000000T0000Z-250626T2030Z/
Berks PA-Lehigh PA-
434 PM EDT Thu Jun 26 2025
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BERKS AND WEST
CENTRAL LEHIGH COUNTIES HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
eastern Pennsylvania.
Remember, a Severe Thunderstorm Warning still remains in effect for
Berks and Lehigh County until 515 PM!
LAT...LON 4064 7597 4065 7591 4066 7583 4059 7571
4046 7586 4058 7599
TIME...MOT...LOC 2033Z 308DEG 15KT 4054 7582
$$
DeSilvaThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 12:24 PM EDT | Flood Watch | PHI | Berks, Carbon, Chester, Lehigh | 11 hr |
| Jun 26, 4:20 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 40 min |
| Jun 26, 4:31 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 44 min |
| Jun 26, 5:45 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 45 min |
| Jun 26, 6:21 PM EDT | Flash Flood Warning | PHI | Berks | 2 hr |
| Jun 26, 6:29 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Delaware, Montgomery | 46 min |
| Jun 26, 6:49 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 4 hr |
| Jun 26, 6:54 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 36 min |
| Jun 26, 7:14 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 46 min |
| Jun 26, 7:27 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 4 hr |
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.