Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 276, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 7, 2026, 2:58 PM EDT for Berks County, Lehigh County, Pennsylvania. It was in force for 62 min. 3 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
- Aug 7, 2026, 2:58 PM EDT (18:58 UTC)
- Expired
- Aug 7, 2026, 4:00 PM EDT
- In force
- 62 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Berks County, PA, Lehigh County, PA
The radar
The Philadelphia radar (KDIX), 156 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 |
|---|---|---|---|
| Aug 7, 3:25 PM EDT | TSTM WND DMG | Hamburg, PA | Tree down blocking the road at the intersection of Williams Street and Port Clinton Ave. Time estimated from radar. |
| Aug 7, 3:29 PM EDT | TSTM WND DMG | 2 Nw Bernville, PA | Tree down. Time estimated from radar. |
| Aug 7, 3:44 PM EDT | TSTM WND DMG | Windsor Twp., PA | Tree 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 |
|---|---|---|---|
| Aug 7, 1:22 PM EDT | Severe Thunderstorm 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 211 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
- 514 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 1052 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
169
WUUS51 KPHI 071858
SVRPHI
PAC011-077-072000-
/O.NEW.KPHI.SV.W.0276.260807T1858Z-260807T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
258 PM EDT Fri Aug 7 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northern Berks County in eastern Pennsylvania...
Southwestern Lehigh County in eastern Pennsylvania...
* Until 400 PM EDT.
* At 258 PM EDT, severe thunderstorms were located along a line
extending from New Boston-Morea to near Schuylkill Haven to near
Bernville, moving northeast at 20 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Kutztown, Hamburg, Fleetwood, Laureldale, Womelsdorf, Topton,
Robesonia, Leesport, Shoemakersville, Bernville, Lyons,
Strausstown, Lenhartsville, Fairview Hgts, Wanamakers, New Tripoli,
Alburtis, and Centerport.
This includes Interstate 78 in Pennsylvania between mile markers 11
and 48.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to hail and damaging winds, frequent cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
&&
LAT...LON 4052 7633 4052 7625 4054 7617 4055 7614
4056 7609 4058 7606 4057 7602 4065 7598
4072 7579 4066 7573 4045 7555 4034 7618
4045 7636
TIME...MOT...LOC 1858Z 246DEG 17KT 4080 7619 4060 7614 4043 7618
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gorse4 follow-up statements
667
WWUS51 KPHI 071913
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
313 PM EDT Fri Aug 7 2026
PAC011-077-072000-
/O.CON.KPHI.SV.W.0276.000000T0000Z-260807T2000Z/
Berks PA-Lehigh PA-
313 PM EDT Fri Aug 7 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTHERN BERKS AND SOUTHWESTERN LEHIGH COUNTIES...
At 312 PM EDT, severe thunderstorms were located along a line
extending from Tuscarora to near Hamburg to near Richland, moving
east at 20 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Kutztown, Hamburg, Fleetwood, Laureldale, Womelsdorf, Topton,
Robesonia, Leesport, Shoemakersville, Bernville, Lyons, Strausstown,
Lenhartsville, Fairview Hgts, Wanamakers, New Tripoli, Alburtis, and
Centerport.
This includes Interstate 78 in Pennsylvania between mile markers 15
and 48.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 4052 7625 4054 7617 4055 7614 4056 7609
4058 7606 4057 7602 4065 7598 4072 7579
4066 7573 4045 7555 4034 7618 4043 7632
TIME...MOT...LOC 1912Z 249DEG 17KT 4078 7606 4054 7606 4039 7623
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gorse949
WWUS51 KPHI 071938
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
338 PM EDT Fri Aug 7 2026
PAC011-077-072000-
/O.CON.KPHI.SV.W.0276.000000T0000Z-260807T2000Z/
Berks PA-Lehigh PA-
338 PM EDT Fri Aug 7 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTHERN BERKS AND SOUTHWESTERN LEHIGH COUNTIES...
At 337 PM EDT, a severe thunderstorm was located near Kutztown, or 14
miles north of Reading, moving east at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Kutztown, Hamburg, Fleetwood, Laureldale, Womelsdorf, Topton,
Robesonia, Leesport, Shoemakersville, Bernville, Lyons,
Lenhartsville, Fairview Hgts, Wanamakers, New Tripoli, Alburtis, and
Centerport.
This includes Interstate 78 in Pennsylvania between mile markers 22
and 48.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
&&
LAT...LON 4056 7609 4058 7606 4057 7602 4065 7598
4072 7579 4066 7573 4045 7555 4034 7618
4040 7628
TIME...MOT...LOC 1937Z 248DEG 17KT 4053 7584
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gorse315
WWUS51 KPHI 071945
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
345 PM EDT Fri Aug 7 2026
PAC011-077-072000-
/O.CON.KPHI.SV.W.0276.000000T0000Z-260807T2000Z/
Berks PA-Lehigh PA-
345 PM EDT Fri Aug 7 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTHEASTERN BERKS AND SOUTHWESTERN LEHIGH COUNTIES...
At 345 PM EDT, a severe thunderstorm was located over Kutztown, or 15
miles northeast of Reading, moving northeast at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Kutztown, Hamburg, Fleetwood, Topton, Leesport, Shoemakersville,
Lyons, Lenhartsville, Wanamakers, New Tripoli, Alburtis, and
Centerport.
This includes Interstate 78 in Pennsylvania between mile markers 30
and 48.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
&&
LAT...LON 4057 7602 4065 7598 4072 7579 4066 7573
4045 7555 4044 7603
TIME...MOT...LOC 1945Z 246DEG 17KT 4055 7579
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gorse909
WWUS51 KPHI 071952
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
352 PM EDT Fri Aug 7 2026
PAC011-077-072002-
/O.EXP.KPHI.SV.W.0276.000000T0000Z-260807T2000Z/
Berks PA-Lehigh PA-
352 PM EDT Fri Aug 7 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BERKS AND
SOUTHWESTERN LEHIGH COUNTIES WILL EXPIRE AT 400 PM EDT...
The storm which prompted the warning is moving out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
eastern Pennsylvania.
LAT...LON 4057 7602 4065 7598 4072 7579 4066 7573
4045 7555 4044 7603
TIME...MOT...LOC 1952Z 246DEG 17KT 4056 7575
$$
GorseThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 2:38 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 50 min |
| Aug 7, 2:53 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 67 min |
| Aug 7, 3:16 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 44 min |
| Aug 7, 3:25 PM EDT | Flash Flood Warning | PHI | Berks | 3 hr |
| Aug 7, 3:25 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 65 min |
| Aug 7, 3:37 PM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 3 hr |
| Aug 7, 4:04 PM EDT | Flash Flood Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 2 hr |
| Aug 7, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Monroe, Northampton | 54 min |
| Aug 7, 4:24 PM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 4 hr |
| Aug 7, 4:50 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 55 min |
| Aug 7, 4:56 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 64 min |
| Aug 7, 5:01 PM EDT | Flash Flood Warning | PHI | Bucks, Lehigh, Northampton | 3 hr |
| Aug 7, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 44 min |
| Aug 7, 5:34 PM EDT | Flash Flood Warning | PHI | Bucks | 3 hr |
| Aug 7, 7:19 PM EDT | Areal Flood Warning | PHI | Monroe, Northampton | 4 hr |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.