Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 301, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 7, 2023, 1:10 PM EDT for Berks County, Lehigh County, Pennsylvania. It was in force for 33 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
- Sep 7, 2023, 1:10 PM EDT (17:10 UTC)
- Expired
- Sep 7, 2023, 1:43 PM EDT
- In force
- 33 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
The radar
The Philadelphia radar (KDIX), 131 km from the middle of the area, began a volume at 17:11 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 |
|---|---|---|---|
| Sep 7, 1:17 PM EDT | HAIL 1 | 1 Ssw Kutztown, PA | Trained Spotter reports quarter sized hail with dime size mixing in on Kutztown University campus. |
| Sep 7, 1:25 PM EDT | HAIL 1.25 | Kutztown, PA | Trained Spotter reports 1.25 inch hail in Kutztown. |
| Sep 7, 1:40 PM EDT | HAIL 0.75 | 3 Ne Kutztown, PA | Report from mPING: Dime (0.75 in.). |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 5.2 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
- 2091 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1114 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
044
WUUS51 KPHI 071710
SVRPHI
PAC011-077-071800-
/O.NEW.KPHI.SV.W.0301.230907T1710Z-230907T1800Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
110 PM EDT Thu Sep 7 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Berks County in eastern Pennsylvania...
South central Lehigh County in eastern Pennsylvania...
* Until 200 PM EDT.
* At 110 PM EDT, a severe thunderstorm was located over Kutztown, or
13 miles northeast of Reading, moving northeast at 5 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, Fleetwood, Topton, Lyons and Alburtis.
This includes Interstate 78 in Pennsylvania between mile markers 38
and 44.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4043 7576 4050 7589 4064 7585 4051 7560
TIME...MOT...LOC 1710Z 213DEG 6KT 4051 7580
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Wunderlin2 follow-up statements
728
WWUS51 KPHI 071726
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
126 PM EDT Thu Sep 7 2023
PAC077-071735-
/O.CAN.KPHI.SV.W.0301.000000T0000Z-230907T1800Z/
Lehigh PA-
126 PM EDT Thu Sep 7 2023
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL LEHIGH COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
eastern Pennsylvania.
LAT...LON 4061 7579 4058 7574 4053 7566 4052 7566
4047 7578 4052 7587
TIME...MOT...LOC 1725Z 213DEG 6KT 4053 7578
$$
PAC011-071800-
/O.CON.KPHI.SV.W.0301.000000T0000Z-230907T1800Z/
Berks PA-
126 PM EDT Thu Sep 7 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM EDT
FOR NORTHEASTERN BERKS COUNTY...
At 125 PM EDT, a severe thunderstorm was located over Kutztown, or 15
miles northeast of Reading, moving northeast at 5 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, Topton and Lyons.
This includes Interstate 78 in Pennsylvania between mile markers 41
and 44.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 4061 7579 4058 7574 4053 7566 4052 7566
4047 7578 4052 7587
TIME...MOT...LOC 1725Z 213DEG 6KT 4053 7578
HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Wunderlin733
WWUS51 KPHI 071743
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
143 PM EDT Thu Sep 7 2023
PAC011-071752-
/O.CAN.KPHI.SV.W.0301.000000T0000Z-230907T1800Z/
Berks PA-
143 PM EDT Thu Sep 7 2023
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BERKS COUNTY IS
CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
eastern Pennsylvania.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
Remember, a Severe Thunderstorm Warning still remains in effect for
northeast Berks county until 230 PM!
LAT...LON 4061 7579 4058 7574 4053 7566 4052 7566
4047 7578 4052 7587
TIME...MOT...LOC 1738Z 213DEG 6KT 4055 7576
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 1:38 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 19 min |
| Sep 7, 2:10 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 50 min |
| Sep 7, 2:13 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 47 min |
| Sep 7, 2:52 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 24 min |
| Sep 7, 4:35 PM EDT | Special Weather Statement | PHI | Berks | 25 min |
| Sep 7, 4:47 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh | 43 min |
| Sep 7, 5:17 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe | 43 min |
| Sep 7, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 31 min |
| Sep 7, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 41 min |
| Sep 7, 5:44 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Lehigh, Montgomery, Northampton | 46 min |
| Sep 7, 5:48 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 42 min |
| Sep 7, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Monroe, Northampton | 34 min |
| Sep 7, 6:06 PM EDT | Special Weather Statement | PHI | Bucks, Montgomery | 24 min |
| Sep 7, 6:18 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 42 min |
| Sep 7, 6:24 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Monroe, Northampton | 24 min |
| Sep 7, 7:00 PM EDT | Special Weather Statement | PHI | Montgomery | 30 min |
| Sep 7, 7:36 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 39 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2023Every severe thunderstorm warning in 2023
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.