Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 100, NWS Philadelphia/Mount Holly

July 1, 2022Berks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 1, 2022, 4:56 PM EDT for Berks County, Pennsylvania. It was in force for 32 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 1, 2022, 4:56 PM EDT (20:56 UTC)
Expired
Jul 1, 2022, 5:28 PM EDT
In force
32 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Berks County, PA

The radar

The Philadelphia radar (KDIX), 152 km from the middle of the area, began a volume at 20:58 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 8.9 hours before the alert went out and 215 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.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2022-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 447 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2022-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
447 J/kg
Mixed-layer CIN
-157 J/kg
Mixed-layer LCL
1260 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

245 
WUUS51 KPHI 012056
SVRPHI
PAC011-012145-
/O.NEW.KPHI.SV.W.0100.220701T2056Z-220701T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
456 PM EDT Fri Jul 1 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  North central Berks County in eastern Pennsylvania...

* Until 545 PM EDT.

* At 456 PM EDT, a severe thunderstorm was located near Strausstown,
  or near Schuylkill Haven, moving east 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, Hamburg, Fleetwood, Leesport, Shoemakersville, Bernville,
  Strausstown, Lenhartsville, Fairview Hgts and Centerport.

This includes Interstate 78 in Pennsylvania between mile markers 19
and 41.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4056 7609 4058 7606 4057 7602 4065 7598
      4066 7586 4061 7579 4041 7579 4044 7620
      4053 7621
TIME...MOT...LOC 2056Z 268DEG 19KT 4054 7612 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RCM
2 follow-up statements
908 
WWUS51 KPHI 012116
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
516 PM EDT Fri Jul 1 2022

PAC011-012145-
/O.CON.KPHI.SV.W.0100.000000T0000Z-220701T2145Z/
Berks PA-
516 PM EDT Fri Jul 1 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTH CENTRAL BERKS COUNTY...

At 516 PM EDT, a severe thunderstorm was located over Hamburg, or 11
miles southeast of Schuylkill Haven, moving east 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, Hamburg, Fleetwood, Leesport, Shoemakersville,
Lenhartsville and Centerport.

This includes Interstate 78 in Pennsylvania between mile markers 29
and 41.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4056 7604 4057 7602 4065 7598 4066 7586
      4061 7579 4041 7579 4044 7601 4054 7604
TIME...MOT...LOC 2116Z 268DEG 19KT 4054 7600 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RCM
863 
WWUS51 KPHI 012128
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
528 PM EDT Fri Jul 1 2022

PAC011-012137-
/O.CAN.KPHI.SV.W.0100.000000T0000Z-220701T2145Z/
Berks PA-
528 PM EDT Fri Jul 1 2022

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BERKS COUNTY 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.

LAT...LON 4056 7604 4057 7602 4065 7598 4066 7586
      4061 7579 4041 7579 4044 7601 4054 7604
TIME...MOT...LOC 2126Z 268DEG 19KT 4054 7592 

$$

RCM

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 1, 2:04 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh20 min
Jul 1, 2:18 PM EDTSevere Thunderstorm WarningPHIBerks, Chester25 min
Jul 1, 3:38 PM EDTSevere Thunderstorm WarningPHIBerks18 min
Jul 1, 3:44 PM EDTSevere Thunderstorm WarningPHIChester46 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2022Every severe thunderstorm warning in 2022

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.