Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 50, NWS Philadelphia/Mount Holly

May 22, 2022Berks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 22, 2022, 4:08 PM EDT for Berks County, Pennsylvania. It was in force for 52 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
May 22, 2022, 4:08 PM EDT (20:08 UTC)
Expired
May 22, 2022, 5:00 PM EDT
In force
52 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 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 20:10 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

TimeReportWhereRemark
May 22, 4:45 PM EDTTSTM WND DMGMaiden Creek, PATREE DOWN ACROSS ROAD.
May 22, 4:56 PM EDTTSTM WND DMG2 Ssw Union Twp, PANUMEROUS TREE LIMBS, SOME AS LARGE AS APPROXIMATELY 6 TO 12 INCHES IN DIAMETER, DOWN ON COLORADO DRIVE IN BIRDSBORO. ONE LARGE TREE LIMB PARTIALLY LANDED ON A SHED. TIME ESTIMATED FROM RADAR.
May 22, 5:00 PM EDTTSTM WND DMGUnion Twp, PATREES AND WIRES DOWN.

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.

IssuedProductOfficeLasted
May 22, 1:53 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 8.1 hours before the alert went out and 197 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 2022-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 212 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 2022-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
212 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
1294 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

213 
WUUS51 KPHI 222008
SVRPHI
PAC011-222100-
/O.NEW.KPHI.SV.W.0050.220522T2008Z-220522T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
408 PM EDT Sun May 22 2022

The National Weather Service in Mount Holly NJ has issued a

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

* Until 500 PM EDT.

* At 408 PM EDT, severe thunderstorms were located along a line
  extending from near Fredericksburg to near Avon to Mount Joy,
  moving east at 40 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...
  Reading, Wyomissing, Birdsboro, Kutztown, Hamburg, Fleetwood,
  Sinking Spring, Laureldale, Womelsdorf, Wernersville, Robesonia,
  Leesport, Shoemakersville, Elverson, Bernville, Lyons, Strausstown,
  Lenhartsville, New Morgan and Spring Ridge.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 296 and 300.
 Interstate 78 in Pennsylvania between mile markers 10 and 43.
 Interstate 176 in Pennsylvania between mile markers 1 and 11.

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 7634 4052 7625 4057 7607 4059 7576
      4039 7575 4020 7576 4014 7587 4031 7614
      4036 7621 4037 7623 4049 7643
TIME...MOT...LOC 2008Z 267DEG 33KT 4046 7640 4038 7637 4012 7649 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gorse
2 follow-up statements
764 
WWUS51 KPHI 222028
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
428 PM EDT Sun May 22 2022

PAC011-222100-
/O.CON.KPHI.SV.W.0050.000000T0000Z-220522T2100Z/
Berks PA-
428 PM EDT Sun May 22 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR BERKS COUNTY...

At 428 PM EDT, a severe thunderstorm was located over Bernville, or
10 miles east of Myerstown, moving east at 40 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...
Reading, Wyomissing, Birdsboro, Kutztown, Hamburg, Fleetwood, Sinking
Spring, Laureldale, Womelsdorf, Wernersville, Robesonia, Leesport,
Shoemakersville, Elverson, Bernville, Lyons, Strausstown,
Lenhartsville, New Morgan and Spring Ridge.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 296 and 300.
 Interstate 78 in Pennsylvania between mile markers 11 and 43.
 Interstate 176 in Pennsylvania between mile markers 1 and 11.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 4052 7634 4052 7625 4057 7607 4059 7576
      4039 7575 4020 7576 4014 7587 4031 7614
      4036 7621 4037 7623 4045 7636
TIME...MOT...LOC 2028Z 267DEG 34KT 4042 7612 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gorse
255 
WWUS51 KPHI 222038
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
438 PM EDT Sun May 22 2022

PAC011-222100-
/O.CON.KPHI.SV.W.0050.000000T0000Z-220522T2100Z/
Berks PA-
438 PM EDT Sun May 22 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR BERKS COUNTY...

At 438 PM EDT, a severe thunderstorm was located over Leesport, or 7
miles north of Reading, moving east at 40 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...
Reading, Wyomissing, Birdsboro, Kutztown, Hamburg, Fleetwood, Sinking
Spring, Laureldale, Womelsdorf, Wernersville, Robesonia, Leesport,
Shoemakersville, Elverson, Bernville, Lyons, Lenhartsville, New
Morgan, Spring Ridge and Fairview Hgts.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 296 and 300.
 Interstate 78 in Pennsylvania between mile markers 25 and 43.
 Interstate 176 in Pennsylvania between mile markers 1 and 11.

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 7607 4059 7576 4039 7575 4020 7576
      4014 7587 4031 7614 4036 7621
TIME...MOT...LOC 2038Z 263DEG 35KT 4045 7596 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gorse

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 4:34 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Montgomery56 min
May 22, 5:02 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Chester, Lehigh, Montgomery, Northampton58 min
May 22, 5:08 PM EDTSevere Thunderstorm WarningPHIChester, Montgomery52 min
May 22, 5:46 PM EDTSevere Thunderstorm WarningPHIBucks, Montgomery30 min
May 22, 5:55 PM EDTSevere Thunderstorm WarningPHIChester, Delaware41 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.