Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 31, NWS Philadelphia/Mount Holly

May 16, 2022Berks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 16, 2022, 2:28 PM EDT for Berks County, Pennsylvania. It was in force for 47 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
May 16, 2022, 2:28 PM EDT (18:28 UTC)
Expired
May 16, 2022, 3:15 PM EDT
In force
47 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), 145 km from the middle of the area, began a volume at 18:30 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 16, 1:33 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 6.5 hours before the alert went out and 213 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 2022-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 243 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 2022-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.193958Sfc1 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
243 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
780 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

319 
WUUS51 KPHI 161828
SVRPHI
PAC011-161915-
/O.NEW.KPHI.SV.W.0031.220516T1828Z-220516T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
228 PM EDT Mon May 16 2022

The National Weather Service in Mount Holly NJ has issued a

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

* Until 315 PM EDT.

* At 228 PM EDT, a severe thunderstorm was located near Myerstown,
  moving northeast at 35 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, Laureldale, Womelsdorf, Topton,
  Robesonia, Leesport, Shoemakersville, Bernville, Lyons,
  Strausstown, Lenhartsville, Fairview Hgts and Centerport.

This includes Interstate 78 in Pennsylvania between mile markers 10
and 44.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.

&&

LAT...LON 4064 7584 4046 7555 4034 7619 4046 7637
TIME...MOT...LOC 1828Z 243DEG 33KT 4043 7626 

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

$$

Gorse
3 follow-up statements
958 
WWUS51 KPHI 161842
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
242 PM EDT Mon May 16 2022

PAC011-161915-
/O.CON.KPHI.SV.W.0031.000000T0000Z-220516T1915Z/
Berks PA-
242 PM EDT Mon May 16 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR CENTRAL BERKS COUNTY...

At 242 PM EDT, a severe thunderstorm was located over Bernville, or
11 miles south of Schuylkill Haven, moving east at 35 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, Laureldale, Womelsdorf, Topton,
Robesonia, Leesport, Shoemakersville, Bernville, Lyons, Strausstown,
Lenhartsville, Fairview Hgts and Centerport.

This includes Interstate 78 in Pennsylvania between mile markers 21
and 44.
 
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 4064 7584 4046 7555 4034 7619 4037 7624
      4053 7617
TIME...MOT...LOC 1842Z 248DEG 32KT 4047 7611 

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

$$

Gorse
510 
WWUS51 KPHI 161858
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
258 PM EDT Mon May 16 2022

PAC011-161915-
/O.CON.KPHI.SV.W.0031.000000T0000Z-220516T1915Z/
Berks PA-
258 PM EDT Mon May 16 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR NORTHEASTERN BERKS COUNTY...

At 258 PM EDT, a severe thunderstorm was located over
Shoemakersville, or 12 miles north of Reading, moving northeast at 50
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, Fairview Hgts and Centerport.

This includes Interstate 78 in Pennsylvania between mile markers 27
and 44.
 
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 4064 7584 4046 7555 4042 7606 4045 7610
      4057 7605
TIME...MOT...LOC 1858Z 241DEG 42KT 4052 7595 

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

$$

Gorse
143 
WWUS51 KPHI 161906
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
306 PM EDT Mon May 16 2022

PAC011-161916-
/O.EXP.KPHI.SV.W.0031.000000T0000Z-220516T1915Z/
Berks PA-
306 PM EDT Mon May 16 2022

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BERKS COUNTY WILL
EXPIRE AT 315 PM EDT...
                
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 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 800 PM EDT for
eastern Pennsylvania.

LAT...LON 4064 7584 4046 7555 4042 7606 4045 7610
      4057 7605
TIME...MOT...LOC 1906Z 243DEG 33KT 4055 7588 

$$

Gorse

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 1:12 PM EDTSpecial Weather StatementPHIBerks, Lehigh63 min
May 16, 1:42 PM EDTSevere Thunderstorm WarningPHIBerks48 min
May 16, 2:17 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe43 min
May 16, 5:09 PM EDTSpecial Weather StatementPHIMontgomery21 min
May 16, 5:17 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Montgomery43 min
May 16, 5:56 PM EDTAreal Flood AdvisoryPHIChester, Delaware, Montgomery, Philadelphia53 min
May 16, 5:59 PM EDTSpecial Weather StatementPHIBucks, Delaware, Montgomery, Philadelphia31 min
May 16, 6:28 PM EDTSpecial Weather StatementPHIDelaware, Philadelphia32 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.