Alert archive / Pennsylvania / Tornado Warnings in 2019

Tornado Warning 12, NWS Philadelphia/Mount Holly

May 28, 2019Berks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this tornado warning at May 28, 2019, 5:22 PM EDT for Berks County, Pennsylvania. It was in force for 23 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 28, 2019, 5:22 PM EDT (21:22 UTC)
Expired: May 28, 2019, 5:45 PM EDT
In force: 23 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

County Berks County, PA

The radar

The Philadelphia radar (KDIX), 143 km from the middle of the area, began a volume at 21:24 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.

Issued	Product	Office	Lasted
May 28, 1:48 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.4 hours before the alert went out and 190 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 35 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 1167 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 293 m²/s²
0-3 km storm-relative helicity: 414 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

727 
WFUS51 KPHI 282122
TORPHI
PAC011-282145-
/O.NEW.KPHI.TO.W.0012.190528T2122Z-190528T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
522 PM EDT Tue May 28 2019

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  South central Berks County in eastern Pennsylvania...

* Until 545 PM EDT.
    
* At 522 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Wernersville, or 9 miles west of Reading, moving
  southeast at 30 mph.

  HAZARD...Tornado and half dollar size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Wyomissing, Sinking Spring, Wernersville, New Morgan, Shillington,
  Mohnton, Kenhorst, Flying Hills and West Wyomissing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4036 7612 4027 7584 4017 7592 4032 7616
TIME...MOT...LOC 2122Z 303DEG 26KT 4031 7611 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

Gorse

1 follow-up statement

882 
WWUS51 KPHI 282133 RRA
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
533 PM EDT Tue May 28 2019

PAC011-282145-
/O.CON.KPHI.TO.W.0012.000000T0000Z-190528T2145Z/
Berks PA-
533 PM EDT Tue May 28 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR SOUTH
CENTRAL BERKS COUNTY...
    
At 533 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Adamstown, or 7 miles southwest of Reading, moving
southeast at 30 mph.

HAZARD...Tornado and half dollar size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Wyomissing, Sinking Spring, New Morgan, Shillington, Mohnton,
Kenhorst and Flying Hills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4033 7605 4027 7584 4017 7592 4030 7612
TIME...MOT...LOC 2133Z 304DEG 24KT 4027 7604 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

Gorse

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 4:27 PM EDT	Severe Thunderstorm Warning	PHI	Berks	63 min
May 28, 4:56 PM EDT	Special Weather Statement	PHI	Chester	49 min
May 28, 5:08 PM EDT	Severe Thunderstorm Warning	PHI	Berks	67 min
May 28, 5:36 PM EDT	Severe Thunderstorm Warning	PHI	Berks	39 min
May 28, 5:45 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester	45 min
May 28, 6:03 PM EDT	Areal Flood Advisory	PHI	Berks	2 hr
May 28, 6:09 PM EDT	Tornado Warning	PHI	Chester	36 min
May 28, 6:11 PM EDT	Severe Thunderstorm Warning	PHI	Chester	64 min
May 28, 6:14 PM EDT	Areal Flood Advisory	PHI	Chester	4 hr
May 28, 6:16 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Montgomery	44 min
May 28, 6:24 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Delaware	48 min
May 28, 6:41 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	64 min
May 28, 6:52 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Montgomery, Philadelphia	38 min
May 28, 7:00 PM EDT	Areal Flood Advisory	PHI	Delaware, Philadelphia	3 hr
May 28, 7:42 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	63 min
May 28, 7:59 PM EDT	Areal Flood Advisory	PHI	Monroe	2 hr

Nearby

Tornado Warnings in Pennsylvania, 2019 Every tornado warning in 2019 Tornadoes in 2019

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.