Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 150, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 29, 2019, 2:27 PM EDT for Berks County, Pennsylvania. It was in force for 63 min. 1 report 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
- Jun 29, 2019, 2:27 PM EDT (18:27 UTC)
- Expired
- Jun 29, 2019, 3:30 PM EDT
- In force
- 63 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), 157 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 29, 3:16 PM EDT | TSTM WND DMG | 1 Ene Blandon, PA | DOWNED TREE ON HOCH ROAD. TIME ESTIMATED FROM RADAR. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 29, 12:08 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 6.5 hours before the alert went out and 205 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
- 927 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1390 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
278
WUUS51 KPHI 291827
SVRPHI
PAC011-291930-
/O.NEW.KPHI.SV.W.0150.190629T1827Z-190629T1930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
227 PM EDT Sat Jun 29 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Central Berks County in eastern Pennsylvania...
* Until 330 PM EDT.
* At 226 PM EDT, severe thunderstorms were located along a line
extending from Mechanicsville to Aristes to Pine Grove to Fort
Indiantown Gap, moving east at 30 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...
Reading, Wyomissing, Hamburg, Fleetwood, Sinking Spring,
Laureldale, Womelsdorf, Wernersville, Newmanstown, Leesport,
Shoemakersville, Bernville, Strausstown, Lenhartsville, Fairview
Hgts, Spring Ridge, Centerport, Wyomissing Hills, West Lawn and
Whitfield.
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 these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4052 7634 4052 7625 4058 7605 4057 7602
4063 7600 4068 7590 4062 7580 4041 7581
4028 7609 4036 7621 4037 7623 4049 7643
TIME...MOT...LOC 1826Z 289DEG 25KT 4095 7656 4081 7634 4056 7635 4045
7659
HAIL...1.00IN
WIND...60MPH
$$
CMS2 follow-up statements
221
WWUS51 KPHI 291852
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
252 PM EDT Sat Jun 29 2019
PAC011-291930-
/O.CON.KPHI.SV.W.0150.000000T0000Z-190629T1930Z/
Berks PA-
252 PM EDT Sat Jun 29 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR CENTRAL BERKS COUNTY...
At 252 PM EDT, severe thunderstorms were located along a line
extending from Grier City-Park Crest to Orwigsburg to near Bernville
to Schaefferstown, moving southeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Reading, Wyomissing, Hamburg, Fleetwood, Sinking Spring, Laureldale,
Womelsdorf, Wernersville, Newmanstown, Leesport, Shoemakersville,
Bernville, Strausstown, Lenhartsville, Fairview Hgts, Spring Ridge,
Centerport, Wyomissing Hills, West Lawn and Whitfield.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4052 7634 4052 7625 4058 7605 4057 7602
4063 7600 4068 7590 4062 7580 4041 7581
4028 7609 4036 7621 4037 7623 4049 7643
TIME...MOT...LOC 1852Z 295DEG 22KT 4080 7607 4066 7608 4041 7609 4030
7633
HAIL...1.00IN
WIND...60MPH
$$
CMS857
WWUS51 KPHI 291932
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
332 PM EDT Sat Jun 29 2019
PAC011-291941-
/O.EXP.KPHI.SV.W.0150.000000T0000Z-190629T1930Z/
Berks PA-
332 PM EDT Sat Jun 29 2019
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BERKS COUNTY HAS
EXPIRED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been allowed to expire. However gusty
winds and heavy rain are still possible with these thunderstorms.
A severe thunderstorm watch remains in effect until 700 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.
LAT...LON 4052 7634 4052 7625 4058 7605 4057 7602
4063 7600 4068 7590 4062 7580 4041 7581
4028 7609 4036 7621 4037 7623 4049 7643
TIME...MOT...LOC 1931Z 289DEG 25KT 4071 7573 4057 7574 4032 7576 4021
7600
$$
CMSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 2:46 PM EDT | Special Weather Statement | PHI | Chester | 29 min |
| Jun 29, 3:06 PM EDT | Special Weather Statement | PHI | Chester | 24 min |
| Jun 29, 3:09 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 51 min |
| Jun 29, 3:20 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 55 min |
| Jun 29, 3:24 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 36 min |
| Jun 29, 3:27 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 53 min |
| Jun 29, 3:45 PM EDT | Flash Flood Warning | PHI | Chester | 3 hr |
| Jun 29, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 53 min |
| Jun 29, 3:56 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 49 min |
| Jun 29, 3:59 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 46 min |
| Jun 29, 4:00 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 3 hr |
| Jun 29, 4:17 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh, Northampton | 3 hr |
| Jun 29, 4:28 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 47 min |
| Jun 29, 4:41 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 3 hr |
| Jun 29, 7:10 PM EDT | Special Weather Statement | PHI | Berks | 35 min |
| Jun 29, 7:16 PM EDT | Special Weather Statement | PHI | Lebanon | 29 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2019Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.