Severe Thunderstorm Warning 146, NWS Philadelphia/Mount Holly

Issued

Jun 28, 2019, 6:50 PM EDT (22:50 UTC)

Expired

Jun 28, 2019, 7:30 PM EDT

In force

40 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Hail

1.0 in

Wind

70.0 mph

Counties Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The Philadelphia radar (KDIX), 81 km from the middle of the area, began a volume at 22:50 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

901 
WUUS51 KPHI 282250
SVRPHI
PAC045-091-101-282330-
/O.NEW.KPHI.SV.W.0146.190628T2250Z-190628T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
650 PM EDT Fri Jun 28 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southeastern Montgomery County in southeastern Pennsylvania...
  Philadelphia County in southeastern Pennsylvania...
  Northeastern Delaware County in southeastern Pennsylvania...

* Until 730 PM EDT.

* At 650 PM EDT, a severe thunderstorm was located over Collegeville,
  or 17 miles northeast of West Chester, moving southeast at 30 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Philadelphia, Norristown, West Norriton, East Norriton, Yeadon,
  Conshohocken, Ambler, Collegeville, Royersford, Jenkintown,
  Narberth, Trappe, Rockledge, Abington, Wissinoming, Morris Park,
  Germantown, Northeast Philadelphia, Center City and Bryn Mawr.

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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4026 7545 4009 7498 3990 7520 4006 7538
      4007 7536 4007 7539 4019 7553
TIME...MOT...LOC 2250Z 308DEG 24KT 4017 7541 

HAIL...1.00IN
WIND...70MPH
 
$$

CMS

545 
WWUS51 KPHI 282311
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
711 PM EDT Fri Jun 28 2019

PAC045-091-101-282330-
/O.CON.KPHI.SV.W.0146.000000T0000Z-190628T2330Z/
Montgomery PA-Philadelphia PA-Delaware PA-
711 PM EDT Fri Jun 28 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTHEASTERN MONTGOMERY...PHILADELPHIA AND NORTHEASTERN DELAWARE
COUNTIES...

At 710 PM EDT, a severe thunderstorm was located over King Of
Prussia, or 14 miles northeast of West Chester, moving southeast at
20 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Law enforcement reported wind damage from this storm in 
         Collegeville around 652 pm.

IMPACT...Minor damage to vehicles is possible. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Philadelphia, Norristown, West Norriton, East Norriton, Yeadon,
Conshohocken, Ambler, Jenkintown, Narberth, Rockledge, Abington,
Wissinoming, Morris Park, Germantown, Northeast Philadelphia, Center
City, Bryn Mawr, South Philadelphia, Plymouth Meeting and Kensington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4009 7498 3990 7520 4006 7538 4007 7536
      4007 7539 4014 7548 4023 7536
TIME...MOT...LOC 2310Z 334DEG 17KT 4010 7540 

HAIL...1.00IN
WIND...70MPH
 
$$

CMS

552 
WWUS51 KPHI 282326
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
726 PM EDT Fri Jun 28 2019

PAC045-091-101-282336-
/O.EXP.KPHI.SV.W.0146.000000T0000Z-190628T2330Z/
Montgomery PA-Philadelphia PA-Delaware PA-
726 PM EDT Fri Jun 28 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONTGOMERY...
PHILADELPHIA AND NORTHEASTERN DELAWARE COUNTIES WILL EXPIRE AT 730 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.

Several reports of wind damage have been received from the 
Collegeville area.

LAT...LON 4009 7498 3990 7520 4006 7538 4007 7536
      4007 7539 4014 7548 4023 7536
TIME...MOT...LOC 2326Z 308DEG 24KT 4005 7531 

$$

CMS

Severe Thunderstorm Warnings in Pennsylvania, 2019Every severe thunderstorm warning in 2019

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.