Severe Thunderstorm Warning 232, NWS Philadelphia/Mount Holly

Issued

Aug 12, 2020, 2:04 PM EDT (18:04 UTC)

Expired

Aug 12, 2020, 2:25 PM EDT

In force

21 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

Counties Bucks County, PA, Montgomery County, PA, Philadelphia County, PA

The Philadelphia radar (KDIX), 57 km from the middle of the area, began a volume at 18:06 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.

625 
WUUS51 KPHI 121804
SVRPHI
PAC017-091-101-121845-
/O.NEW.KPHI.SV.W.0232.200812T1804Z-200812T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
204 PM EDT Wed Aug 12 2020

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southeastern Montgomery County in southeastern Pennsylvania...
  Southeastern Bucks County in southeastern Pennsylvania...
  Northern Philadelphia County in southeastern Pennsylvania...

* Until 245 PM EDT.

* At 204 PM EDT, a severe thunderstorm was located over Bryn Athyn,
  or 11 miles northeast of Philadelphia, moving north at 15 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...
  Philadelphia, Bensalem, Lansdale, Doylestown, Hatboro, Souderton,
  Ambler, Jenkintown, Chalfont, Hatfield, Rockledge, Yardley,
  Newtown, Abington, Langhorne, Bryn Athyn, Ivyland, Fricks,
  Feasterville-Trevose and Richboro.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 336 and 357.
 Interstate 95 in Pennsylvania between mile markers 36 and 40.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Protecting yourself from immediate threats to life and safety shall
take priority.  Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.

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 this storm. Move indoors immediately. 
Remember, if you can hear thunder, you are close enough to be struck 
by lightning.

&&

LAT...LON 4008 7490 4005 7520 4031 7536 4032 7490
      4031 7488 4019 7481
TIME...MOT...LOC 1804Z 200DEG 11KT 4017 7504 

HAIL...0.75IN
WIND...60MPH
 
$$

Gorse

098 
WWUS51 KPHI 121815
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
215 PM EDT Wed Aug 12 2020

PAC017-091-101-121845-
/O.CON.KPHI.SV.W.0232.000000T0000Z-200812T1845Z/
Montgomery PA-Bucks PA-Philadelphia PA-
215 PM EDT Wed Aug 12 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR SOUTHEASTERN MONTGOMERY...SOUTHEASTERN BUCKS AND NORTHERN
PHILADELPHIA COUNTIES...

At 215 PM EDT, a severe thunderstorm was located over Hatboro, or 11
miles north of Philadelphia, moving west at 5 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Philadelphia, Bensalem, Lansdale, Doylestown, Hatboro, Souderton,
Ambler, Jenkintown, Chalfont, Hatfield, Rockledge, Yardley, Newtown,
Abington, Langhorne, Bryn Athyn, Ivyland, Fricks,
Feasterville-Trevose and Richboro.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 336 and 357.
 Interstate 95 in Pennsylvania between mile markers 36 and 40.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Protecting yourself from immediate threats to life and safety shall
take priority.  Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.

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 4008 7490 4005 7520 4031 7536 4032 7490
      4031 7488 4019 7481
TIME...MOT...LOC 1815Z 097DEG 5KT 4017 7511 

HAIL...<.75IN
WIND...60MPH
 
$$

Gorse

810 
WWUS51 KPHI 121825
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
225 PM EDT Wed Aug 12 2020

PAC017-091-101-121834-
/O.CAN.KPHI.SV.W.0232.000000T0000Z-200812T1845Z/
Montgomery PA-Bucks PA-Philadelphia PA-
225 PM EDT Wed Aug 12 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONTGOMERY...
SOUTHEASTERN BUCKS AND NORTHERN PHILADELPHIA COUNTIES IS CANCELLED...
                
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 has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

LAT...LON 4008 7490 4005 7520 4031 7536 4032 7490
      4031 7488 4019 7481
TIME...MOT...LOC 1822Z 200DEG 11KT 4020 7510 

$$

Gorse

Severe Thunderstorm Warnings in Pennsylvania, 2020Every severe thunderstorm warning in 2020

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.