Severe Thunderstorm Warning 285, NWS Philadelphia/Mount Holly

Issued

Aug 29, 2020, 7:16 PM EDT (23:16 UTC)

Expired

Aug 29, 2020, 8:15 PM EDT

In force

59 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Hail

1.0 in

Wind

60.0 mph

Counties Hunterdon County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Lehigh County, PA, Montgomery County, PA, Northampton County, PA

The Philadelphia radar (KDIX), 89 km from the middle of the area, began a volume at 23:20 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.

928 
WUUS51 KPHI 292316
SVRPHI
NJC019-041-PAC011-017-077-091-095-300015-
/O.NEW.KPHI.SV.W.0285.200829T2316Z-200830T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
716 PM EDT Sat Aug 29 2020

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Hunterdon County in northwestern New Jersey...
  Southwestern Warren County in northwestern New Jersey...
  East central Berks County in eastern Pennsylvania...
  Southeastern Lehigh County in eastern Pennsylvania...
  Montgomery County in southeastern Pennsylvania...
  Bucks County in southeastern Pennsylvania...
  Southeastern Northampton County in eastern Pennsylvania...

* Until 815 PM EDT.

* At 716 PM EDT, severe thunderstorms were located along a line
  extending from Harmony to near Birdsboro, moving southeast 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...
  Allentown, Easton, Bethlehem, Norristown, Pottstown, Phoenixville,
  Lansdale, West Norriton, Forks, East Norriton, Emmaus, Quakertown,
  Perkasie, Doylestown, Byram, Wilson, Souderton, Bedminster,
  Hellertown and Nazareth.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 326 and 328.
 Northeast Extension between mile markers 22 and 55.
 Interstate 76 in Pennsylvania near mile marker 327.
 Interstate 78 in Pennsylvania between mile markers 55 and 76.
 Interstate 78 in New Jersey between mile markers 0 and 18.

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.

&&

LAT...LON 4083 7514 4054 7475 4051 7477 4051 7480
      4046 7477 4007 7540 4009 7542 4010 7546
      4013 7546 4014 7551 4016 7550 4015 7553
      4020 7555 4020 7558 4024 7560 4023 7560
      4024 7570 4037 7589
TIME...MOT...LOC 2316Z 313DEG 31KT 4073 7514 4035 7580 

HAIL...1.00IN
WIND...60MPH
 
$$

Iovino

023 
WWUS51 KPHI 292349
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
749 PM EDT Sat Aug 29 2020

NJC041-PAC011-077-095-292359-
/O.CAN.KPHI.SV.W.0285.000000T0000Z-200830T0015Z/
Warren NJ-Berks PA-Lehigh PA-Northampton PA-
749 PM EDT Sat Aug 29 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN WARREN...EAST
CENTRAL BERKS...SOUTHEASTERN LEHIGH AND SOUTHEASTERN NORTHAMPTON
COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 4024 7570 4061 7520 4060 7519 4071 7498
      4054 7475 4051 7477 4051 7480 4046 7477
      4007 7540 4010 7546 4013 7546 4014 7551
      4016 7550 4015 7552 4020 7555 4020 7558
      4024 7560
TIME...MOT...LOC 2349Z 310DEG 27KT 4057 7491 4019 7557 

$$

NJC019-PAC017-091-300015-
/O.CON.KPHI.SV.W.0285.000000T0000Z-200830T0015Z/
Hunterdon NJ-Montgomery PA-Bucks PA-
749 PM EDT Sat Aug 29 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR HUNTERDON...MONTGOMERY AND BUCKS COUNTIES...

At 749 PM EDT, severe thunderstorms were located along a line
extending from near Clinton to Royersford, moving southeast at 30
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...
Norristown, Pottstown, Phoenixville, Lansdale, West Norriton, East
Norriton, Quakertown, Perkasie, Doylestown, Byram, Souderton,
Bedminster, Collegeville, Royersford, Flemington, Chalfont, Tinicum,
Trappe, Hatfield and Clinton.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 326 and 328.
 Northeast Extension between mile markers 22 and 44.
 Interstate 76 in Pennsylvania near mile marker 327.
 Interstate 78 in New Jersey between mile markers 8 and 18.

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.

&&

LAT...LON 4024 7570 4061 7520 4060 7519 4071 7498
      4054 7475 4051 7477 4051 7480 4046 7477
      4007 7540 4010 7546 4013 7546 4014 7551
      4016 7550 4015 7552 4020 7555 4020 7558
      4024 7560
TIME...MOT...LOC 2349Z 310DEG 27KT 4057 7491 4019 7557 

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

Iovino

Severe Thunderstorm Warnings in Pennsylvania, 2020Severe Thunderstorm Warnings in New Jersey, 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.