Severe Thunderstorm Warning 344, NWS Philadelphia/Mount Holly

Issued

Sep 8, 2023, 10:58 PM EDT (02:58 UTC)

Expired

Sep 8, 2023, 11:45 PM EDT

In force

47 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Hail

1.0 in

Wind

60.0 mph

Counties Camden County, NJ, Gloucester County, NJ, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The Philadelphia radar (KDIX), 67 km from the middle of the area, began a volume at 03:00 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.

700 
WUUS51 KPHI 090258
SVRPHI
NJC007-015-PAC029-045-091-101-090345-
/O.NEW.KPHI.SV.W.0344.230909T0258Z-230909T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1058 PM EDT Fri Sep 8 2023

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northwestern Camden County in southern New Jersey...
  Northwestern Gloucester County in southern New Jersey...
  Montgomery County in southeastern Pennsylvania...
  Northeastern Chester County in southeastern Pennsylvania...
  Philadelphia County in southeastern Pennsylvania...
  Delaware County in southeastern Pennsylvania...

* Until 1145 PM EDT.

* At 1058 PM EDT, a severe thunderstorm was located over Newtown
  Square, or 11 miles east of West Chester, moving northeast 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...
  Philadelphia, Camden, West Chester, Gloucester City, Norristown,
  Chester, West Deptford, Phoenixville, Lansdale, West Norriton, East
  Norriton, Yeadon, Westtown, Woodbury, Conshohocken, Palmyra,
  Hatboro, Souderton, Folcroft and Ambler.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 320 and 345.
 Northeast Extension between mile markers 21 and 36.
 Interstate 95 in Pennsylvania between mile markers 2 and 32.
 Interstate 76 in Pennsylvania between mile markers 327 and 351.
 Interstate 76 in New Jersey between mile markers 2 and 3.
 Interstate 295 in New Jersey between mile markers 13 and 24.
 Interstate 676 in Pennsylvania between mile markers 0 and 1.
 Interstate 676 in New Jersey between mile markers 0 and 4.
 Interstate 476 in Pennsylvania between mile markers 0 and 19.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4035 7542 4026 7522 4017 7508 4012 7496
      4010 7496 4002 7502 4000 7505 3999 7506
      3999 7503 3974 7523 3993 7561
TIME...MOT...LOC 0258Z 205DEG 26KT 3997 7539 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MLB

530 
WWUS51 KPHI 090319
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1119 PM EDT Fri Sep 8 2023

NJC007-015-PAC029-045-091-101-090345-
/O.CON.KPHI.SV.W.0344.000000T0000Z-230909T0345Z/
Camden NJ-Gloucester NJ-Montgomery PA-Chester PA-Philadelphia PA-
Delaware PA-
1119 PM EDT Fri Sep 8 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR NORTHWESTERN CAMDEN...NORTH CENTRAL GLOUCESTER...MONTGOMERY...
NORTHEASTERN CHESTER...PHILADELPHIA AND NORTHEASTERN DELAWARE
COUNTIES...

At 1118 PM EDT, a severe thunderstorm was located over Conshohocken,
or 8 miles northwest of Philadelphia, moving northeast 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...
Philadelphia, Camden, Gloucester City, Norristown, West Deptford,
Phoenixville, Lansdale, West Norriton, East Norriton, Yeadon,
Woodbury, Conshohocken, Palmyra, Hatboro, Souderton, Folcroft,
Ambler, Paulsboro, Collegeville and Jenkintown.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 320 and 345.
 Northeast Extension between mile markers 21 and 36.
 Interstate 95 in Pennsylvania between mile markers 11 and 32.
 Interstate 76 in Pennsylvania between mile markers 327 and 351.
 Interstate 76 in New Jersey between mile markers 2 and 3.
 Interstate 295 in New Jersey between mile markers 20 and 24.
 Interstate 676 in Pennsylvania between mile markers 0 and 1.
 Interstate 676 in New Jersey between mile markers 0 and 4.
 Interstate 476 in Pennsylvania between mile markers 6 and 19.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4035 7542 4026 7522 4017 7508 4012 7496
      4010 7496 4002 7502 4000 7505 3999 7506
      3999 7503 3980 7518 4008 7554
TIME...MOT...LOC 0318Z 212DEG 23KT 4006 7528 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Iovino

Severe Thunderstorm Warnings in Pennsylvania, 2023Severe Thunderstorm Warnings in New Jersey, 2023Every severe thunderstorm warning in 2023

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.