Severe Thunderstorm Warning 233, NWS Philadelphia/Mount Holly

Issued

Jul 25, 2023, 3:21 PM EDT (19:21 UTC)

Expired

Jul 25, 2023, 4:00 PM EDT

In force

39 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Hail

1.0 in

Wind

60.0 mph

Counties New Castle County, DE, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The Philadelphia radar (KDIX), 89 km from the middle of the area, began a volume at 19:23 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.

892 
WUUS51 KPHI 251921
SVRPHI
DEC003-PAC029-045-091-101-252000-
/O.NEW.KPHI.SV.W.0233.230725T1921Z-230725T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
321 PM EDT Tue Jul 25 2023

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northwestern New Castle County in northern Delaware...
  Southwestern Montgomery County in southeastern Pennsylvania...
  Central Chester County in southeastern Pennsylvania...
  Northwestern Philadelphia County in southeastern Pennsylvania...
  Delaware County in southeastern Pennsylvania...

* Until 400 PM EDT.

* At 321 PM EDT, severe thunderstorms were located along a line
  extending from near Lansdale to near Paoli to near Coatesville,
  moving southeast at 10 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, West Chester, Norristown, Chester, Phoenixville, West
  Norriton, East Norriton, Coatesville, Yeadon, Westtown,
  Downingtown, Conshohocken, Swarthmore, Kennett Square,
  Collegeville, Royersford, Narberth, Trappe, East Lansdowne and
  Arden.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 307 and 337.
 Northeast Extension between mile markers 21 and 32.
 Interstate 95 in Pennsylvania between mile markers 0 and 7.
 Interstate 95 in Delaware near mile marker 23.
 Interstate 76 in Pennsylvania between mile markers 327 and 342.
 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.

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

&&

LAT...LON 4004 7513 3985 7535 3972 7573 4003 7589
      4018 7559 4029 7536
TIME...MOT...LOC 1921Z 324DEG 8KT 4021 7534 4005 7553 3993 7581 

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

$$

Fitzsimmons

693 
WWUS51 KPHI 251947
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
347 PM EDT Tue Jul 25 2023

DEC003-PAC029-045-091-101-252000-
/O.CON.KPHI.SV.W.0233.000000T0000Z-230725T2000Z/
New Castle DE-Montgomery PA-Chester PA-Philadelphia PA-Delaware PA-
347 PM EDT Tue Jul 25 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTHWESTERN NEW CASTLE...SOUTH CENTRAL MONTGOMERY...CENTRAL
CHESTER...NORTHWESTERN PHILADELPHIA AND DELAWARE COUNTIES...

At 347 PM EDT, severe thunderstorms were located along a line
extending from near East Norriton to near Paoli to near Kennett
Square, moving southeast at 10 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, West Chester, Norristown, Chester, Phoenixville, West
Norriton, East Norriton, Coatesville, Yeadon, Westtown, Downingtown,
Conshohocken, Swarthmore, Kennett Square, Collegeville, Narberth,
Trappe, East Lansdowne, Arden and Talleyville.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 311 and 337.
 Northeast Extension between mile markers 21 and 31.
 Interstate 95 in Pennsylvania between mile markers 0 and 7.
 Interstate 95 in Delaware near mile marker 23.
 Interstate 76 in Pennsylvania between mile markers 327 and 342.
 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.

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

&&

LAT...LON 3985 7535 3972 7573 4001 7587 4011 7560
      4028 7535 4004 7513
TIME...MOT...LOC 1947Z 325DEG 8KT 4015 7529 3999 7548 3987 7576 

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

$$

Fitzsimmons

Severe Thunderstorm Warnings in Pennsylvania, 2023Severe Thunderstorm Warnings in Delaware, 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.