Severe Thunderstorm Warning 218, NWS Philadelphia/Mount Holly

Issued

Jul 11, 2019, 1:44 PM EDT (17:44 UTC)

Expired

Jul 11, 2019, 2:45 PM EDT

In force

61 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Tornado

Possible

Hail

0.75 in

Wind

60.0 mph

Counties New Castle County, DE, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The Dover AFB radar (KDOX), 91 km from the middle of the area, began a volume at 17:47 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.

752 
WUUS51 KPHI 111744
SVRPHI
DEC003-NJC011-015-033-PAC045-091-101-111845-
/O.NEW.KPHI.SV.W.0218.190711T1744Z-190711T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
144 PM EDT Thu Jul 11 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Central New Castle County in northern Delaware...
  Northwestern Cumberland County in southern New Jersey...
  Salem County in southern New Jersey...
  Northwestern Gloucester County in southern New Jersey...
  South central Montgomery County in southeastern Pennsylvania...
  Western Philadelphia County in southeastern Pennsylvania...
  Delaware County in southeastern Pennsylvania...

* Until 245 PM EDT.

* At 144 PM EDT, severe thunderstorms were located along a line
  extending from Ashland to Smyrna, moving northeast at 25 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, Wilmington, Bridgeton, Chester, West Deptford,
  Glassboro, Pennsville, Yeadon, Woodbury, Carneys Point,
  Conshohocken, Folcroft, Ambler, Swarthmore, Elsmere, Paulsboro, New
  Castle, Penns Grove, Salem and Narberth.

People attending PES Explosion Response and Recovery should seek safe
shelter immediately!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 3984 7560 3993 7554 3998 7544 4020 7519
      3941 7514 3934 7536 3944 7546 3946 7554
      3957 7551 3962 7557 3966 7552 3972 7551
      3970 7552 3962 7561 3959 7557 3946 7559
      3936 7552 3931 7563 3981 7570
TIME...MOT...LOC 1744Z 218DEG 22KT 3982 7565 3931 7561 

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

Iovino

991 
WWUS51 KPHI 111814
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
214 PM EDT Thu Jul 11 2019

DEC003-NJC011-015-033-PAC045-091-101-111845-
/O.CON.KPHI.SV.W.0218.000000T0000Z-190711T1845Z/
New Castle DE-Cumberland NJ-Salem NJ-Gloucester NJ-Montgomery PA-
Philadelphia PA-Delaware PA-
214 PM EDT Thu Jul 11 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR NORTHEASTERN NEW CASTLE...NORTHWESTERN CUMBERLAND...SALEM...
NORTHWESTERN GLOUCESTER...SOUTH CENTRAL MONTGOMERY...WESTERN
PHILADELPHIA AND DELAWARE COUNTIES...

At 214 PM EDT, severe thunderstorms were located along a line
extending from near Gradyville to near Hancocks Bridge, moving
northeast at 25 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, Wilmington, Bridgeton, Chester, West Deptford,
Glassboro, Pennsville, Yeadon, Woodbury, Carneys Point, Conshohocken,
Folcroft, Ambler, Swarthmore, Paulsboro, Penns Grove, Salem,
Narberth, Woodstown and Alloway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 3984 7560 3993 7554 3998 7544 4020 7519
      3941 7514 3934 7536 3944 7546 3946 7554
      3957 7551 3962 7557 3966 7552 3972 7551
      3970 7552
TIME...MOT...LOC 1814Z 218DEG 22KT 3996 7551 3945 7547 

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

Iovino

Severe Thunderstorm Warnings in New Jersey, 2019Severe Thunderstorm Warnings in Pennsylvania, 2019Severe Thunderstorm Warnings in Delaware, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.