Severe Thunderstorm Warning 64, NWS Philadelphia/Mount Holly

Issued

Aug 1, 2018, 11:35 PM EDT (03:35 UTC)

Expired

Aug 1, 2018, 11:55 PM EDT

In force

20 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

Counties New Castle County, DE, Cecil County, MD, Salem County, NJ, Chester County, PA, Delaware County, PA

The Dover AFB radar (KDOX), 102 km from the middle of the area, began a volume at 03:38 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.

306 
WUUS51 KPHI 020335
SVRPHI
DEC003-MDC015-NJC033-PAC029-045-020415-
/O.NEW.KPHI.SV.W.0064.180802T0335Z-180802T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1135 PM EDT WED AUG 1 2018

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northern New Castle County in northern Delaware...
  Northeastern Cecil County in northeastern Maryland...
  Northwestern Salem County in southern New Jersey...
  South central Chester County in southeastern Pennsylvania...
  Southwestern Delaware County in southeastern Pennsylvania...

* Until 1215 AM EDT.

* At 1134 PM EDT, a severe thunderstorm was located over Fair Hill,
  or 7 miles northwest of Newark, moving east at 25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Wilmington, Newark, Elkton, Calvert, Pennsville, Carneys Point,
  Elsmere, Kennett Square, New Castle, Penns Grove, Oxford, North
  East, West Grove, Newport, Arden, Blake, Stanton, Talleyville, Elam
  and Chelsea.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In addition to large 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.

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

&&

LAT...LON 3960 7598 3981 7599 3989 7547 3965 7543
TIME...MOT...LOC 0334Z 260DEG 21KT 3973 7588 

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

Fitzsimmons

887 
WWUS51 KPHI 020355
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1155 PM EDT WED AUG 1 2018

DEC003-MDC015-NJC033-PAC029-045-020404-
/O.CAN.KPHI.SV.W.0064.000000T0000Z-180802T0415Z/
New Castle DE-Cecil MD-Salem NJ-Chester PA-Delaware PA-
1155 PM EDT WED AUG 1 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN NEW CASTLE...
NORTHEASTERN CECIL...NORTHWESTERN SALEM...SOUTH CENTRAL CHESTER AND
SOUTHWESTERN DELAWARE 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 are
still possible with this thunderstorm.

LAT...LON 3960 7598 3981 7599 3989 7547 3965 7543
TIME...MOT...LOC 0352Z 260DEG 21KT 3975 7573 

$$

Fitzsimmons

Severe Thunderstorm Warnings in Pennsylvania, 2018Severe Thunderstorm Warnings in New Jersey, 2018Severe Thunderstorm Warnings in Delaware, 2018Every severe thunderstorm warning in 2018

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.