Severe Thunderstorm Warning 166, NWS Philadelphia/Mount Holly

Issued

Jun 29, 2019, 3:59 PM EDT (19:59 UTC)

Expired

Jun 29, 2019, 4:45 PM EDT

In force

46 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Hail

1.0 in

Wind

70.0 mph

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

The Dover AFB radar (KDOX), 91 km from the middle of the area, began a volume at 20:01 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.

986 
WUUS51 KPHI 291959
SVRPHI
DEC003-MDC015-029-NJC015-033-PAC029-045-292045-
/O.NEW.KPHI.SV.W.0166.190629T1959Z-190629T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
359 PM EDT Sat Jun 29 2019

The National Weather Service in Mount Holly NJ has issued a

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

* Until 445 PM EDT.

* At 359 PM EDT, severe thunderstorms were located along a line
  extending from near Kennett Square to Glen Westover to Farmington,
  moving southeast at 35 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Wilmington, Newark, Middletown, Elkton, Calvert, Chester,
  Pennsville, Carneys Point, Elsmere, Kennett Square, New Castle,
  Penns Grove, Salem, Oxford, North East, Woodstown, Alloway, West
  Grove, Rising Sun and Quinton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage across Chester County PA. SEEK SHELTER NOW inside a 
sturdy structure and stay away from windows! In addition to large 
hail and damaging winds, frequent cloud to ground lightning is 
occurring with these storms. Move indoors immediately. Remember, if 
you can hear thunder, you are close enough to be struck by lightning.

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

&&

LAT...LON 3971 7623 3973 7610 3993 7589 3983 7569
      3982 7538 3973 7518 3943 7546 3946 7554
      3957 7551 3962 7557 3971 7549 3972 7551
      3962 7561 3956 7556 3946 7559 3942 7554
      3936 7592 3946 7601 3952 7598 3955 7608
TIME...MOT...LOC 1959Z 316DEG 31KT 3988 7564 3971 7579 3966 7604 

HAIL...1.00IN
WIND...70MPH
 
$$

Staarmann

729 
WWUS51 KPHI 292019
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
419 PM EDT Sat Jun 29 2019

DEC003-MDC015-029-NJC015-033-PAC029-045-292045-
/O.CON.KPHI.SV.W.0166.000000T0000Z-190629T2045Z/
New Castle DE-Kent MD-Cecil MD-Salem NJ-Gloucester NJ-Chester PA-
Delaware PA-
419 PM EDT Sat Jun 29 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NEW CASTLE...NORTHERN KENT...EASTERN CECIL...WESTERN SALEM...WEST
CENTRAL GLOUCESTER...SOUTH CENTRAL CHESTER AND SOUTH CENTRAL DELAWARE
COUNTIES...

At 418 PM EDT, severe thunderstorms were located along a line
extending from near Penns Grove to near Bear to near Hollywood Beach,
moving southeast at 35 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Wilmington, Newark, Middletown, Elkton, Chester, Pennsville, Carneys
Point, Elsmere, New Castle, Penns Grove, Salem, North East,
Woodstown, Alloway, Quinton, Swedesboro, Delaware City, Charlestown,
Newport and Cecilton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is an EXTREMELY DANGEROUS SITUATION. These storms are producing 
widespread wind damage across southeastern Pennsylvania. SEEK 
SHELTER NOW inside a sturdy structure and stay away from windows.

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 3955 7600 3974 7586 3983 7569 3982 7538
      3973 7518 3943 7546 3946 7554 3957 7551
      3962 7557 3971 7549 3972 7551 3962 7561
      3956 7556 3946 7559 3942 7554 3936 7592
      3946 7601 3952 7598
TIME...MOT...LOC 2018Z 316DEG 31KT 3976 7549 3959 7564 3954 7589 

HAIL...1.00IN
WIND...70MPH
 
$$

Staarmann

Severe Thunderstorm Warnings in New Jersey, 2019Severe Thunderstorm Warnings in Pennsylvania, 2019Severe Thunderstorm Warnings in Maryland, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.