Severe Thunderstorm Warning 67, NWS Philadelphia/Mount Holly

Issued

Jul 2, 2014, 7:48 PM EDT (23:48 UTC)

Expired

Jul 2, 2014, 8:15 PM EDT

In force

27 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

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

The Philadelphia radar (KDIX), 92 km from the middle of the area, began a volume at 23:47 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.

243 
WUUS51 KPHI 022348
SVRPHI
DEC003-NJC015-033-PAC017-029-045-091-101-030015-
/O.NEW.KPHI.SV.W.0067.140702T2348Z-140703T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
748 PM EDT WED JUL 2 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
  SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEAST PENNSYLVANIA...
  PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA...
  DELAWARE COUNTY IN SOUTHEAST PENNSYLVANIA...
  NORTHWESTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  NORTHERN NEW CASTLE COUNTY IN NORTHERN DELAWARE...
  EAST CENTRAL CHESTER COUNTY IN SOUTHEAST PENNSYLVANIA...
  WESTERN SALEM COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 815 PM EDT

* AT 745 PM EDT...TRAINED SKYWARN SPOTTERS REPORTED A LINE OF SEVERE
  THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM BLUE BELL TO
  CLAYMONT TO MOUNT PLEASANT...MOVING EAST AT 20 MPH. THESE STORMS
  ARE CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  AMBLER AND DELAWARE CITY AROUND 755 PM EDT...
  CHALFONT AND DREXEL HILL AROUND 800 PM EDT...
  YEADON AND FOLCROFT AROUND 805 PM EDT...
  WILLOW GROVE AND GIBBSTOWN AROUND 810 PM EDT...
  PAULSBORO AND PHILADELPHIA AROUND 815 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.

&&

LAT...LON 3953 7577 3981 7557 4030 7535 4031 7496
      3998 7508 3995 7514 3987 7512 3950 7543
      3949 7554 3957 7552 3959 7555 3951 7555
      3949 7558 3950 7577
TIME...MOT...LOC 2348Z 269DEG 19KT 4015 7528 3982 7544
          3952 7568

$$

FORECASTER:SFJ

991 
WWUS51 KPHI 030005
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
805 PM EDT WED JUL 2 2014

PAC029-030015-
/O.CAN.KPHI.SV.W.0067.000000T0000Z-140703T0015Z/
CHESTER PA-
805 PM EDT WED JUL 2 2014

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CHESTER COUNTY IS
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.

LAT...LON 3981 7550 4005 7540 4007 7536 4006 7539
      4030 7529 4031 7496 3998 7508 3995 7514
      3987 7512 3950 7543 3949 7554 3957 7552
      3959 7555 3951 7555 3949 7558 3950 7572
TIME...MOT...LOC 0005Z 269DEG 19KT 4015 7516 3982 7532
          3952 7556

$$

DEC003-NJC015-033-PAC017-045-091-101-030015-
/O.CON.KPHI.SV.W.0067.000000T0000Z-140703T0015Z/
BUCKS PA-MONTGOMERY PA-PHILADELPHIA PA-DELAWARE PA-GLOUCESTER NJ-
NEW CASTLE DE-SALEM NJ-
805 PM EDT WED JUL 2 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR WESTERN SALEM...NORTHEASTERN NEW CASTLE...NORTHWESTERN
GLOUCESTER...DELAWARE...PHILADELPHIA...SOUTHEASTERN MONTGOMERY AND
CENTRAL BUCKS COUNTIES...

AT 803 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM FORT WASHINGTON TO EDDYSTONE TO PORT PENN...OR ALONG A
LINE EXTENDING FROM 10 MILES NORTH OF PHILADELPHIA TO 12 MILES
NORTHEAST OF WILMINGTON TO 14 MILES SOUTHEAST OF NEWARK...MOVING EAST
AT 20 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  HORSHAM...WYNCOTE...GLENSIDE AND COLWYN BY 810 PM EDT...
  PHILADELPHIA...BRYN ATHYN...ROCKLEDGE AND CENTER CITY BY 815 PM
  EDT...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.

LAT...LON 3981 7550 4005 7540 4007 7536 4006 7539
      4030 7529 4031 7496 3998 7508 3995 7514
      3987 7512 3950 7543 3949 7554 3957 7552
      3959 7555 3951 7555 3949 7558 3950 7572
TIME...MOT...LOC 0005Z 269DEG 19KT 4015 7516 3982 7532
          3952 7556

$$

SFJ

Severe Thunderstorm Warnings in Pennsylvania, 2014Severe Thunderstorm Warnings in New Jersey, 2014Severe Thunderstorm Warnings in Delaware, 2014Every severe thunderstorm warning in 2014

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.