Severe Thunderstorm Warning 234, NWS Philadelphia/Mount Holly

Issued

Aug 7, 2011, 3:48 PM EDT (19:48 UTC)

Expired

Aug 7, 2011, 4:15 PM EDT

In force

27 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Counties Burlington County, NJ, Mercer County, NJ, Monmouth County, NJ, Ocean County, NJ, Bucks County, PA

The Philadelphia radar (KDIX), 26 km from the middle of the area, began a volume at 19:50 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.

700 
WUUS51 KPHI 071948
SVRPHI
NJC005-021-025-029-PAC017-072015-
/O.NEW.KPHI.SV.W.0234.110807T1948Z-110807T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
348 PM EDT SUN AUG 7 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN MERCER COUNTY IN CENTRAL NEW JERSEY...
  SOUTHWESTERN MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
  SOUTHEASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
  NORTH CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  NORTHWESTERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 415 PM EDT

* AT 345 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM TULLYTOWN TO BORDENTOWN TO JOBSTOWN...OR ALONG A LINE
  EXTENDING FROM TRENTON TO 6 MILES SOUTH OF TRENTON TO 13 MILES
  SOUTH OF TRENTON...AND MOVING EAST AT 25 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WHITE HORSE AND CROSSWICKS AROUND 355 PM EDT...
  ALLENTOWN AROUND 405 PM EDT...
  CREAM RIDGE AROUND 410 PM EDT...
  SIX FLAGS THEME PARK...CLARKSBURG...CASSVILLE AND ROOSEVELT AROUND
  415 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES GREATEST KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

IN ADDITION HEAVY RAIN WILL OCCUR WITH THESE STORMS AND CAUSE 
LOW-LYING AND POOR DRAINAGE FLOODING.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 4025 7452 4021 7438 4004 7428 3997 7474
      4012 7482 4015 7487
TIME...MOT...LOC 1948Z 254DEG 20KT 4015 7475 4015 7470
          4006 7465

$$
DRAG

823 
WWUS51 KPHI 072000
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
400 PM EDT SUN AUG 7 2011

NJC005-021-025-029-PAC017-072015-
/O.CON.KPHI.SV.W.0234.000000T0000Z-110807T2015Z/
MERCER NJ-BUCKS PA-MONMOUTH NJ-OCEAN NJ-BURLINGTON NJ-
400 PM EDT SUN AUG 7 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTH CENTRAL BURLINGTON...NORTHWESTERN OCEAN...SOUTHWESTERN
MONMOUTH...EXTREME SOUTHEASTERN BUCKS AND SOUTHEASTERN MERCER
COUNTIES...

AT 354 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THE 
LINE OF SEVERE THUNDERSTORMS WAS WEAKENING BUT STILL COULD BE 
CAPABLE OF PRODUCING ISOLATED DAMAGING WINDS NEAR 60 MPH.  THESE 
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM BORDENTOWN TO 
CROSSWICKS TO WRIGHTSTOWN...OR ALONG A LINE EXTENDING FROM TRENTON 
TO 7 MILES SOUTHEAST OF TRENTON TO 13 MILES SOUTHEAST OF 
TRENTON...MOVING EAST AT 25 MPH.

STRONGEST WINDS APPEAR TO BE HEADED FOR ALLENTOWN NEW JERSEY.

SEVERE THUNDERSTORMS WILL BE NEAR...
  NEW EGYPT AND ALLENTOWN BY 405 PM EDT...
  CREAM RIDGE BY 410 PM EDT...
  WOODRUFF...SIX FLAGS THEME PARK...CLARKSBURG AND CASSVILLE BY 415
  PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 4000 7471 4012 7477 4016 7476 4025 7452
      4021 7438 4004 7428
TIME...MOT...LOC 1958Z 254DEG 20KT 4017 7469 4017 7463
          4006 7460

$$

DRAG

Severe Thunderstorm Warnings in New Jersey, 2011Severe Thunderstorm Warnings in Pennsylvania, 2011Every severe thunderstorm warning in 2011

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.