Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 86, NWS Philadelphia/Mount Holly

June 1, 2011Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 1, 2011, 6:11 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 64 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 1, 2011, 6:11 PM EDT (22:11 UTC)
Expired: Jun 1, 2011, 7:15 PM EDT
In force: 64 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

Counties Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 23 km from the middle of the area, began a volume at 22:14 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.

What was reported inside it

Time	Report	Where
Jun 1, 6:35 PM EDT	HAIL 0.5	Howell Twp, NJ
Jun 1, 6:58 PM EDT	HAIL 1.75	N Brick Twp, NJ
Jun 1, 7:00 PM EDT	HAIL 0.5	Brick Twp, NJ
Jun 1, 7:02 PM EDT	HAIL 1	Wall Twp, NJ

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 1, 12:58 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.2 hours before the alert went out and 143 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 83 J/kg
Mixed-layer CIN: -625 J/kg
Mixed-layer LCL: 1113 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 157 m²/s²
0-3 km storm-relative helicity: 227 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

776 
WUUS51 KPHI 012211
SVRPHI
NJC025-029-012315-
/O.NEW.KPHI.SV.W.0086.110601T2211Z-110601T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
611 PM EDT WED JUN 1 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
  NORTHERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...
  THIS INCLUDES THE CITY OF TOMS RIVER...

* UNTIL 715 PM EDT

* AT 607 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR WOODRUFF...OR 16 MILES SOUTHEAST OF
  TRENTON...AND MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  JACKSON AND JACKSONS MILLS AROUND 620 PM EDT...
  FREEWOOD ACRES AROUND 625 PM EDT...
  LAKEWOOD AND LEISURE VILLAGE AROUND 630 PM EDT...
  BRICK TOWNSHIP AROUND 635 PM EDT...
  MANASQUAN...MANTOLOKING AND BELMAR AROUND 640 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NEW JERSEY AND EASTERN PENNSYLVANIA.

&&

LAT...LON 4014 7402 4005 7402 4003 7404 4000 7403
      3993 7406 3994 7410 3994 7411 3998 7451
      4017 7461 4017 7458 4019 7456 4029 7397
TIME...MOT...LOC 2211Z 267DEG 39KT 4009 7445

$$

MPD

1 follow-up statement

952 
WWUS51 KPHI 012236
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
636 PM EDT WED JUN 1 2011

NJC025-029-012315-
/O.CON.KPHI.SV.W.0086.000000T0000Z-110601T2315Z/
MONMOUTH NJ-OCEAN NJ-
636 PM EDT WED JUN 1 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR NORTHEASTERN OCEAN AND SOUTHEASTERN MONMOUTH COUNTIES...

AT 631 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE AN AREA OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE 
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM WEST FREEHOLD TO 
SILVER RIDGE...OR ALONG A LINE EXTENDING FROM 18 MILES SOUTHEAST OF 
NEW BRUNSWICK TO TOMS RIVER...MOVING EAST AT 35 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  COLLINGWOOD PARK...SEASIDE HEIGHTS...LAVALLETTE AND BRICK TOWNSHIP
  BY 645 PM EDT...
  POINT PLEASANT...MANTOLOKING...BRIELLE AND BAY HEAD BY 650 PM
  EDT...
  OAKHURST AND WEST BELMAR BY 655 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY 
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

&&

LAT...LON 3994 7410 3994 7411 3996 7435 4008 7440
      4022 7436 4029 7397 4014 7402 4005 7402
      4003 7404 4000 7403 3993 7406
TIME...MOT...LOC 2236Z 270DEG 29KT 4024 7424 3994 7417

$$

MPD

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 1, 1:57 PM EDT	Severe Thunderstorm Warning	PHI	Warren	63 min
Jun 1, 3:08 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	16 min
Jun 1, 3:26 PM EDT	Special Weather Statement	PHI	Sussex	64 min
Jun 1, 4:00 PM EDT	Small Craft Advisory	PHI		35 hr
Jun 1, 4:05 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex, Warren	40 min
Jun 1, 4:15 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Monmouth, Somerset	45 min
Jun 1, 4:31 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	59 min
Jun 1, 4:59 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Monmouth	61 min
Jun 1, 5:23 PM EDT	Special Weather Statement	PHI	Salem	67 min
Jun 1, 5:50 PM EDT	Special Marine Warning	PHI		40 min
Jun 1, 6:42 PM EDT	Special Marine Warning	PHI		63 min
Jun 1, 7:22 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	43 min

Nearby

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

Sources

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.