Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 35, NWS Philadelphia/Mount Holly

June 22, 2012Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 22, 2012, 1:46 PM EDT for Ocean County, New Jersey. It was in force for 59 min. 2 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 22, 2012, 1:46 PM EDT (17:46 UTC)
Expired: Jun 22, 2012, 2:45 PM EDT
In force: 59 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 31 km from the middle of the area, began a volume at 17:48 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	Remark
Jun 22, 2:35 PM EDT	MARINE TSTM WIND 45	Tuckerton, NJ
Jun 22, 2:55 PM EDT	MARINE TSTM WIND 48	Tuckerton, 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 22, 1:41 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 5.8 hours before the alert went out and 168 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: 1129 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1361 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

446 
WUUS51 KPHI 221746
SVRPHI
NJC029-221845-
/O.NEW.KPHI.SV.W.0035.120622T1746Z-120622T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
146 PM EDT FRI JUN 22 2012

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 245 PM EDT

* AT 144 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  BEACH HAVEN...OR 18 MILES NORTHEAST OF ATLANTIC CITY...AND MOVING
  NORTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NORTH BEACH HAVEN AROUND 155 PM EDT...
  BEACH HAVEN WEST AROUND 200 PM EDT...
  SURF CITY AROUND 210 PM EDT...
  HARVEY CEDARS AROUND 220 PM EDT...
  7 MILES SOUTHEAST OF BARNEGAT LIGHT AROUND 230 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...LARGE 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...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.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR NEW JERSEY AND EASTERN PENNSYLVANIA.

&&

LAT...LON 3975 7409 3955 7423 3952 7427 3955 7440
      3980 7437 3984 7415 3976 7418 3972 7415
      3974 7414 3977 7415 3980 7413 3981 7410
      3984 7410 3985 7408
TIME...MOT...LOC 1746Z 247DEG 14KT 3959 7427

$$

NIERENBERG

1 follow-up statement

536 
WWUS51 KPHI 221822
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
222 PM EDT FRI JUN 22 2012

NJC029-221845-
/O.CON.KPHI.SV.W.0035.000000T0000Z-120622T1845Z/
OCEAN NJ-
222 PM EDT FRI JUN 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR SOUTHEASTERN OCEAN COUNTY...

AT 218 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR BARNEGAT...OR 13 MILES SOUTH OF TOMS RIVER...MOVING
NORTHEAST AT 15 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  WARETOWN BY 230 PM EDT...
  BARNEGAT LIGHT BY 240 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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR NEW JERSEY AND EASTERN PENNSYLVANIA. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR NORTHERN DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY.

&&

LAT...LON 3975 7409 3963 7424 3959 7424 3957 7427
      3952 7427 3955 7440 3980 7437 3984 7415
      3976 7418 3972 7415 3977 7415 3980 7413
      3981 7410 3984 7410 3985 7408
TIME...MOT...LOC 1822Z 242DEG 13KT 3977 7423

$$

PO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 10:12 AM EDT	Special Weather Statement	PHI	Ocean	33 min
Jun 22, 11:57 AM EDT	Special Weather Statement	PHI	Ocean	63 min
Jun 22, 12:15 PM EDT	Special Weather Statement	PHI	Ocean	60 min
Jun 22, 12:18 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	42 min
Jun 22, 12:21 PM EDT	Special Marine Warning	PHI		84 min
Jun 22, 12:23 PM EDT	Special Marine Warning	PHI		97 min
Jun 22, 12:44 PM EDT	Areal Flood Advisory	PHI	Ocean	2 hr
Jun 22, 12:53 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	52 min
Jun 22, 12:59 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	61 min
Jun 22, 1:10 PM EDT	Flash Flood Warning	PHI	Ocean	6 hr
Jun 22, 1:37 PM EDT	Special Weather Statement	PHI	Burlington	83 min
Jun 22, 1:42 PM EDT	Special Marine Warning	PHI		63 min
Jun 22, 1:49 PM EDT	Special Weather Statement	PHI	Ocean	56 min
Jun 22, 1:59 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Monmouth, Ocean	73 min
Jun 22, 2:04 PM EDT	Special Marine Warning	PHI		56 min
Jun 22, 2:31 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Monmouth, Ocean	119 min
Jun 22, 2:34 PM EDT	Special Weather Statement	PHI	Atlantic	56 min
Jun 22, 2:39 PM EDT	Special Marine Warning	PHI		96 min
Jun 22, 2:42 PM EDT	Special Weather Statement	PHI	Burlington, Ocean	63 min
Jun 22, 2:46 PM EDT	Special Weather Statement	PHI	Monmouth	59 min
Jun 22, 2:51 PM EDT	Special Marine Warning	PHI		54 min
Jun 22, 3:16 PM EDT	Special Weather Statement	PHI	Atlantic, Burlington, Camden, Ocean	59 min
Jun 22, 3:28 PM EDT	Special Marine Warning	PHI		62 min
Jun 22, 3:40 PM EDT	Special Marine Warning	PHI		65 min
Jun 22, 3:43 PM EDT	Areal Flood Advisory	PHI	Atlantic	2 hr
Jun 22, 3:55 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	65 min
Jun 22, 4:00 PM EDT	Flash Flood Warning	PHI	Burlington	43 min
Jun 22, 4:05 PM EDT	Special Marine Warning	PHI		85 min
Jun 22, 4:09 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	66 min
Jun 22, 4:11 PM EDT	Severe Thunderstorm Warning	PHI	Cape May, Cumberland	44 min
Jun 22, 4:15 PM EDT	Special Weather Statement	PHI	Atlantic, Burlington, Ocean	60 min
Jun 22, 4:26 PM EDT	Special Marine Warning	PHI		94 min
Jun 22, 4:27 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Ocean	2 hr
Jun 22, 4:49 PM EDT	Special Weather Statement	PHI	Cape May	56 min
Jun 22, 5:00 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	45 min
Jun 22, 5:05 PM EDT	Special Weather Statement	PHI	Atlantic, Ocean	55 min
Jun 22, 5:16 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	59 min
Jun 22, 5:23 PM EDT	Special Marine Warning	PHI		97 min
Jun 22, 5:45 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Monmouth, Morris, Somerset	42 min
Jun 22, 5:48 PM EDT	Special Weather Statement	PHI	Mercer	57 min
Jun 22, 5:54 PM EDT	Special Marine Warning	PHI		96 min
Jun 22, 6:13 PM EDT	Special Weather Statement	PHI	Burlington, Camden, Gloucester, Mercer, Ocean, Salem	62 min
Jun 22, 6:16 PM EDT	Special Weather Statement	PHI	Burlington, Camden, Gloucester, Mercer, Ocean, Salem	119 min
Jun 22, 7:02 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	102 min
Jun 22, 7:04 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	56 min
Jun 22, 7:06 PM EDT	Severe Thunderstorm Warning	PHI	Salem	54 min
Jun 22, 7:30 PM EDT	Special Marine Warning	PHI		60 min
Jun 22, 7:42 PM EDT	Flash Flood Warning	PHI	Salem	93 min
Jun 22, 7:52 PM EDT	Flash Flood Warning	PHI	Burlington, Camden, Mercer, Monmouth	73 min
Jun 22, 7:57 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	69 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2012 Every severe thunderstorm warning in 2012

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.