Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 153, NWS Philadelphia/Mount Holly

August 3, 2012Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 3, 2012, 4:45 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 3, 2012, 4:45 PM EDT (20:45 UTC)
Expired
Aug 3, 2012, 5:45 PM EDT
In force
60 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 29 km from the middle of the area, began a volume at 20:48 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.8 hours before the alert went out and 139 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-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2012-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1291 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2012-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1291 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1006 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

827 
WUUS51 KPHI 032045
SVRPHI
NJC025-029-032145-
/O.NEW.KPHI.SV.W.0153.120803T2045Z-120803T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
445 PM EDT FRI AUG 3 2012

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
  NORTHEASTERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 545 PM EDT

* AT 444 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
  LAKEWOOD...OR 9 MILES NORTH OF TOMS RIVER...AND MOVING NORTH AT 5
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LAKEWOOD AROUND 505 PM EDT...
  6 MILES EAST OF JACKSONS MILLS AROUND 520 PM EDT...
  FREEWOOD ACRES...HOWELL...FARMINGDALE AND ADELPHIA AROUND 545 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.

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 4027 7428 4020 7401 3999 7417 4006 7436
TIME...MOT...LOC 2045Z 199DEG 5KT 4008 7424

$$

HEAVENER
2 follow-up statements
138 
WWUS51 KPHI 032106
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
506 PM EDT FRI AUG 3 2012

NJC025-029-032145-
/O.CON.KPHI.SV.W.0153.000000T0000Z-120803T2145Z/
MONMOUTH NJ-OCEAN NJ-
506 PM EDT FRI AUG 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTH CENTRAL OCEAN AND SOUTH CENTRAL MONMOUTH COUNTIES...

AT 501 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 LAKEWOOD...OR 11 MILES NORTH OF TOMS RIVER...MOVING
NORTH AT 5 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  6 MILES EAST OF JACKSONS MILLS BY 515 PM EDT...
  FREEWOOD ACRES...HOWELL...FARMINGDALE AND ADELPHIA BY 545 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 4018 7410 4003 7420 4008 7435 4025 7429
TIME...MOT...LOC 2106Z 199DEG 5KT 4011 7423

$$

HEAVENER
669 
WWUS51 KPHI 032137
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
537 PM EDT FRI AUG 3 2012

NJC025-029-032146-
/O.EXP.KPHI.SV.W.0153.000000T0000Z-120803T2145Z/
MONMOUTH NJ-OCEAN NJ-
537 PM EDT FRI AUG 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL OCEAN AND SOUTH
CENTRAL MONMOUTH COUNTIES WILL EXPIRE AT 545 PM EDT...

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 4018 7410 4003 7420 4008 7435 4025 7429
TIME...MOT...LOC 2136Z 199DEG 5KT 4015 7421

$$

HEAVENER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 3:38 PM EDTSpecial Weather StatementPHIBurlington67 min
Aug 3, 4:17 PM EDTSevere Thunderstorm WarningPHICumberland, Salem58 min
Aug 3, 4:21 PM EDTSpecial Marine WarningPHI84 min
Aug 3, 4:35 PM EDTSpecial Weather StatementPHIMonmouth55 min
Aug 3, 5:12 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester63 min
Aug 3, 5:35 PM EDTSpecial Weather StatementPHIMercer55 min
Aug 3, 5:42 PM EDTSpecial Weather StatementPHIMercer63 min
Aug 3, 5:46 PM EDTAreal Flood AdvisoryPHIGloucester101 min
Aug 3, 5:55 PM EDTSpecial Weather StatementPHIBurlington65 min
Aug 3, 6:20 PM EDTAreal Flood AdvisoryPHIBurlington, Mercer2 hr
Aug 3, 6:23 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer43 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2012Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.