Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 174, NWS Philadelphia/Mount Holly

August 5, 2012Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 5, 2012, 10:47 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 43 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
Aug 5, 2012, 10:47 PM EDT (02:47 UTC)
Expired
Aug 5, 2012, 11:30 PM EDT
In force
43 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 52 km from the middle of the area, began a volume at 02:48 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

TimeReportWhereRemark
Aug 5, 10:47 PM EDTTSTM WND DMGEnglishtown, NJLARGE TREE LIMB BROKEN
Aug 5, 11:00 PM EDTTSTM WND GST 70Sandy Hook, NJ
Aug 5, 11:00 PM EDTMARINE TSTM WIND 70Sandy Hook, NJ
Aug 5, 11:25 PM EDTHAIL 0.5Ocean Grove, NJ

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

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 2.8 hours before the alert went out and 121 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 00:00Z on 2012-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1710 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 00:00Z on 2012-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.193958Sfc1 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
1710 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
748 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

275 
WUUS51 KPHI 060247
SVRPHI
NJC025-029-060330-
/O.NEW.KPHI.SV.W.0174.120806T0247Z-120806T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1047 PM EDT SUN AUG 5 2012

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
  THIS INCLUDES THE CITY OF SANDY HOOK...
  NORTH CENTRAL OCEAN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 1130 PM EDT

* AT 1044 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
  WEST FREEHOLD...AND MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EAST FREEHOLD...MARLBORO...HOWELL AND FARMINGDALE AROUND 1055 PM
  EDT...
  COLLINGWOOD PARK AND HOLMDEL AROUND 1100 PM EDT...
  TINTON FALLS AND LINCROFT AROUND 1105 PM EDT...
  RED BANK AROUND 1110 PM EDT...
  LONG BRANCH AROUND 1115 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 4019 7399 4012 7441 4027 7443 4028 7439
      4041 7425 4043 7425 4046 7421 4046 7412
      4043 7406 4042 7401 4048 7402 4048 7400
      4047 7398 4036 7396
TIME...MOT...LOC 0247Z 253DEG 32KT 4024 7430

$$

IOVINO
2 follow-up statements
059 
WWUS51 KPHI 060310
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1110 PM EDT SUN AUG 5 2012

NJC029-060320-
/O.CAN.KPHI.SV.W.0174.000000T0000Z-120806T0330Z/
OCEAN NJ-
1110 PM EDT SUN AUG 5 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL OCEAN COUNTY IS
CANCELLED...

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 4019 7399 4015 7426 4017 7426 4017 7429
      4034 7432 4046 7421 4046 7412 4042 7402
      4044 7400 4048 7402 4048 7400 4045 7398
      4036 7396
TIME...MOT...LOC 0310Z 253DEG 32KT 4030 7404

$$

NJC025-060330-
/O.CON.KPHI.SV.W.0174.000000T0000Z-120806T0330Z/
MONMOUTH NJ-
1110 PM EDT SUN AUG 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR EASTERN MONMOUTH COUNTY...

AT 1105 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 TINTON FALLS...OR 12 MILES SOUTHWEST OF SANDY HOOK...
MOVING EAST AT 35 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  LONG BRANCH...MONMOUTH BEACH...ELBERON AND RUMSON BY 1115 PM EDT...
  SEA BRIGHT...6 MILES SOUTH OF HIGHLANDS AND 9 MILES SOUTH OF SANDY
  HOOK BY 1120 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 4019 7399 4015 7426 4017 7426 4017 7429
      4034 7432 4046 7421 4046 7412 4042 7402
      4044 7400 4048 7402 4048 7400 4045 7398
      4036 7396
TIME...MOT...LOC 0310Z 253DEG 32KT 4030 7404

$$

HAYES
931 
WWUS51 KPHI 060327
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1127 PM EDT SUN AUG 5 2012

NJC025-060337-
/O.EXP.KPHI.SV.W.0174.000000T0000Z-120806T0330Z/
MONMOUTH NJ-
1127 PM EDT SUN AUG 5 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MONMOUTH COUNTY WILL
EXPIRE AT 1130 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 4019 7399 4015 7426 4017 7426 4017 7429
      4034 7432 4046 7421 4046 7412 4042 7402
      4044 7400 4048 7402 4048 7400 4045 7398
      4036 7396
TIME...MOT...LOC 0327Z 253DEG 32KT 4034 7385

$$

HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 9:17 PM EDTSpecial Weather StatementPHIAtlantic, Camden, Cape May, Cumberland, Gloucester, Salem58 min
Aug 5, 9:48 PM EDTSpecial Weather StatementPHIBurlington, Mercer, Monmouth57 min
Aug 5, 10:00 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Monmouth, Ocean60 min
Aug 5, 10:14 PM EDTSpecial Marine WarningPHI2 hr
Aug 5, 10:42 PM EDTSpecial Weather StatementPHIMonmouth48 min
Aug 5, 11:02 PM EDTSpecial Weather StatementPHIOcean58 min
Aug 5, 11:25 PM EDTSpecial Marine WarningPHI65 min
Aug 5, 11:31 PM EDTAreal Flood AdvisoryPHISalem3 hr
Aug 5, 11:42 PM EDTSpecial Weather StatementPHIGloucester, Salem63 min
Aug 6, 12:00 AM EDTSpecial Weather StatementPHIBurlington, Camden, Gloucester60 min
Aug 6, 12:38 AM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more3 hr
Aug 6, 12:46 AM EDTSpecial Weather StatementPHIBurlington, Camden, Ocean59 min
Aug 6, 1:09 AM EDTSpecial Weather StatementPHIAtlantic66 min
Aug 6, 1:36 AM EDTSpecial Marine WarningPHI54 min
Aug 6, 2:23 AM EDTSpecial Weather StatementPHIAtlantic67 min
Aug 6, 3:32 AM EDTSpecial Weather StatementPHIAtlantic, Cumberland58 min
Aug 6, 5:21 AM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Cumberland, Gloucester, Ocean113 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.