Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 130, NWS Philadelphia/Mount Holly

July 26, 2012Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 26, 2012, 7:28 PM EDT for Monmouth County, New Jersey. It was in force for 63 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
Jul 26, 2012, 7:28 PM EDT (23:28 UTC)
Expired
Jul 26, 2012, 8:31 PM EDT
In force
63 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

County Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 35 km from the middle of the area, began a volume at 23:30 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
Jul 26, 7:50 PM EDTTSTM WND DMGHolmdel, NJTREES DOWN ALONG GARDEN STATE PARKWAY.
Jul 26, 8:00 PM EDTMARINE TSTM WIND 52Sandy Hook, 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.

IssuedProductOfficeLasted
Jul 26, 3:57 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.5 hours before the alert went out and 136 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 2012-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1459 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
160 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.

602 
WUUS51 KPHI 262328
SVRPHI
NJC025-270045-
/O.NEW.KPHI.SV.W.0130.120726T2328Z-120727T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
728 PM EDT THU JUL 26 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...

* UNTIL 845 PM EDT

* AT 726 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 EXTENDED FROM NEAR
  NEW BRUNSWICK TO AROUND PRINCETON...AND IT WAS MOVING EAST AT 45
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ROBERTSVILLE AND YORKETOWN AROUND 740 PM EDT...
  MORGANVILLE...MARLBORO AND MATAWAN AROUND 745 PM EDT...
  HOLMDEL...MIDDLETOWN AND EAST FREEHOLD AROUND 750 PM EDT...
  LINCROFT AND RED BANK AROUND 755 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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT 
THURSDAY EVENING FOR NEW JERSEY.

&&

LAT...LON 4010 7403 4009 7408 4013 7411 4010 7415
      4011 7423 4017 7426 4017 7441 4010 7452
      4009 7456 4018 7462 4019 7457 4025 7448
      4027 7440 4045 7422 4046 7415 4042 7400
      4048 7401 4047 7399 4036 7396
TIME...MOT...LOC 2327Z 291DEG 38KT 4042 7447

$$

IOVINO
2 follow-up statements
303 
WWUS51 KPHI 270005
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
805 PM EDT THU JUL 26 2012

NJC025-270045-
/O.CON.KPHI.SV.W.0130.000000T0000Z-120727T0045Z/
MONMOUTH NJ-
805 PM EDT THU JUL 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR MONMOUTH COUNTY...

AT 800 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 FROM SANDY HOOK TO FREEHOLD TO ALLENTOWN...MOVING EAST AT 45 
MPH.

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.

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 1100 PM EDT 
THURSDAY EVENING FOR NEW JERSEY.

&&

LAT...LON 4010 7403 4009 7408 4013 7411 4010 7415
      4011 7423 4017 7426 4017 7441 4010 7452
      4009 7456 4018 7462 4019 7457 4025 7448
      4027 7440 4045 7422 4046 7415 4042 7400
      4048 7401 4047 7399 4036 7396
TIME...MOT...LOC 0004Z 291DEG 38KT 4028 7399

$$

IOVINO
378 
WWUS51 KPHI 270031
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
831 PM EDT THU JUL 26 2012

NJC025-270041-
/O.CAN.KPHI.SV.W.0130.000000T0000Z-120727T0045Z/
MONMOUTH NJ-
831 PM EDT THU JUL 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR MONMOUTH 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 4010 7403 4009 7408 4013 7411 4010 7415
      4011 7423 4017 7426 4017 7441 4010 7452
      4009 7456 4018 7462 4019 7457 4025 7448
      4027 7440 4045 7422 4046 7415 4042 7400
      4048 7401 4047 7399 4036 7396
TIME...MOT...LOC 0031Z 291DEG 38KT 4018 7364

$$

IOVINO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 5:26 AM EDTRip Current StatementPHIAtlantic, Cape May, Monmouth, Ocean18 hr
Jul 26, 6:54 AM EDTSpecial Weather StatementPHIHunterdon, Middlesex, Morris, Somerset, Warren66 min
Jul 26, 7:41 AM EDTSpecial Weather StatementPHISussex, Warren64 min
Jul 26, 5:46 PM EDTSevere Thunderstorm WarningPHISussex, Warren74 min
Jul 26, 6:22 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset83 min
Jul 26, 6:59 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex76 min
Jul 26, 7:31 PM EDTSpecial Marine WarningPHI89 min
Jul 26, 7:37 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester, Ocean83 min
Jul 26, 7:58 PM EDTSpecial Marine WarningPHI2 hr

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.