Alert archive / New Jersey / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 4, NWS Philadelphia/Mount Holly

April 22, 2015Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 22, 2015, 3:55 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 20 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
Apr 22, 2015, 3:55 PM EDT (19:55 UTC)
Expired
Apr 22, 2015, 4:15 PM EDT
In force
20 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 27 km from the middle of the area, began a volume at 19:58 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, 7.9 hours before the alert went out and 140 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 2015-04-22Temperature 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 2015-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 square meters per square second.1939587897117Sfc1 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
2154 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
162 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.

307 
WUUS51 KPHI 221955
SVRPHI
NJC025-029-222030-
/O.NEW.KPHI.SV.W.0004.150422T1955Z-150422T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
355 PM EDT WED APR 22 2015

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

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

* UNTIL 430 PM EDT

* AT 353 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR RED
  BANK TO FARMINGDALE TO NEAR BROOKVILLE...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TOMS RIVER...LONG BRANCH...ASBURY PARK...LAKEWOOD...MIDDLETOWN...
  JACKSON...HOWELL...BARNEGAT...TINTON FALLS...HOLMDEL...RED BANK...
  BEACHWOOD...MANASQUAN...POINT PLEASANT BEACH...SEASIDE HEIGHTS...
  LAKEHURST...FARMINGDALE...MANTOLOKING...PLEASANT PLAINS AND CEDAR
  GLEN WEST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS HAVE A HISTORY OF PRODUCING WIND DAMAGE IN PHILADELPHIA 
AS WELL AS SOUTHERN AND CENTRAL NEW JERSEY. STRONG WINDS ARE ALSO 
OCCURRING AHEAD OF THE SHOWERS IN LITTLE PRECIPITATION. OCCASIONAL 
LIGHTNING STRIKES ARE BEING REPORTED WITH THESE STORMS. SEEK SHELTER 
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
  
&&

LAT...LON 4023 7399 4007 7404 4006 7408 4006 7412
      4005 7405 3979 7410 4001 7409 3999 7414
      3999 7411 3981 7417 3977 7410 3980 7417
      3978 7418 3976 7410 3973 7436 4006 7433
      4041 7417 4044 7414 4041 7402 4047 7400
TIME...MOT...LOC 1953Z 255DEG 44KT 4036 7402 4018 7416 3982 7429 

$$

JRK
1 follow-up statement
147 
WWUS51 KPHI 222015
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
415 PM EDT WED APR 22 2015

NJC025-029-222024-
/O.CAN.KPHI.SV.W.0004.000000T0000Z-150422T2030Z/
OCEAN NJ-MONMOUTH NJ-
415 PM EDT WED APR 22 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OCEAN AND EASTERN
MONMOUTH COUNTIES IS CANCELLED...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4023 7399 4007 7404 4006 7408 4006 7412
      4005 7405 3979 7410 4001 7409 3999 7414
      3999 7411 3981 7417 3977 7410 3980 7417
      3978 7418 3976 7410 3973 7436 4006 7433
      4041 7417 4044 7414 4041 7402 4047 7400
TIME...MOT...LOC 2012Z 255DEG 44KT 4042 7371 4024 7385 3988 7399 

$$

JRK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 1:33 PM EDTSpecial Weather StatementPHIHunterdon, Sussex, Warren57 min
Apr 22, 1:58 PM EDTSpecial Marine WarningPHI2 hr
Apr 22, 2:22 PM EDTSpecial Weather StatementPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more113 min
Apr 22, 3:00 PM EDTSpecial Marine WarningPHI2 hr
Apr 22, 3:09 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Mercer and 4 more51 min
Apr 22, 4:00 PM EDTSpecial Marine WarningPHI60 min
Apr 22, 4:05 PM EDTSevere Thunderstorm WarningPHICape May25 min
Apr 22, 4:56 PM EDTSpecial Marine WarningPHI64 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2015Every severe thunderstorm warning in 2015

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.