Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 165, NWS Philadelphia/Mount Holly

August 1, 2016Cumberland County, Salem County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 1, 2016, 5:51 PM EDT for Cumberland County, Salem County, New Jersey. It was in force for 35 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 1, 2016, 5:51 PM EDT (21:51 UTC)
Expired
Aug 1, 2016, 6:26 PM EDT
In force
35 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Cumberland County, NJ, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 68 km from the middle of the area, began a volume at 21:54 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

Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.9 hours before the alert went out and 167 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, Wallops Is Stn, VA at 12:00Z on 2016-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 392 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, Wallops Is Stn, VA at 12:00Z on 2016-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
392 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
1089 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

332 
WUUS51 KPHI 012151
SVRPHI
NJC011-033-012245-
/O.NEW.KPHI.SV.W.0165.160801T2151Z-160801T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
551 PM EDT MON AUG 1 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SALEM COUNTY IN SOUTHERN NEW JERSEY...
  NORTHWESTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 645 PM EDT

* AT 551 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR HOPE CREEK...
  OR 11 MILES EAST OF MIDDLETOWN...MOVING NORTHEAST AT 20 MPH.

  HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  VINELAND...BRIDGETON...SALEM...WOODSTOWN...ALLOWAY...QUINTON...
  ELMER...GREENWICH...SHILOH...HANCOCKS BRIDGE...NEWPORT MEADOWS...
  OLIVET...SEABROOK FARMS...HOPE CREEK...ROSENHAYN AND CENTERTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

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.

&&

LAT...LON 3975 7542 3953 7501 3931 7538 3939 7549
      3931 7541 3928 7542 3931 7543 3934 7548
      3940 7554 3940 7553 3944 7557
TIME...MOT...LOC 2151Z 211DEG 15KT 3943 7550 

HAIL...1.25IN
WIND...60MPH
 
$$

NIERENBERG
2 follow-up statements
803 
WWUS51 KPHI 012213
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
613 PM EDT MON AUG 1 2016

NJC011-033-012245-
/O.CON.KPHI.SV.W.0165.000000T0000Z-160801T2245Z/
SALEM NJ-CUMBERLAND NJ-
613 PM EDT MON AUG 1 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SALEM AND NORTHWESTERN CUMBERLAND COUNTIES...

AT 613 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HANCOCKS
BRIDGE...OR 12 MILES NORTHWEST OF BRIDGETON...MOVING NORTHEAST AT 15
MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
VINELAND...BRIDGETON...SALEM...WOODSTOWN...ALLOWAY...QUINTON...ELMER...
GREENWICH...SHILOH...HANCOCKS BRIDGE...NEWPORT MEADOWS...OLIVET...
SEABROOK FARMS...ROSENHAYN AND CENTERTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3975 7542 3970 7533 3969 7532 3969 7531
      3953 7501 3937 7535 3939 7540 3947 7552
TIME...MOT...LOC 2213Z 211DEG 15KT 3951 7544 

HAIL...1.00IN
WIND...60MPH
 
$$
973 
WWUS51 KPHI 012226
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
626 PM EDT MON AUG 1 2016

NJC011-033-012236-
/O.CAN.KPHI.SV.W.0165.000000T0000Z-160801T2245Z/
SALEM NJ-CUMBERLAND NJ-
626 PM EDT MON AUG 1 2016

...THE SEVERE THUNDERSTORM WARNING FOR SALEM AND NORTHWESTERN
CUMBERLAND COUNTIES IS CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.  HOWEVER HEAVY RAIN IS
STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3975 7542 3970 7533 3969 7532 3969 7531
      3953 7501 3937 7535 3939 7540 3947 7552
TIME...MOT...LOC 2223Z 211DEG 15KT 3956 7540 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 8:02 PM EDTAreal Flood WarningPHISomerset4 hr
Jul 31, 8:10 PM EDTAreal Flood AdvisoryPHIMorris4 hr
Aug 1, 7:26 AM EDTSpecial Weather StatementPHIOcean49 min
Aug 1, 3:18 PM EDTSpecial Weather StatementPHISalem87 min
Aug 1, 3:56 PM EDTSpecial Marine WarningPHI64 min
Aug 1, 3:56 PM EDTSpecial Marine WarningPHI64 min
Aug 1, 5:33 PM EDTAreal Flood AdvisoryPHICumberland4 hr
Aug 1, 5:39 PM EDTSpecial Marine WarningPHI66 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2016Every severe thunderstorm warning in 2016

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.