Alert archive / New Jersey / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 28, NWS Philadelphia/Mount Holly

May 22, 2014Cumberland County, Gloucester County, Salem County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 22, 2014, 4:48 PM EDT for Cumberland County, Gloucester County, Salem County, New Jersey. It was in force for 42 min. 6 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
May 22, 2014, 4:48 PM EDT (20:48 UTC)
Expired
May 22, 2014, 5:30 PM EDT
In force
42 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ

What was reported inside it

TimeReportWhereRemark
May 22, 4:50 PM EDTHAIL 0.75Mullica Hill, NJON ROAD
May 22, 5:00 PM EDTHAIL 11 Nw Woodstown, NJ
May 22, 5:26 PM EDTHAIL 1.75Woodruff, NJ
May 22, 5:30 PM EDTHAIL 1.55 Ne Fairfield Twp, NJ
May 22, 5:30 PM EDTHAIL 1.5Upper Deerfield Twp, NJ
May 22, 5:33 PM EDTHAIL 1Rosenhayn, NJHAIL COVERED THE ROADWAYS.

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
May 22, 2:18 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 8.8 hours before the alert went out and 178 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 2014-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 413 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2014-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
413 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
1075 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

493 
WUUS51 KPHI 222048
SVRPHI
NJC011-015-033-222130-
/O.NEW.KPHI.SV.W.0028.140522T2048Z-140522T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
448 PM EDT THU MAY 22 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  EASTERN SALEM COUNTY IN SOUTHERN NEW JERSEY...
  NORTHERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 530 PM EDT

* AT 446 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
  MULLICA HILL TO PENNS GROVE...MOVING SOUTHEAST AT 35 MPH. THESE
  STORMS ARE CAPABLE OF PRODUCING ONE INCH DIAMETER HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  FRANKLINVILLE AND WOODSTOWN AROUND 500 PM EDT...
  ELMER AROUND 505 PM EDT...
  MALAGA AND NEWFIELD AROUND 510 PM EDT...
  OLIVET AROUND 515 PM EDT...
  VINELAND AROUND 520 PM EDT...
  SHILOH AND BRIDGETON AROUND 525 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE WINDS OF MORE THAN 57 MPH...OR HAIL ONE
INCH OR LARGER.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY.

&&

LAT...LON 3941 7531 3977 7545 3973 7514 3954 7496
      3952 7498 3944 7488 3941 7485 3938 7485
TIME...MOT...LOC 2047Z 325DEG 29KT 3969 7522 3974 7541

$$

FORECASTER:  DRAG
2 follow-up statements
127 
WWUS51 KPHI 222116
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
516 PM EDT THU MAY 22 2014

NJC011-015-033-222130-
/O.CON.KPHI.SV.W.0028.000000T0000Z-140522T2130Z/
GLOUCESTER NJ-SALEM NJ-CUMBERLAND NJ-
516 PM EDT THU MAY 22 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHERN CUMBERLAND...EASTERN SALEM AND SOUTH CENTRAL GLOUCESTER
COUNTIES...

AT 512 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING ONE INCH
DIAMETER HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM CENTERTON TO ALLOWAY...
MOVING SOUTHEAST AT 30 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
SOUTH VINELAND AND VINELAND AROUND 525 PM EDT...
SEABROOK FARMS AND BRIDGETON AROUND 530 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY.

&&

LAT...LON 3941 7531 3956 7537 3964 7535 3970 7523
      3960 7502 3953 7496 3952 7498 3941 7485
      3938 7485
TIME...MOT...LOC 2116Z 328DEG 25KT 3950 7509 3959 7529

$$

FORECASTER:  DRAG
248 
WWUS51 KPHI 222122
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
522 PM EDT THU MAY 22 2014

NJC011-015-033-222130-
/O.CON.KPHI.SV.W.0028.000000T0000Z-140522T2130Z/
GLOUCESTER NJ-SALEM NJ-CUMBERLAND NJ-
522 PM EDT THU MAY 22 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHERN CUMBERLAND...SOUTHEASTERN SALEM AND SOUTH CENTRAL
GLOUCESTER COUNTIES...

AT 517 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING ONE INCH DIAMETER
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR OLIVET...OR 9 MILES NORTH OF BRIDGETON...MOVING SOUTHEAST AT 35
MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
ROSENHAYN AND SOUTH VINELAND AROUND 530 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED SOME ROTATION WITHIN THIS STORM. WHILE
NOT IMMEDIATELY LIKELY...A TORNADO MAY DEVELOP. IF A TORNADO IS
SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS
INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
THURSDAY EVENING FOR NORTHERN NEW JERSEY AND EASTERN PENNSYLVANIA. A
SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY.

&&

LAT...LON 3941 7531 3962 7530 3966 7521 3960 7502
      3953 7496 3952 7498 3941 7485 3939 7486
      3938 7485
TIME...MOT...LOC 2122Z 306DEG 29KT 3954 7519

$$
 
TFG

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 2:20 AM EDTSpecial Weather StatementPHIMorris, Sussex55 min
May 22, 9:58 AM EDTSpecial Weather StatementPHIOcean62 min
May 22, 4:13 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem62 min
May 22, 4:22 PM EDTSevere Thunderstorm WarningPHIMercer38 min
May 22, 4:22 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem53 min
May 22, 4:53 PM EDTSpecial Weather StatementPHIMorris, Sussex52 min
May 22, 4:57 PM EDTSpecial Marine WarningPHI48 min
May 22, 5:28 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland, Salem47 min
May 22, 5:34 PM EDTSpecial Weather StatementPHIMorris56 min
May 22, 5:52 PM EDTSpecial Marine WarningPHI83 min
May 22, 5:53 PM EDTSpecial Marine WarningPHI67 min
May 22, 6:14 PM EDTSevere Thunderstorm WarningPHICape May31 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2014Every severe thunderstorm warning in 2014

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.