Alert archive / New Jersey / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 43, NWS Philadelphia/Mount Holly

June 2, 2009Cumberland County, Salem County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 2, 2009, 3:38 PM EDT for Cumberland County, Salem County, New Jersey. It was in force for 67 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
Jun 2, 2009, 3:38 PM EDT (19:38 UTC)
Expired
Jun 2, 2009, 4:45 PM EDT
In force
67 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Cumberland County, NJ, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 78 km from the middle of the area, began a volume at 19:40 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
Jun 2, 3:45 PM EDTTSTM WND DMGPennsville, NJTREES KNOCKED DOWN IN PENNSVILLE.
Jun 2, 3:58 PM EDTTSTM WND DMG2 Ese Salem, NJA COUPLE OF 2-FOOT DIAMETER TREES KNOCKED DOWN IN QUINTON.
Jun 2, 4:20 PM EDTTSTM WND DMGVineland, NJNUMEROUS TREES AND TREE LIMBS DOWN.
Jun 2, 4:25 PM EDTTSTM WND GST 60Millville, NJAN ESTIMATED 60 MPH WIND GUST WAS REPORTED IN MILLVILLE, PROBABLY ASSOCIATED WITH AN OUTFLOW BOUNDARY FROM AN INCOMING SEVERE THUNDERSTORM.

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
Jun 2, 1:58 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.6 hours before the alert went out and 60 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, Phillips Aaf/Abe, MD at 12:00Z on 2009-06-02Temperature 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, Phillips Aaf/Abe, MD at 12:00Z on 2009-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1348 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
63 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.

000 
WUUS51 KPHI 021938
SVRPHI
NJC011-033-022045-
/O.NEW.KPHI.SV.W.0043.090602T1938Z-090602T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
338 PM EDT TUE JUN 2 2009

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
  THIS INCLUDES THE CITIES OF...VINELAND...MILLVILLE...
  SALEM COUNTY IN SOUTHERN NEW JERSEY...
  THIS INCLUDES THE CITY OF SALEM...

* UNTIL 445 PM EDT

* AT 337 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  PENNSVILLE...OR 6 MILES SOUTHWEST OF WILMINGTON...AND MOVING
  SOUTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PENNSVILLE AROUND 345 PM EDT...
  SALEM AROUND 355 PM EDT...
  ALLOWAY AROUND 400 PM EDT...
  SHILOH AROUND 410 PM EDT...
  SEABROOK FARMS AROUND 415 PM EDT...
  BRIDGETON AND FAIRTON AROUND 420 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
TUESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY AND SOUTHEAST PENNSYLVANIA.

&&

LAT...LON 3921 7513 3951 7556 3952 7554 3957 7553
      3961 7558 3962 7558 3967 7552 3970 7551
      3972 7548 3945 7492
TIME...MOT...LOC 1938Z 309DEG 34KT 3966 7560

$$
JJM
1 follow-up statement
000 
WWUS51 KPHI 022013
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
413 PM EDT TUE JUN 2 2009

NJC011-033-022045-
/O.CON.KPHI.SV.W.0043.000000T0000Z-090602T2045Z/
SALEM NJ-CUMBERLAND NJ-
413 PM EDT TUE JUN 2 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR CUMBERLAND AND SOUTHERN SALEM COUNTIES...

AT 410 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR SEABROOK FARMS...OR 13 MILES NORTHWEST OF MILLVILLE...
MOVING SOUTHEAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  ROSENHAYN AND 8 MILES NORTHEAST OF FAIRTON BY 420 PM EDT...
  SOUTH VINELAND BY 425 PM EDT...
  MILLVILLE AND VINELAND BY 430 PM EDT...
  LAUREL LAKE BY 435 PM EDT...

WIND GUSTS UP TO 60 MPH WAS REPORTED WITH THIS STORM NEAR 
PENNSVILLE, ALONG WITH PENNY SIZE HAIL IN SOME LOCATIONS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT 
TUESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN 
NEW JERSEY AND SOUTHEAST PENNSYLVANIA.

&&

LAT...LON 3949 7552 3953 7549 3959 7543 3962 7528
      3945 7492 3921 7513
TIME...MOT...LOC 2011Z 301DEG 35KT 3951 7522

$$

JJM/TC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 2:53 PM EDTSevere Thunderstorm WarningPHICamden, Cumberland, Gloucester, Salem67 min
Jun 2, 4:22 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Ocean53 min
Jun 2, 4:30 PM EDTSpecial Marine WarningPHI60 min
Jun 2, 4:39 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland51 min
Jun 2, 4:40 PM EDTSpecial Marine WarningPHI95 min
Jun 2, 5:03 PM EDTSpecial Marine WarningPHI54 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2009Every severe thunderstorm warning in 2009

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.