Alert archive / New Jersey / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 24, NWS Philadelphia/Mount Holly

May 28, 20054 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 28, 2005, 4:45 PM EDT for 4 counties in New Jersey. It was in force for 45 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: May 28, 2005, 4:45 PM EDT (20:45 UTC)
Expired: May 28, 2005, 5:30 PM EDT
In force: 45 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

Counties Burlington County, NJ, Mercer County, NJ, Middlesex County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 45 km from the middle of the area, began a volume at 20:47 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, 8.8 hours before the alert went out and 162 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1800 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 106 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 282045
SVRPHI
NJC005-021-023-035-282130-
/O.NEW.KPHI.SV.W.0024.050528T2045Z-050528T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
445 PM EDT SAT MAY 28 2005

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MERCER COUNTY IN CENTRAL NEW JERSEY
  THIS INCLUDES THE CITY OF TRENTON
  MIDDLESEX COUNTY IN NORTHERN NEW JERSEY
  THIS INCLUDES THE CITY OF NEW BRUNSWICK
  SOMERSET COUNTY IN NORTHERN NEW JERSEY
  EXTREME NORTH CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 530 PM EDT

* AT 443 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR WHITE HORSE...OR
  ABOUT 6 MILES SOUTHEAST OF TRENTON...AND MOVING NORTHEAST AT 35
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  EWING...PENNINGTON...MERCERVILLE-HAMILTON SQUARE...LAWRENCEVILLE...
  ALLENTOWN...HOPEWELL...PRINCETON...TWIN RIVERS...ROCKY HILL...
  CLEARBROOK PARK...KENDALL PARK...DAYTON...JAMESBURG...MILLSTONE...
  MANVILLE...NORTH BRUNSWICK...SOMERVILLE...EAST BRUNSWICK...
  SOMERSET...BOUND BROOK...OLD BRIDGE...SOCIETY HILL...MIDDLESEX...
  SAYREVILLE AND EDISON.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL 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.

LAT...LON 4027 7484 4020 7477 4010 7465 4021 7454
      4046 7422 4068 7459

$$

RNS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 2:53 PM EDT	Special Marine Warning	PHI		97 min
May 28, 3:46 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	44 min
May 28, 4:10 PM EDT	Severe Thunderstorm Warning	PHI	Burlington	50 min
May 28, 4:15 PM EDT	Severe Thunderstorm Warning	PHI	Mercer	30 min
May 28, 4:27 PM EDT	Tornado Warning	PHI	Burlington	33 min
May 28, 4:36 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	54 min
May 28, 4:41 PM EDT	Tornado Warning	PHI	Burlington	22 min
May 28, 4:56 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic	36 min
May 28, 5:03 PM EDT	Special Marine Warning	PHI		42 min
May 28, 5:42 PM EDT	Special Marine Warning	PHI		63 min
May 28, 5:46 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	29 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2005 Every severe thunderstorm warning in 2005

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.