Alert archive / New Jersey / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 56, NWS Philadelphia/Mount Holly

June 1, 2006Mercer County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 1, 2006, 7:29 PM EDT for Mercer County, New Jersey. It was in force for 61 min. 1 report 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 1, 2006, 7:29 PM EDT (23:29 UTC)
Expired
Jun 1, 2006, 8:30 PM EDT
In force
61 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

County Mercer County, NJ

The radar

The Philadelphia radar (KDIX), 49 km from the middle of the area, began a volume at 23:30 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 1, 8:00 PM EDTTSTM WND DMGEwing, NJWIRES DOWN COUNTYWIDE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 11.5 hours before the alert went out and 145 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 2006-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 174 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2006-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 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
174 J/kg
Mixed-layer CIN
-147 J/kg
Mixed-layer LCL
1055 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
15 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 012329
SVRPHI
NJC021-020030-
/O.NEW.KPHI.SV.W.0056.060601T2329Z-060602T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
729 PM EDT THU JUN 1 2006

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

* UNTIL 830 PM EDT

* AT 726 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 9 MILES WEST OF
  PENNINGTON...OR ABOUT 13 MILES NORTHWEST OF TRENTON...AND MOVING
  EAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PENNINGTON AND EWING BY 800 PM EDT...
  LAWRENCEVILLE AND 6 MILES NORTH OF TRENTON BY 810 PM EDT...
  PRINCETON AND 8 MILES NORTH OF WHITE HORSE BY 820 PM EDT...
  MERCERVILLE-HAMILTON SQUARE BY 825 PM EDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 4035 7495 4017 7474 4021 7460 4038 7464

$$

RPW

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 2:02 PM EDTSevere Thunderstorm WarningPHISussex43 min
Jun 1, 2:12 PM EDTSpecial Marine WarningPHI63 min
Jun 1, 2:33 PM EDTSpecial Marine WarningPHI37 min
Jun 1, 3:05 PM EDTSevere Thunderstorm WarningPHISussex55 min
Jun 1, 6:33 PM EDTSevere Thunderstorm WarningPHIHunterdon42 min
Jun 1, 7:22 PM EDTSevere Thunderstorm WarningPHIHunterdon, Somerset38 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2006Every severe thunderstorm warning in 2006

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.