Alert archive / New Jersey / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 91, NWS Philadelphia/Mount Holly

July 27, 2005Mercer County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 27, 2005, 6:13 PM EDT for Mercer County, Somerset County, New Jersey. It was in force for 62 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
Jul 27, 2005, 6:13 PM EDT (22:13 UTC)
Expired
Jul 27, 2005, 7:15 PM EDT
In force
62 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

Counties Mercer County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 52 km from the middle of the area, began a volume at 22:14 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 27, 1:50 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.2 hours before the alert went out and 149 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 2005-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1105 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, Phillips Aaf/Abe, MD at 12:00Z on 2005-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
1105 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1506 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
29 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 272213
SVRPHI
NJC021-035-272315-
/O.NEW.KPHI.SV.W.0091.050727T2213Z-050727T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
613 PM EDT WED JUL 27 2005

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MERCER COUNTY IN CENTRAL NEW JERSEY
  SOUTHERN SOMERSET COUNTY IN NORTHERN NEW JERSEY

* UNTIL 715 PM EDT

* AT 610 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 6 MILES NORTHWEST OF
  EWING...OR ABOUT 9 MILES NORTHWEST OF TRENTON...AND MOVING EAST AT
  20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EWING BY 620 PM EDT
  PENNINGTON BY 625 PM EDT
  LAWRENCEVILLE AND HOPEWELL BY 630 PM EDT
  PRINCETON BY 640 PM EDT
  ROCKY HILL BY 645 PM EDT

HEAVY RAIN...GUSTY WINDS AND HAIL ARE POSSIBLE WITH THESE STORMS.

LAT...LON 4035 7497 4026 7487 4022 7474 4025 7451
      4032 7465 4054 7450 4035 7486


$$

NIERENBERG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 4:23 PM EDTSevere Thunderstorm WarningPHISussex52 min
Jul 27, 4:58 PM EDTSevere Thunderstorm WarningPHIWarren47 min
Jul 27, 5:16 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris44 min
Jul 27, 6:44 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden61 min
Jul 27, 7:05 PM EDTSevere Thunderstorm WarningPHIMonmouth40 min
Jul 27, 7:20 PM EDTSpecial Marine WarningPHI85 min
Jul 27, 7:37 PM EDTSevere Thunderstorm WarningPHISalem53 min
Jul 27, 7:54 PM EDTSpecial Marine WarningPHI96 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2005Every 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.