Alert archive / New Jersey / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 117, NWS Philadelphia/Mount Holly

June 28, 2007Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 28, 2007, 5:29 PM EDT for Morris 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 28, 2007, 5:29 PM EDT (21:29 UTC)
Expired
Jun 28, 2007, 6:30 PM EDT
In force
61 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

County Morris County, NJ

What was reported inside it

TimeReportWhereRemark
Jun 28, 5:45 PM EDTTSTM WND DMG6 Se Ogdensburg, NJA COUPLE OF TREES DOWN IN OAK RIDGE.

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 28, 2:07 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.5 hours before the alert went out and 134 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, Brookhaven, NY at 12:00Z on 2007-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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, Brookhaven, NY at 12:00Z on 2007-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 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
5 J/kg
Mixed-layer CIN
-305 J/kg
Mixed-layer LCL
1181 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
144 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 282129
SVRPHI
NJC027-282230-
/O.NEW.KPHI.SV.W.0117.070628T2129Z-070628T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
529 PM EDT THU JUN 28 2007

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 630 PM EDT

* AT 527 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 14
  MILES NORTHWEST OF KINNELON...OR ABOUT 25 MILES NORTHWEST OF
  PATERSON...AND MOVING EAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MOUNTAIN LAKES...BUTLER AND LINCOLN PARK

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 4108 7450 4096 7463 4084 7432 4098 7428

$$

NIERENBERG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 8:18 PM EDTSevere Thunderstorm WarningPHIWarren87 min
Jun 27, 8:56 PM EDTSevere Thunderstorm WarningPHIMorris69 min
Jun 27, 9:38 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester67 min
Jun 27, 10:02 PM EDTSpecial Marine WarningPHI58 min
Jun 27, 10:09 PM EDTSevere Thunderstorm WarningPHIMercer66 min
Jun 27, 10:40 PM EDTSevere Thunderstorm WarningPHIBurlington80 min
Jun 27, 10:47 PM EDTSevere Thunderstorm WarningPHICamden43 min
Jun 27, 10:57 PM EDTSevere Thunderstorm WarningPHIAtlantic63 min
Jun 27, 11:06 PM EDTSevere Thunderstorm WarningPHIMonmouth69 min
Jun 27, 11:10 PM EDTSpecial Marine WarningPHI95 min
Jun 27, 11:30 PM EDTSevere Thunderstorm WarningPHIOcean59 min
Jun 28, 3:40 PM EDTSpecial Marine WarningPHI95 min
Jun 28, 4:51 PM EDTSevere Thunderstorm WarningPHISussex54 min
Jun 28, 5:00 PM EDTFlash Flood WarningPHISussex3 hr
Jun 28, 7:24 PM EDTSevere Thunderstorm WarningPHIMercer66 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2007Every severe thunderstorm warning in 2007

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.