Alert archive / New Jersey / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 135, NWS Philadelphia/Mount Holly

July 11, 2007Hunterdon County, Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 11, 2007, 3:32 PM EDT for Hunterdon County, Morris County, New Jersey. It was in force for 43 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 11, 2007, 3:32 PM EDT (19:32 UTC)
Expired
Jul 11, 2007, 4:15 PM EDT
In force
43 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

Counties Hunterdon County, NJ, Morris County, NJ

The radar

The Philadelphia radar (KDIX), 96 km from the middle of the area, began a volume at 19:35 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, 7.5 hours before the alert went out and 164 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 2007-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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 2007-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
93 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
668 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
66 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 111932
SVRPHI
NJC019-027-112015-
/O.NEW.KPHI.SV.W.0135.070711T1932Z-070711T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
332 PM EDT WED JUL 11 2007

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

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

* UNTIL 415 PM EDT

* AT 331 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR CALIFON...OR
  ABOUT 27 MILES EAST OF BETHLEHEM...AND MOVING NORTHEAST AT 10 MPH.
  THE STORM IS ALSO PRODUCING VERY HEAVY RAIN. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LONG VALLEY BY 405 PM EDT...
  CHESTER BY 415 PM EDT...

LAT...LON 4073 7494 4064 7485 4081 7459 4087 7471

$$

EBERWINE
1 follow-up statement
000 
WWUS51 KPHI 111954
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
354 PM EDT WED JUL 11 2007

NJC019-112004-
/O.CAN.KPHI.SV.W.0135.000000T0000Z-070711T2015Z/
HUNTERDON NJ-
354 PM EDT WED JUL 11 2007

...THE SEVERE THUNDERSTORM WARNING FOR HUNTERDON COUNTY IS
CANCELLED...

LAT...LON 4078 7487 4074 7482 4072 7473 4081 7459
      4087 7471

$$

NJC027-112015-
/O.CON.KPHI.SV.W.0135.000000T0000Z-070711T2015Z/
MORRIS NJ-
354 PM EDT WED JUL 11 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR WEST CENTRAL MORRIS COUNTY...

AT 352 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR
CHESTER...OR ABOUT 27 MILES NORTHWEST OF NEW BRUNSWICK...MOVING
NORTHEAST AT 35 MPH.

LAT...LON 4078 7487 4074 7482 4072 7473 4081 7459
      4087 7471

$$

EBERWINE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 9:50 PM EDTMarine Weather StatementPHI14 hr
Jul 11, 3:07 PM EDTSevere Thunderstorm WarningPHISussex38 min
Jul 11, 5:17 PM EDTMarine Weather StatementPHI3 hr
Jul 11, 6:57 PM EDTSpecial Marine WarningPHI48 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.