Alert archive / New Jersey / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 5, NWS Philadelphia/Mount Holly

May 16, 2007Hunterdon County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 16, 2007, 3:05 PM EDT for Hunterdon County, Somerset County, New Jersey. It was in force for 55 min. 11 reports 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
May 16, 2007, 3:05 PM EDT (19:05 UTC)
Expired
May 16, 2007, 4:00 PM EDT
In force
55 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

Counties Hunterdon County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 78 km from the middle of the area, began a volume at 19:08 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
May 16, 3:25 PM EDTTSTM WND GST 05 Ne Lambertville, NJ60 MPH WIND GUST MEASURED IN RINGOES.
May 16, 3:25 PM EDTTSTM WND GST 606 S Flemington, NJESTIMATED WIND GUST OF 60 MPH IN RINGOES.
May 16, 3:30 PM EDTTSTM WND DMG5 Se Flemington, NJTREES AND WIRES REPORTED DOWN IN EAST AMWELL AND RARTIAN TOWNSHIPS.
May 16, 3:38 PM EDTTSTM WND DMG10 Sw Somerville, NJTREES AND WIRES REPORTED DOWN NEAR NESHANIC STATION.
May 16, 3:40 PM EDTTSTM WND GST 448 Sw Somerville, NJWIND GUST MEASURED TO 44 MPH IN HILLSBOROUGH.
May 16, 3:45 PM EDTTSTM WND DMGWestfield, NJWIND GUST OF 62 MPH...NUMEROUS TREES DOWN...POWERLINES DOWN
May 16, 3:50 PM EDTTSTM WND DMGRoselle Park, NJLARGE LIMBS AND TREE DOWN ON GRANT AVENUE NEAR GALLOPING HILL
May 16, 3:54 PM EDTTSTM WND DMGNewark, NJTREE ON HOUSE...202 SHEPHARD PLACE
May 16, 3:59 PM EDTTSTM WND GST 59Jersey City, NJEZRA NOLAN MIDDLE SCHOOL
May 16, 4:00 PM EDTTSTM WND DMGJersey City, NJTREE DOWN ON YALE STREET.
May 16, 4:06 PM EDTTSTM WND DMGNewark, NJTREE ON HOUSE...202 SHEPHARD PLACE

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
May 16, 1:26 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.1 hours before the alert went out and 146 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 2007-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2007-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -90 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1370 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-90 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KPHI 161906
SVRPHI
NJC019-035-162000-
/O.NEW.KPHI.SV.W.0005.070516T1905Z-070516T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
305 PM EDT WED MAY 16 2007

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOMERSET COUNTY IN NORTHERN NEW JERSEY...
  HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...

* UNTIL 400 PM EDT

* AT 304 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR FRENCHTOWN...OR
  ABOUT 21 MILES EAST OF BETHLEHEM...AND MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FLEMINGTON...LEBANON...CLINTON AND ANNANDALE BY 310 PM EDT...
  WHITE HOUSE STATION BY 315 PM EDT...
  SOMERVILLE AND MANVILLE BY 320 PM EDT...
  BOUND BROOK AND FAR HILLS BY 325 PM EDT...

LAT...LON 4062 7513 4044 7503 4038 7490 4062 7436
      4064 7359 4090 7366 4066 7435 4065 7454
      4074 7472 4074 7488

$$

MPD

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 2:37 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren38 min
May 16, 4:53 PM EDTSevere Thunderstorm WarningPHIGloucester52 min
May 16, 5:05 PM EDTSevere Thunderstorm WarningPHICamden40 min
May 16, 5:20 PM EDTSevere Thunderstorm WarningPHISalem40 min
May 16, 5:22 PM EDTSevere Thunderstorm WarningPHIBurlington38 min
May 16, 5:49 PM EDTSpecial Marine WarningPHI116 min
May 16, 6:55 PM EDTSpecial Marine WarningPHI2 hr

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; radar from the NEXRAD Level II archive.