Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 78, NWS Philadelphia/Mount Holly

June 15, 2008Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 15, 2008, 2:50 PM EDT for Monmouth County, New Jersey. It was in force for 25 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
Jun 15, 2008, 2:50 PM EDT (18:50 UTC)
Expired
Jun 15, 2008, 3:15 PM EDT
In force
25 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

County Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 41 km from the middle of the area, began a volume at 18:51 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, 6.8 hours before the alert went out and 125 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 2008-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 155 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 2008-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 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
155 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
592 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
9 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 151850
SVRPHI
NJC025-151915-
/O.NEW.KPHI.SV.W.0078.080615T1850Z-080615T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
250 PM EDT SUN JUN 15 2008

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN MONMOUTH COUNTY IN CENTRAL NEW JERSEY...

* UNTIL 315 PM EDT

* AT 246 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND  
  DAMAGING WINDS TO 60 MPH.  THIS STORM WAS LOCATED NEAR             
  COLLINGWOOD PARK...OR ABOUT 22 MILES SOUTHEAST OF PERTH 
  AMBOY...AND MOVING SOUTHEAST AT 14 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  7 MILES SOUTHWEST OF LONG BRANCH BY 255 PM...
  ELBERON BY 300 PM...
  ASBURY PARK BY 305 PM...
  BELMAR BY 310 PM...
  MANASQUAN BY 315 PM...

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 4016 7401 4010 7402 4009 7404 4010 7405
      4009 7407 4013 7411 4012 7414 4017 7422
      4038 7403 4034 7399 4034 7396 4032 7396
TIME...MOT...LOC 1850Z 304DEG 12KT 4023 7408

$$
 
TFG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 8:26 PM EDTSpecial Marine WarningPHI64 min
Jun 14, 8:35 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Somerset55 min
Jun 14, 8:38 PM EDTSevere Thunderstorm WarningPHIMonmouth52 min
Jun 14, 8:55 PM EDTFlash Flood WarningPHIMonmouth3 hr
Jun 14, 9:03 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean57 min
Jun 14, 9:25 PM EDTSpecial Marine WarningPHI65 min
Jun 14, 9:52 PM EDTSpecial Marine WarningPHI53 min
Jun 14, 9:56 PM EDTSevere Thunderstorm WarningPHICape May64 min
Jun 14, 10:42 PM EDTSpecial Marine WarningPHI63 min
Jun 15, 2:23 PM EDTSpecial Marine WarningPHI2 hr
Jun 15, 2:36 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland54 min
Jun 15, 2:38 PM EDTSpecial Marine WarningPHI2 hr
Jun 15, 3:40 PM EDTSpecial Marine WarningPHI95 min
Jun 15, 3:51 PM EDTSpecial Marine WarningPHI61 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2008Every severe thunderstorm warning in 2008

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.