Alert archive / New Jersey / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 27, NWS Philadelphia/Mount Holly

April 24, 2006Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 24, 2006, 8:55 AM EDT for Atlantic County, New Jersey. It was in force for 50 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: Apr 24, 2006, 8:55 AM EDT (12:55 UTC)
Expired: Apr 24, 2006, 9:45 AM EDT
In force: 50 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Atlantic County, NJ

The radar

The Philadelphia radar (KDIX), 50 km from the middle of the area, began a volume at 12:57 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

Wallops Is Stn, VA (KWAL), launched 12:00Z, 0.9 hours before the alert went out and 192 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1556 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: -75 m²/s²
0-3 km storm-relative helicity: 3 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 241256
SVRPHI
NJC001-241345-
/O.NEW.KPHI.SV.W.0027.060424T1255Z-060424T1345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
855 AM EDT MON APR 24 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 945 AM EDT

* AT 853 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS 
  STORM WAS LOCATED NEAR BUENA...AND MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FOLSOM BY 905 AM EDT
  HAMMONTON BY 915 AM EDT
  ELWOOD BY 920 AM EDT
  POMONA BY 940 AM EDT

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...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 3947 7491 3953 7496 3967 7480 3968 7475
      3968 7471 3964 7467 3962 7467 3961 7465
      3946 7450

$$

IOVINO

1 follow-up statement

000 
WWUS51 KPHI 241309
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
908 AM EDT MON APR 24 2006

NJC001-241345-
/O.CON.KPHI.SV.W.0027.000000T0000Z-060424T1345Z/
ATLANTIC NJ-
908 AM EDT MON APR 24 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 AM EDT
FOR NORTHERN ATLANTIC COUNTY...

AT 901 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.
 THIS STORM WAS LOCATED NEAR BUENA...OR ABOUT 8 MILES NORTHEAST OF
VINELAND...MOVING EAST AT 25 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  ELWOOD AND 6 MILES SOUTH OF HAMMONTON BY 920 AM EDT

LAT...LON 3947 7491 3953 7496 3967 7480 3968 7475
      3968 7471 3964 7467 3962 7467 3961 7465
      3946 7450

$$

ROBERTSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 1:22 AM EDT	Severe Thunderstorm Warning	PHI	Cumberland	53 min
Apr 24, 2:04 AM EDT	Special Marine Warning	PHI		41 min
Apr 24, 2:11 AM EDT	Special Marine Warning	PHI		64 min
Apr 24, 2:28 AM EDT	Severe Thunderstorm Warning	PHI	Cape May	62 min
Apr 24, 2:54 AM EDT	Special Marine Warning	PHI		96 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2006 Every severe thunderstorm warning in 2006

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.