Alert archive / New Jersey / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 22, NWS Philadelphia/Mount Holly

April 28, 2002Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 28, 2002, 10:13 PM EDT for Cumberland County, New Jersey. It was in force for 17 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 28, 2002, 10:13 PM EDT (02:13 UTC)
Expired
Apr 28, 2002, 10:30 PM EDT
In force
17 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Cumberland County, NJ

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.2 hours before the alert went out and 157 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, Wallops Is Stn, VA at 00:00Z on 2002-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2144 joules per kilogram.LCLLFCEL10008507005003002001001 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, Wallops Is Stn, VA at 00:00Z on 2002-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 square meters per square second.1939587897Sfc1 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
2144 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
814 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
3.3
Supercell composite
12.4

Open this sounding in Storm Lab

The text

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

001 
WUUS51 KPHI 290213
SVRPHI
NJC011-290230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1012 PM EDT SUN APR 28 2002

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY.   

* UNTIL 1030 PM EDT.

* AT 1009 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM... 3 MILES SOUTHEAST OF MILLVILLE...MOVING EAST
  AT 50 MPH.

THIS IS A DANGEROUS STORM...CAPABLE OF PRODUCING LARGE HAIL AND
DAMAGING WINDS. IF YOU ARE IN THE STORMS PATH...TAKE COVER IN A 
STURDY STRUCTURE UNTIL THE STORM HAS PASSED. REMEMBER TORNADOES 
SOMETIMES FORM FROM SEVERE THUNDERSTORMS WITH LITTLE OR NO ADVANCED 
WARNING.

FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE
TELEVISION OUTLET.

$$

LAT...LON 3945 7508 3927 7510 3925 7494 3939 7478

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 9:17 PM EDTSpecial Marine WarningPHI88 min
Apr 28, 9:17 PM EDTSpecial Marine WarningPHI88 min
Apr 28, 9:56 PM EDTSpecial Marine WarningPHI94 min
Apr 28, 10:20 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May40 min
Apr 28, 10:35 PM EDTSpecial Marine WarningPHI85 min
Apr 28, 10:35 PM EDTSpecial Marine WarningPHI85 min
Apr 28, 10:38 PM EDTSpecial Marine WarningPHI82 min
Apr 28, 10:38 PM EDTSpecial Marine WarningPHI82 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2002Every severe thunderstorm warning in 2002

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.