Alert archive / New Jersey / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 20, NWS Philadelphia/Mount Holly

June 22, 1990Atlantic County, Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 22, 1990, 7:02 PM EDT for Atlantic County, Burlington County, New Jersey. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1990, 7:02 PM EDT (23:02 UTC)
Expired
Jun 22, 1990, 8:00 PM EDT
In force
58 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Atlantic County, NJ, Burlington County, NJ

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 11.0 hours before the alert went out and 28 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, Atlantic City In, NJ at 12:00Z on 1990-06-22Temperature 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, Atlantic City In, NJ at 12:00Z on 1990-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
1973 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
384 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 
TTAA00 KACY 222303
SVRACY
NJC001-005-230000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE ATLANTIC CITY NJ
702 PM EDT FRI JUN 22 1990
 
THE NATIONAL WEATHER SERVICE IN ATLANTIC CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING AND
SPECIAL MARINE WARNING EFFECTIVE UNTIL  800 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH NEW JERSEY
          ...ATLANTIC...BURLINGTON
 
AND ADJACENT COASTAL WATERS.
 
 
AT 655 PM A STORM LOCATED IN SOUTH CUMBERLAND COUNTY IS MOVING TOWARDS
THE NORTHEAST AT 35 MILES AN HOUR...AND WILL MOVE THROUGH ATLANTIC AND
BURLINGTON COUNTIES IN THE NEXT HOUR.

Nearby

Severe Thunderstorm Warnings in New Jersey, 1990Every severe thunderstorm warning in 1990

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.