Alert archive / New Jersey / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 27, NWS Philadelphia/Mount Holly

July 30, 1987Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 30, 1987, 4:54 PM EDT for Ocean County, New Jersey. It was in force for 56 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 30, 1987, 4:54 PM EDT (20:54 UTC)
Expired: Jul 30, 1987, 5:50 PM EDT
In force: 56 min
Issued by: NWS Philadelphia/Mount Holly
Area: Whole counties

County Ocean County, NJ

The radar

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

What was reported inside it

Time	Report	Where	Remark
Jul 30, 5:00 PM EDT	Thunderstorm Wind 0	Ocean, NJ
Jul 30, 5:40 PM EDT	Thunderstorm Wind 0	Ocean, NJ

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 8.9 hours before the alert went out and 51 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1511 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 82 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 302054
SVRACY
NJC029-302150-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTIC CITY NJ
454 PM EDT THU JUL 30 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 550 PM EDT FOR THE FOLLOWING COUNTY OF
 
SOUTHERN NEW JERSEY... OCEAN
 
...AND ADJACENT COASTAL WATERS.
                                                                         
AT 450 THIS AFTERNOON A SEVERE THUNDERSTORM WAS BEING OBSERVED NEAR 
TUCKERTON.  THIS STORM IS MOVING EASTWARD AT AROUND 25 MILES AN HOUR.` 
THIS STORM WILL BE MOVING INTO THE SURF CITY BEACH HAVEN AREA BY 
ABOUT 5 15PM EDT. 
 
THIS IS A DANGEROUS STORM AND PEOPLE IN THE WARNED AREA SHOULD
PREPARE FOR STRONG DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN
AND LIGHTNING.  SHOULD THE STORM APPROACH YOU...SEEK IMMEDIATE
SHELTER.  MOBILE TRAILERSk ARE MOST VULNERABLE TO HIGH WINDS AND
SHOULD BE AVOIDED.
                                                                         
A SEVERE THUNDERSTORM WATCH CONTINUES FOR THE AREA.
 
JK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 3:02 PM EDT	Severe Thunderstorm Warning	PHI	Burlington	58 min
Jul 30, 3:22 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	58 min
Jul 30, 5:34 PM EDT	Severe Thunderstorm Warning	PHI	Mercer	26 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 1987 Every severe thunderstorm warning in 1987

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.