Alert archive / New Jersey / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 26, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 30, 1987, 3:22 PM EDT for Ocean County, New Jersey. It was in force for 58 min. 1 report 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, 3:22 PM EDT (19:22 UTC)
- Expired
- Jul 30, 1987, 4:20 PM EDT
- In force
- 58 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, 4:15 PM EDT | Hail 1.75 | 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, 7.4 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KACY 301924
SVRACY
NJC029-302020-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTIC CITY NJ
322 PM EDT THU JUL 30 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 420 PM EDT FOR THE FOLLOWING COUNTY OF
SOUTHERN NEW JERSEY... OCEAN
...AND ADJACENT COASTAL WATERS.
AT 315PM...RADAR INDICATED A SEVERE THUNDERSTORM ON THE BURLINGTON
OCEAN COUNTY LINE...5 MILES WEST OF BARNEGAT. THIS STORM IS MOVING
TOWARD THE EAST SOUTHEAST AT 25 MPH.
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 TRAILERS ARE MOST VULNERABLE TO HIGH WINDS AND
SHOULD BE AVOIDED.
A SEVERE THUNDERSTORM WATCH CONTINUES FOR THE AREA.
JKWhat forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 30, 11:00 AM EDT, 4 hours 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHILADELPHIA PA 1100 AM EDT THU JUL 30 1987 ...THUNDERSTORM POTENTIAL FOR EASTERN PENNSYLVANIA AND SOUTHERN NEW JERSEY... AN AREA OF SHOWERS AND THUNDERSTORMS ACROSS SOUTHERN NEW YORK STATE WILL MOVE SOUTHEAST THIS AFTERNOON. THIS AREA WILL AFFECT NORTHERN PORTIONS OF EASTERN PENNSYLVANIA THIS AFTERNOON AND REACH SOUTHERN PARTS OF PENNSYLVANIA TOWARD EVENING AND ACROSS SOUTHERN NEW JERSEY TONIGHT. LITTLE OR NO SEVERE WEATHER IS EXPECTED ACROSS THE FORECAST AREA TODAY...HOWEVER THUNDERSTORMS MAY CONTAIN SOME SMALL HAIL AND GUSTY WINDS ACROSS SOUTHERN PARTS OF PENNSYLVANIA AND WESTERN PARTS OF SOUTHERN NEW JERSEY LATE TODAY...WHERE TEMPOERATURES WILL BE THE WARMEST...AND THE AIRMASS JUST A LITTLE BIT MORE UNSTABLE. JWH
Special weather statement, Jul 30, 2:01 PM EDT, 1 hour 21 minutes before
ABPA- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALLENTOWN PA 200 PM EDT THU JUL 30 1987 ...THUNDERSTORMS DEVELOPING OVER EASTERN PENNSYLVANIA... A 200 PM EDT RADAR INDICATED THUNDERSTORMS DEVELOPING OVER CARBON AND MONROE COUNTIES IN EASTERN PENNSYLVANIA. THE HEAVIEST OF THESE WERE NEAR PALMERTON IN CARBON COUNTY AND BETWEEN STROUDSBURG AND CANADENSIS IN MONROE COUNTY. MOVEMENT WAS TOWARD THE SOUTHEAST AT 30 MPH. RESIDENTS OF LOWER CARBON AND MONROE AND NORTHERN NORTHAMPTON COUNTIES SHOULD BE ALERT TO THE POSSIBILITY OF HEAVY RAIN...GUSTY WINDS AND FREQUENT LIGHTNING AS THESE STORMS PASS SOUTHEAST THROUGH THE AREA. $$LOEPER
Special weather statement, Jul 30, 2:48 PM EDT, 34 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 245 PM EDT THU JUL 30 1987 AT 230 THIS AFTERNOON...A SEVERE THUNDERSTORM WAS BEING OBSERVED NEAR STROUDSBURG IN MONROE COUNTY PENNSYLVANIA. THIS THUNDERSTORM IS MOVING EAST SOUTHEAST AT 25 MPH. IT WILL BE MOVING INTO WARREN COUNTY NEW JERSEY BY 300 PM. OTHER SHOWERS AND LIGHTER THUNDERSTORMS OCCURRING IN PENNSYLVANIA EXTENDED FROM NEAR LEBANON NORTHEAST TO ALLENTOWN. A COUPLE OF HEAVY THUNDERSTORMS WERE ALSO BEING DETECTED IN ATLANTIC AND BURLINGTON COUNTIES OF NEW JERSEY. JIK
Special weather statement, Jul 30, 3:18 PM EDT, 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON DE
310 PM EDT THU JUL 30 1987
....SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE STATE OF DELAWARE
UNTIL 9PM EDT....
THE NATIONAL SEVERE STORMS FORECAST CENTER IN KANSAS CITY HAS PLACED
A SEVERE THUNDERSTORM WATCH IN EFFECT FOR PORTIONS OF SOUTHEASTERN
PENNSYLVANIA...MUCH OF NEW JERSEY....AND ALL OF DELAWARE EFFECTIVE
UNTIL 9PM.
CURRENT RADAR INDICATES THUNDERSTORMS DEVELOPING IN PORTIONS OF
EASTERN PENNSYLVANIA AND SOUTHERN NEW JERSEY. THESE WERE MOVING
EAST AND SOUTHEAST AND WERE OCCASIONALLY HEAVY.
STRONG GUSTY WINDS...HEAVY RAIN...FREQUENT LIGHTNING...AND HAIL ARE
POSSIBLE IN THUNDERSTORMS AND PERSONS THROUGHOUT THE STATE SHOULD
BE ON THE ALERT FOR THE POSSIBILITY OF SEVERE WEATHER WITH THE APPROACH
OF A STORM.
.
REPORT THE OCCURRENCE OF SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT
AGENCY AND ASK THEM TO RELAY THE MESSAGE TO THE NATIONAL WEATHER
SERVICE.
RDH
JThe 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, 4:54 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 56 min |
| Jul 30, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Mercer | 26 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 1987Every 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.