Alert archive / New Jersey / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 98, NWS Philadelphia/Mount Holly

August 13, 1997Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 13, 1997, 1:36 PM EDT for Ocean County, New Jersey. It was in force for 59 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
Aug 13, 1997, 1:36 PM EDT (17:36 UTC)
Expired
Aug 13, 1997, 2:35 PM EDT
In force
59 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 16 km from the middle of the area, began a volume at 17:36 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.

What was reported inside it

TimeReportWhereRemark
Aug 13, 1:45 PM EDTThunderstorm WindLaurelton, 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 5.6 hours before the alert went out and 162 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, Brookhaven, NY at 12:00Z on 1997-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 1997-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.193958Sfc1 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
6 J/kg
Mixed-layer CIN
-130 J/kg
Mixed-layer LCL
496 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
182 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 KPHL 131734 RRA
SVRPHL
NJC029-NJZ501-131835-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
136 PM EDT WED AUG 13 1997

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 235 PM EDT
FOR THE FOLLOWING LOCATIONS...

IN  NEW JERSEY

   ...NORTHERN OCEAN COUNTY

AND A SPECIAL MARINE WARNING EFFECTIVE UNTIL 235 PM EDT
FOR THE ATLANTIC COASTAL WATERS FROM...

   ...MANASQUAN INLET NJ TO LITTLE EGG INLET NJ
 
WEATHER SERVICE DOPPLER RADAR AT 130 PM EDT INDICATED A SEVERE
THUNDERSTORM NEAR LAKEWOOD MOVING EAST AT 20 MPH.  THIS STORM WILL
PASS NEAR THE TOWNS OF BRICK AND PT PLEASANT DURING THE NEXT HOUR.

THIS IS A DANGEROUS STORM. MOVE INSIDE A STRONG BUILDING AND DO NOT
STAND NEAR WINDOWS. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON
THE LOWEST FLOOR OF YOUR HOME OR BUISNESS.

MARINERS SHOULD USE EXTREME CAUTION AND MOVE TO PROTECTED WATERS TO
AVOID DAMAGING WINDS AND SEAS. MAKE SURE YOU AND YOUR CREW ARE
WEARING APPROVED FLOTATION DEVICES...ESPECIALLY WITH APPROACHING
BAD WEATHER. AVOID HEADING INTO THE STORM WHILE SEEKING SAFE HAVEN.
BOATS IN PORT SHOULD NOT VENTURE OUT UNTIL THE STORM HAS PASSED.

FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE
TELEVISION OUTLET. MARINERS SHOULD MONITOR NOAA WEATHER RADIO OR
MARINE CHANNEL 16.

AMC/TFG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 6:36 PM EDTSevere Thunderstorm WarningPHIBurlington34 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 1997Every severe thunderstorm warning in 1997

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; radar from the NEXRAD Level II archive.