Alert archive / New Jersey / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 65, NWS New York, NY

September 2, 1990Passaic County, Sussex County, New Jersey

NWS New York, NY issued this severe thunderstorm warning at Sep 2, 1990, 5:05 PM EDT for Passaic County, Sussex County, New Jersey. It was in force for 85 min.

The area

The counties it named.

The facts

Issued
Sep 2, 1990, 5:05 PM EDT (21:05 UTC)
Expired
Sep 2, 1990, 6:30 PM EDT
In force
85 min
Issued by
NWS New York, NY
Area
Whole counties

Counties Passaic County, NJ, Sussex 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, 9.1 hours before the alert went out and 182 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 1990-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1990-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1209 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What 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, Sep 2, 4:34 PM EDT, 31 minutes before
NJ001-NJ005-NJ007-NJ015-NYZ014>017-020200-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NORTHERN NEW JERSEY AND EXTREME SOUTHEASTERN NEW YORK
NATIONAL WEATHER SERVICE NEW YORK NY
430 PM EDT SUN SEP 2  1990

...DO NOT USE AFTER 6 PM EDT...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NEW JERSEY
EXCEPT EXTREME SOUTH...SOUTHEASTERN NEW YORK AND LONG ISLAND
AND ADJACENT COASTAL WATERS...
PORTIONS OF SOUTHEASTERN AND EAST-CENTRAL PENNSYLVANIA...AND
CONNECTICUT THIS SUNDAY AFTERNOON AND EVENING UNTIL 1000 PM EDT.

LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORMS WINDS
ARE POSSIBLE IN THESE AREAS.

RADAR SHOWED HEAVY THUNDERSTORMS AND SHOWERS OVER SOUTHEASTERN
NEW YORK OVER THE COUNTIES OF DELAWARE AND SULLIVAN...NORTHEASTERN
PENNSYLVANIA OVER THE COUNTIES OF WAYNE LACKAWANNA AND WYOMING.

THESE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MILES AN
HOUR.

NC

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 2, 5:05 PM EDTSevere Thunderstorm WarningOKXHunterdon, Morris, Warren85 min

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.