Alert archive / New Jersey / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 92, NWS New York, NY

August 5, 1997Union County, New Jersey

NWS New York, NY issued this severe thunderstorm warning at Aug 5, 1997, 8:05 PM EDT for Union County, New Jersey. It was in force for 25 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 5, 1997, 8:05 PM EDT (00:05 UTC)
Expired
Aug 5, 1997, 8:30 PM EDT
In force
25 min
Issued by
NWS New York, NY
Area
Whole counties

County Union County, NJ

What was reported inside it

TimeReportWhereRemark
Aug 5, 8:15 PM EDTHail 0.75Union, 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 00:00Z, 0.1 hours before the alert went out and 124 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 00:00Z on 1997-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 564 joules per kilogram.LCLLFCEL10008507005003002001001 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, Brookhaven, NY at 00:00Z on 1997-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 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
564 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
841 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
-54 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

643 
WUUS1 KNYC 060007 RRA
SVRNYC
NJC039-060030-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
805 PM EDT TUE AUG 5 1997
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST NEW JERSEY
 
   ...UNION COUNTY
 
AND THE ADJACENT COASTAL WATERS
 
 
A SEVERE THUNDERSTORM WAS MOVING ACROSS UNION COUNTY. TORRENTIAL RAIN
AND LARGE HAIL CAN BE EXPECTED AS THIS STORM MOVING EAST SOUTHEAST
ACROSS THE AREA DURING THE NEXT HALF HOUR.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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

Local storm report, Aug 5, 7:39 PM EDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
745 PM EDT TUE AUG 05 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0330 PM    BULLVILLE                 NY   1 INCH HAIL
08/05/97   ORANGE                         IN DOWNTOWN BULLVILLE

0528 PM    YONKERS                   NY   .75 INCH HAIL
08/05/97   WESTCHESTER

0625 PM    MINEOLA                   NY   .75 INCH HAIL
08/05/97   NASSAU

0644 PM    VALLEY STREAM             NY   .88 INCH HAIL
08/05/97   NASSAU                         WIND ESTIMATED GUST TO 45
                                          MPH.

0657 PM    MASSAPEQUA                NY   .88 INCH HAIL
08/05/97   NASSAU
Local storm report, Aug 5, 7:45 PM EDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
745 PM EDT TUE AUG 05 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0330 PM    BULLVILLE                 NY   1 INCH HAIL
08/05/97   ORANGE                         IN DOWNTOWN BULLVILLE

0528 PM    YONKERS                   NY   .75 INCH HAIL
08/05/97   WESTCHESTER

0625 PM    MINEOLA                   NY   .75 INCH HAIL
08/05/97   NASSAU

0644 PM    VALLEY STREAM             NY   .88 INCH HAIL
08/05/97   NASSAU                         WIND ESTIMATED GUST TO 45
                                          MPH.

0657 PM    MASSAPEQUA                NY   .88 INCH HAIL
08/05/97   NASSAU

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.