Alert archive / New Jersey / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 39, NWS New York, NY

July 14, 1993Sussex County, Warren County, New Jersey

NWS New York, NY issued this severe thunderstorm warning at Jul 14, 1993, 4:40 PM EDT for Sussex County, Warren County, New Jersey. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jul 14, 1993, 4:40 PM EDT (20:40 UTC)
Expired
Jul 14, 1993, 5:30 PM EDT
In force
50 min
Issued by
NWS New York, NY
Area
Whole counties

Counties Sussex County, NJ, Warren County, NJ

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 8.7 hours before the alert went out and 175 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 1993-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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, Atlantic City In, NJ at 12:00Z on 1993-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
8 J/kg
Mixed-layer CIN
-155 J/kg
Mixed-layer LCL
1723 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
70 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 KNYC 142042
SVRNYC
NJC037-041-142130-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
440 PM EDT WED JUL 14 1993
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST NEW JERSEY
 
   ...SUSSEX COUNTY...WARREN COUNTY
 
A LINE OF THUNDERSTORMS WILL MOVE THROUGH THE AREA DURING THE NEXT HOUR
POSSIBLY ACCOMPANIED BY STRONG GUSTY WINDS...HEAVY DOWNPOURS AND
DANGEROUS LIGHTNING.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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, Jul 14, 2:30 PM EDT, 2 hours 10 minutes before
NJZ001-005-007-015-NYZ014>017-023-024-142000-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW YORK NY
230 PM EDT WED JUL 14 1993

...SEVERE THUNDERSTORM WATCH UNTIL 900 PM EDT FOR ALL OF NEW JERSEY
AND SOUTHEASTERN NEW YORK EXCEPT SUFFOLK COUNTY...

...NOT TO BE USED AFTER 400 PM EDT...

RADAR SHOWED THUNDERSTORMS OVER SOUTHEAST PENNSYLVANIA...NORTHERN
DELAWARE AND SOUTHERN AND CENTRAL NEW JERSEY. THE HEAVIEST THUNDERSTORMS
WERE LOCATED IN SALEM COUNTY NEW JERSEY AND CHESTER COUNTY PENNSYLVANIA.

THE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT ABOUT 25 MPH.

RPM
Special weather statement, Jul 14, 2:33 PM EDT, 2 hours 7 minutes before
NJZ001-005-007-015-NYZ014>017-023-024-142000-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW YORK NY
230 PM EDT WED JUL 14 1993

...SEVERE THUNDERSTORM WATCH UNTIL 900 PM EDT FOR ALL OF NEW JERSEY
AND SOUTHEASTERN NEW YORK EXCEPT SUFFOLK COUNTY...

...NOT TO BE USED AFTER 400 PM EDT...

RADAR SHOWED THUNDERSTORMS OVER SOUTHEAST PENNSYLVANIA...NORTHERN
DELAWARE AND SOUTHERN AND CENTRAL NEW JERSEY. THE HEAVIEST THUNDERSTORtMS
WERE LOCATED IN SALEM COUNTY NEW JERSEY AND CHESTER COUNTY PENNSYLVANIA.

THE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT ABOUT 25 MPH.

RPM
Special weather statement, Jul 14, 3:43 PM EDT, 57 minutes before
NJZ001-005-007-015-NYZ014>017-023-024-142100-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW YORK NY
343 PM EDT WED JUL 14 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EDT FOR ALL
OF NEW JERSEY AND SOUTHEASTERN NEW YORK EXCEPT SUFFOLK COUNTY...

...PLEASE DO NOT USE AFTER 5 PM EDT...

RADAR DETECTED THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG GUSTY WINDS
AND POSSIBLE HAIL OVER MONMOUTH...OCEAN AND CUMBERLAND COUNTIES OF NEW
JERSEY.  THESE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 25 MILES AN
HOUR AND SHOULD MOVE OUT OVER THE OCEAN EAST OF THE NEW JERSEY COAST
OVER THE NEXT HOUR OR TWO.

THESE THUNDERSTORMS WERE PART OF A LIGHTER AREA OF SHOWERS AND
THUNDERSTORMS ACROSS EASTERN PENNSYLVANIA FROM MONROE COUNTY SOUTHWARD
...MOST OF NEW JERSEY AND NEW YORK CITY.  THE AREA ALSO EXTENDED OVER
THE OCEAN UP TO 30 MILES EAST OF THE NEW JERSEY COAST.  THESE SHOWERS
AND THUNDERSTORMS WERE ALSO MOVING EAST NORTHEAST AT 25 MILES AN HOUR.

IFC
Special weather statement, Jul 14, 3:43 PM EDT, 57 minutes before
NJZ001-005-007-015-NYZ014>017-023-024-142100-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW YORK NY
343 PM EDT WED JUL 14 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EDT FOR ALL
OF NEW JERSEY AND SOUTHEASTERN NEW YORK EXCEPT SUFFOLK COUNTY...

...PLEASE DO NOT USE AFTER 5 PM EDT...

RADAR DETECTED THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG GUSTY WINDS
AND POSSIBLE HAIL OVER MONMOUTH...OCEAN AND CUMBERLAND COUNTIES OF NEW
JERSEY.  THESE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 25 MILES AN
HOUR AND SHOULD MOVE OUT OVER THE OCEAN EAST OF THE NEW JERSEY COAST
OVER THE NEXT HOUR OR TWO.

THESE THUNDERSTORMS WERE PART OF A LIGHTER AREA OF SHOWERS AND
THUNDERSTORMS ACROSS EASTERN PENNSYLVANIA FROM MONROE COUNTY SOUTHWARD
...MOST OF NEW JERSEY AND NEW YORK CITY.  THE AREA ALSO EXTENDED OVER
THE OCEAN UP TO 30 MILES EAST OF THE NEW JERSEY COAST.  THESE SHOWERS
AND THUNDERSTORMS WERE ALSO MOVING EAST NORTHEAST AT 25 MILES AN HOUR.

IFC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 2:52 PM EDTSevere Thunderstorm WarningOKXMonmouth38 min
Jul 14, 3:50 PM EDTSevere Thunderstorm WarningOKXSussex, Warren55 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 1993Every severe thunderstorm warning in 1993

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.