Alert archive / New Jersey / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 49, NWS New York, NY

June 29, 1994Monmouth County, New Jersey

NWS New York, NY issued this severe thunderstorm warning at Jun 29, 1994, 1:09 PM EDT for Monmouth County, New Jersey. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Jun 29, 1994, 1:09 PM EDT (17:09 UTC)
Expired
Jun 29, 1994, 2:15 PM EDT
In force
66 min
Issued by
NWS New York, NY
Area
Whole counties

County Monmouth County, NJ

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 5.2 hours before the alert went out and 98 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 1994-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 78 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 1994-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
78 J/kg
Mixed-layer CIN
-196 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNYC 291710
SVRNYC
NJC025-NYC005-047-061-081-119-NYZ508-291815-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
109 PM EDT WED JUN 29 1994
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL  215 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL NEW JERSEY
 
   ...SOUTHERN MONMOUTH COUNTY
 
IN SOUTHEAST NEW YORK
 
   ...BRONX COUNTY...KINGS COUNTY...NEW YORK COUNTY
   ...QUEENS COUNTY...THE REMAINDER OF WESTCHESTER COUNTY
 
  AND FOR MARINE INTERESTS ON THE COASTAL WATERS AROUND
 
  ...NEW YORK HARBOR
 
SEVERE THUNDERSTORMS WERE JUST ABOUT TO ENTER THE NEW YORK CITY AREA.
WINDS WELL IN EXCESS OF 50 MPH HAVE BEEN REPORTED WITH THESE STORMS.
OTHER SEVERE THUNDERSTORMS WERE REPORTED OVER ROCKLAND AND INTO
WESTCHESTER COUNTY.
 
 
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, Jun 29, 10:38 AM EDT, 2 hours 31 minutes before
NYZ067>077-NJZ001>014-291600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
1038 AM EDT WED JUN 29 1994

...SEVERE THUNDERSTORM WATCH UNTIL 4 PM...

THUNDERSTORMS ARE DEVELOPING RAPIDLY OVER NORTHWEST NEW JERSEY AND
OVER EASTERN PENNSYLVANIA. CELLS ARE MOVING NORTHEAST AT NEAR 35 MPH
AND THE ENTIRE AREA IS MOVING EAST AT AROUND 25 MPH.

THESE THUNDERSTORMS CONTAIN DEADLY LIGHTNING...STRONG GUSTY WINDS AND
POSSIBLE HAIL. THE STORMS HAVE THE POTENTIAL TO PRODUCE SEVERE WEATHER
IN THE FORM OF LARGE DAMAGING HAIL AND STRONG WINDS IN EXCESS OF 58
MPH.

STAY TURN TO NOAA WEATHER RADIO...YOUR LOCAL TELEVISION OR RADIO
STATION FOR POSSIBLE ADDITIONAL STATEMENTS AND WARNINGS ON THIS
DEVELOPING DANGEROUS WEATHER SITUATION.

JST
Special weather statement, Jun 29, 10:38 AM EDT, 2 hours 31 minutes before
NYZ067>077-NJZ001>014-291600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
1038 AM EDT WED JUN 29 1994

...SEVERE THUNDERSTORM WATCH UNTIL 4 PM...

THUNDERSTORMS ARE DEVELOPING RAPIDLY OVER NORTHWEST NEW JERSEY AND
OVER EASTERN PENNSYLVANIA. CELLS ARE MOVING NORTHEAST AT NEAR 35 MPH
AND THE ENTIRE AREA IS MOVING EAST AT AROUND 25 MPH.

THESE THUNDERSTORMS CONTAIN DEADLY LIGHTNING...STRONG GUSTY WINDS AND
POSSIBLE HAIL. THE STORMS HAVE THE POTENTIAL TO PRODUCE SEVERE WEATHER
IN THE FORM OF LARGE DAMAGING HAIL AND STRONG WINDS IN EXCESS OF 58
MPH.

STAY TURN TO NOAA WEATHER RADIO...YOUR LOCAL TELEVISION OR RADIO
STATION FOR POSSIBLE ADDITIONAL STATEMENTS AND WARNINGS ON THIS
DEVELOPING DANGEROUS WEATHER SITUATION.

JST

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 11:25 AM EDTSevere Thunderstorm WarningOKXHunterdon50 min
Jun 29, 11:44 AM EDTSevere Thunderstorm WarningOKXMorris, Somerset61 min
Jun 29, 11:59 AM EDTSevere Thunderstorm WarningOKXSussex31 min
Jun 29, 12:12 PM EDTSevere Thunderstorm WarningOKXMiddlesex, Union63 min
Jun 29, 12:24 PM EDTSevere Thunderstorm WarningOKXPassaic66 min
Jun 29, 12:34 PM EDTSevere Thunderstorm WarningOKXBergen56 min
Jun 29, 12:45 PM EDTSevere Thunderstorm WarningOKXMonmouth60 min
Jun 29, 12:54 PM EDTSevere Thunderstorm WarningOKXBergen, Essex, Hudson66 min
Jun 29, 5:50 PM EDTSevere Thunderstorm WarningOKXWarren55 min
Jun 29, 7:08 PM EDTSevere Thunderstorm WarningOKXHunterdon, Morris52 min
Jun 29, 7:45 PM EDTSevere Thunderstorm WarningOKXMorris, Somerset45 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 1994Every severe thunderstorm warning in 1994

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.