Alert archive / Connecticut / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 20, NWS New York, NY

May 29, 1998Naugatuck Valley Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at May 29, 1998, 6:25 PM EDT for Naugatuck Valley Planning Region, Connecticut. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 29, 1998, 6:25 PM EDT (22:25 UTC)
Expired
May 29, 1998, 7:25 PM EDT
In force
60 min
Issued by
NWS New York, NY
Area
Whole counties

County Naugatuck Valley Planning Region, CT

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.4 hours before the alert went out and 75 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 1998-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 12:00Z on 1998-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1392 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
111 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, May 29, 4:00 PM EDT, 2 hours 25 minutes before
SPECIAL WEATHER STATEMENT
AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEAST NEW YORK...
NORTHEAST NEW JERSEY AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
400 PM EDT FRI MAY 29 1998

...THERE IS A CHANCE FOR STRONG THUNDERSTORMS THROUGH EARLY
TONIGHT...

WITH A WARM...MOIST...UNSTABLE AIRMASS IN PLACE...LINES OF SCATTERED
THUNDERSTORMS WILL MOVE SOUTHEAST ACROSS THE REGION THROUGH EARLY
TONIGHT AS A COLD FRONT APPROACHES. A FEW THUNDERSTORMS MAY PRODUCE
STRONG GUSTY WINDS AND HEAVY DOWNPOURS. THE AREA MOST VULNERABLE TO
THESE STORMS EXTENDS FROM NORTHWEST TO NORTHEAST OF NEW YORK CITY.

FAIR WEATHER WILL RETURN FOR SATURDAY...AS A HIGH PRESSURE SYSTEM
BUILDS EAST ACROSS THE AREA. WITH ABUNDANT SUNSHINE AND LOW
HUMIDITY...TEMPERATURES WILL QUICKLY CLIMB INTO THE LOWER AND MID
80S EXCEPT RIGHT ALONG THE IMMEDIATE SHORES WHERE LIGHT SEABREEZES
WILL DEVELOP.

THIS FAIR WEATHER WILL BE SHORT-LIVED AS A LOW PRESSURE SYSTEM
RAPIDLY INTENSIFIES AS IT MOVES EAST OVER THE GREAT LAKES. A WARM
FRONT WILL DEVELOP SOUTHWEST OF THE AREA SATURDAY NIGHT AND MOVE
NORTHEAST TOWARD THE REGION SUNDAY. CLOUDS WILL INCREASE IN RESPONSE
TO THIS AND THE CHANCE FOR SHOWERS AND THUNDERSTORMS WILL INCREASE
DURING SUNDAY. UNSETTLED WEATHER WILL CONTINUE THROUGH MONDAY AS THE
COLD FRONT ASSOCIATED WITH THIS LOW MOVES OVER THE AREA.

KEEP TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO OR TELEVISION FOR
UPDATES CONCERNING THIS SEVERE THUNDERSTORM POTENTIAL. KEEP AN EYE
TO THE SKY FOR THREATENING WEATHER. THUNDERSTORMS WILL MOVE IN AN
EAST DIRECTION...SO LOOK TO THE NORTH AND NORTHWEST.

GC

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 6:01 PM EDTSevere Thunderstorm WarningOKXPutnam49 min
May 29, 6:11 PM EDTSevere Thunderstorm WarningOKXOrange49 min
May 29, 7:31 PM EDTSevere Thunderstorm WarningOKXRichmond64 min
May 29, 6:39 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region46 min
May 29, 7:20 PM EDTSevere Thunderstorm WarningOKXEssex, Union45 min
May 29, 7:31 PM EDTSevere Thunderstorm WarningOKXHudson64 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 1998Every severe thunderstorm warning in 1998

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.