Alert archive / Connecticut / Tornado Warnings in 1998

Tornado Warning 12, NWS New York, NY

June 30, 1998Southeastern Connecticut Planning Region, Connecticut

NWS New York, NY issued this tornado warning at Jun 30, 1998, 8:55 PM EDT for Southeastern Connecticut Planning Region, Connecticut. It was in force for 35 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
Jun 30, 1998, 8:55 PM EDT (00:55 UTC)
Expired
Jun 30, 1998, 9:30 PM EDT
In force
35 min
Issued by
NWS New York, NY
Area
Whole counties

County Southeastern Connecticut Planning Region, CT

The radar

The Boston radar (KBOX), 94 km from the middle of the area, began a volume at 00:57 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.9 hours before the alert went out and 96 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 1998-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1403 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 1998-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 199 square meters per square second.1939587897117Sfc1 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
1403 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
827 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
199 m²/s²
0-3 km storm-relative helicity
191 m²/s²
Significant tornado parameter
1.6
Supercell composite
7.5

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 tornado 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 30, 4:15 PM EDT, 4 hours 40 minutes before
NYZ0067>081-NJ002>006-011-CT005>012-010300-

SEVERE WEATHER OUTLOOK AND WEATHER MAP DISCUSSION FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND
SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
415 PM EDT TUE JUN 30 1998

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE TRI-STATE AREA
   UNTIL 10 PM...

STRONG THUNDERSTORMS LOCATED IN PENNSYLVANIA LATE THIS AFTERNOON
WILL MOVE INTO THE TRI-STATE AREA THIS EVENING. THESE THUNDERSTORMS
MAY PRODUCE STRONG GUSTY WINDS...HEAVY RAIN AND HAIL AS THEY MOVE
FROM WEST TO EAST ACROSS THE REGION.

THE STORMS WILL EXIT TO OUR EAST AFTER MIDNIGHT.

WEDNESDAY WILL BE BREEZY AND LESS HUMID WITH JUST A CHANCE OF AN
AFTERNOON SHOWER.

EKH
Special weather statement, Jun 30, 4:15 PM EDT, 4 hours 40 minutes before
NYZ0067>081-NJ002>006-011-CT005>012-010300-

SEVERE WEATHER OUTLOOK AND WEATHER MAP DISCUSSION FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND
SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
415 PM EDT TUE JUN 30 1998

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE TRI-STATE AREA
   UNTIL 10 PM...

STRONG THUNDERSTORMS LOCATED IN PENNSYLVANIA LATE THIS AFTERNOON
WILL MOVE INTO THE TRI-STATE AREA THIS EVENING. THESE THUNDERSTORMS
MAY PRODUCE STRONG GUSTY WINDS...HEAVY RAIN AND HAIL AS THEY MOVE
FROM WEST TO EAST ACROSS THE REGION.

THE STORMS WILL EXIT TO OUR EAST AFTER MIDNIGHT.

WEDNESDAY WILL BE BREEZY AND LESS HUMID WITH JUST A CHANCE OF AN
AFTERNOON SHOWER.

EKH
Local storm report, Jun 30, 5:45 PM EDT, 3 hours 10 minutes before
LOCAL STORM REPORT...CORRECTIONS TO TIMES AND SUMMARY
NATIONAL WEATHER SERVICE NEW YORK NY
545 PM EDT TUE JUN 30 1998

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

0800 AM    WYANDANCH                 NY   WIND DAMAGE.
06/30/98   SUFFOLK                        TREES DOWN. ALSO IN DEER
                                          PARK AND WHEATLY HEIGHTS.
                                          TIME ESTIMATED BY RADAR.

0810 AM    HAUPPAUGE                 NY   .75 INCH HAIL
06/30/98   SUFFOLK                        FUNNEL CLOUDS ALSO
                                          REPORTED. TIME ESTIMATED
                                          BY RADAR.

0815 AM    LAKE RONKONKOMA           NY   TORNADO
06/30/98   SUFFOLK                        INDICATION OF F0 TORNADO
                                          ALONG LAKE SHORE DRIVE. TIME
                                          ESTIMATE AT 0815-0830 AM
                                          BY RADAR.

0815 AM    SELDEN                    NY   TORNADO
06/30/98   SUFFOLK                        .75 INCH HAIL
                                          SECOND TOUCHDOWN OF F0
                                          TORNADO AT AND IN VICINITY
                                          OF SUFFOLK COMMUNITY
                                          COLLEGE. TIME ESTIMATED AT
                                          0815-0830 AM BY RADAR.

0830 AM    MT SINAI                  NY   1 INCH HAIL
06/30/98   SUFFOLK

0830 AM    CORAM                     NY   WIND DAMAGE
06/30/98   SUFFOLK                        TREES/WIRES DOWN. TIME
                                          ESTIMATED BY RADAR.

1205 PM    GOSHEN                    NY   WIND DAMAGE
06/30/98   ORANGE                         LARGE TREES DOWN. FUNNEL
                                          CLOUD SIGHTED BETWEEN
                                          GOSHEN AND CHESTER.

JST/DJR
Local storm report, Jun 30, 5:45 PM EDT, 3 hours 10 minutes before
LOCAL STORM REPORT...CORRECTIONS TO TIMES AND SUMMARY
NATIONAL WEATHER SERVICE NEW YORK NY
545 PM EDT TUE JUN 30 1998

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

0800 AM    WYANDANCH                 NY   WIND DAMAGE.
06/30/98   SUFFOLK                        TREES DOWN. ALSO IN DEER
                                          PARK AND WHEATLY HEIGHTS.
                                          TIME ESTIMATED BY RADAR.

0810 AM    HAUPPAUGE                 NY   .75 INCH HAIL
06/30/98   SUFFOLK                        FUNNEL CLOUDS ALSO
                                          REPORTED. TIME ESTIMATED
                                          BY RADAR.

0815 AM    LAKE RONKONKOMA           NY   TORNADO
06/30/98   SUFFOLK                        INDICATION OF F0 TORNADO
                                          ALONG LAKE SHORE DRIVE. TIME
                                          ESTIMATE AT 0815-0830 AM
                                          BY RADAR.

0815 AM    SELDEN                    NY   TORNADO
06/30/98   SUFFOLK                        .75 INCH HAIL
                                          SECOND TOUCHDOWN OF F0
                                          TORNADO AT AND IN VICINITY
                                          OF SUFFOLK COMMUNITY
                                          COLLEGE. TIME ESTIMATED AT
                                          0815-0830 AM BY RADAR.

0830 AM    MT SINAI                  NY   1 INCH HAIL
06/30/98   SUFFOLK

0830 AM    CORAM                     NY   WIND DAMAGE
06/30/98   SUFFOLK                        TREES/WIRES DOWN. TIME
                                          ESTIMATED BY RADAR.

1205 PM    GOSHEN                    NY   WIND DAMAGE
06/30/98   ORANGE                         LARGE TREES DOWN. FUNNEL
                                          CLOUD SIGHTED BETWEEN
                                          GOSHEN AND CHESTER.

JST/DJR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 8:04 PM EDTTornado WarningOKXLower Connecticut River Valley Planning Region46 min
Jun 30, 8:10 PM EDTTornado WarningOKXSoutheastern Connecticut Planning Region45 min
Jun 30, 8:10 PM EDTTornado WarningOKXSoutheastern Connecticut Planning Region80 min
Jun 30, 8:24 PM EDTTornado WarningOKXNaugatuck Valley Planning Region46 min
Jun 30, 8:56 PM EDTFlash Flood WarningOKXNaugatuck Valley Planning Region12 hr

Nearby

Tornado Warnings in Connecticut, 1998Every tornado warning in 1998Tornadoes 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; radar from the NEXRAD Level II archive.