Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 33, NWS New York, NY

June 1, 1998Nassau County, Suffolk County, New York

NWS New York, NY issued this severe thunderstorm warning at Jun 1, 1998, 2:33 AM EDT for Nassau County, Suffolk County, New York. It was in force for 47 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 1, 1998, 2:33 AM EDT (06:33 UTC)
Expired: Jun 1, 1998, 3:20 AM EDT
In force: 47 min
Issued by: NWS New York, NY
Area: Whole counties

Counties Nassau County, NY, Suffolk County, NY

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 31, 10:00 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 6.6 hours before the alert went out and 23 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 151 J/kg
Mixed-layer CIN: -348 J/kg
Mixed-layer LCL: 1224 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 233 m²/s²
0-3 km storm-relative helicity: 319 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.

583 
WUUS1 KNYC 010635 RRA
SVRNYC
ANZ350-355-NYC059-103-010720-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
233 AM EDT MON JUN 1 1998

THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN NASSAU COUNTY INCLUDING ADJACENT COASTAL WATERS IN
  SOUTHEASTERN NEW YORK
  SOUTHWESTERN SUFFOLK COUNTY INCLUDING ADJACENT COASTAL WATERS IN
  SOUTHEASTERN NEW YORK

* UNTIL 320 AM EDT

* AT 230 AM DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS NEAR JFK
  AIRPORT AND THE FREEPORT AREA. THESE STORM ARE MOVING EAST AROUND
  40 MPH AND HAVE THE POTENTAIL TO PRODUCE LARGE HAIL AND DAMAGING
  WINDS.

GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS A TORNADO
WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

IAA/SDR



&

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 31, 10:38 PM EDT, 3 hours 55 minutes before

NYZ067>081-NJZ002>006-011-CTZ005>012-010900-

SPECIAL WEATHER STATEMENT
AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK...
NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
1038 PM EDT SUN MAY 31 1998

...TORNADO WATCH EXTENDED UNTIL 400 AM FOR SOUTHEASTERN NEW YORK AND
NORTHEASTERN NEW JERSEY...

...TORNADO WATCH IN EFFECT UNTIL 200 AM FOR SOUTHERN CONNECTICUT...

...FLOOD WATCH ISSUED FOR THE LOWER HUDSON VALLEY OF NEW YORK AND
FAIRFIELD COUNTY CONNECTICUT FOR THE OVERNIGHT...

A WILD WEATHER NIGHT CONTINUES ACROSS THE TRI-STATE REGION...WITH
SEVERE THUNDERSTORMS AND HEAVY RAINFALL ACROSS THE LOWER HUDSON
VALLEY OF NEW YORK AND EXTREME SOUTHWESTERN CONNECTICUT.  SOME OF
THESE STORMS HAVE PRODUCED FUNNEL CLOUDS...TORRENTIAL RAINS AND HAIL.

SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THE OVERNIGHT HOURS
...AND BEGIN TO TAPER OFF TOWARD MORNING AS A COLD FRONT MOVES
THROtUGH THE REGION.

QUIETER AND COOLER WEATHER IS ON TAP FOR MONDAY.

REYNOLDS

Local storm report, May 31, 11:56 PM EDT, 2 hours 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1156 PM EDT SUN MAY 31 1998

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

0750 PM    PORT JERVIS               NY   1.5 INCH HAIL
05/31/98   ORANGE

0811 PM    SLATE HILL                NY   66 MPH TSTM GUST
05/31/98   ORANGE

0847 PM    HARRIMAN                  NY
05/31/98   ORANGE                         FUNNEL CLOUD 5S OF
                                          HARRIMAN TOLLS ON I-87

0855 PM    NEWBURGH STEWART ARPT     NY   TORNADO
05/31/98   ORANGE                         SPOTTER REPORT OF TORNADO
                                          TOUCHDOWN NEAR AIRPORT
                                          ...NO FURTHER DETAILS

0913 PM    SLATE HILL                NY   .75 INCH HAIL
05/31/98   ORANGE

0925 PM    PORT JERVIS               NY   FLOODING
05/31/98   ORANGE                         REPORT OF 6 IN
                                          RAINFALL...STREET
                                          FLOODING.

1006 PM    MAHOPAC                   NY   .75 INCH HAIL
05/31/98   PUTNAM

1032 PM    DANBURY                   CT   1.75 INCH HAIL
05/31/98   FAIRFIELD

1057 PM    DERBY                     CT   .88 INCH HAIL
05/31/98   NEW HAVEN

1103 PM    PEEKSKILL                 NY   WIND DAMAGE
05/31/98   WESTCHESTER                    TREES DOWN

1115 PM    WOODRIDGE                 NJ   WIND DAMAGE
05/31/98   BERGEN                         TREE BLOWN INTO HOUSE

1118 PM    POUND RIDGE               NY   WIND DAMAGE
05/31/98   WESTCHESTER                    TREE BLOWN INTO HOUSE

1127 PM    POUND RIDGE               NY   WIND DAMAGE
05/31/98   WESTCHESTER                    TREES DOWN

1135 PM    SADDLE BROOK              NJ   70 MPH TSTM GUST
05/31/98   BERGEN

1138 PM    NEWARK                    NJ   WIND DAMAGE
05/31/98   ESSEX                          TREES AND POWER LINES DOWN

Local storm report, Jun 1, 12:28 AM EDT, 2 hours 5 minutes before

PRELIMINARY LOCAL STORM REPORT...UPDATED...
NATIONAL WEATHER SERVICE NEW YORK NY
1228 AM EDT MON JUN 1 1998

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

0750 PM    PORT JERVIS               NY   1.5 INCH HAIL
05/31/98   ORANGE

0811 PM    SLATE HILL                NY   66 MPH TSTM GUST
05/31/98   ORANGE

0847 PM    HARRIMAN                  NY
05/31/98   ORANGE                         FUNNEL CLOUD 5S OF
                                          HARRIMAN TOLLS ON I-87

0855 PM    NEWBURGH STEWART ARPT     NY   TORNADO
05/31/98   ORANGE                         SPOTTER REPORT OF TORNADO
                                          TOUCHDOWN NEAR
                                          AIRPORT...NO FURTHER
                                          DETAILS

0913 PM    SLATE HILL                NY   .75 INCH HAIL
05/31/98   ORANGE

0925 PM    PORT JERVIS               NY   FLOODING
05/31/98   ORANGE                         REPORT OF 6 IN
                                          RAINFALL...STREET
                                          FLOODING.

1006 PM    MAHOPAC                   NY   .75 INCH HAIL
05/31/98   PUTNAM

1032 PM    DANBURY                   CT   1.75 INCH HAIL
05/31/98   FAIRFIELD

1057 PM    DERBY                     CT   .88 INCH HAIL
05/31/98   NEW HAVEN

1103 PM    PEEKSKILL                 NY   WIND DAMAGE
05/31/98   WESTCHESTER                    TREES DOWN

1105 PM    CLIFTON                   NJ   WIND DAMAGE
05/31/98   PASSAIC                        TREES AND POWER LINES
                                          DOWNED

1115 PM    WOODRIDGE                 NJ   WIND DAMAGE
05/31/98   BERGEN                         TREE BLOWN INTO HOUSE

1118 PM    POUND RIDGE               NY   WIND DAMAGE
05/31/98   WESTCHESTER                    TREE BLOWN INTO HOUSE

1127 PM    POUND RIDGE               NY   WIND DAMAGE
05/31/98   WESTCHESTER                    TREES DOWN

1135 PM    SADDLE BROOK              NJ   70 MPH TSTM GUST
05/31/98   BERGEN

1138 PM    NEWARK                    NJ   WIND DAMAGE
05/31/98   ESSEX                          TREES AND POWER LINES@ DOWN

...UPDATE TO ADD CLIFTON/PASSAIC CO REPORT...

Local storm report, Jun 1, 12:44 AM EDT, 1 hour 49 minutes before

PRELIMINARY LOCAL STORM REPORT...UPDATE #2...
NATIONAL WEATHER SERVICE NEW YORK NY
1244 AM EDT MON JUN 1 1998

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

0750 PM    PORT JERVIS               NY   1.5 INCH HAIL
05/31/98   ORANGE

0811 PM    SLATE HILL                NY   66 MPH TSTM GUST
05/31/98   ORANGE

0847 PM    HARRIMAN                  NY
05/31/98   ORANGE                         FUNNEL CLOUD 5S OF
                                          HARRIMAN TOLLS ON I-87

0855 PM    NEWBURGH STEWART ARPT     NY   TORNADO
05/31/98   ORANGE                         SPOTTER REPORT OF TORNADO
                                          TOUCHDOWN NEAR
                                          AIRPORT...NO FURTHER
                                          DETAILS

0913 PM    SLATE HILL                NY   .75 INCH HAIL
05/31/98   ORANGE

0925 PM    PORT JERVIS               NY   FLOODING
05/31/98   ORANGE                         REPORT OF 6 IN
                                          RAINFALL...STREET
                                          FLOODING.

1006 PM    MAHOPAC                   NY   .75 INCH HAIL
05/31/98   PUTNAM

1032 PM    DANBURY                   CT   1.75 INCH HAIL
05/31/98   FAIRFIELD

1057 PM    DERBY                     CT   .88 INCH HAIL
05/31/98   NEW HAVEN

1103 PM    PEEKSKILL                 NY   WIND DAMAGE
05/31/98   WESTCHESTER                    TREES DOWN

1105 PM    CLIFTON                   NJ   WIND DAMAGE
05/31/98   PASSAIC                        TREES AND POWER LINES
                                          DOWNED

1115 PM    WOODRIDGE                 NJ   WIND DAMAGE
05/31/98   BERGEN                         TREE BLOWN INTO HOUSE

1118 PM    POUND RIDGE               NY   WIND DAMAGE
05/31/98   WESTCHESTER                    TREE BLOWN INTO HOUSE

1127 PM    POUND RIDGE               NY   WIND DAMAGE
05/31/98   WESTCHESTER                    TREES DOWN

1135 PM    SADDLE BROOK              NJ   70 MPH TSTM GUST
05/31/98   BERGEN

1137 PM    NANUET                    NY   WIND DAMAGE
05/31/98   ROCKLAND                       TREE DOWN ON HOUSEX

1138 PM    NEWARK                    NJ   WIND DAMAGE
05/31/98   ESSEX                          TREES AND POWER LINES DOWN

...UPDATE TO ADD ROCKLAND CO RPT...

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 8:17 PM EDT	Tornado Warning	OKX	Orange	38 min
May 31, 8:33 PM EDT	Severe Thunderstorm Warning	OKX	Putnam	57 min
May 31, 8:47 PM EDT	Tornado Warning	OKX	Orange	58 min
May 31, 9:05 PM EDT	Tornado Warning	OKX	Westchester	65 min
May 31, 9:56 PM EDT	Tornado Warning	OKX	Orange, Putnam	59 min
May 31, 9:56 PM EDT	Tornado Warning	OKX	Rockland	59 min
May 31, 10:10 PM EDT	Severe Thunderstorm Warning	OKX	Westchester	60 min
May 31, 10:37 PM EDT	Flash Flood Warning	OKX	Orange	118 min
May 31, 10:47 PM EDT	Severe Thunderstorm Warning	OKX	Rockland	48 min
May 31, 10:47 PM EDT	Severe Thunderstorm Warning	OKX	Westchester	48 min
Jun 1, 2:03 AM EDT	Severe Thunderstorm Warning	OKX	Kings, Queens	47 min

Nearby

Severe Thunderstorm Warnings in New York, 1998 Every 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.