Alert archive / New York / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 30, NWS New York, NY

June 22, 1997Suffolk County, New York

NWS New York, NY issued this severe thunderstorm warning at Jun 22, 1997, 3:23 PM EDT for Suffolk County, New York. It was in force for 52 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 22, 1997, 3:23 PM EDT (19:23 UTC)
Expired
Jun 22, 1997, 4:15 PM EDT
In force
52 min
Issued by
NWS New York, NY
Area
Whole counties

County Suffolk County, NY

What was reported inside it

TimeReportWhereRemark
Jun 22, 3:40 PM EDTThunderstorm Wind 50Huntington, NY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 22, 2:00 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.4 hours before the alert went out and 17 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 1997-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 816 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1997-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
816 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
1009 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
61 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 221926 RRA
SVRNYC
NYC103-222015-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
323 PM EDT SUN JUN 22 1997
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 PM EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST NEW YORK
 
   ...NORTHWESTERN SUFFOLK COUNTY
 
AND THE ADJACENT COASTAL WATERS
 
NATIONAL WEATHER SERIVE DOPPLER INDICATES A SEVERE THUNDERSTORM OVER
LONG ISLAND SOUND NORTHWEST OF EATONS NECK MOVING SOUTHEAST AT 25 MPH.
THIS STORM WILL APPROACH EATONS NECK AND NORTHPORT TO NEAR CENTERREACH
BY 4 PM. THIS STORM WILL PRODUCE WIND GUSTS IN EXCESS 55 MPH.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 58 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
RILEY/HAYES
~

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 22, 10:30 AM EDT, 4 hours 53 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-221500-

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION
FOR EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY
AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
1030 AM EDT SUN JUN 22 1997

...HEAT ADVISORY IN EFFECT FOR THE NEW YORK CITY METROPOLITAN AREA
AND NORTHEASTERN NEW JERSEY...

A LARGE HIGH PRESSURE SYSTEM OVER THE WESTERN ATLANTIC WILL PROVIDE
ONE MORE DAY OF HOT...HUMID WEATHER BEFORE SOME COOLER AND DRIER AIR
ARRIVES THIS EVENING.

TEMPERATURES TODAY WILL SOAR PAST 90 AWAY FROM THE SHORE...TOPPING
OUT IN THE LOWER 90S IN MUCH OF THE NEW YORK METROPOLITAN
AREA...EVEN MID 90S IN PARTS OF NORTHEASTERN NEW JERSEY.
THIS...COMBINED WITH THE HIGH HUMIDITY...WILL PRODUCE HEAT INDICES
OF AT LEAST 105. A HEAT ADVISORY IS IN EFFECT FOR THIS AREA FOR THIS
REASON.

HOWEVER...HEAT INDICES WILL APPROACH 100 MOST ELSEWHERE AS WELL AS
READINGS TOP OUT NEAR 90. THEREFORE...PEOPLE EVERYWHERE IN THE
TRI-STATE AREA SHOULD USE APPROPRIATE CAUTION TO INCLUDE SPENDING
TIME OUT OF THE HEAT WHERE POSSIBLE...DRINKING PLENTY OF FLUIDS...
TAKING BREAKS AND CHECKING ON THE ELDERLY AND THE VERY YOUNG.

THE SOUTH SHORES WILL PROVIDE RESPITE FROM THE HEAT AS THE SOUTHWEST
FLOW HOLDS TEMPERATURES IN THE 80S THERE.

THUNDERSTORMS WILL FORM ALONG THE LEADING EDGE OF THE COOLER AIR...A
COLD FRONT...APPROACHING FROM THE WEST. THIS FRONT WILL ACT ON THE
HOT...HUMID AIR IN PLACE TO PRODUCE THUNDERSTORMS THAT CAN CONTAIN
HEAVY DOWNPOURS AND GUSTY WINDS. THESE SCATTERED STORMS WILL
FORM/ENTER THE TRI-STATE REGION FROM THE WEST LATER THIS
AFTERNOON...THEN PROGRESS EAST.

THE THUNDERSTORM THREAT WILL END TOWARD SUNDOWN WEST...NEAR SUNDOWN
NEAR THE COAST AS THE COLD FRONT CROSSES THE REGION.
THIS FRONT WILL BRING CLEAR...SLIGHTLY COOLER AND...MORE
IMPORTANTLY...LESS HUMID WEATHER TO THE ENTIRE TRI-STATE REGION
TONIGHT. TEMPERATURES WILL DROP WELL DOWN INTO THE 60S OUTSIDE THE
METROPOLITAN AREA...AND TO AROUND 70 IN THE CITY.

THIS WILL SET US UP FOR SUNSHINE AND LOW HUMIDITY FOR
MONDAY...ALTHOUGH TEMPERATURES WILL CLIMB WELL INTO THE 80S TO AROUND
90.

TEMPERATURES AND HUMIDITY LEVELS WILL GRADUALLY INCREASE AGAIN
TUESDAY AND WEDNESDAY. BOTH DAYS SHOULD ALSO BRING SUNSHINE...
ALTHOUGH A SHOWER OR THUNDERSTORM CAN OCCUR SOMETIME TUESDAY IN
RESPONSE TO THE ONSET OF THE HIGHER HUMIDITY.

WOOLDRIDGE
Special weather statement, Jun 22, 10:40 AM EDT, 4 hours 43 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-221500-

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION
FOR EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY
AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
1030 AM EDT SUN JUN 22 1997

...HEAT ADVISORY IN EFFECT FOR THE NEW YORK CITY METROPOLITAN AREA
AND NORTHEASTERN NEW JERSEY...

A LARGE HIGH PRESSURE SYSTEM OVER THE WESTERN ATLANTIC WILL PROVIDE
ONE MORE DAY OF HOT...HUMID WEATHER BEFORE SOME COOLER AND DRIER AIR
ARRIVES THIS EVENING.

TEMPERATURES TODAY WILL SOAR PAST 90 AWAY FROM THE SHORE...TOPPING
OUT IN THE LOWER 90S IN MUCH OF THE NEW YORK METROPOLITAN
AREA...EVEN MID 90S IN PARTS OF NORTHEASTERN NEW JERSEY.
THIS...COMBINED WITH THE HIGH HUMIDITY...WILL PRODUCE HEAT INDICES
OF AT LEAST 105. A HEAT ADVISORY IS IN EFFECT FOR THIS AREA FOR THIS
REASON.

HOWEVER...HEAT INDICES WILL APPROACH 100 MOST ELSEWHERE AS WELL AS
READINGS TOP OUT NEAR 90. THEREFORE...PEOPLE EVERYWHERE IN THE
TRI-STATE AREA SHOULD USE APPROPRIATE CAUTION TO INCLUDE SPENDING
TIME OUT OF THE HEAT WHERE POSSIBLE...DRINKING PLENTY OF FLUIDS...
TAKING BREAKS AND CHECKING ON THE ELDERLY AND THE VERY YOUNG.

THE SOUTH SHORES WILL PROVIDE RESPITE FROM THE HEAT AS THE SOUTHWEST
FLOW HOLDS TEMPERATURES IN THE 80S THERE.

THUNDERSTORMS WILL FORM ALONG THE LEADING EDGE OF THE COOLER AIR...A
COLD FRONT...APPROACHING FROM THE WEST. THIS FRONT WILL ACT ON THE
HOT...HUMID AIR IN PLACE TO PRODUCE THUNDERSTORMS THAT CAN CONTAIN
HEAVY DOWNPOURS AND GUSTY WINDS. THESE SCATTERED STORMS WILL
FORM/ENTER THE TRI-STATE REGION FROM THE WEST LATER THIS
AFTERNOON...THEN PROGRESS EAST.

THE THUNDERSTORM THREAT WILL END TOWARD SUNDOWN WEST...NEAR SUNDOWN
NEAR THE COAST AS THE COLD FRONT CROSSES THE REGION.
THIS FRONT WILL BRING CLEAR...SLIGHTLY COOLER AND...MORE
IMPORTANTLY...LESS HUMID WEATHER TO THE ENTIRE TRI-STATE REGION
TONIGHT. TEMPERATURES WILL DROP WELL DOWN INTO THE 60S OUTSIDE THE
METROPOLITAN AREA...AND TO AROUND 70 IN THE CITY.

THIS WILL SET US UP FOR SUNSHINE AND LOW HUMIDITY FOR
MONDAY...ALTHOUGH TEMPERATURES WILL CLIMB WELL INTO THE 80S TO AROUND
90.

TEMPERATURES AND HUMIDITY LEVELS WILL GRADUALLY INCREASE AGAIN
TUESDAY AND WEDNESDAY. BOTH DAYS SHOULD ALSO BRING SUNSHINE...
ALTHOUGH A SHOWER OR THUNDERSTORM CAN OCCUR SOMETIME TUESDAY IN
RESPONSE TO THE ONSET OF THE HIGHER HUMIDITY.

WOOLDRIDGE
Special weather statement, Jun 22, 3:19 PM EDT, 4 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-232300-

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION
FOR EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY
AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
320 PM EDT SUN JUN 22 1997

...SEVERE THUNDERSTORM WATCH FOR THE TRI-STATE REGION TIL 7 PM...

THE HEAT ADVISORY HAS BEEN CANCELLED DUE TO THE ARRIVAL OF THE
SHOWERS AND THUNDERSTORMS.

THE LEADING EDGE OF COOLER AND DRIER AIR...A COLD FRONT WAS IN
CENTRAL NEW YORK AND WAS TRACKING TO THE EAST. WITH THE HOT AND HUMID
AIR IN PLACE ACROSS THE REGION...THUNDERSTORMS AND SHOWERS HAD FORMED
ALONG THE FRONT THIS AFTERNOON.

THESE THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE STRONG
WINDS...TORRENTIAL DOWNPOURS AND HAIL. THE THREAT OF THUNDERSTORMS
WILL DIMINISH WITH THE SETTING SUN.

THE COLD FRONT WILL MOVE THROUGH OUR REGION BETWEEN 5 PM AND 8 PM.
AFTER THE COLD FRONTAL PASSAGE THE WIND WILL BECOME NORTHWEST AND
DRIER AND COOLER AIR WILL BEGIN TO MOVE IN. THE LESS HUMID AIR WILL
REMAIN IN PLACE FOR MONDAY...BUT BY TUESDAY...HIGH PRESSURE OFF THE
ATLANTIC COAST WILL BEGIN PUMPING MORE HUMID AIR INTO THE REGION.

OUR REGION COULD EXPERIENCE A FEW SHOWERS AS THE WArRM FRONT GOES
THROUGH TUESDAY NIGHT.

CARE SHOULD BE TAKEN DURING A THUNDERSTORM. REMEMBER THE MOST
DANGEROUS THING ASSOCIATED WITH A THUNDERSTORM IS ITS LIGHTNING.

WOOLDRIDGE
Special weather statement, Jun 22, 3:20 PM EDT, 3 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-232300-

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION
FOR EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY
AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
320 PM EDT SUN JUN 22 1997

...SEVERE THUNDERSTORM WATCH FOR THE TRI-STATE REGION TIL 7 PM...

THE HEAT ADVISORY HAS BEEN CANCELLED DUE TO THE ARRIVAL OF THE
SHOWERS AND THUNDERSTORMS.

THE LEADING EDGE OF COOLER AND DRIER AIR...A COLD FRONT WAS IN
CENTRAL NEW YORK AND WAS TRACKING TO THE EAST. WITH THE HOT AND HUMID
AIR IN PLACE ACROSS THE REGION...THUNDERSTORMS AND SHOWERS HAD FORMED
ALONG THE FRONT THIS AFTERNOON.

THESE THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE STRONG
WINDS...TORRENTIAL DOWNPOURS AND HAIL. THE THREAT OF THUNDERSTORMS
WILL DIMINISH WITH THE SETTING SUN.

THE COLD FRONT WILL MOVE THROUGH OUR REGION BETWEEN 5 PM AND 8 PM.
AFTER THE COLD FRONTAL PASSAGE THE WIND WILL BECOME NORTHWEST AND
DRIER AND COOLER AIR WILL BEGIN TO MOVE IN. THE LESS HUMID AIR WILL
REMAIN IN PLACE FOR MONDAY...BUT BY TUESDAY...HIGH PRESSURE OFF THE
ATLANTIC COAST WILL BEGIN PUMPING MORE HUMID AIR INTO THE REGION.

OUR REGION COULD EXPERIENCE A FEW SHOWERS AS THE WARM FRONT GOES
THROUGH TUESDAY NIGHT.

CARE SHOULD BE TAKEN DURING A THUNDERSTORM. REMEMBER THE MOST
DANGEROUS THING ASSOCIATED WITH A THUNDERSTORM IS ITS LIGHTNING.

WOOLDRIDGE

Nearby

Severe Thunderstorm Warnings in New York, 1997Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.