Alert archive / New York / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 9, NWS New York, NY

May 24, 1999Kings County, Queens County, New York

NWS New York, NY issued this severe thunderstorm warning at May 24, 1999, 10:58 AM EDT for Kings County, Queens County, New York. It was in force for 62 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 24, 1999, 10:58 AM EDT (14:58 UTC)
Expired
May 24, 1999, 12:00 PM EDT
In force
62 min
Issued by
NWS New York, NY
Area
Whole counties

Counties Kings County, NY, Queens County, NY

The watch it was issued in

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

IssuedProductOfficeLasted
May 24, 9:05 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 3.0 hours before the alert went out and 90 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 1999-05-24Temperature 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 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 1999-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
677 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
135 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.

999 
WUUS1 KNYC 241457 RRA
SVRNYC
NYC005-047-061-081-119-241600-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1058 AM EDT MON MAY 24 1999

THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN WESTCHESTER COUNTY IN SOUTHEASTERN NEW YORK...
  NEW YORK COUNTY IN SOUTHEASTERN NEW YORK...
  BRONX COUNTY IN SOUTHEASTERN NEW YORK...
  KINGS COUNTY IN SOUTHEASTERN NEW YORK...
  QUEENS COUNTY IN SOUTHEASTERN NEW YORK...

* UNTIL NOON EDT...

* AN AREA OF SEVERE THUNDERSTORMS OVER ESSEX COUNTY OF NEW JERSEY
  WILL MOVE ACROSS THE REGION BETWEEN 11 AM AND NOON. THESE STORMS
  WILL PRODUCE HEAVY DOWNPOURS...GUSTY WINDS UP TO 50 KT AND
  POSSIBLE HAIL.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS

.END/PW

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 24, 5:15 AM EDT, 5 hours 43 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-241600-

SPECIAL WEATHER STATEMENT
AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW
YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
515 AM EDT MON MAY 24 1999

...A DENSE FOG ADVISORY IS IN EFFECT THIS MORNING FOR LONG
ISLAND...COASTAL CONNECTICUT...AND SOUTHERN WESTCHESTER
COUNTY...NY...

...POTENTIAL FOR SEVERE THUNDERSTORMS TODAY...

AREAS OF DENSE FOG WILL RESULT IN REDUCED DRIVING VISIBILITIES THIS
MORNING. CONDITIONS SHOULD IMPROVE BY 9 AM OR SO.

A COLD FRONT IN THE OHIO VALLEY WILL APPROACH THE LOCAL AREA TODAY...
BRINGING SHOWERS AND THUNDERSTORMS TO THE LOCAL AREA BY MIDDAY. SOME
THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS...HEAVY RAIN AND
POSSIBLE HAIL. THE MOST LIKELY PERIOD FOR THUNDERSTORMS WILL BE FROM
AROUND NOON UNTIL THE LATE AFTERNOON. THE THUNDERSTORMS WILL END
FROM WEST TO EAST LATER TODAY.

THE COLD FRONT WILL PUSH OFFSHORE THIS EVENING...RESULTING IN
FAIR WEATHER ON TUESDAY.

KEEP ABREAST OF THIS DEVELOPING WEATHER SITUATION BY LISTENING TO
NOAA WEATHER RADIO OR MEDIA OUTLETS. THE LATEST WEATHER INFORMATION
MAY ALSO BE OBTAINED FROM OUR HOMEPAGE ON THE INTERNET AT
WWW.NWS.BNL.GOV

EKH
Special weather statement, May 24, 5:15 AM EDT, 5 hours 43 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-241600-

SPECIAL WEATHER STATEMENT
AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW
YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
515 AM EDT MON MAY 24 1999

...A DENSE FOG ADVISORY IS IN EFFECT THIS MORNING FOR LONG
ISLAND...COASTAL CONNECTICUT...AND SOUTHERN WESTCHESTER
COUNTY...NY...

...POTENTIAL FOR SEVERE THUNDERSTORMS TODAY...

AREAS OF DENSE FOG WILL RESULT IN REDUCED DRIVING VISIBILITIES THIS
MORNING. CONDITIONS SHOULD IMPROVE BY 9 AM OR SO.

A COLD FRONT IN THE OHIO VALLEY WILL APPROACH THE LOCAL AREA TODAY...
BRINGING SHOWERS AND THUNDERSTORMS TO THE LOCAL AREA BY MIDDAY. SOME
THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS...HEAVY RAIN AND
POSSIBLE HAIL. THE MOST LIKELY PERIOD FOR THUNDERSTORMS WILL BE FROM
AROUND NOON UNTIL THE LATE AFTERNOON. THE THUNDERSTORMS WILL END
FROM WEST TO EAST LATER TODAY.

THE COLD FRONT WILL PUSH OFFSHORE THIS EVENING...RESULTING IN
FAIR WEATHER ON TUESDAY.

KEEP ABREAST OF THIS DEVELOPING WEATHER SITUATION BY LISTENING TO
NOAA WEATHER RADIO OR MEDIA OUTLETS. THE LATEST WEATHER INFORMATION
MAY ALSO BE OBTAINED FROM OUR HOMEPAGE ON THE INTERNET AT
WWW.NWS.BNL.GOV

EKH
Special weather statement, May 24, 9:15 AM EDT, 1 hour 43 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-241900-

SPECIAL WEATHER STATEMENT
AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW
YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
915 AM EDT MON MAY 24 1999

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 3 PM FOR SOUTHEASTERN
NEW YORK...NORTHEASTERN NEW JERSEY AND FAIRFIELD AND NEW HAVEN
COUNTIES OF CONNECTICUT...

SHOWERS AND THUNDERSTORMS ARE FAST APPROACHING THE AREA.
SOME THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS...HEAVY RAIN AND
POSSIBLE HAIL. THE MOST LIKELY PERIOD FOR SEVERE THUNDERSTORMS WILL
BE FROM LATE THIS MORNING UNTIL ABOUT MID AFTERNOON. THE
THUNDERSTORMS WILL END FROM WEST TO EAST LATER TODAY.

THE COLD FRONT WILL PUSH OFFSHORE THIS EVENING...RESULTING IN
FAIR WEATHER ON TUESDAY.

KEEP ABREAST OF THIS DEVELOPING WEATHER SITUATION BY LISTENING TO
NOAA WEATHER RADIO OR MEDIA OUTLETS. THE LATEST WEATHER INFORMATION
MAY ALSO BE OBTAINED FROM OUR HOMEPAGE ON THE INTERNET AT
WWW.NWS.BNL.GOV

WICHROWSKI
Special weather statement, May 24, 9:15 AM EDT, 1 hour 43 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-241900-

SPECIAL WEATHER STATEMENT
AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW
YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
915 AM EDT MON MAY 24 1999

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 3 PM FOR SOUTHEASTERN
NEW YORK...NORTHEASTERN NEW JERSEY AND FAIRFIELD AND NEW HAVEN
COUNTIES OF CONNECTICUT...

SHOWERS AND THUNDERSTORMS ARE FAST APPROACHING THE AREA.
SOME THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS...HEAVY RAIN AND
POSSIBLE HAIL. THE MOST LIKELY PERIOD FOR SEVERE THUNDERSTORMS WILL
BE FROM LATE THIS MORNING UNTIL ABOUT MID AFTERNOON. THE
THUNDERSTORMS WILL END FROM WEST TO EAST LATER TODAY.

THE COLD FRONT WILL PUSH OFFSHORE THIS EVENING...RESULTING IN
FAIR WEATHER ON TUESDAY.

KEEP ABREAST OF THIS DEVELOPING WEATHER SITUATION BY LISTENING TO
NOAA WEATHER RADIO OR MEDIA OUTLETS. THE LATEST WEATHER INFORMATION
MAY ALSO BE OBTAINED FROM OUR HOMEPAGE ON THE INTERNET AT
WWW.NWS.BNL.GOV

WICHROWSKI

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 10:34 AM EDTSevere Thunderstorm WarningOKXRichmond61 min
May 24, 10:58 AM EDTSevere Thunderstorm WarningOKXWestchester62 min
May 24, 10:58 AM EDTSevere Thunderstorm WarningOKXBronx, New York62 min

Nearby

Severe Thunderstorm Warnings in New York, 1999Every severe thunderstorm warning in 1999

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.