Alert archive / New York / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 36, NWS New York, NY

July 9, 1990Kings County, Nassau County, Queens County, New York

NWS New York, NY issued this severe thunderstorm warning at Jul 9, 1990, 4:55 PM EDT for Kings County, Nassau County, Queens County, New York. It was in force for 2 hr. 3 reports 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: Jul 9, 1990, 4:55 PM EDT (20:55 UTC)
Expired: Jul 9, 1990, 7:00 PM EDT
In force: 2 hr
Issued by: NWS New York, NY
Area: Whole counties

Counties Kings County, NY, Nassau County, NY, Queens County, NY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where
Jul 9, 5:00 PM EDT	Thunderstorm Wind 0	Kings, NY
Jul 9, 5:08 PM EDT	Thunderstorm Wind 0	Nassau, NY
Jul 9, 5:30 PM EDT	Thunderstorm Wind 0	Kings, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 8.9 hours before the alert went out and 149 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: 684 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 614 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KNYC 092058 RRA
SVRNYC
NYC005-061-047-085-081-059-103-092300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
455 PM EDT MON JUL 9 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 700 PM EDT FOR
PEOPLE IN THE FOLLOWING COUNTIES

   IN THE STATE OF NEW YORK
      ALL OF NEW YORK CITY..NASSAU..SUFFOLK

SEVERE THUNDERSTORMS WERE BEING FOLLOWED ON RADAR MOVING TO THE
EAST SOUTHEAST ACROSS NORTHERN NEW JERSEY AT 445 PM EDT. THE STORMS WILL
MOVE EAST SOUTHEAST AT 35 TO 40 MILES AN HOUR AND WILL CONTAIN STRONG
WIND GUSTS TO OVER 55 MILES AN HOUR ALONG WITH LARGE HAIL AND HEAVY
RAIN AND DANGEROUS LIGHTNING.

NUMEROUS TRESS AND POWER LINES HAVE BEEN DOWNED ALREADY ACROSS PARTS
OF NORTHERN NEW JERSEY ALONG ALONG WITH SOME VERY HEAVY
DOWNPOURS AND LOCAL FLOODING. PEA SIZE HAIL WAS REPORTED IN
BETHPAGE LONG ISLAND.

IF THREATEN CONDITIONS APPEA<R TAKE APPROPRIATE PRECAUTIONS AND
SEEK SECURE SHELTER TIL THE STORMS PASS.

TJG

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, Jul 9, 3:30 PM EDT, 1 hour 25 minutes before

SPECIAL WEATHER STATEMENT  AND  WEATHER MAP DISCUSSION FOR
NORTHERN NEW JERSEY AND EXTREME SOUTHEASTERN NEW YORK
NATIONAL WEATHER SERVICE NEW YORK NY
330 PM EDT MON JUL 9 1990

...A SEVERE THUNDERSTORM WATCH COVERS THE NORTHERN HALF OF NEW JERSEY
...AND NEW YORK CITY AND NASSAU COUNTY IN NEW YORK...TIL 10 PM...

A COLD FRONT WAS MOVING EASTSOUTHEASTWARD THROUGH CENTRAL NEW YORK AND
CENTRAL PENNSYLVANIA AT MIDAFTERNOON. THE VERY WARM HUMID AND UNSTABLE
AIRMASS IN FRONT OF THIS FRONT IS A PRIME AREA FOR THE FORMATION OF
VERY STRONG AND POSSIBLY SEVERE THUNDERSTORMS FOR THE REMAINDER OF
THIS AFTERNOON AND EARLY TONIGHT. TEMPERATURES WERE IN THE UPPER 80S
AND LOW 90S...AND HUMIDITIES WERE QUITE HIGH. AT 3 PM...A STRONG
THUNDERSTORM CELL WAS MOVING INTO CENTRAL NEW JERSEY. IN FACT...
CENTRAL NEW JERSEY COULD BE THE FOCUS OF MUCH OF THE STORM ACTIVITY
THIS AFTERNOON AND EVENING. HOWEVER...ALL AREA RESIDENTS NEED TO
REMAIN ALERT TO CHANGING WEATHER CONDITIONS THIS AFTERNOON AND
EVENING.

AFTER THE FRONT MOVES SOUTHEAST OF OUR AREA TONIGHT...WE LOOK FOR
EQUALLY WARM BUT SOMEWHAT LESS HUMID WEATHER FOR TUESDAY. CONTINUED
LOW PRESSURE IN THE UPPER PART OF THE ATMOSPHERE COULD PROVIDE A
RETURN TO SHOWER CHANCES FOR WEDNESDAY...BUT TEMPERATURES COULD EASE A
BIT BY THEN.

FURTHER STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT...SO STAY
TUNED TO NOAA WEATHER RADIO OR COMMERCIAL RADIO AND TV FOR FURTHER
WEATHER UPDATES...AS WELL AS POSSIBLE WARNINGS.

JRP

Local storm report, Jul 9, 4:13 PM EDT, 42 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
410 PM EDT MON JUL 9 1990

SEVERE WEATHER REPORT FOR MONDAY JULY 9 1990

TIME(EDT)  LOCATION      COUNTY         EVENT

405 PM   WESTERN-PART OF HUNTERDON, NJ  NUMEROUS TREES AND POWERLINES
                                        DOWN

JSW

Local storm report, Jul 9, 4:23 PM EDT, 32 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
420 PM EDT MON JUL 9 1990

SEVERE WEATHER REPORT FOR MONDAY JULY 9 1990

TIME(EDT)  LOCATION      COUNTY         EVENT

400 PM   PHILLIPSBURG    SOUTHERN        NUMEROUS TREES AND POWERLINES
                         WARREN, NJ     DOWN - HAIL OF UNKNOWN SIZE
                                        STORM STILL CONTINUING AT 420PM

JSW

Special weather statement, Jul 9, 4:26 PM EDT, 29 minutes before

CTZ004-005-092200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BRIDGEPORT CT
425 PM EDT MON JUL 9 1990

AT 420 PM EDT...RADAR INDICATED A THUNDERSTORM ENTERING WEST CENTRAL
FAIRFIELD COUNTY OF WESTERN CONNECTICUT...ABOUT 8 MILES SOUTH OF
DANBURY.

BRIEF HEAVY RAIN...GUSTY WINDS...AND SMALL HAIL MAY BE ASSOCIATED
WITH THIS THUNDERSTORM.

THE THUNDERSTORM WAS MOVING SOUTHEAST AT ABOUT 25 MILES AN HOUR.
ITS PROJECTED PATH WOULD PUT THE STORM INTO THE BRIDGEPORT/FAIRFIELD/
STRATFORD AREAS BETWEEN 500 AND 530 PM EDT.

BINGHAM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 4:55 PM EDT	Severe Thunderstorm Warning	OKX	Richmond	2 hr
Jul 9, 4:55 PM EDT	Severe Thunderstorm Warning	OKX	Bronx, New York	2 hr
Jul 9, 4:55 PM EDT	Severe Thunderstorm Warning	OKX	Suffolk	2 hr

Nearby

Severe Thunderstorm Warnings in New York, 1990 Every severe thunderstorm warning in 1990

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.