Alert archive / New York / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 34, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jul 9, 1990, 4:55 PM EDT for Richmond County, New York. It was in force for 2 hr.
The area
The counties it named.
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
County Richmond County, NY
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 8.9 hours before the alert went out and 129 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.
- 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
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.
TJGWhat 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 HUNTERDO N, NJ NUMEROUS TREES AND POWERLINES
DOWN
JSWLocal 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
JSWSpecial 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 | Bronx, New York | 2 hr |
| Jul 9, 4:55 PM EDT | Severe Thunderstorm Warning | OKX | Kings, Nassau, Queens | 2 hr |
| Jul 9, 4:55 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 2 hr |
Nearby
Severe Thunderstorm Warnings in New York, 1990Every 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; the sounding from the Mesonet's radiosonde archive.