Alert archive / New York / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 8, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jun 29, 1990, 8:15 PM EDT for Rockland County, Westchester County, New York. It was in force for 75 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 29, 1990, 8:15 PM EDT (00:15 UTC)
- Expired
- Jun 29, 1990, 9:30 PM EDT
- In force
- 75 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
Counties Rockland County, NY, Westchester 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 | Remark |
|---|---|---|---|
| Jun 29, 9:00 PM EDT | Thunderstorm Wind 0 | Westchester, 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
Albany, NY (KALB), launched 00:00Z, 0.3 hours before the alert went out and 171 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KNYC 300019
SVRNYC
NYC087-119-300130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
815 PM EDT FRI JUN 29 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 930 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE STATE OF NEW YORK
ROCKLAND...WESTCHESTER
RADAR IN NEW YORK CITY AS OF 8.15 PM EDT WAS FOLLOWING A LINE OF
SEVERE THUNDERSTORMS MOVING SOUTHEASTWARD ACROSS ORANGE COUNTY
AT ABOUT 30 MILES AN HOUR. THESE STORMS WILL BE MOVING THROUGH
ROCKLAND AND WESTCHESTER COUNTIES DURING THE NEXT HOUR AND A HALF.
SEVERE THUNDERSTORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
IF THREATENING CONDITIONS ARE SPOTTED BY PERSONS IN THE ABOVE COUNTIES
YOU ARE ADVISED TO MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS CAN FLOOD ROADWAYS QUICKLY AND
CLOUD TO GROUND LIGHTNING IS ALWAYS DANGEROUS.
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD AS PUDDLES CAN BE
DEEP AND DANGEROUS.
GRANTWhat 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 29, 6:37 PM EDT, 1 hour 38 minutes before
NJZ001-005-007-015-NYZ014>017-292330- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW YORK NY 635 PM EDT FRI JUN 29 1990 ...DO NOT USE AFTER 8 PM... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NEW YORK CITY..NORTHERN NEW JERSEY..SOUTHEASTERN NEW YORK AND LONG ISLAND UNTIL 11 PM TONIGHT. A BAND OF THUNDERSTORMS EXTENDED FROM JUST SOUTHWEST OF CHATHAM NEW YORK WESTWARD INTO CENTRAL DELAWARE COUNTY. IN THE PAST HOUR THESE STORMS HAVE WEAKENED. THESE THUNDERSTORMS WERE PART OF AN AREA OF SHOWERS AND THUNDERSTORMS THAT EXTENDED FROM SOUTHERN VERMONT ACROSS NEW YORK AND INTO EXTREME NORTHEASTERN PENNSYLVANIA. MOVEMENT WAS EASTERLY AT 35 MILES AN HOUR. A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINFGS. JG/FM
Special weather statement, Jun 29, 7:39 PM EDT, 36 minutes before
NJZ001-005-007-015-NYZ014>017-300030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW YORK NY 740 PM EDT FRI JUN 29 1990 ...DO NOT USE AFTER 9 PM... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NEW YORK CITY..NORTHERN NEW JERSEY..SOUTHEASTERN NEW YORK AND LONG ISLAND UNTIL 11 PM TONIGHT. THUNDERSTORMS EXTENDED ACROSS SULLIVAN COUNTY IN NEW YORK AND NORTHWESTERN CONNECTICUT. THESE THUNDERSTORMS WERE PART OF AN AREA OF SHOWERS AND THUNDERSTORMS THAT EXTENDED FROM SOUTHERN VERMONT ACROSS NEW YORK BETWEEN POUGHKEEPSIE AND ALBANY AND INTO EASTERN PENNSYLVANIA. MOVEMENT WAS EASTSOUTHEAST AT 30 MILES AN HOUR. A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARxE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. JG/FM
Special weather statement, Jun 29, 8:04 PM EDT, 11 minutes before
CTZALL-300200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BRIDGEPORT CT 800 PM EDT FRI JUN 29 1990 ......A LINE OF STRONG THUNDERSTORMS WILL MOVE INTO NORTHERN FAIRFIELD COUNTY WITHIN THE HOUR AND MOVE INTO NEW HAVEN COUNTY SHORTLY THEREAFTER. NATIONAL WEATHER SERVICE RADAR SHOWS A LINE OF STRONG THUNDERSTORMS EXTENDING SOUTHWEST FROM HARTFORD TO DANBURY AND IS MOVING SOUTHEAST AT 30 MPH. THIS LINE OF THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS ...LOCALLY HEAVY DOWNPOURS...FREQUENT LIGHTNING AND POSSIBLY HAIL. PERSONS LIVING IN THE FAIRFIELD AND NEW HAVEN COUNTIES SHOULD REMAIN ON THE ALERT FOR THREATENING WEATHER FOR THE NEXT SEVERAL HOURS AND SEEK SHELTER UNTIL THIS LINE OF STRONG THUNDERSTORMS CLEARS YOUR AREA. WALKER
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 9:15 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 105 min |
| Jun 29, 9:23 PM EDT | Severe Thunderstorm Warning | OKX | Bronx, New York | 97 min |
| Jun 29, 9:23 PM EDT | Severe Thunderstorm Warning | OKX | Richmond | 97 min |
| Jun 29, 9:23 PM EDT | Severe Thunderstorm Warning | OKX | Kings, Nassau, Queens | 97 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.