Alert archive / New York / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 4, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jun 19, 1990, 5:24 PM EDT for Westchester County, New York. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- Jun 19, 1990, 5:24 PM EDT (21:24 UTC)
- Expired
- Jun 19, 1990, 6:00 PM EDT
- In force
- 36 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Westchester 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
Albany, NY (KALB), launched 12:00Z, 9.4 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
- 306 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 767 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KNYC 192124
SVRNYC
NYC119-192200-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
524 PM EDT TUE JUN 19 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE STATE OF NEW YORK
EASTERN WESTCHESTER
WESTCHESTER COUNTY EMERGENCY MANAGEMENT REPORTED DOWNED TREES
AND LARGE HAIL ASSOCIATED WITH A SEVERE THUNDERSTORM JUST
NORTH OF KATONAH NEAR INTERSTATE 684 IN WESTCHESTER COUNTY.
NATIONAL WEATHER SERVICE RADARS INDICATED THIS STORM WAS
HEADING EASTWARD AT 30 MILES AN HOUR HEADING TOWARD CONNECTICUT.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.
GIGIWhat 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 19, 2:42 PM EDT, 2 hours 42 minutes before
NJZ001-005-007-015-191915- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW YORK NY 230 PM EDT TUE JUN 19 1990 ...DO NOT USE AFTER 4 PM... VERY STRONG THUNDERSTORMS WERE OVER SOUTHEASTERN NEW YORK..IN ORANGE COUNTY...WEST OF WARWICK...THIS THUNDERSTORM IS MOVING EAST AT 35 MILES AN HOUR AND WILL BE ENTERING NORTHERN ROCKLAND AND WESTCHESTER..AND SOUTHERN PUTNAM COUNTIES WITHIN THE NEXT HOUR...ADDITIONAL THUNDERSTORMS OVER CENTRAL NEW JERSEY/SOUTHEASTERN PENNSYLVANIA..NEAR PHILADELPHIA AND CAMDEN...THIS THUNDERSTORM IS HEADING EAST AT 35 MILES AN HOUR AND WILL BE ENTERING OCEAN.. AND MONMOUTH COUNTIES WITHIN THE NEXT HOUR... SHOWER WITH THUNDERSHOWERS WERE WIDELY ZSCATTERED OVER EASTERN PENNSYLVANIA... WESTERN NEW JERSEY...SOUTHEASTERN NEW YORK...AND EASTERN LONG ISLAND... SHOWERS/THUNDERSHOWERS WERE MOVING EAST AT 25 MILES AN HOUR... END/PJJ
Special weather statement, Jun 19, 3:23 PM EDT, 2 hours 1 minute before
NJZ001-005-007-015-NYZ014>017-192030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 325 PM EDT TUE JUN 19 1990 ...STRONG THUNDERSTORMS OVER ROCKLAND COUNTY AND WILL PASS THROUGH NORTHERN WESTCHESTER DURING THE NEXT HOUR... NATIONAL WEATHER SERVICE RADAR INDICATED THAT A VERY STRONG THUNDERSTORM ACCOMPANIED BY FREQUENT CLOUD TO GROUND LIGHTNING...STRONG GUSTY WINDS AND SMALL HAIL WAS OVER THE NORTHERN PART OF ROCKLAND COUNTY. THIS STORM WAS MOVING EASTWARD AT 35 MILES AN HOUR AND WILL PASS THROUGH REMAINING PARTS OF ROCKLAND COUNTY BY 345 PM AND MOVE THROUGH NORTHERN WESTCHESTER AND SOUTHERN PUTNAM COUNTIES BETWEEN 345 AND 430 PM. ALL PERSONS SHOULD STAY ALERT FOR THREATENING WEATHER AND SEEK SHELTER INDOORS OR WITHIN A CAR IMMEDIATELY. THUNDERSTORMS WEST OF ROCKLAND AND WESTCHESTER COUNTIES HAVE HAD A HISTORY OF PRODUCING FREQUENT LIGHTNING...WIND GUSTS AROUND 40 MPH AND SMALL HAIL THIS AFTERNOON. OTHER STRONG uTHUNDERSTORMS WERE GROWING OVER HUNTERDON...MORRIS AND SOMERSET COUNTIES OF CENTRAL NEW JERSEY. GIGI
Special weather statement, Jun 19, 3:49 PM EDT, 1 hour 35 minutes before
NJZ001-005-007-015-NYZ014>017-192030- SPECIAL WEATHER STATEMENT AND RADAR STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 335 PM EDT TUE JUN 19 1990 ...DO NOT USE AFTER 5 PM... A LINE OF VERY STRONG THUNDERSTORMS WITH STRONG GUSTY WINDS..LIGHTNING.. AND POSSIBLE HAIL WERE OVER WEST CENTRAL NEW JERSEY...BETWEEN TRENTON AND CAMDEN...THESE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 40 MILES AN HOUR AND WILL BE MOVING ACROSS MIDDLESEX..MONMOUTH..AND OCEAN COUNTIES DURING THE NEXT HOUR... A MODERATE THUNDERSTORM WAS OVER SOUTHEASTERN PENNSYLVANIA..NEAR NEW PALTZ... THUNDERSTORM WAS MOVING EAST AT 35 MILES AN HOUR... SHOWERS WITH POSSIBLE THUNDERSHOWERS WERE SCATTERED OVER EASTERN PENNSYLVANIA...AND SOUTHEASTERN NEW YORK. SHOWERS/THUNDERSHOWERS WERE MOVING EAST AT 30 MILES AN HOUR. END/PJJ
Special weather statement, Jun 19, 3:50 PM EDT, 1 hour 34 minutes before
NJZ001-005-007-015-NYZ014>017-192100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 350 PM EDT TUE JUN 19 1990 ...VERY STRONG THUNDERSTORMS MOVING THROUGH NORTHERN NEW JERSEY... NATIONAL WEATHER SERVICE RADAR WAS FOLLOWING A STRONG LINE OF THUNDERSTORMS ACCOMPANIED BY FREQUENT CLOUD TO GROUND LIGHTNING... STRONG GUSTY WINDS AND POSSIBLE SMALL HAIL WHICH EXTENDED FROM DOVER IN MORRIS COUNTY SOUTHWARD TO PRINCETON IN MERCER COUNTY. THIS LINE WAS MOVING EASTWARD AT 35 MILES AN HOUR AND WILL PASS THROUGH REMAINING PARTS OF MORRIS AND SOMERSET COUNTIES BY ABOUT 4 PM AND THEN PASS THROUGH HUDSON...ESSEX...UNION...MIDDLESEX AND MONMOUTH COUNTIES BETWEEN 4 AND 5 PM. IF THIS LINE HOLDS TOGETHER...IT MAY PASS THROUGH NEW YORK CITY AND THE NEARBY COASTAL WATERS AFTER 5 PM. ALL PERSONS SHOULD STAY ALERT FOR THREATENING WEATHER AND SEEK SHELTER IMMEDIATELY. MARINERS SHOULD STAY ALERT TO CHANGING WEATHER CONDITIONS. THESE STORMS WILL ALSO PRODUCE LOCALLY HEAVY DOWNPOURS IN A SHORT PERIOD OF TIME...SO COMMUTERS SHOULD EXERCISE CAUTION WHEN DRIVING THROUGH FLOOD PRONE AREAS. GIGI
Special weather statement, Jun 19, 4:37 PM EDT, 47 minutes before
CTZ001-004-005-192200- SPECIAL WEATHER STATEMENT FOR CONNECTICUT NATIONAL WEATHER SERVICE BRIDGEPORT CT 436 PM EDT MON JUN 18 1990 AT 435 PM A LINE OF THUNDERSTORMS THAT WERE LOCATED IN NEW YORK STATE AND WERE ABOUT TO ENTER NORTHERN FAIRFIELD COUNTY AROUND THE DANBURY... NEWTOWN...SHERMAN AND NEW FAIRFIELD. PERSONS IN AND AROUND THIS AREA COULD EXPECT THUNDERSTORMS WITH HIGH WIND...HAIL AND DOWNPOURS. ALSO ANYONE ON OR IN CANDLEWOOD LAKE SHOULD BE ON THE LOOKOUT AND BE READY TO HEAD TO SHORE. HAZZARD
Special weather statement, Jun 19, 4:44 PM EDT, 40 minutes before
NJZ001-005-007-015-NYZ014>017-192030- SPECIAL WEATHER STATEMENT AND RADAR STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 430 PM EDT TUE JUN 19 1990 ...DO NOT USE AFTER 6 PM... A LINE OF VERY STRONG THUNDERSTORMS EXTENDED FROM SOUTHERN NEW HAMPSHIRE DOWN ACROSS EXTREME WESTERN MASSACHUSETTS...THE LOWER HUDSON VALLEY... ROCKLAND AND WESTCHESTER...NORTHEASTERN NEW JERSEY...AND DOWN ACROSS THE REST OF NEW JERSEY THROUGH THE CENTRAL PART. THE THUNDERSTORMS WERE MOVING EAST AT ABOUT 30 MILES AN HOUR. A PARTICULARLY STRONG THUNDERSTORM WAS NEAR NEWARK. THIS ONE WAS MOVING EAST WITH THE OTHERS AND WILL MOVE ACROSS NEW YORK CITY WITHIN THE NEXT HALF HOUR. OTHER VERY STRONG THUNDERSTORMS WERE LOCATED NEAR PERTH AMBOY...JUST NORTH OF TETERBORO...JUST WEST OF NYACK IN ROCKLAND COUNTY...AND JUST NORTH OF WHITE PLAINS. EY
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.