Alert archive / New York / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 2, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jun 18, 1990, 3:58 PM EDT for Westchester County, New York. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Jun 18, 1990, 3:58 PM EDT (19:58 UTC)
- Expired
- Jun 18, 1990, 4:45 PM EDT
- In force
- 47 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, 8.0 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
- 18 J/kg
- Mixed-layer CIN
- -301 J/kg
- Mixed-layer LCL
- 824 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KNYC 181958
SVRNYC
NYC119-182045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
358 PM EDT MON JUN 18 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 445 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE STATE OF NEW YORK
WESTCHESTER
RADAR INDICATED A SEVERE THUNDERSTORM MOVING EASTSOUTHEASTWARD
THROUGH WESTCHESTER COUNTY AT 40 MILES AN HOUR. POWER LINES WERE
REPORTED DOWNED NEAR OSSINING.
IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.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, Jun 18, 11:00 AM EDT, 4 hours 58 minutes before
NJZ001-005-007-015-NYZ014>017-161900- SPECIAL WEATHER STATEMENT AND MAP DISCUSSION FOR NORTHERN NEW JERSEY AND EXTREME SOUTHEASTERN NEW YORK NATIONAL WEATHER SERVICE NEW YORK NY 1030 AM EDT MON JUN 18 1990 AT 1000 AM A LINE OF STRONG THUNDERSTORMS EXTENDED FROM MONTREAL CANADA SOUTHWEST TO SYRACUSE NEW YORK TO WESTERN PENNSYSLVANIA NEAR BRADFORD. MANY OF THESE STORMS CONTAIN STRONG GUSTY WINDS...FREQUENT LIGHTNING...AND HEAVY DOWNPOURS. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 2PM FOR MUCH OF CENTRAL NEW YORK AND PENNSYLVANIA. WIND GUSTS TO 50 MPH WERE REPORTED IN PITTSBURGH AND TO 40 MPH IN ROCHESTER AS THESE STORMS MOVED THROUGH THIS MORNING. THESE STORMS ARE FORMING AHEAD OF A COLD FRONT CURRENTLY MOVING THROUGH THE OHIO VALLEY. THE LINE OF THUNDERSTORMS WILL CONTINUE TO MOVE TO THE EAST AT 40 TO 50 MPH AND SHOULD APPROACH OUR REGION LATE THIS AFTERNOON AND THIS EVENING. AS THE WEATHER FRONT CONTINUES TO TRACK EASTWARD THE THUNDERSTORMS WILL CONTINUE TO PUSH ACROSS THE ENTIRE REGION DURING TONIGHT AND POSSIBLY INTO TUESDAY. AS THIS INITIAL COLD FRONT MOVES OFF THE COAST EARLY ON TUESDAY WE EXPECT ANOTHER COLD FRONT TO MOVE IN BEHIND IT AND POSSIBLY TRIGGER OFF A FEW MORE THUNDERSTORMS. WINDS SHOULD SHIFT INTO THE WEST AND THEN INTO THE NORTHWEST DURING TUESDAY AND BRING DOWN COOLER AND DRIER AIR FOR TUESDAY NIGHT AND WEDNESDAY. IN THE MEANTIME...SHOULD THREATENING WEATHER APPROACH TAKE SHELTER IMMEDIATELY. THE NEXT STATEMENT WILL BE ISSUED EARLY THIS AFTERNOON AS THE THUNDERSTORMS MOVE CLOSER TO OUR AREA. JSW
Special weather statement, Jun 18, 2:30 PM EDT, 1 hour 28 minutes before
NJZ001-005-007-015-NYZ014>017-162000- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY EXTREME SOUTHEASTERN NEW YORK NORTHERN NEW JERSEY AND LONG ISLAND NATIONAL WEATHER SERVICE NEW YORK NY 230 PM EDT MON JUN 18 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHEASTERN NEW YORK NORTHERN NEW JERSEY AND LONG ISLAND UNTIL 9 PM. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS OVER THE AREA. AT 230 A LINE OF THUNDERSTORMS EXTENDED FROM ALBANY NEW YORK TO TOBYHANA PENNSYLVANIA AND WERE MOVING TO THE EAST AT 40 MPH. THESE STORMS SHOULD MOVE INTO NORTHWESTERN NEW JERSEY WITHIN THE NEXT HOUR. THESE THUNDERSTORMS HAVE PRODUCED DAMAGING WINDS...FREQUENT CLOUD TO GROUND LIGHTNING...HAIL AND VERY HEAVY DOWNPOURS ACROSS MUCH OF WESTERN AND CENTRAL NEW YORK AND PENNSYLVANIA. SEVERE THUNDERSTORMS CAN PRODUCE LARGE HAIL AND DAMAGING WINDS AS WELL AS FREQUENT LIGHTNING AND HEAVY DOWNPOURS. IF YOU SEE THREATENING WEATHER APPROACHING...PLEASE TAKE SHELTER IMMEDIATELY. WALDSTREICHER
Special weather statement, Jun 18, 3:41 PM EDT, 17 minutes before
CTZ001-004-005-182100- SPECIAL WEATHER STATEMENT FOR CONNECTICUT NATIONAL WEATHER SERVICE BRIDGEPORT CT 341 PM EDT MON JUN 18 1990 ...SEVERE THUNDERSTORM WATCH FOR CONNECTICUT UNTIL 9 PM... AT 340 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
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.