Alert archive / New York / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 66, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Sep 2, 1990, 9:40 PM EDT for Suffolk County, New York. It was in force for 50 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
- Sep 2, 1990, 9:40 PM EDT (01:40 UTC)
- Expired
- Sep 2, 1990, 10:30 PM EDT
- In force
- 50 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Suffolk 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 |
|---|---|---|---|
| Sep 2, 10:00 PM EDT | Hail 0.75 | Suffolk, 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, 1.7 hours before the alert went out and 216 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
- 391 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 1535 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Sep 2, 4:34 PM EDT, 5 hours 6 minutes before
NJ001-NJ005-NJ007-NJ015-NYZ014>017-020200- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NORTHERN NEW JERSEY AND EXTREME SOUTHEASTERN NEW YORK NATIONAL WEATHER SERVICE NEW YORK NY 430 PM EDT SUN SEP 2 1990 ...DO NOT USE AFTER 6 PM EDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NEW JERSEY EXCEPT EXTREME SOUTH...SOUTHEASTERN NEW YORK AND LONG ISLAND AND ADJACENT COASTAL WATERS... PORTIONS OF SOUTHEASTERN AND EAST-CENTRAL PENNSYLVANIA...AND CONNECTICUT THIS SUNDAY AFTERNOON AND EVENING UNTIL 1000 PM EDT. LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORMS WINDS ARE POSSIBLE IN THESE AREAS. RADAR SHOWED HEAVY THUNDERSTORMS AND SHOWERS OVER SOUTHEASTERN NEW YORK OVER THE COUNTIES OF DELAWARE AND SULLIVAN...NORTHEASTERN PENNSYLVANIA OVER THE COUNTIES OF WAYNE LACKAWANNA AND WYOMING. THESE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR. NC
Special weather statement, Sep 2, 7:30 PM EDT, 2 hours 10 minutes before
NJ001-NJ005-NJ007-NJ015-NYZ014>017-020200- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NORTHERN NEW JERSEY AND EXTREME SOUTHEASTERN NEW YORK NATIONAL WEATHER SERVICE NEW YORK NY 730 PM EDT SUN SEP 2 1990 ...DO NOT USE AFTER 9 PM EDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NEW JERSEY EXCEPT EXTREME SOUTH...SOUTHEASTERN NEW YORK AND LONG ISLAND AND ADJACENT COASTAL WATERS...CONNECTICUT... PORTIONS OF SOUTHEASTERN AND EAST-CENTRAL PENNSYLVANIA...AND CONNECTICUT THIS SUNDAY AFTERNOON AND EVENING UNTIL 1000 PM EDT. LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORMS WINDS ARE POSSIBLE IN THESE AREAS. RADAR SHOWED HEAVY THUNDERSTORMS AND SHOWERS OVER SOUTHEASTERN NEW YORK OVER THE COUNTIES OF DUTCHESS AND COLUMBIA...EASTERN PENNSYLVANIA OVER THE COUNTIES OF NORTHAMTON LEHIGH CARBON SCHUYLKILL AND BERKS...WESTERN CONNECTICUT OVER LITCHFIELD...AND WESTERN NEW JERSEY OVER WARREN AND HUNTERDON. THESE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTH AT 25 MILES AN HOUR. NC
Special weather statement, Sep 2, 8:29 PM EDT, 1 hour 11 minutes before
NJ001-NJ005-NJ007-NJ015-NYZ014>017-020200- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NORTHERN NEW JERSEY AND EXTREME SOUTHEASTERN NEW YORK NATIONAL WEATHER SERVICE NEW YORK NY 830 PM EDT SUN SEP 2 1990 ...DO NOT USE AFTER 10 PM EDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NEW JERSEY EXCEPT EXTREME SOUTH...SOUTHEASTERN NEW YORK AND LONG ISLAND AND ADJACENT COASTAL WATERS... PORTIONS OF SOUTHEASTERN AND EAST-CENTRAL PENNSYLVANIA...AND CONNECTICUT THIS SUNDAY AFTERNOON AND EVENING UNTIL 1000 PM EDT. LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORMS WINDS ARE POSSIBLE IN THESE AREAS. RADAR SHOWED HEAVY THUNDERSTORMS AND SHOWERS OVER SOUTHEASTERN NEW YORK OVER THE HUDSON VALLEY...EASTERN PENNSYLVANIA OVER THE COUNTIES OF MONTGOMERY CHESTER LEBANON SCHUYLKILL AND BERKS...WESTERN CONNECTICUT OVER LITCHFIELD AND HARTFORD...NORTHERN NEW JERSEY OVER UNION ESSEX MORRIS SOMERSET BERGEN AND MIDDLESEX. THESE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR. NC
Special weather statement, Sep 2, 9:28 PM EDT, 12 minutes before
NJ001-NJ005-NJ007-NJ015-NYZ014>017-020200- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NORTHERN NEW JERSEY AND EXTREME SOUTHEASTERN NEW YORK NATIONAL WEATHER SERVICE NEW YORK NY 930 PM EDT SUN SEP 2 1990 ...DO NOT USE AFTER 11 PM EDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NEW JERSEY EXCEPT EXTREME SOUTH...SOUTHEASTERN NEW YORK AND LONG ISLAND AND ADJACENT COASTAL WATERS... PORTIONS OF SOUTHEASTERN AND EAST-CENTRAL PENNSYLVANIA...AND CONNECTICUT THIS SUNDAY AFTERNOON AND EVENING UNTIL 1000 PM EDT. LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORMS WINDS ARE POSSIBLE IN THESE AREAS. RADAR SHOWED HEAVY THUNDERSTORMS AND SHOWERS OVER THE METROPOLITAN AREA...SOUTHEASTERN NEW YORK OVER THE HUDSON VALLEY...SOUTHEASTERN PENNSYLVANIA OVER THE COUNTIES OF LANCASTER CHESTER DELAWARE AND MONTGOMERY...CONNECTICUT OVER HARTFORD. THESE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR. NC
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.