Alert archive / New York / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 69, NWS New York, NY

July 9, 1996Putnam County, Westchester County, New York

NWS New York, NY issued this severe thunderstorm warning at Jul 9, 1996, 6:22 PM EDT for Putnam County, Westchester County, New York. It was in force for 53 min. 2 reports 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
Jul 9, 1996, 6:22 PM EDT (22:22 UTC)
Expired
Jul 9, 1996, 7:15 PM EDT
In force
53 min
Issued by
NWS New York, NY
Area
Whole counties

Counties Putnam County, NY, Westchester County, NY

The radar

The Brookhaven radar (KOKX), 88 km from the middle of the area, began a volume at 22:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jul 9, 6:45 PM EDTThunderstorm Wind 50North Salem, NY
Jul 9, 6:45 PM EDTThunderstorm Wind 50Peach Lake, 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.4 hours before the alert went out and 88 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 1996-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 210 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 1996-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
210 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
526 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

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, Jul 9, 3:14 PM EDT, 3 hours 8 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-100200-

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR
EXTREME SOUTHEASTERN NEW YORK...
NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
313 PM EDT TUE JUL 9 1996

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 8:00 THIS EVENING FOR
ALL OF NORTHEAST NEW JERSEY AND SOUTHEASTERN NEW YORK INCLUDING NEW
YORK CITY...

...SUFFOLK COUNTY NEW YORK AND SOUTHERN CONNECTICUT ARE NOT INCLUDED
IN THIS SEVERE THUNDERSTORM WATCH...

ON THE WEATHER MAP...A COLD FRONT CURVING FROM CENTRAL NEW YORK
STATE INTO THE TENNESSEE VALLEY WILL CONTINUE TO APPROACH THE REGION.
AHEAD OF THIS FRONT...SHOWERS AND THUNDERSTORMS ARE DEVELOPING. SOME
OF THESE THUNDERSTORMS MAY BE SEVERE RESULTING IN STRONG WINDS...
LARGE HAIL...FREQUENT LIGHTNING AND HEAVY RAIN. RESIDENTS WHO ARE
NOT UNDER THE SEVERE THUNDERSTORM WATCH MAY STILL EXPERIENCE SOME
STRONG THUNDERSTORMS THIS EVENING.

SUNSHINE ACROSS THE REGION EARLIER TODAY HAS HELPED TO DESTABILIZE
THE ATMOSPHERE...IN ADDITION SEVERAL OTHER FACTORS ARE COMING INTO
PLAY THAT COULD LEAD TO THE DEVELOPMENT OF ROUGH AND TUMBLE WEATHER.
IF YOU HAVE OUTDOOR OR TRAVEL PLANS FOR THIS AFTERNOON...LISTEN TO
NOAA WEATHER RADIO FREQUENTLY TO MONITOR THE DEVELOPMENT OF THE
THUNDERSTORMS.

PORTIONS OF NORTHEAST NEW JERSEY AND SOUTHEASTERN NEW YORK RECEIVED
ANYWHERE FROM 1 TO AS MUCH AS 3 INCHES OF RAIN DURING MONDAY/S
THUNDERSTORM ACTIVITY. ADDITIONAL HEAVY RAIN FROM THUNDERSTORMS
COULD CAUSE ADDITIONAL FLOODING. IF YOU LIVE NEAR A QUICK REACTING
CREEK OR RIVER...STAY TUNED TO THE LATEST FORECASTS ON THE RAIN.

OTHER AREAS MAY EXPERIENCE LOCALIZED FLOODING OF ROADS...LOW LYING
AREAS AND AREAS OF POOR DRAINAGE AS THE THUNDERSTORMS MOVE THROUGH.

THE COLD FRONT WILL MOVE ACROSS THE TRI-STATE REGION DURING THE
EARLY MORNING HOURS EFFECTIVELY ENDING THE THREAT OF SEVERE WEATHER
BUT LEFTOVER SHOWERS WILL CONTINUE FOR A WHILE. HIGH PRESSURE WILL
THEN BUILD INTO THE AREA BRINGING CLEARING SKIES...DRIER AIR WITH
LOWER HUMIDITIES.

WEDNESDAY WILL FEATURE A MIX OF SUN AND CLOUDS. TEMPERATURES WILL BE
JUST A FEW DEGREES SHY OF WHERE THEY SHOULD BE FOR THIS TIME OF THE
YEAR.

GOUDSWARD

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 8, 10:16 PM EDTFlash Flood WarningOKXRockland3 hr
Jul 8, 11:56 PM EDTSevere Thunderstorm WarningOKXSuffolk49 min
Jul 9, 4:51 PM EDTSevere Thunderstorm WarningOKXOrange54 min
Jul 9, 6:32 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region58 min
Jul 9, 6:46 PM EDTTornado WarningOKXGreater Bridgeport Planning Region29 min
Jul 9, 6:59 PM EDTSevere Thunderstorm WarningOKXNaugatuck Valley Planning Region61 min
Jul 9, 7:06 PM EDTTornado WarningOKXNaugatuck Valley Planning Region69 min
Jul 9, 7:36 PM EDTSevere Thunderstorm WarningOKXLower Connecticut River Valley Planning Region54 min

Nearby

Severe Thunderstorm Warnings in New York, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.