Alert archive / New York / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 41, NWS New York, NY

July 17, 1995Putnam County, New York

NWS New York, NY issued this severe thunderstorm warning at Jul 17, 1995, 9:33 PM EDT for Putnam County, New York. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Jul 17, 1995, 9:33 PM EDT (01:33 UTC)
Expired
Jul 17, 1995, 10:30 PM EDT
In force
57 min
Issued by
NWS New York, NY
Area
Whole counties

County Putnam County, NY

The radar

The Brookhaven radar (KOKX), 97 km from the middle of the area, began a volume at 01:36 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 1.6 hours before the alert went out and 97 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 00:00Z on 1995-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 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 00:00Z on 1995-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.193958Sfc1 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
42 J/kg
Mixed-layer CIN
-181 J/kg
Mixed-layer LCL
772 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KNYC 180137 RRA
SVRNYC
NYC079-087-119-180230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
933 PM EDT MON JUL 17 1995
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST NEW YORK
 
   ...PUTNAM COUNTY...ROCKLAND COUNTY...NORTH WESTCHESTER COUNTY
 
 
THUNDERSTORMS WITH LOCALLY HEAVY RAIN AND STRONG WINDS ARE MOVING
SOUTHEAST AT ABOUT 10 MILES AND HOUR. THE THUNDERSTORMS WILL MOVE
THROUGH THE NAMED COUNTIES DURING THE NEXT HOUR.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...L<ARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 9:33 PM EDTSevere Thunderstorm WarningOKXRockland, Westchester57 min
Jul 17, 11:48 PM EDTFlash Flood WarningOKXKings, Nassau, Queens117 min
Jul 17, 11:48 PM EDTFlash Flood WarningOKXBronx, New York117 min
Jul 18, 12:02 AM EDTFlash Flood WarningOKXSuffolk118 min
Jul 18, 1:35 AM EDTFlash Flood WarningOKXKings, Queens3 hr
Jul 18, 1:35 AM EDTFlash Flood WarningOKXBronx, New York3 hr
Jul 18, 1:35 AM EDTFlash Flood WarningOKXNassau3 hr
Jul 18, 1:45 AM EDTFlash Flood WarningOKXSuffolk2 hr

Nearby

Severe Thunderstorm Warnings in New York, 1995Every severe thunderstorm warning in 1995

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; radar from the NEXRAD Level II archive.