Alert archive / New York / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 43, NWS New York, NY

July 7, 1997Putnam County, New York

NWS New York, NY issued this severe thunderstorm warning at Jul 7, 1997, 1:05 PM EDT for Putnam County, New York. It was in force for 55 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: Jul 7, 1997, 1:05 PM EDT (17:05 UTC)
Expired: Jul 7, 1997, 2:00 PM EDT
In force: 55 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 17:07 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

Time	Report	Where	Remark
Jul 7, 1:45 PM EDT	Thunderstorm Wind 50	Carmel, 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, 5.1 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 281 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 959 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

959 
WUUS1 KNYC 071708 RRA
SVRNYC
NYC079-071800-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
105 PM EDT MON JUL 7 1997
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  200 PM EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST NEW YORK
 
   ...PUTNAM COUNTY
 
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A SEVERE THUNDERSTORM
IN THE VICINITY OF FAHNESTOCK STATE PARK NEAR ROUTE 301 AND TACONIC
STATE PARKWAY. THIS STORM IS MOVING EAST AT 20 MPH TOWARDS KENT CLIFFS.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58
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 ROADS QUICKLY SO
DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
MCKILLOP

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

Local storm report, Jul 7, 12:47 PM EDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1248 PM EDT MON JUL 07 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1210 PM    UNIONVILLE                NY   WIND DAMAGE
07/07/97   ORANGE                         TREES AND WIRES DOWN

1220 PM    GOSHEN                    NY   .5 INCH HAIL
07/07/97   ORANGE

1225 PM    GOSHEN                    NY   WIND DAMAGE
07/07/97   ORANGE                         TREES AND POWERLINES DOWN

1237 PM    NEW WINDSOR               NY   WIND DAMAGE
07/07/97   ORANGE                         TREES AND POWERLBINES
                                          DOWN...PEA SIZE HAIL

1246 PM    MIDDLETOWN                NY   .5 INCH HAIL
07/07/97   ORANGE

Local storm report, Jul 7, 12:48 PM EDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1248 PM EDT MON JUL 07 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1210 PM    UNIONVILLE                NY   WIND DAMAGE
07/07/97   ORANGE                         TREES AND WIRES DOWN

1220 PM    GOSHEN                    NY   .5 INCH HAIL
07/07/97   ORANGE

1225 PM    GOSHEN                    NY   WIND DAMAGE
07/07/97   ORANGE                         TREES AND POWERLINES DOWN

1237 PM    NEW WINDSOR               NY   WIND DAMAGE
07/07/97   ORANGE                         TREES AND POWERLINES
                                          DOWN...PEA SIZE HAIL

1246 PM    MIDDLETOWN                NY   .5 INCH HAIL
07/07/97   ORANGE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 12:00 PM EDT	Severe Thunderstorm Warning	OKX	Orange	60 min
Jul 7, 2:28 PM EDT	Severe Thunderstorm Warning	OKX	Rockland	62 min
Jul 7, 2:42 PM EDT	Severe Thunderstorm Warning	OKX	Westchester	48 min
Jul 7, 5:41 PM EDT	Severe Thunderstorm Warning	OKX	Queens	49 min
Jul 7, 6:07 PM EDT	Severe Thunderstorm Warning	OKX	Nassau	53 min

Nearby

Severe Thunderstorm Warnings in New York, 1997 Every severe thunderstorm warning in 1997

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.