Alert archive / New York / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 48, NWS New York, NY

July 7, 1997Queens County, New York

NWS New York, NY issued this severe thunderstorm warning at Jul 7, 1997, 5:41 PM EDT for Queens County, New York. It was in force for 49 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, 5:41 PM EDT (21:41 UTC)
Expired: Jul 7, 1997, 6:30 PM EDT
In force: 49 min
Issued by: NWS New York, NY
Area: Whole counties

County Queens County, NY

The radar

The Brookhaven radar (KOKX), 85 km from the middle of the area, began a volume at 21:43 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, 6:05 PM EDT	Thunderstorm Wind 57	Jfk Airport, 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, 9.7 hours before the alert went out and 85 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.

000 
TTAA00 KNYC 072143 RRA
SVRNYC
NYC081-072230-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
541 PM EDT MON JUL 7 1997
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST NEW YORK
 
   ...QUEENS COUNTY
 
AND THE ADJACENT COASTAL WATERS
 
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A POSSIBLE SEVERE
THUNDERSTORM AT 540 PM ALONG THE BORDER OF BROOKLYN AND QUEENS IN
THE VICINITY OF THE LONG ISLAND EXPRESSWAY. THIS THUNDERSTORM MAY
PRODUCE DIME SIZE HAIL OR GREATER...STRONG WINDS...FREQUENT LIGHTNING
...AND TORRENTIAL RAIN.
 
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
DON'T 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, 4 hours 54 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, 4 hours 53 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

Local storm report, Jul 7, 4:31 PM EDT, 1 hour 10 minutes before

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

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

0145 PM    CARMEL                    NY   WIND DAMAGE
07/07/97   PUTNAM                         POWER LINES/TREES DOWN

Local storm report, Jul 7, 4:32 PM EDT, 1 hour 9 minutes before

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

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

0145 PM    CARMEL                    NY   WIND DAMAGE
07/07/97   PUTNAM                         POWER LINES/TREES DOWN

Special weather statement, Jul 7, 5:30 PM EDT, 11 minutes before

NYZ068-070-CTZ005>012-072230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
530 PM EDT MON JUL 7 1997

...THE SEVERE THUNDERSTORM WATCH IS CANCELLED AS OF 525 PM FOR
FAIRFIELD...NEW HAVEN...MIDDLESEX AND NEW LONDON COUNTIES OF SOUTHERN
CONNECTICUT....

WHILE SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS THE AREA
THROUGH THIS EVENING THEY WILL REMAIN BELOW SEVERE LIMITS.

RILEY

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, 1:05 PM EDT	Severe Thunderstorm Warning	OKX	Putnam	55 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, 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.