Alert archive / New York / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 76, NWS New York, NY

August 16, 2002Bronx County, New York County, New York; Bergen County, New Jersey

NWS New York, NY issued this severe thunderstorm warning at Aug 16, 2002, 2:34 PM EDT for Bronx County, New York County, New York; Bergen County, New Jersey. It was in force for 41 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
Aug 16, 2002, 2:34 PM EDT (18:34 UTC)
Expired
Aug 16, 2002, 3:15 PM EDT
In force
41 min
Issued by
NWS New York, NY
Area
Whole counties

Counties Bergen County, NJ, Bronx County, NY, New York County, NY

The radar

The Brookhaven radar (KOKX), 95 km from the middle of the area, began a volume at 18:38 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
Aug 16, 2:45 PM EDTThunderstorm Wind 60 EBronx, NYNew York City Office of Emergency Management reported a building collapse.
Aug 16, 3:05 PM EDTThunderstorm Wind 50 EEnglewood, NJA spotter reported that severe thunderstorm winds downed poles and wires.

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, 6.6 hours before the alert went out and 95 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 2002-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2022 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2002-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.1939Sfc1 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
2022 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1009 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KOKX 161840
SVROKX
NJC003-NYC005-061-161915-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
233 PM EDT FRI AUG 16 2002

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BERGEN COUNTY IN NORTHEAST NEW JERSEY
  BRONX COUNTY IN SOUTHEAST NEW YORK
  NEW YORK COUNTY IN SOUTHEAST NEW YORK

* UNTIL 315 PM EDT

* AT 232 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR RIDGEFIELD...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ENGLEWOOD AND BERGENFIELD AROUND 240 PM
  6 MILES SOUTHEAST OF ORADELL AND 6 MILES NORTHWEST OF EAST TREMONT
  AROUND 245 PM
  RIVERDALE AROUND 250 PM
  NORWOOD AND 6 MILES NORTHWEST OF CO-OP CITY AROUND 255 PM

SOME OTHER LOCATIONS IN THE WARNING INCLUDE FORT LEE...TETERBORO...
CENTRAL PARK...MORNINGSIDE HEIGHTS AND HARLEM.

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER.
REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS
OF 55 MPH...LARGE DAMAGING HAIL...DEADLY LIGHTNING...AND VERY HEAVY
RAIN.

$$

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN UPTON NY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM FRIDAY
EVENING FOR SOUTHERN CONNECTICUT AND SOUTHEAST NEW YORK.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 2:18 PM EDTSevere Thunderstorm WarningOKXOrange57 min
Aug 16, 2:40 PM EDTSevere Thunderstorm WarningOKXBronx, New York35 min
Aug 16, 3:17 PM EDTSevere Thunderstorm WarningOKXBronx, Kings, Queens, Westchester43 min
Aug 16, 3:24 PM EDTSpecial Marine WarningOKX66 min
Aug 16, 3:39 PM EDTFlash Flood WarningOKXBronx, New York2 hr
Aug 16, 3:54 PM EDTSevere Thunderstorm WarningOKXNassau51 min
Aug 16, 4:07 PM EDTSpecial Marine WarningOKX83 min
Aug 16, 4:17 PM EDTSevere Thunderstorm WarningOKXWestchester43 min
Aug 16, 4:31 PM EDTSevere Thunderstorm WarningOKXNassau, Queens44 min
Aug 16, 4:51 PM EDTFlash Flood WarningOKXNassau, Queens114 min

Nearby

Severe Thunderstorm Warnings in New York, 2002Severe Thunderstorm Warnings in New Jersey, 2002Every severe thunderstorm warning in 2002

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.