Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 53, NWS New York, NY

July 26, 2012Bergen County, Essex County, Passaic County, New Jersey; Putnam County, Rockland County, Westchester County, New York; Greater Bridgeport Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at Jul 26, 2012, 6:14 PM EDT for Bergen County, Essex County, Passaic County, New Jersey; Putnam County, Rockland County, Westchester County, New York; Greater Bridgeport Planning Region, Connecticut. It was in force for 61 min. 11 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 26, 2012, 6:14 PM EDT (22:14 UTC)
Expired
Jul 26, 2012, 7:15 PM EDT
In force
61 min
Issued by
NWS New York, NY
Area
Storm-based polygon

Counties Greater Bridgeport Planning Region, CT, Bergen County, NJ, Essex County, NJ, Passaic County, NJ, Putnam County, NY, Rockland County, NY, Westchester County, NY

The radar

The Brookhaven radar (KOKX), 93 km from the middle of the area, began a volume at 22:18 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 26, 6:54 PM EDTTSTM WND DMGBrewster, NYSCATTERED TREES DOWN IN BREWSTER.
Jul 26, 6:59 PM EDTTSTM WND GST 601 Wsw Sparta, NY
Jul 26, 7:00 PM EDTTSTM WND DMGMahopac, NYMULTIPLE TREES DOWN ACROSS MAHOPAC. SPECIFICALLY ONE TREE DOWN ON THE CORNER OF RICHARD AND TANYA LANES.
Jul 26, 7:00 PM EDTHAIL 1Carmel, NY
Jul 26, 7:07 PM EDTTSTM WND DMGFranklin Lakes, NJ1 FOOT DIAMETER TREE DOWN ON PULIS AVE
Jul 26, 7:10 PM EDTTSTM WND DMG1 Sw Ridgefield, CTTREE DOWN ON HOME ON WEST LN
Jul 26, 7:14 PM EDTTSTM WND DMG1 Ese North Castle, NYTREE DOWN ON WIRES ALONG BANKSVILLE RD
Jul 26, 7:15 PM EDTTSTM WND DMGLake Carmel, NYMULTIPLE TREES DOWN AROUND LAKE CARMEL
Jul 26, 7:15 PM EDTTSTM WND DMGSomers, NYMULTIPLE TREES AND WIRES DOWN AROUND TOWN
Jul 26, 7:20 PM EDTTSTM WND DMGGreenwich, CTTREE DOWN ON ROUND HILL ROAD
Jul 26, 7:20 PM EDTTSTM WND DMGPurdys, NYTREE DOWN ON CAR ON ROUTE 22

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 26, 3:57 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.2 hours before the alert went out and 93 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 2012-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1459 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
160 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.

067 
WUUS51 KOKX 262214
SVROKX
CTC001-NJC003-013-031-NYC079-087-119-262315-
/O.NEW.KOKX.SV.W.0053.120726T2214Z-120726T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
614 PM EDT THU JUL 26 2012

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FAIRFIELD COUNTY IN SOUTHERN CONNECTICUT...
  PASSAIC COUNTY IN NORTHEAST NEW JERSEY...
  WESTCHESTER COUNTY IN SOUTHEAST NEW YORK...
  BERGEN COUNTY IN NORTHEAST NEW JERSEY...
  ESSEX COUNTY IN NORTHEAST NEW JERSEY...
  ROCKLAND COUNTY IN SOUTHEAST NEW YORK...
  PUTNAM COUNTY IN SOUTHEAST NEW YORK...

* UNTIL 715 PM EDT...

* AT 608 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS
  WERE LOCATED OVER NORTHWEST ORANGE COUNTY AND EXTENDING INTO 
  NORTHERN NEW JERSEY AND EASTERN PENNSYLVANIA AND ARE MOVING 
  SOUTHEAST AT 45 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM THURSDAY
EVENING FOR SOUTHERN CONNECTICUT AND NORTHEAST NEW JERSEY AND
SOUTHEAST NEW YORK.

&&

LAT...LON 4120 7437 4114 7423 4134 7397 4149 7393
      4153 7353 4167 7351 4166 7349 4149 7344
      4130 7306 4115 7310 4100 7365 4101 7365
      4090 7378 4092 7392 4078 7415 4068 7414
      4072 7434 4097 7429 4103 7450 4109 7450
TIME...MOT...LOC 2213Z 298DEG 40KT 4158 7442 4138 7453
          4118 7491

$$

MPS
1 follow-up statement
221 
WWUS51 KOKX 262246
SVSOKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
646 PM EDT THU JUL 26 2012

CTC001-NJC003-013-031-NYC079-087-119-262315-
/O.CON.KOKX.SV.W.0053.000000T0000Z-120726T2315Z/
PUTNAM NY-ROCKLAND NY-ESSEX NJ-BERGEN NJ-WESTCHESTER NY-PASSAIC NJ-
FAIRFIELD CT-
646 PM EDT THU JUL 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR FAIRFIELD...PASSAIC...WESTCHESTER...BERGEN...ESSEX...ROCKLAND AND
PUTNAM COUNTIES...

AT 641 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS 
ARE CURRENTLY ON A LINE FROM PUTNAM COUNTY TO WESTERN PASSAIC 
COUNTY...AND ARE MOVING SOUTHEAST AT 45 MPH.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM THURSDAY
EVENING FOR SOUTHERN CONNECTICUT AND NORTHEAST NEW JERSEY AND
SOUTHEAST NEW YORK.

&&

LAT...LON 4120 7437 4114 7423 4134 7397 4149 7393
      4153 7353 4167 7351 4166 7349 4149 7344
      4130 7306 4115 7310 4100 7365 4101 7365
      4090 7378 4092 7392 4078 7415 4068 7414
      4072 7434 4097 7429 4103 7450 4109 7450
TIME...MOT...LOC 2245Z 298DEG 37KT 4145 7395 4125 7415
          4102 7458

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 7:08 AM EDTSpecial Weather StatementOKXPassaic37 min
Jul 26, 8:05 AM EDTSpecial Weather StatementOKXBergen, Passaic40 min
Jul 26, 8:47 AM EDTSpecial Weather StatementOKXBergen, Passaic58 min
Jul 26, 5:27 PM EDTSevere Thunderstorm WarningOKXPassaic93 min
Jul 26, 6:53 PM EDTSevere Thunderstorm WarningOKXHudson, Union97 min
Jul 26, 7:13 PM EDTSevere Thunderstorm WarningOKXBergen, Essex, Passaic44 min
Jul 26, 7:51 AM EDTSpecial Weather StatementOKXOrange, Putnam, Rockland, Westchester39 min
Jul 26, 6:12 PM EDTTornado WarningOKXOrange33 min
Jul 26, 6:17 PM EDTSpecial Marine WarningOKX7 min
Jul 26, 6:27 PM EDTSpecial Marine WarningOKX2 hr
Jul 26, 6:28 PM EDTSpecial Marine WarningOKX2 hr
Jul 26, 7:14 PM EDTSevere Thunderstorm WarningOKXSuffolk91 min
Jul 26, 7:18 PM EDTSpecial Marine WarningOKX117 min
Jul 26, 7:43 PM EDTSpecial Marine WarningOKX92 min
Jul 26, 6:59 PM EDTSevere Thunderstorm WarningOKXLower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region91 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2012Severe Thunderstorm Warnings in New York, 2012Severe Thunderstorm Warnings in Connecticut, 2012Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.