Alert archive / New York / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 21, NWS New York, NY

June 10, 2008Orange County, Rockland County, New York; Passaic County, New Jersey

NWS New York, NY issued this severe thunderstorm warning at Jun 10, 2008, 8:17 PM EDT for Orange County, Rockland County, New York; Passaic County, New Jersey. It was in force for 43 min. 4 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: Jun 10, 2008, 8:17 PM EDT (00:17 UTC)
Expired: Jun 10, 2008, 9:00 PM EDT
In force: 43 min
Issued by: NWS New York, NY
Area: Storm-based polygon

Counties Passaic County, NJ, Orange County, NY, Rockland County, NY

The radar

The Brookhaven radar (KOKX), 121 km from the middle of the area, began a volume at 00:19 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
Jun 10, 8:25 PM EDT	TSTM WND DMG	West Milford, NJ	TREE DOWN ACROSS RIDGE ROAD BY AMBULANCE CORPS BUILDING
Jun 10, 8:33 PM EDT	TSTM WND DMG	Ringwood, NJ	DOWNED WIRES
Jun 10, 8:44 PM EDT	TSTM WND DMG	West Milford, NJ	TREE DOWN ACROSS ROAD ON RT 23 NORTH OF GERMANTOWN ROAD
Jun 10, 9:00 PM EDT	TSTM WND GST 58	Newburgh, NY	MEASURED WIND GUST OF 58 MPH AT NEWBURGH INTERNATIONAL AIRPORT ASOS

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.

Issued	Product	Office	Lasted
Jun 10, 5:47 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.3 hours before the alert went out and 121 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: 447 J/kg
Mixed-layer CIN: -263 J/kg
Mixed-layer LCL: 1846 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 51 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 
WUUS51 KOKX 110017
SVROKX
NJC031-NYC071-087-110100-
/O.NEW.KOKX.SV.W.0021.080611T0017Z-080611T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE UPTON NY
817 PM EDT TUE JUN 10 2008

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PASSAIC COUNTY IN NORTHEAST NEW JERSEY...
  ROCKLAND COUNTY IN SOUTHEAST NEW YORK...
  EASTERN ORANGE COUNTY IN SOUTHEAST NEW YORK...

* UNTIL 900 PM EDT...

* AT 814 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE
  HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS
  WERE LOCATED ALONG A LINE EXTENDING FROM 13 MILES NORTHWEST OF WEST
  MILFORD TO 10 MILES WEST OF WEST MILFORD TO 21 MILES SOUTHWEST OF
  BLOOMINGDALE...OR ALONG A LINE EXTENDING FROM 11 MILES SOUTHEAST OF
  PORT JERVIS TO 8 MILES NORTHEAST OF HOPATCONG TO
  SUCCASUNNA-KENVIL...AND MOVING NORTHEAST AT 45 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WEST MILFORD BY 835 PM...
  BLOOMINGDALE AND GREENWOOD LAKE BY 840 PM...
  RINGWOOD BY 850 PM...
  SLOATSBURG BY 855 PM...
  WEST POINT...NEW WINDSOR AND NEWBURGH BY 900 PM...

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM WEDNESDAY
MORNING FOR SOUTHERN CONNECTICUT AND NORTHEAST NEW JERSEY AND
SOUTHEAST NEW YORK.

LAT...LON 4120 7438 4133 7405 4159 7402 4159 7396
      4156 7396 4154 7398 4151 7399 4145 7399
      4138 7396 4132 7398 4119 7409 4100 7438
      4101 7443 4104 7444 4102 7449 4103 7450
      4108 7451
TIME...MOT...LOC 0017Z 231DEG 39KT 4126 7455 4108 7454
          4090 7465

$$

MALOIT

1 follow-up statement

000 
WWUS51 KOKX 110037
SVSOKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE UPTON NY
837 PM EDT TUE JUN 10 2008

NJC031-NYC071-087-110100-
/O.CON.KOKX.SV.W.0021.000000T0000Z-080611T0100Z/
ORANGE NY-ROCKLAND NY-PASSAIC NJ-
837 PM EDT TUE JUN 10 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR PASSAIC...ROCKLAND AND EASTERN ORANGE COUNTIES...

AT 832 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY
SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 10 MILES NORTHWEST OF
GREENWOOD LAKE TO WEST MILFORD TO 9 MILES SOUTHWEST OF WEST
MILFORD...OR ALONG A LINE EXTENDING FROM GOSHEN TO WEST MILFORD TO 9
MILES NORTHEAST OF DOVER...MOVING NORTHEAST AT 45 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  TUXEDO PARK BY 845 PM...
  RINGWOOD BY 850 PM...
  SLOATSBURG BY 855 PM...
  WEST POINT...FIRTHCLIFFE...NEW WINDSOR AND CORNWALL ON HUDSON BY
  900 PM...

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM WEDNESDAY
MORNING FOR SOUTHERN CONNECTICUT AND NORTHEAST NEW JERSEY AND
SOUTHEAST NEW YORK.

LAT...LON 4120 7438 4133 7405 4159 7402 4159 7396
      4156 7396 4154 7398 4151 7399 4145 7399
      4138 7396 4132 7398 4119 7409 4100 7438
      4101 7443 4104 7444 4102 7449 4103 7450
      4108 7451
TIME...MOT...LOC 0037Z 231DEG 39KT 4138 7432 4114 7429
          4102 7442

$$

MALOIT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 9:01 PM EDT	Special Marine Warning	OKX		45 min
Jun 10, 9:16 PM EDT	Severe Thunderstorm Warning	OKX	Bronx, New York, Rockland, Westchester	29 min
Jun 10, 9:29 PM EDT	Special Marine Warning	OKX		91 min
Jun 10, 9:44 PM EDT	Severe Thunderstorm Warning	OKX	Bronx, Nassau, Queens, Westchester	46 min
Jun 10, 10:09 PM EDT	Special Marine Warning	OKX		96 min
Jun 10, 8:56 PM EDT	Severe Thunderstorm Warning	OKX	Bergen, Essex, Hudson, Passaic, Union	34 min
Jun 10, 9:24 PM EDT	Severe Thunderstorm Warning	OKX	Bergen, Essex, Hudson, Passaic	21 min

Nearby

Severe Thunderstorm Warnings in New York, 2008 Severe Thunderstorm Warnings in New Jersey, 2008 Every severe thunderstorm warning in 2008

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.