Alert archive / New York / Tornado Warnings in 2011

Tornado Warning 2, NWS New York, NY

July 29, 2011Orange County, New York

NWS New York, NY issued this tornado warning at Jul 29, 2011, 4:54 PM EDT for Orange County, New York. It was in force for 36 min. 5 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 29, 2011, 4:54 PM EDT (20:54 UTC)
Expired
Jul 29, 2011, 5:30 PM EDT
In force
36 min
Issued by
NWS New York, NY
Area
Storm-based polygon

County Orange County, NY

The radar

The Albany radar (KENX), 123 km from the middle of the area, began a volume at 20:54 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 29, 4:59 PM EDTTORNADOGoshen, NYEF-1 TORNADO CONFIRMED BY NWS SURVEY TEAM. WINDS ESTIMATED BETWEEN 90-100 MPH.
Jul 29, 5:00 PM EDTTSTM WND DMGGoshen, NYENTIRE ROOF OFF OF HOUSE IN GOSHEN.
Jul 29, 5:05 PM EDTTSTM WND DMGGoshen, NYTREES AND LARGE LIMBS DOWN WITH POWER OUTAGES IN GOSHEN.
Jul 29, 5:20 PM EDTHAIL 1.25Blooming Grove, NYHALF DOLLAR SIZE HAIL IN BLOOMING GROVE.
Jul 29, 5:25 PM EDTHAIL 1Blooming Grove, NYQUARTER SIZE HAIL IN BLOOMING GROVE.

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 29, 2:40 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.9 hours before the alert went out and 138 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, Albany, NY at 12:00Z on 2011-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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, Albany, NY at 12:00Z on 2011-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.193958Sfc1 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
695 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
45 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.

518 
WFUS51 KOKX 292054
TOROKX
NYC071-292130-
/O.NEW.KOKX.TO.W.0002.110729T2054Z-110729T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
454 PM EDT FRI JUL 29 2011

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN ORANGE COUNTY IN SOUTHEAST NEW YORK...

* UNTIL 530 PM EDT...

* AT 453 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  MIDDLETOWN...MOVING EAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  GOSHEN...MONTGOMERY AND NEW WINDSOR

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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

&&

LAT...LON 4158 7441 4159 7438 4149 7399 4130 7407
      4143 7448
TIME...MOT...LOC 2054Z 290DEG 25KT 4148 7433

$$

JM
1 follow-up statement
657 
WWUS51 KOKX 292112
SVSOKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
512 PM EDT FRI JUL 29 2011

NYC071-292130-
/O.CON.KOKX.TO.W.0002.000000T0000Z-110729T2130Z/
ORANGE NY-
512 PM EDT FRI JUL 29 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR CENTRAL
ORANGE COUNTY...

AT 506 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR GOSHEN...MOVING
SOUTHEAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WASHINGTONVILLE...KIRYAS JOEL...VAILS GATE...HIGHLAND MILLS...NEW
WINDSOR...CENTRAL VALLEY AND FIRTHCLIFFE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 2 
INCH DIAMETER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM FRIDAY EVENING FOR
NORTHEAST NEW JERSEY AND SOUTHEAST NEW YORK. A SEVERE THUNDERSTORM
WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM FRIDAY EVENING FOR
NORTHEAST NEW JERSEY AND SOUTHEAST NEW YORK.

&&

LAT...LON 4142 7443 4155 7426 4149 7400 4132 7406
      4130 7407 4136 7424
TIME...MOT...LOC 2111Z 300DEG 25KT 4141 7424

$$

JM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 4:01 AM EDTSmall Craft AdvisoryOKX19 hr
Jul 29, 4:19 PM EDTSpecial Weather StatementOKXOrange41 min
Jul 29, 4:32 PM EDTSevere Thunderstorm WarningOKXOrange43 min
Jul 29, 5:22 PM EDTTornado WarningOKXOrange, Rockland, Westchester38 min
Jul 29, 5:34 PM EDTSevere Thunderstorm WarningOKXOrange41 min
Jul 29, 5:57 PM EDTTornado WarningOKXRockland, Westchester33 min
Jul 29, 6:09 PM EDTSpecial Marine WarningOKX54 min
Jul 29, 6:16 PM EDTSevere Thunderstorm WarningOKXOrange44 min
Jul 29, 6:26 PM EDTTornado WarningOKXWestchester34 min
Jul 29, 6:42 PM EDTSevere Thunderstorm WarningOKXNassau, Suffolk48 min
Jul 29, 6:49 PM EDTSevere Thunderstorm WarningOKXOrange, Rockland, Westchester27 min
Jul 29, 7:13 PM EDTSevere Thunderstorm WarningOKXKings, New York, Queens32 min
Jul 29, 7:32 PM EDTSpecial Weather StatementOKXNassau43 min
Jul 29, 7:39 PM EDTSpecial Marine WarningOKX36 min
Jul 29, 7:47 PM EDTSpecial Weather StatementOKXQueens28 min

Nearby

Tornado Warnings in New York, 2011Every tornado warning in 2011Tornadoes in 2011

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.