Alert archive / New York / Tornado Warnings in 2011
Tornado Warning 3, NWS New York, NY
NWS New York, NY issued this tornado warning at Jul 29, 2011, 5:22 PM EDT for Orange County, Rockland County, Westchester County, New York. It was in force for 38 min. 3 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, 5:22 PM EDT (21:22 UTC)
- Expired
- Jul 29, 2011, 6:00 PM EDT
- In force
- 38 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
Counties Orange County, NY, Rockland County, NY, Westchester County, NY
The radar
The Brookhaven radar (KOKX), 112 km from the middle of the area, began a volume at 21:23 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 29, 5:25 PM EDT | HAIL 1 | Blooming Grove, NY | QUARTER SIZE HAIL IN BLOOMING GROVE. |
| Jul 29, 5:57 PM EDT | FUNNEL CLOUD | Haverstraw, NY | FUNNEL CLOUD REPORTED AT RAILROAD AVENUE AND ROUTE 9W. |
| Jul 29, 5:57 PM EDT | FUNNEL CLOUD | Haverstraw, NY | FUNNEL CLOUD REPORTED AT RAILROAD AVENUE AND ROUTE 9W. |
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 |
|---|---|---|---|
| Jul 29, 2:40 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 29, 5:03 PM EDT | Tornado Watch | SPC | 3 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 9.4 hours before the alert went out and 112 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.
- Mixed-layer CAPE
- 81 J/kg
- Mixed-layer CIN
- -109 J/kg
- Mixed-layer LCL
- 569 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
066
WFUS51 KOKX 292122
TOROKX
NYC071-087-119-292200-
/O.NEW.KOKX.TO.W.0003.110729T2122Z-110729T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
522 PM EDT FRI JUL 29 2011
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* TORNADO WARNING FOR...
WESTCHESTER COUNTY IN SOUTHEAST NEW YORK...
ROCKLAND COUNTY IN SOUTHEAST NEW YORK...
EASTERN ORANGE COUNTY IN SOUTHEAST NEW YORK...
* UNTIL 600 PM EDT...
* AT 518 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR MONROE...
MOVING SOUTHEAST AT 30 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HARRIMAN...WEST POINT...POMONA...PEEKSKILL...NEW CITY AND
HAVERSTRAW
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 4145 7422 4137 7396 4133 7398 4134 7387
4131 7380 4113 7399 4134 7431
TIME...MOT...LOC 2121Z 302DEG 25KT 4135 7417
$$
JM2 follow-up statements
017
WWUS51 KOKX 292144
SVSOKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
544 PM EDT FRI JUL 29 2011
NYC071-087-119-292200-
/O.CON.KOKX.TO.W.0003.000000T0000Z-110729T2200Z/
ORANGE NY-ROCKLAND NY-WESTCHESTER NY-
544 PM EDT FRI JUL 29 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR
WESTCHESTER...ROCKLAND AND SOUTHEASTERN ORANGE COUNTIES...
AT 542 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR STONY POINT...OR
NEAR PEEKSKILL...MOVING SOUTHEAST AT 30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MOUNT
IVY...THIELLS...BUCHANAN...WEST HAVERSTRAW...NEW CITY AND HAVERSTRAW
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 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 4137 7402 4133 7398 4133 7386 4131 7380
4113 7399 4127 7418
TIME...MOT...LOC 2144Z 302DEG 25KT 4127 7399
$$
JM167
WWUS51 KOKX 292150
SVSOKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
550 PM EDT FRI JUL 29 2011
NYC071-087-119-292200-
/O.CON.KOKX.TO.W.0003.000000T0000Z-110729T2200Z/
ORANGE NY-ROCKLAND NY-WESTCHESTER NY-
550 PM EDT FRI JUL 29 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR
WESTCHESTER...ROCKLAND AND SOUTHEASTERN ORANGE COUNTIES...
AT 547 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR STONY POINT...
AND APPROACHING HAVERSTRAW...MOVING SOUTHEAST AT 35 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW
CITY
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 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 4137 7402 4133 7398 4133 7386 4131 7380
4113 7399 4127 7418
TIME...MOT...LOC 2150Z 310DEG 32KT 4121 7396
$$
JMThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 4:01 AM EDT | Small Craft Advisory | OKX | 19 hr | |
| Jul 29, 4:19 PM EDT | Special Weather Statement | OKX | Orange | 41 min |
| Jul 29, 4:32 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 43 min |
| Jul 29, 4:54 PM EDT | Tornado Warning | OKX | Orange | 36 min |
| Jul 29, 5:34 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 41 min |
| Jul 29, 5:57 PM EDT | Tornado Warning | OKX | Rockland, Westchester | 33 min |
| Jul 29, 6:09 PM EDT | Special Marine Warning | OKX | 54 min | |
| Jul 29, 6:16 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 44 min |
| Jul 29, 6:26 PM EDT | Tornado Warning | OKX | Westchester | 34 min |
| Jul 29, 6:42 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 48 min |
| Jul 29, 6:49 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Rockland, Westchester | 27 min |
| Jul 29, 7:13 PM EDT | Severe Thunderstorm Warning | OKX | Kings, New York, Queens | 32 min |
| Jul 29, 7:32 PM EDT | Special Weather Statement | OKX | Nassau | 43 min |
| Jul 29, 7:39 PM EDT | Special Marine Warning | OKX | 36 min | |
| Jul 29, 7:47 PM EDT | Special Weather Statement | OKX | Queens | 28 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.